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values | content_hash stringlengths 15 64 | content stringlengths 50 44.7k | namespace stringclasses 9
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
220c88d7-5efc-46df-ae5e-968039a6e335 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/find-matches-list-dictionary.md | unknown | f7b63f2a-c023-4ec1-987b-bb0d1347c6c3 | 4 | SemanticChunker@1.0.0 | 837d47820606f7d67f695335c7a1846217b6e6da6ffec043491d1ca30243ce1e | [Find first matching values > Find last matching index]
## Find last matching index
To find the index of the last element in the given list that satisfies the provided testing function, you will modify the original function to use `enumerate()` and the `[::-1]` slice.
```py
def find_last_index(lst, fn):
return len(... | unknown | unknown | [Find first matching values > Find last matching index]
## Find last matching index
To find the index of the last element in the given list that satisfies the provided testing function, you will modify the original function to use `enumerate()` and the `[::-1]` slice.
```py
def find_last_index(lst, fn):
return len(... | [Find first matching values > Find last matching index]
## Find last matching index
To find the index of the last element in the given list that satisfies the provided testing function, you will modify the original function to use `enumerate()` and the `[::-1]` slice.
```py
def find_last_index(lst, fn):
return len(... | code_snippets | ||
2a58526e-21f4-4c1a-9abd-8e3a113ea2f5 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/find-matches-list-dictionary.md | unknown | f7b63f2a-c023-4ec1-987b-bb0d1347c6c3 | 0 | SemanticChunker@1.0.0 | 301b5c10ae188fed34e240133f691d3bc3e4b9f04a387133e78d1a755bc204df | ---
title: Find matches in a list or dictionary
shortTitle: Find matches
language: python
tags: [list,dictionary]
cover: tree-roots
excerpt: Learn how to find the matching values, indexes or keys in a list or dictionary.
listed: false
dateModified: 2024-08-20
--- | unknown | unknown | ---
title: Find matches in a list or dictionary
shortTitle: Find matches
language: python
tags: [list,dictionary]
cover: tree-roots
excerpt: Learn how to find the matching values, indexes or keys in a list or dictionary.
listed: false
dateModified: 2024-08-20
--- | ---
title: Find matches in a list or dictionary
shortTitle: Find matches
language: python
tags: [list,dictionary]
cover: tree-roots
excerpt: Learn how to find the matching values, indexes or keys in a list or dictionary.
listed: false
dateModified: 2024-08-20
--- | code_snippets | ||
44eb5d94-2495-4313-9841-879bd4fec778 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/find-matches-list-dictionary.md | unknown | f7b63f2a-c023-4ec1-987b-bb0d1347c6c3 | 2 | SemanticChunker@1.0.0 | 52b6033d35db5c12ee5b3f644abb8536a5e724012c5417f5e8f4609322135067 | [Find first matching values > Find last matching value]
## Find last matching value
To find the value of the last element in the given list that satisfies the provided testing function, you will use the same technique as above, but you'll use the `[::-1]` slice to reverse the list before iterating over it.
```py
def... | unknown | unknown | [Find first matching values > Find last matching value]
## Find last matching value
To find the value of the last element in the given list that satisfies the provided testing function, you will use the same technique as above, but you'll use the `[::-1]` slice to reverse the list before iterating over it.
```py
def... | [Find first matching values > Find last matching value]
## Find last matching value
To find the value of the last element in the given list that satisfies the provided testing function, you will use the same technique as above, but you'll use the `[::-1]` slice to reverse the list before iterating over it.
```py
def... | code_snippets | ||
a5cce389-e791-4e42-a9a4-9434e1c1a60c | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/find-matches-list-dictionary.md | unknown | f7b63f2a-c023-4ec1-987b-bb0d1347c6c3 | 6 | SemanticChunker@1.0.0 | a6dacb862326b6cd21ef6f1dadd4849ba754ebfb0c2db95952150a15e0de2f65 | [Find first matching values > Find key of value]
## Find key of value
To find the key in the provided dictionary that has the given value, you will use `dictionary.items()` and `next()` to return the first key that has a value equal to `val`.
```py
def find_key(dict, val):
return next(key for key, value in dict.ite... | unknown | unknown | [Find first matching values > Find key of value]
## Find key of value
To find the key in the provided dictionary that has the given value, you will use `dictionary.items()` and `next()` to return the first key that has a value equal to `val`.
```py
def find_key(dict, val):
return next(key for key, value in dict.ite... | [Find first matching values > Find key of value]
## Find key of value
To find the key in the provided dictionary that has the given value, you will use `dictionary.items()` and `next()` to return the first key that has a value equal to `val`.
```py
def find_key(dict, val):
return next(key for key, value in dict.ite... | code_snippets | ||
b456f544-5fc4-4ec8-a4a3-3a93fc44f6f2 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/find-matches-list-dictionary.md | unknown | f7b63f2a-c023-4ec1-987b-bb0d1347c6c3 | 7 | SemanticChunker@1.0.0 | 9bbbf4252a66eef4865be2fb592362652059807f649dce38b20feed56a969f30 | [Find first matching values > Find keys with value]
## Find keys with value
To find all keys in the provided dictionary that have the given value, you will use `dictionary.items()`, a generator and `list()` to return all keys that have a value equal to `val`.
```py
def find_keys(dict, val):
return list(key for key,... | unknown | unknown | [Find first matching values > Find keys with value]
## Find keys with value
To find all keys in the provided dictionary that have the given value, you will use `dictionary.items()`, a generator and `list()` to return all keys that have a value equal to `val`.
```py
def find_keys(dict, val):
return list(key for key,... | [Find first matching values > Find keys with value]
## Find keys with value
To find all keys in the provided dictionary that have the given value, you will use `dictionary.items()`, a generator and `list()` to return all keys that have a value equal to `val`.
```py
def find_keys(dict, val):
return list(key for key,... | code_snippets | ||
b98ba476-73af-4481-901b-e1dbe93c33b7 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/find-matches-list-dictionary.md | unknown | f7b63f2a-c023-4ec1-987b-bb0d1347c6c3 | 3 | SemanticChunker@1.0.0 | 0bc873311e5d5855740fc1036605983306d48e4eb9238283e1975daa41b626e7 | [Find first matching values > Find first matching index]
## Find first matching index
To find the index of the first element in the given list that satisfies the provided testing function, you will modify the original function to use `enumerate()`.
```py
def find_index(lst, fn):
return next(i for i, x in enumerate(... | unknown | unknown | [Find first matching values > Find first matching index]
## Find first matching index
To find the index of the first element in the given list that satisfies the provided testing function, you will modify the original function to use `enumerate()`.
```py
def find_index(lst, fn):
return next(i for i, x in enumerate(... | [Find first matching values > Find first matching index]
## Find first matching index
To find the index of the first element in the given list that satisfies the provided testing function, you will modify the original function to use `enumerate()`.
```py
def find_index(lst, fn):
return next(i for i, x in enumerate(... | code_snippets | ||
d07292b7-39ad-4906-a481-718014734921 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/find-matches-list-dictionary.md | unknown | f7b63f2a-c023-4ec1-987b-bb0d1347c6c3 | 1 | SemanticChunker@1.0.0 | 5064535740117554d7528d98127908aaa03058f8a4b22db629634723106e41a5 | [Find first matching values]
## Find first matching values
To find the value of the first element in the given list that satisfies the provided testing function, you can use a list comprehension and `next()` to return the first element in `lst` for which `fn` returns `True`.
```py
def find(lst, fn):
return next(x f... | unknown | unknown | [Find first matching values]
## Find first matching values
To find the value of the first element in the given list that satisfies the provided testing function, you can use a list comprehension and `next()` to return the first element in `lst` for which `fn` returns `True`.
```py
def find(lst, fn):
return next(x f... | [Find first matching values]
## Find first matching values
To find the value of the first element in the given list that satisfies the provided testing function, you can use a list comprehension and `next()` to return the first element in `lst` for which `fn` returns `True`.
```py
def find(lst, fn):
return next(x f... | code_snippets | ||
dcae8f3d-1e8a-40c7-a6e3-6d9c853336e5 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/find-matches-list-dictionary.md | unknown | f7b63f2a-c023-4ec1-987b-bb0d1347c6c3 | 5 | SemanticChunker@1.0.0 | 56d9eba0f2939b67d272553f76c99f0b4b18b6f5e583aa8b21169e5f2c0767b8 | [Find first matching values > Find all matching indexes]
## Find all matching indexes
To find the indexes of all elements in the given list that satisfy the provided testing function, you will use `enumerate()` and a list comprehension to return the indexes of all elements in `lst` for which `fn` returns `True`.
```... | unknown | unknown | [Find first matching values > Find all matching indexes]
## Find all matching indexes
To find the indexes of all elements in the given list that satisfy the provided testing function, you will use `enumerate()` and a list comprehension to return the indexes of all elements in `lst` for which `fn` returns `True`.
```... | [Find first matching values > Find all matching indexes]
## Find all matching indexes
To find the indexes of all elements in the given list that satisfy the provided testing function, you will use `enumerate()` and a list comprehension to return the indexes of all elements in `lst` for which `fn` returns `True`.
```... | code_snippets | ||
1d7bd85b-6aad-475d-a700-88ab83b42d92 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/first-last-initial-head-tail.md | unknown | 3fe4a90c-e518-4faf-8866-ed9955b3ebd6 | 2 | SemanticChunker@1.0.0 | 276f267a2064636f7fab2dae57666bfe225ca840335746b660dd884b49d59564 | [Head of a list > Last element of a list]
## Last element of a list
To get the last element of a list, you can use `lst[-1]`. This will return the last element of the list, or `None` if the list is empty.
```py
def last(lst):
return lst[-1] if lst else None
last([1, 2, 3]) # 3
last([]) # None
``` | unknown | unknown | [Head of a list > Last element of a list]
## Last element of a list
To get the last element of a list, you can use `lst[-1]`. This will return the last element of the list, or `None` if the list is empty.
```py
def last(lst):
return lst[-1] if lst else None
last([1, 2, 3]) # 3
last([]) # None
``` | [Head of a list > Last element of a list]
## Last element of a list
To get the last element of a list, you can use `lst[-1]`. This will return the last element of the list, or `None` if the list is empty.
```py
def last(lst):
return lst[-1] if lst else None
last([1, 2, 3]) # 3
last([]) # None
``` | code_snippets | ||
88d8be80-3a4f-4d16-af2a-417e32c172f1 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/first-last-initial-head-tail.md | unknown | 3fe4a90c-e518-4faf-8866-ed9955b3ebd6 | 4 | SemanticChunker@1.0.0 | fecc137ec77a60c5ac0d0096168c8fe349547b500592f2df30fa410eafa153d4 | [Head of a list > Tail of a list]
## Tail of a list
To get all elements of a list except the first one (also known as the tail of the list), you can use `lst[1:]`. This will return all elements of the list except the first one, or an empty list if the list is empty.
```py
def tail(lst):
return lst[1:]
tail([1, 2, ... | unknown | unknown | [Head of a list > Tail of a list]
## Tail of a list
To get all elements of a list except the first one (also known as the tail of the list), you can use `lst[1:]`. This will return all elements of the list except the first one, or an empty list if the list is empty.
```py
def tail(lst):
return lst[1:]
tail([1, 2, ... | [Head of a list > Tail of a list]
## Tail of a list
To get all elements of a list except the first one (also known as the tail of the list), you can use `lst[1:]`. This will return all elements of the list except the first one, or an empty list if the list is empty.
```py
def tail(lst):
return lst[1:]
tail([1, 2, ... | code_snippets | ||
8faad758-cc90-464d-ace4-a4c21048c7d5 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/first-last-initial-head-tail.md | unknown | 3fe4a90c-e518-4faf-8866-ed9955b3ebd6 | 1 | SemanticChunker@1.0.0 | f857e815d37da4404ed847f5564a48728206b1808d7f80456859313895806b14 | [Head of a list]
## Head of a list
To get the first element of a list (also known as the head of the list), you can use `lst[0]`. This will return the first element of the list, or `None` if the list is empty.
```py
def first(lst):
return lst[0] if lst else None
first([1, 2, 3]) # 1
first([]) # None
``` | unknown | unknown | [Head of a list]
## Head of a list
To get the first element of a list (also known as the head of the list), you can use `lst[0]`. This will return the first element of the list, or `None` if the list is empty.
```py
def first(lst):
return lst[0] if lst else None
first([1, 2, 3]) # 1
first([]) # None
``` | [Head of a list]
## Head of a list
To get the first element of a list (also known as the head of the list), you can use `lst[0]`. This will return the first element of the list, or `None` if the list is empty.
```py
def first(lst):
return lst[0] if lst else None
first([1, 2, 3]) # 1
first([]) # None
``` | code_snippets | ||
b3407b81-ca4c-4d92-b7fc-3f31828e62f7 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/first-last-initial-head-tail.md | unknown | 3fe4a90c-e518-4faf-8866-ed9955b3ebd6 | 0 | SemanticChunker@1.0.0 | 6a0564ff69bee4d39618f1f9b93743e1480b89141109ac5b68f32cb02c445dda | ---
title: First, last, initial, head, tail of a Python list
shortTitle: First, last, initial, head, tail
language: python
tags: [list]
cover: pop-of-green
excerpt: Learn how to perform some very common operations on Python lists, such as getting the first, last, initial, head, and tail elements.
listed: false
dateModi... | unknown | unknown | ---
title: First, last, initial, head, tail of a Python list
shortTitle: First, last, initial, head, tail
language: python
tags: [list]
cover: pop-of-green
excerpt: Learn how to perform some very common operations on Python lists, such as getting the first, last, initial, head, and tail elements.
listed: false
dateModi... | ---
title: First, last, initial, head, tail of a Python list
shortTitle: First, last, initial, head, tail
language: python
tags: [list]
cover: pop-of-green
excerpt: Learn how to perform some very common operations on Python lists, such as getting the first, last, initial, head, and tail elements.
listed: false
dateModi... | code_snippets | ||
b702992b-8b72-4bbe-a834-121c8d8ceadd | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/first-last-initial-head-tail.md | unknown | 3fe4a90c-e518-4faf-8866-ed9955b3ebd6 | 3 | SemanticChunker@1.0.0 | c34d42167b8d1cf7ae5f296b6ed5f2d8d014468bbcb0fa5422f176382205884d | [Head of a list > Initial elements of a list]
## Initial elements of a list
To get all elements of a list except the last one, you can use `lst[:-1]`. This will return all elements of the list except the last one, or an empty list if the list is empty.
```py
def initial(lst):
return lst[:-1]
initial([1, 2, 3]) # [... | unknown | unknown | [Head of a list > Initial elements of a list]
## Initial elements of a list
To get all elements of a list except the last one, you can use `lst[:-1]`. This will return all elements of the list except the last one, or an empty list if the list is empty.
```py
def initial(lst):
return lst[:-1]
initial([1, 2, 3]) # [... | [Head of a list > Initial elements of a list]
## Initial elements of a list
To get all elements of a list except the last one, you can use `lst[:-1]`. This will return all elements of the list except the last one, or an empty list if the list is empty.
```py
def initial(lst):
return lst[:-1]
initial([1, 2, 3]) # [... | code_snippets | ||
4b1f363b-4eb5-4d41-a3a5-355157b28601 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/filter-unique.md | unknown | 16b9a7a3-7ff1-4d86-b668-d042a640605b | 2 | SemanticChunker@1.0.0 | c8edb62f0450acada8b2b0832a88042e86edcff47a51522c4019d73dbe9d7a83 | [Filter unique list values > Filter non-unique list values]
## Filter non-unique list values
Similarly, you can create a list with the non-unique values filtered out. All you need to do is to change the condition in the list comprehension.
```py
from collections import Counter
def filter_non_unique(lst):
return [i... | unknown | unknown | [Filter unique list values > Filter non-unique list values]
## Filter non-unique list values
Similarly, you can create a list with the non-unique values filtered out. All you need to do is to change the condition in the list comprehension.
```py
from collections import Counter
def filter_non_unique(lst):
return [i... | [Filter unique list values > Filter non-unique list values]
## Filter non-unique list values
Similarly, you can create a list with the non-unique values filtered out. All you need to do is to change the condition in the list comprehension.
```py
from collections import Counter
def filter_non_unique(lst):
return [i... | code_snippets | ||
9abc4871-ac89-4e5c-9dc8-dbb3947e7531 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/filter-unique.md | unknown | 16b9a7a3-7ff1-4d86-b668-d042a640605b | 0 | SemanticChunker@1.0.0 | 0b5df40f7bafa12b5bffa094b09f3d7790cb6ef80d71aaade6d4cf803808bcb1 | ---
title: Filter unique list values
language: python
tags: [list]
cover: feathers
excerpt: Filter unique or non-unique values from a list using `collections.Counter`.
listed: false
dateModified: 2024-06-14
--- | unknown | unknown | ---
title: Filter unique list values
language: python
tags: [list]
cover: feathers
excerpt: Filter unique or non-unique values from a list using `collections.Counter`.
listed: false
dateModified: 2024-06-14
--- | ---
title: Filter unique list values
language: python
tags: [list]
cover: feathers
excerpt: Filter unique or non-unique values from a list using `collections.Counter`.
listed: false
dateModified: 2024-06-14
--- | code_snippets | ||
e9e8a223-96b3-46af-98d2-46566f921d86 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/filter-unique.md | unknown | 16b9a7a3-7ff1-4d86-b668-d042a640605b | 1 | SemanticChunker@1.0.0 | 13d6541b2c7c77ad30338ceabe23c732e659961481f71b72d39c19f46f58d64b | [Filter unique list values]
## Filter unique list values
Using `collections.Counter`, you can get the count of each value in the list. Then, you can use a list comprehension to filter out the unique values from a list.
```py
from collections import Counter
def filter_unique(lst):
return [item for item, count in Co... | unknown | unknown | [Filter unique list values]
## Filter unique list values
Using `collections.Counter`, you can get the count of each value in the list. Then, you can use a list comprehension to filter out the unique values from a list.
```py
from collections import Counter
def filter_unique(lst):
return [item for item, count in Co... | [Filter unique list values]
## Filter unique list values
Using `collections.Counter`, you can get the count of each value in the list. Then, you can use a list comprehension to filter out the unique values from a list.
```py
from collections import Counter
def filter_unique(lst):
return [item for item, count in Co... | code_snippets | ||
a66ab292-e064-40f7-ab9e-da33c82b81c7 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/prime-factors.md | unknown | e7ed1807-554a-4c2d-88d2-88a4348d098e | 0 | SemanticChunker@1.0.0 | 85ba77d3ce38dc5645ab5e8f6a06519ee79d4f6bf42d53fe71618de4c7b77594 | ---
title: Prime factors of number
language: python
tags: [math,algorithm]
cover: river-flow
excerpt: Find the list of prime factors of a number, using a simple Python function.
listed: false
dateModified: 2024-05-12
---
The list of prime factors of a number is a list of prime numbers that multiply together to give th... | unknown | unknown | ---
title: Prime factors of number
language: python
tags: [math,algorithm]
cover: river-flow
excerpt: Find the list of prime factors of a number, using a simple Python function.
listed: false
dateModified: 2024-05-12
---
The list of prime factors of a number is a list of prime numbers that multiply together to give th... | ---
title: Prime factors of number
language: python
tags: [math,algorithm]
cover: river-flow
excerpt: Find the list of prime factors of a number, using a simple Python function.
listed: false
dateModified: 2024-05-12
---
The list of prime factors of a number is a list of prime numbers that multiply together to give th... | code_snippets | ||
41c97535-38b1-40c8-be55-6fcc687e8437 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/setup-python3-pip3-as-default.md | unknown | e6d51635-f10e-440f-b212-d935dfc65be8 | 0 | SemanticChunker@1.0.0 | df4bd0c7a63d5e22ee3c0191acad4ef2b20979c7c62c2297c0c7ef3b79ac4648 | ---
title: Set up Python 3 and pip 3 as default
shortTitle: Python 3 and pip 3 setup
language: python
tags: [setup]
cover: avocado-slices
excerpt: A very common problem when working with Python is having to remember the correct version. Luckily, there's an easy fix for that.
listed: false
dateModified: 2021-06-12
---
... | unknown | unknown | ---
title: Set up Python 3 and pip 3 as default
shortTitle: Python 3 and pip 3 setup
language: python
tags: [setup]
cover: avocado-slices
excerpt: A very common problem when working with Python is having to remember the correct version. Luckily, there's an easy fix for that.
listed: false
dateModified: 2021-06-12
---
... | ---
title: Set up Python 3 and pip 3 as default
shortTitle: Python 3 and pip 3 setup
language: python
tags: [setup]
cover: avocado-slices
excerpt: A very common problem when working with Python is having to remember the correct version. Luckily, there's an easy fix for that.
listed: false
dateModified: 2021-06-12
---
... | code_snippets | ||
385b0cd3-0261-4e1b-b66e-0800e102997e | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/named-tuples.md | unknown | 359b1319-d3dd-4bf1-bd7f-250b95374c63 | 0 | SemanticChunker@1.0.0 | 850b80a95a72e6b148afa3d38a2cbdf5ec2f01f1b571859e67a514bc1119e598 | ---
title: What are named tuples in Python?
shortTitle: Named Tuples
language: python
tags: [list,dictionary]
cover: mask-quiet
excerpt: Understand Python's named tuples and start using them in your projects today.
listed: false
dateModified: 2021-06-12
---
Python's named tuples are a very simple yet interesting featu... | unknown | unknown | ---
title: What are named tuples in Python?
shortTitle: Named Tuples
language: python
tags: [list,dictionary]
cover: mask-quiet
excerpt: Understand Python's named tuples and start using them in your projects today.
listed: false
dateModified: 2021-06-12
---
Python's named tuples are a very simple yet interesting featu... | ---
title: What are named tuples in Python?
shortTitle: Named Tuples
language: python
tags: [list,dictionary]
cover: mask-quiet
excerpt: Understand Python's named tuples and start using them in your projects today.
listed: false
dateModified: 2021-06-12
---
Python's named tuples are a very simple yet interesting featu... | code_snippets | ||
4f9fc6b1-29f9-4b6f-a423-fe4130defacf | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/named-tuples.md | unknown | 359b1319-d3dd-4bf1-bd7f-250b95374c63 | 1 | SemanticChunker@1.0.0 | 9da8800906569a35fa90cd6f535f7923522f02dc0859e68a4dac32e8849b8e02 | _Where's the catch?_ you might ask. Well, it seems like there's none! The obvious parallel to dictionaries in terms of syntax doesn't seem to go any further, as named tuple instances do not have per-instance dictionaries, meaning they require as much memory as regular tuples. | unknown | unknown | _Where's the catch?_ you might ask. Well, it seems like there's none! The obvious parallel to dictionaries in terms of syntax doesn't seem to go any further, as named tuple instances do not have per-instance dictionaries, meaning they require as much memory as regular tuples. | _Where's the catch?_ you might ask. Well, it seems like there's none! The obvious parallel to dictionaries in terms of syntax doesn't seem to go any further, as named tuple instances do not have per-instance dictionaries, meaning they require as much memory as regular tuples. | code_snippets | ||
e14dfc04-d0cb-4dac-a9c1-d9284c7317fa | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/num-to-range.md | unknown | 56237dac-5a2c-41de-82a9-7f703627b7d6 | 0 | SemanticChunker@1.0.0 | ad2dc68c33a5cf7f020762ae43e1b18e83b1884af98ac45565420e3ef9645060 | ---
title: Map a number to a different range
shortTitle: Map number to range
language: python
tags: [math]
cover: round-leaves
excerpt: Map a number from one range to another range.
listed: false
dateModified: 2024-07-02
---
When working with numbers, you may need to map a number from one range to another range. This ... | unknown | unknown | ---
title: Map a number to a different range
shortTitle: Map number to range
language: python
tags: [math]
cover: round-leaves
excerpt: Map a number from one range to another range.
listed: false
dateModified: 2024-07-02
---
When working with numbers, you may need to map a number from one range to another range. This ... | ---
title: Map a number to a different range
shortTitle: Map number to range
language: python
tags: [math]
cover: round-leaves
excerpt: Map a number from one range to another range.
listed: false
dateModified: 2024-07-02
---
When working with numbers, you may need to map a number from one range to another range. This ... | code_snippets | ||
3245de0b-356f-4b04-84ec-c856e65f0a93 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/offset.md | unknown | 264ab23e-f1e5-4c09-a641-f234fa64e821 | 0 | SemanticChunker@1.0.0 | 316ed7f52df39d183a204d1b8c48c3755f62487fefa5b68cd13ad48f5ac45034 | ---
title: Offset the elements of a Python list
shortTitle: Offset
language: python
tags: [list]
cover: digital-nomad-10
excerpt: Move a specified amount of elements to the end of a list.
listed: false
dateModified: 2024-05-24
---
Have you ever wanted to move a specified amount of elements to the end of a list? This c... | unknown | unknown | ---
title: Offset the elements of a Python list
shortTitle: Offset
language: python
tags: [list]
cover: digital-nomad-10
excerpt: Move a specified amount of elements to the end of a list.
listed: false
dateModified: 2024-05-24
---
Have you ever wanted to move a specified amount of elements to the end of a list? This c... | ---
title: Offset the elements of a Python list
shortTitle: Offset
language: python
tags: [list]
cover: digital-nomad-10
excerpt: Move a specified amount of elements to the end of a list.
listed: false
dateModified: 2024-05-24
---
Have you ever wanted to move a specified amount of elements to the end of a list? This c... | code_snippets | ||
254158d9-31f9-4447-a354-53a99587a013 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/mutable-default-arguments.md | unknown | b156400c-e178-4332-9165-bff6f18e0bdd | 0 | SemanticChunker@1.0.0 | 1781236096c2e448f055a290406559c7583ec09a41de798705d86297ac2e13ef | ---
title: Watch out for mutable default arguments in Python
shortTitle: Mutable default arguments
language: python
tags: [function]
cover: goat-wooden-cottage
excerpt: Mutable default arguments can trip up Python beginners and veterans alike. Here's a quick workaround to deal with them.
listed: false
dateModified: 202... | unknown | unknown | ---
title: Watch out for mutable default arguments in Python
shortTitle: Mutable default arguments
language: python
tags: [function]
cover: goat-wooden-cottage
excerpt: Mutable default arguments can trip up Python beginners and veterans alike. Here's a quick workaround to deal with them.
listed: false
dateModified: 202... | ---
title: Watch out for mutable default arguments in Python
shortTitle: Mutable default arguments
language: python
tags: [function]
cover: goat-wooden-cottage
excerpt: Mutable default arguments can trip up Python beginners and veterans alike. Here's a quick workaround to deal with them.
listed: false
dateModified: 202... | code_snippets | ||
e38f98bc-07a9-4e78-a965-0216ceb34d15 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/min-max-element-index.md | unknown | acf29bc8-6367-44e7-ae23-dbe0cb807385 | 0 | SemanticChunker@1.0.0 | e1efbe9aa73df64e379dc36a18900ad449d5acbe6b9d8e9eb0fd4707943bbc51 | ---
title: Index of min or max element
language: python
tags: [math,list]
cover: two-cities
excerpt: Find the index of the element with the minimum or maximum value in a list.
listed: false
dateModified: 2024-07-18
---
To find the index of the element with the minimum or maximum value in a list, you can use the `min()... | unknown | unknown | ---
title: Index of min or max element
language: python
tags: [math,list]
cover: two-cities
excerpt: Find the index of the element with the minimum or maximum value in a list.
listed: false
dateModified: 2024-07-18
---
To find the index of the element with the minimum or maximum value in a list, you can use the `min()... | ---
title: Index of min or max element
language: python
tags: [math,list]
cover: two-cities
excerpt: Find the index of the element with the minimum or maximum value in a list.
listed: false
dateModified: 2024-07-18
---
To find the index of the element with the minimum or maximum value in a list, you can use the `min()... | code_snippets | ||
18faefda-85c4-4b7d-9541-9fb1ab07b2e9 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/lowercase.md | unknown | c17bbb75-a197-48ff-884c-a56087cfc9b5 | 2 | SemanticChunker@1.0.0 | ed975818f633132c4e383d1510d6fdc292b78c176776f29105695a5db44ad418 | [str.lower() > str.casefold()]
## str.casefold()
Python 3 introduced `str.casefold()`, which is very similar to `str.lower()`, but more aggressive as it is intended to remove all case distinctions in Unicode strings. It implements the casefolding algorithm as described in [section 3.13 of the Unicode Standard](https:... | unknown | unknown | [str.lower() > str.casefold()]
## str.casefold()
Python 3 introduced `str.casefold()`, which is very similar to `str.lower()`, but more aggressive as it is intended to remove all case distinctions in Unicode strings. It implements the casefolding algorithm as described in [section 3.13 of the Unicode Standard](https:... | [str.lower() > str.casefold()]
## str.casefold()
Python 3 introduced `str.casefold()`, which is very similar to `str.lower()`, but more aggressive as it is intended to remove all case distinctions in Unicode strings. It implements the casefolding algorithm as described in [section 3.13 of the Unicode Standard](https:... | code_snippets | ||
3a63b4b5-df94-41c6-bd48-fedff50ffae8 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/lowercase.md | unknown | c17bbb75-a197-48ff-884c-a56087cfc9b5 | 1 | SemanticChunker@1.0.0 | c7a8998118506e2c1f0156883ea6157459eb420ae54cbef5d1bff50e1eb5f516 | [str.lower()]
## str.lower()
Python's standard method for converting a string to lowercase is `str.lower()` and is compatible with both Python 2 and Python 3. While this is the standard way for most cases, there are certain cases where this method might not be the most appropriate, especially if you are working with ... | unknown | unknown | [str.lower()]
## str.lower()
Python's standard method for converting a string to lowercase is `str.lower()` and is compatible with both Python 2 and Python 3. While this is the standard way for most cases, there are certain cases where this method might not be the most appropriate, especially if you are working with ... | [str.lower()]
## str.lower()
Python's standard method for converting a string to lowercase is `str.lower()` and is compatible with both Python 2 and Python 3. While this is the standard way for most cases, there are certain cases where this method might not be the most appropriate, especially if you are working with ... | code_snippets | ||
3e84e5c6-4b9e-47f3-80f6-8dfd920a426f | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/lowercase.md | unknown | c17bbb75-a197-48ff-884c-a56087cfc9b5 | 0 | SemanticChunker@1.0.0 | e4469cbdee279b7cd2a705080215a586f0fe416334efb7ce7dc527a4b2be709d | ---
title: How do I convert a string to lowercase in Python?
shortTitle: Lowercase string
language: python
tags: [string]
cover: type-stamps
excerpt: Learn of the two different ways to convert strings to lowercase in Python and understand when you should use each one with this quick guide.
listed: false
dateModified: 2... | unknown | unknown | ---
title: How do I convert a string to lowercase in Python?
shortTitle: Lowercase string
language: python
tags: [string]
cover: type-stamps
excerpt: Learn of the two different ways to convert strings to lowercase in Python and understand when you should use each one with this quick guide.
listed: false
dateModified: 2... | ---
title: How do I convert a string to lowercase in Python?
shortTitle: Lowercase string
language: python
tags: [string]
cover: type-stamps
excerpt: Learn of the two different ways to convert strings to lowercase in Python and understand when you should use each one with this quick guide.
listed: false
dateModified: 2... | code_snippets | ||
fabf7f37-b85f-4b74-b244-97b3d1ef7e51 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/map-values.md | unknown | ff78ae75-a1bf-49bc-af39-9380337be28c | 0 | SemanticChunker@1.0.0 | 6ce22af7fa15be8b07ba5325a7e7c4d2df725c11d08ca8b6dd18d023b197c490 | ---
title: Map dictionary values
language: python
tags: [dictionary]
cover: pineapple-laptop
excerpt: Create a dictionary with the same keys as the provided dictionary and values generated by running the provided function for each value.
listed: false
dateModified: 2024-08-03
---
Have you ever wanted to create a dicti... | unknown | unknown | ---
title: Map dictionary values
language: python
tags: [dictionary]
cover: pineapple-laptop
excerpt: Create a dictionary with the same keys as the provided dictionary and values generated by running the provided function for each value.
listed: false
dateModified: 2024-08-03
---
Have you ever wanted to create a dicti... | ---
title: Map dictionary values
language: python
tags: [dictionary]
cover: pineapple-laptop
excerpt: Create a dictionary with the same keys as the provided dictionary and values generated by running the provided function for each value.
listed: false
dateModified: 2024-08-03
---
Have you ever wanted to create a dicti... | code_snippets | ||
4d99e6d8-c929-44a6-a47e-3467b7a74fb0 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/lists-tuples.md | unknown | 6801a4a6-a364-4c55-b20e-2d8d03aca8c2 | 1 | SemanticChunker@1.0.0 | 0ed7768d88b693ca54ea5647b882babeacde7a86996684f12c1c0eb31eebbcc4 | [Lists > When to use each one]
## When to use each one
Lists provide a more accessible API and should be used whenever similar types of objects need to be stored and are expected to change over the course of the application's execution. On the other hand, tuples should be used for immutable data, behaving more like c... | unknown | unknown | [Lists > When to use each one]
## When to use each one
Lists provide a more accessible API and should be used whenever similar types of objects need to be stored and are expected to change over the course of the application's execution. On the other hand, tuples should be used for immutable data, behaving more like c... | [Lists > When to use each one]
## When to use each one
Lists provide a more accessible API and should be used whenever similar types of objects need to be stored and are expected to change over the course of the application's execution. On the other hand, tuples should be used for immutable data, behaving more like c... | code_snippets | ||
608549f1-7317-4d3c-8a43-784dfad0e5f7 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/lists-tuples.md | unknown | 6801a4a6-a364-4c55-b20e-2d8d03aca8c2 | 0 | SemanticChunker@1.0.0 | 32d880aae9e0fa2f608d0f39fe62aaf913e93e8ef1ebe6265e83052e4e2da29d | ---
title: What is the difference between lists and tuples in Python?
shortTitle: Lists vs Tuples
language: python
tags: [list]
cover: red-mountain
excerpt: Learn how Python's lists and tuples are different and level up your code today.
listed: false
dateModified: 2021-06-12
---
Python's lists and tuples may seem pret... | unknown | unknown | ---
title: What is the difference between lists and tuples in Python?
shortTitle: Lists vs Tuples
language: python
tags: [list]
cover: red-mountain
excerpt: Learn how Python's lists and tuples are different and level up your code today.
listed: false
dateModified: 2021-06-12
---
Python's lists and tuples may seem pret... | ---
title: What is the difference between lists and tuples in Python?
shortTitle: Lists vs Tuples
language: python
tags: [list]
cover: red-mountain
excerpt: Learn how Python's lists and tuples are different and level up your code today.
listed: false
dateModified: 2021-06-12
---
Python's lists and tuples may seem pret... | code_snippets | ||
b7e43fe5-4842-4416-809f-5c414a899fb2 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/strip-string-prefix.md | unknown | 6ff12729-7f1a-45a9-9a49-d4428f415b12 | 0 | SemanticChunker@1.0.0 | 189ee57d75623966366b12e113fa52ceb48c6deb56f89135c0feabd86274c90f | ---
title: A common mistake to avoid when stripping a prefix from a string in Python
shortTitle: Strip prefix from string
language: python
tags: [string]
cover: cave-exploration
excerpt: Using `str.lstrip()` to strip a prefix from a string might not be exactly what you're looking for. Here's what you should use instead... | unknown | unknown | ---
title: A common mistake to avoid when stripping a prefix from a string in Python
shortTitle: Strip prefix from string
language: python
tags: [string]
cover: cave-exploration
excerpt: Using `str.lstrip()` to strip a prefix from a string might not be exactly what you're looking for. Here's what you should use instead... | ---
title: A common mistake to avoid when stripping a prefix from a string in Python
shortTitle: Strip prefix from string
language: python
tags: [string]
cover: cave-exploration
excerpt: Using `str.lstrip()` to strip a prefix from a string might not be exactly what you're looking for. Here's what you should use instead... | code_snippets | ||
4969f715-f9f6-4403-9575-a150385b3e5a | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/sort-by-indexes.md | unknown | 5d717bdb-74a0-4b89-8ea8-8239b26ce51b | 0 | SemanticChunker@1.0.0 | 2fce3b90f49fd598c19e4f4c0c176f92091648303ded2ff2cbc9fc1ecdbc1aca | ---
title: Sort a Python list by indexes
shortTitle: Sort by indexes
language: python
tags: [list]
cover: little-white-flowers
excerpt: Sort a Python list based on another list containing the desired indexes.
listed: false
dateModified: 2024-08-06
---
If you want to sort a list based on another list containing the des... | unknown | unknown | ---
title: Sort a Python list by indexes
shortTitle: Sort by indexes
language: python
tags: [list]
cover: little-white-flowers
excerpt: Sort a Python list based on another list containing the desired indexes.
listed: false
dateModified: 2024-08-06
---
If you want to sort a list based on another list containing the des... | ---
title: Sort a Python list by indexes
shortTitle: Sort by indexes
language: python
tags: [list]
cover: little-white-flowers
excerpt: Sort a Python list based on another list containing the desired indexes.
listed: false
dateModified: 2024-08-06
---
If you want to sort a list based on another list containing the des... | code_snippets | ||
9ae08378-9226-4c86-a1fa-6803f2ca8dcd | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/string-is-empty.md | unknown | 12f7b9c9-73d5-4ce9-8f6a-b94377ffe1c2 | 0 | SemanticChunker@1.0.0 | e97987f89e7844a54c1e4278b340a3a544bc2f55df936f58a23f2d1549483313 | ---
title: How can I check if a string is empty in Python?
shortTitle: String is empty
language: python
tags: [string]
cover: tea-laptop-table
excerpt: Here are two quick and elegant ways to check if a string is empty in Python.
listed: false
dateModified: 2022-08-05
---
When working with Python strings, a pretty comm... | unknown | unknown | ---
title: How can I check if a string is empty in Python?
shortTitle: String is empty
language: python
tags: [string]
cover: tea-laptop-table
excerpt: Here are two quick and elegant ways to check if a string is empty in Python.
listed: false
dateModified: 2022-08-05
---
When working with Python strings, a pretty comm... | ---
title: How can I check if a string is empty in Python?
shortTitle: String is empty
language: python
tags: [string]
cover: tea-laptop-table
excerpt: Here are two quick and elegant ways to check if a string is empty in Python.
listed: false
dateModified: 2022-08-05
---
When working with Python strings, a pretty comm... | code_snippets | ||
f9097291-edf9-40f8-be1d-44f9e7fc5816 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/slugify.md | unknown | bbc143e0-5e70-4714-a919-5ba5ae700d66 | 0 | SemanticChunker@1.0.0 | dceafa6025954b7b501628e12ac8f2b16c694b21381da3658e4eed47ab310dab | ---
title: Convert a Python string to a slug
shortTitle: String to slug
language: python
tags: [string,regexp]
cover: sliced-fruits
excerpt: Convert a string to a URL-friendly slug, using Python and regular expressions.
listed: false
dateModified: 2024-07-13
---
A slug is a URL-friendly version of a string, typically ... | unknown | unknown | ---
title: Convert a Python string to a slug
shortTitle: String to slug
language: python
tags: [string,regexp]
cover: sliced-fruits
excerpt: Convert a string to a URL-friendly slug, using Python and regular expressions.
listed: false
dateModified: 2024-07-13
---
A slug is a URL-friendly version of a string, typically ... | ---
title: Convert a Python string to a slug
shortTitle: String to slug
language: python
tags: [string,regexp]
cover: sliced-fruits
excerpt: Convert a string to a URL-friendly slug, using Python and regular expressions.
listed: false
dateModified: 2024-07-13
---
A slug is a URL-friendly version of a string, typically ... | code_snippets | ||
ddd0883d-1e59-445c-aa29-994335c8916b | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/sum-of-powers.md | unknown | 91959dc1-4bae-469c-98f6-c4f4e16d70c6 | 0 | SemanticChunker@1.0.0 | bd3110ef870d26b63824a9d3dcf70a846dbfc85a7d447713462a33d6ef0ea653 | ---
title: Sum of powers
language: python
tags: [math]
cover: river-flow
excerpt: Find the sum of the powers of all the numbers from `start` to `end` (both inclusive).
listed: false
dateModified: 2024-05-10
---
Using `range()` and a list comprehension, you can easily create a list of elements in a given range raised t... | unknown | unknown | ---
title: Sum of powers
language: python
tags: [math]
cover: river-flow
excerpt: Find the sum of the powers of all the numbers from `start` to `end` (both inclusive).
listed: false
dateModified: 2024-05-10
---
Using `range()` and a list comprehension, you can easily create a list of elements in a given range raised t... | ---
title: Sum of powers
language: python
tags: [math]
cover: river-flow
excerpt: Find the sum of the powers of all the numbers from `start` to `end` (both inclusive).
listed: false
dateModified: 2024-05-10
---
Using `range()` and a list comprehension, you can easily create a list of elements in a given range raised t... | code_snippets | ||
0209b908-8f46-436c-b407-0bf70818b92d | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/string-capitalize-camel-snake-kebab.md | unknown | 306f59f7-aeac-4e68-8cfe-2726299b974b | 5 | SemanticChunker@1.0.0 | 12ddda9fc76ce089c115b17b925a2c36f76027ce5777627e6b21d722ad59d550 | [Capitalize string > Kebab case string]
## Kebab case string
To kebab case a string, you'll use the same method as above, except replace `str.title()` with `re.sub()` to match all words in the string and then use `str.lower()` to convert them to lowercase. Finally, use `str.replace()` to replace spaces with `-`.
```... | unknown | unknown | [Capitalize string > Kebab case string]
## Kebab case string
To kebab case a string, you'll use the same method as above, except replace `str.title()` with `re.sub()` to match all words in the string and then use `str.lower()` to convert them to lowercase. Finally, use `str.replace()` to replace spaces with `-`.
```... | [Capitalize string > Kebab case string]
## Kebab case string
To kebab case a string, you'll use the same method as above, except replace `str.title()` with `re.sub()` to match all words in the string and then use `str.lower()` to convert them to lowercase. Finally, use `str.replace()` to replace spaces with `-`.
```... | code_snippets | ||
1b364402-8ce7-4ff7-99f3-0d1e488cc279 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/string-capitalize-camel-snake-kebab.md | unknown | 306f59f7-aeac-4e68-8cfe-2726299b974b | 1 | SemanticChunker@1.0.0 | ee3dd32934088d1062e470e63383985860ef9891c94fdfbf39d0c21961a02455 | [Capitalize string]
## Capitalize string
In order to capitalize the first letter of a string, you can use list slicing and the `str.upper()` method. Then, use `str.join()` to combine the capitalized first letter with the rest of the characters. Omit the `lower_rest` parameter to keep the rest of the string intact, or... | unknown | unknown | [Capitalize string]
## Capitalize string
In order to capitalize the first letter of a string, you can use list slicing and the `str.upper()` method. Then, use `str.join()` to combine the capitalized first letter with the rest of the characters. Omit the `lower_rest` parameter to keep the rest of the string intact, or... | [Capitalize string]
## Capitalize string
In order to capitalize the first letter of a string, you can use list slicing and the `str.upper()` method. Then, use `str.join()` to combine the capitalized first letter with the rest of the characters. Omit the `lower_rest` parameter to keep the rest of the string intact, or... | code_snippets | ||
53fac3fa-b2e7-4c34-bc8e-8eebb03cd335 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/string-capitalize-camel-snake-kebab.md | unknown | 306f59f7-aeac-4e68-8cfe-2726299b974b | 2 | SemanticChunker@1.0.0 | 4c239acbbaba81b54f67dcbfc49c57467dc484b968ce4627a6bae2c52dda311c | [Capitalize string > Decapitalize string]
## Decapitalize string
To decapitalize the first letter of a string, you can use the exact same method as above, but with the `str.lower()` method instead of `str.upper()`.
```py
def decapitalize(s, upper_rest = False):
return ''.join([s[:1].lower(), (s[1:].upper() if upper... | unknown | unknown | [Capitalize string > Decapitalize string]
## Decapitalize string
To decapitalize the first letter of a string, you can use the exact same method as above, but with the `str.lower()` method instead of `str.upper()`.
```py
def decapitalize(s, upper_rest = False):
return ''.join([s[:1].lower(), (s[1:].upper() if upper... | [Capitalize string > Decapitalize string]
## Decapitalize string
To decapitalize the first letter of a string, you can use the exact same method as above, but with the `str.lower()` method instead of `str.upper()`.
```py
def decapitalize(s, upper_rest = False):
return ''.join([s[:1].lower(), (s[1:].upper() if upper... | code_snippets | ||
57b19090-f16d-4647-8c54-35ea01450b4a | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/string-capitalize-camel-snake-kebab.md | unknown | 306f59f7-aeac-4e68-8cfe-2726299b974b | 4 | SemanticChunker@1.0.0 | 01c1267559a2423a58dde7850c8f015406547a958f4de7824fe2dc3bfd869d1f | [Capitalize string > Camel case string]
## Camel case string
To convert a string to camel case, you can use `re.sub()` to replace any `-` or `_` with a space, using the regexp `r"(_|-)+"`. Then, use `str.title()` to capitalize every word and convert the rest to lowercase. Finally, use `str.replace()` to remove any sp... | unknown | unknown | [Capitalize string > Camel case string]
## Camel case string
To convert a string to camel case, you can use `re.sub()` to replace any `-` or `_` with a space, using the regexp `r"(_|-)+"`. Then, use `str.title()` to capitalize every word and convert the rest to lowercase. Finally, use `str.replace()` to remove any sp... | [Capitalize string > Camel case string]
## Camel case string
To convert a string to camel case, you can use `re.sub()` to replace any `-` or `_` with a space, using the regexp `r"(_|-)+"`. Then, use `str.title()` to capitalize every word and convert the rest to lowercase. Finally, use `str.replace()` to remove any sp... | code_snippets | ||
66b0b036-0234-4276-9ce3-8ea91fe69aec | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/string-capitalize-camel-snake-kebab.md | unknown | 306f59f7-aeac-4e68-8cfe-2726299b974b | 0 | SemanticChunker@1.0.0 | 38b9645d83f908cc03fe59fd7abd448644d941ed79050622a26790d46124376e | ---
title: Case conversion Python functions
shortTitle: Case conversion
language: python
tags: [string,regexp]
cover: digital-nomad-9
excerpt: Learn how to capitalize, camelcase, snake case, and kebab case strings in Python.
listed: false
dateModified: 2024-08-25
--- | unknown | unknown | ---
title: Case conversion Python functions
shortTitle: Case conversion
language: python
tags: [string,regexp]
cover: digital-nomad-9
excerpt: Learn how to capitalize, camelcase, snake case, and kebab case strings in Python.
listed: false
dateModified: 2024-08-25
--- | ---
title: Case conversion Python functions
shortTitle: Case conversion
language: python
tags: [string,regexp]
cover: digital-nomad-9
excerpt: Learn how to capitalize, camelcase, snake case, and kebab case strings in Python.
listed: false
dateModified: 2024-08-25
--- | code_snippets | ||
c4cf6cc5-09b5-4bb2-aecd-2b88eb4bd617 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/string-capitalize-camel-snake-kebab.md | unknown | 306f59f7-aeac-4e68-8cfe-2726299b974b | 3 | SemanticChunker@1.0.0 | deae72034ee77520ddce5bbf4530f9ae38c1d1ebf86d42251fc98cda673b24d0 | [Capitalize string > Capitalize every word]
## Capitalize every word
To capitalize every word in a string, you can use the `str.title()` method.
```py
def capitalize_every_word(s):
return s.title()
capitalize_every_word('hello world!') # 'Hello World!'
``` | unknown | unknown | [Capitalize string > Capitalize every word]
## Capitalize every word
To capitalize every word in a string, you can use the `str.title()` method.
```py
def capitalize_every_word(s):
return s.title()
capitalize_every_word('hello world!') # 'Hello World!'
``` | [Capitalize string > Capitalize every word]
## Capitalize every word
To capitalize every word in a string, you can use the `str.title()` method.
```py
def capitalize_every_word(s):
return s.title()
capitalize_every_word('hello world!') # 'Hello World!'
``` | code_snippets | ||
fea0adc5-b46f-4045-b29b-35093140c086 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/string-capitalize-camel-snake-kebab.md | unknown | 306f59f7-aeac-4e68-8cfe-2726299b974b | 6 | SemanticChunker@1.0.0 | 8fa80474bb7e4272830112c9a9391ca9b9b93fa951fdfeb5d8db2ee6e8758141 | [Capitalize string > Snake case string]
## Snake case string
To snake case a string, you can use the same method as above, but replace the `-` with `_`.
```py
from re import sub
def snake(s):
return '_'.join(
sub('([A-Z][a-z]+)', r' \1',
sub('([A-Z]+)', r' \1',
s.replace('-', ' '))).split()).lower()
snake('cam... | unknown | unknown | [Capitalize string > Snake case string]
## Snake case string
To snake case a string, you can use the same method as above, but replace the `-` with `_`.
```py
from re import sub
def snake(s):
return '_'.join(
sub('([A-Z][a-z]+)', r' \1',
sub('([A-Z]+)', r' \1',
s.replace('-', ' '))).split()).lower()
snake('cam... | [Capitalize string > Snake case string]
## Snake case string
To snake case a string, you can use the same method as above, but replace the `-` with `_`.
```py
from re import sub
def snake(s):
return '_'.join(
sub('([A-Z][a-z]+)', r' \1',
sub('([A-Z]+)', r' \1',
s.replace('-', ' '))).split()).lower()
snake('cam... | code_snippets | ||
154f7c78-f8af-48ef-abf2-7a49cbf7ac2c | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/sortedlist-vs-list-sort.md | unknown | fb1778f8-c211-4d6e-b005-fe1471199753 | 2 | SemanticChunker@1.0.0 | 8fc384e886180e817f84b53df09d3da1b70a04baba4714cd82effe3dc998c587 | [Differences and similarities > When to use each one]
## When to use each one
`list.sort()` should be used whenever mutating the list is intended and retrieving the original order of the elements is not desired. On the other hand, `sorted()` should be used when the object to be sorted is an iterable (e.g. list, tuple... | unknown | unknown | [Differences and similarities > When to use each one]
## When to use each one
`list.sort()` should be used whenever mutating the list is intended and retrieving the original order of the elements is not desired. On the other hand, `sorted()` should be used when the object to be sorted is an iterable (e.g. list, tuple... | [Differences and similarities > When to use each one]
## When to use each one
`list.sort()` should be used whenever mutating the list is intended and retrieving the original order of the elements is not desired. On the other hand, `sorted()` should be used when the object to be sorted is an iterable (e.g. list, tuple... | code_snippets | ||
a62cefac-3c3b-429f-88ff-de8bd11ed772 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/sortedlist-vs-list-sort.md | unknown | fb1778f8-c211-4d6e-b005-fe1471199753 | 0 | SemanticChunker@1.0.0 | 0e11dfa379560fe70cfb48078e6db47945bdc5dc25bd1ac3e2e96ab3973542b1 | ---
title: What is the difference between list.sort() and sorted() in Python?
shortTitle: List.sort vs sorted
language: python
tags: [list]
cover: duck-plants
excerpt: Learn the difference between Python's built-in list sorting methods and when one is preferred over the other.
listed: false
dateModified: 2021-06-12
---... | unknown | unknown | ---
title: What is the difference between list.sort() and sorted() in Python?
shortTitle: List.sort vs sorted
language: python
tags: [list]
cover: duck-plants
excerpt: Learn the difference between Python's built-in list sorting methods and when one is preferred over the other.
listed: false
dateModified: 2021-06-12
---... | ---
title: What is the difference between list.sort() and sorted() in Python?
shortTitle: List.sort vs sorted
language: python
tags: [list]
cover: duck-plants
excerpt: Learn the difference between Python's built-in list sorting methods and when one is preferred over the other.
listed: false
dateModified: 2021-06-12
---... | code_snippets | ||
ba776c25-a118-49b2-810c-69d690bf5e51 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/sortedlist-vs-list-sort.md | unknown | fb1778f8-c211-4d6e-b005-fe1471199753 | 1 | SemanticChunker@1.0.0 | 08d83c2ce9546431680badcd09716f50ea2b3957a068b4dc8ff300d240520625 | [Differences and similarities]
## Differences and similarities
The primary difference between the two is that `list.sort()` will sort the list in-place, mutating its indexes and returning `None`, whereas `sorted()` will return a new sorted list leaving the original list unchanged. Another difference is that `sorted()... | unknown | unknown | [Differences and similarities]
## Differences and similarities
The primary difference between the two is that `list.sort()` will sort the list in-place, mutating its indexes and returning `None`, whereas `sorted()` will return a new sorted list leaving the original list unchanged. Another difference is that `sorted()... | [Differences and similarities]
## Differences and similarities
The primary difference between the two is that `list.sort()` will sort the list in-place, mutating its indexes and returning `None`, whereas `sorted()` will return a new sorted list leaving the original list unchanged. Another difference is that `sorted()... | code_snippets | ||
64af9b1c-112d-4ae8-9a90-899c3e1bcdd1 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/slice-notation.md | unknown | d1743773-4fe5-49df-af8a-4eff488dd14c | 0 | SemanticChunker@1.0.0 | 79be3c1b3150cf39e196302b9aa747673d2e10c7f5c29c3170dca5457bc80da1 | ---
title: Understanding Python's slice notation
shortTitle: Python slice notation
language: python
tags: [list]
cover: sliced-fruits
excerpt: Learn everything you need to know about Python's slice notation with this handy guide.
listed: false
dateModified: 2021-06-12
--- | unknown | unknown | ---
title: Understanding Python's slice notation
shortTitle: Python slice notation
language: python
tags: [list]
cover: sliced-fruits
excerpt: Learn everything you need to know about Python's slice notation with this handy guide.
listed: false
dateModified: 2021-06-12
--- | ---
title: Understanding Python's slice notation
shortTitle: Python slice notation
language: python
tags: [list]
cover: sliced-fruits
excerpt: Learn everything you need to know about Python's slice notation with this handy guide.
listed: false
dateModified: 2021-06-12
--- | code_snippets | ||
7accfd29-d4b6-4064-9164-92ebebea1981 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/slice-notation.md | unknown | d1743773-4fe5-49df-af8a-4eff488dd14c | 2 | SemanticChunker@1.0.0 | 1a850f90bf0a0f7693214ea04ac770dae9acf62c6a77498ce0a8122071f5ff46 | [Basic syntax > Negative values]
## Negative values
All three of the arguments also accept negative values. For `start_at` and `stop_before`, a negative value means counting from the end of the list instead of counting from the start. For example `-1` would represent the last element, `-2` the second last element etc... | unknown | unknown | [Basic syntax > Negative values]
## Negative values
All three of the arguments also accept negative values. For `start_at` and `stop_before`, a negative value means counting from the end of the list instead of counting from the start. For example `-1` would represent the last element, `-2` the second last element etc... | [Basic syntax > Negative values]
## Negative values
All three of the arguments also accept negative values. For `start_at` and `stop_before`, a negative value means counting from the end of the list instead of counting from the start. For example `-1` would represent the last element, `-2` the second last element etc... | code_snippets | ||
8510075c-40db-480d-bd6a-89698286783f | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/slice-notation.md | unknown | d1743773-4fe5-49df-af8a-4eff488dd14c | 3 | SemanticChunker@1.0.0 | 31ca0982e0abdc5483c7b599581afc485cbd0b4e253227056c9446ed551c17e8 | [Basic syntax > Empty slices]
## Empty slices
Bear in mind that slice notation is very forgiving, so you'll get an empty list if the arguments' values are out of the list's range. For example:
```py
nums = [1, 2, 3, 4, 5]
nums[6:8] # []
nums[:-10] # []
```
@[You might also like](/python/s/slice-assignment) | unknown | unknown | [Basic syntax > Empty slices]
## Empty slices
Bear in mind that slice notation is very forgiving, so you'll get an empty list if the arguments' values are out of the list's range. For example:
```py
nums = [1, 2, 3, 4, 5]
nums[6:8] # []
nums[:-10] # []
```
@[You might also like](/python/s/slice-assignment) | [Basic syntax > Empty slices]
## Empty slices
Bear in mind that slice notation is very forgiving, so you'll get an empty list if the arguments' values are out of the list's range. For example:
```py
nums = [1, 2, 3, 4, 5]
nums[6:8] # []
nums[:-10] # []
```
@[You might also like](/python/s/slice-assignment) | code_snippets | ||
8e75f31b-9d7e-42a7-bead-086cc4d1b6cf | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/slice-notation.md | unknown | d1743773-4fe5-49df-af8a-4eff488dd14c | 1 | SemanticChunker@1.0.0 | c5c9e250c9cf90898c15242e493a930f2a93b6ba404530b91b770686382cb0a8 | [Basic syntax]
## Basic syntax
Python's slice notation is used to return a list or a portion of a list. The basic syntax is as follows:
```py
[start_at:stop_before:step]
```
Where `start_at` is the index of the first item to be returned (included), `stop_before` is the index of the element before which to stop (not... | unknown | unknown | [Basic syntax]
## Basic syntax
Python's slice notation is used to return a list or a portion of a list. The basic syntax is as follows:
```py
[start_at:stop_before:step]
```
Where `start_at` is the index of the first item to be returned (included), `stop_before` is the index of the element before which to stop (not... | [Basic syntax]
## Basic syntax
Python's slice notation is used to return a list or a portion of a list. The basic syntax is as follows:
```py
[start_at:stop_before:step]
```
Where `start_at` is the index of the first item to be returned (included), `stop_before` is the index of the element before which to stop (not... | code_snippets | ||
ce789360-17e3-4450-81c2-c81a2e78f306 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/sort-dictionary-tuple-key.md | unknown | 972768df-ed86-4d4b-b4b3-f83b7d5d6ea7 | 0 | SemanticChunker@1.0.0 | 102a065c2dfe32487741646d1860503fd9f8f67aacc5b850af680110c14c520e | ---
title: Sort Python dictionary list using a tuple key
shortTitle: Sort dictionary list using a tuple key
language: python
tags: [list,dictionary]
cover: matrix-flow
excerpt: Learn how to sort a Python dictionary list using a tuple key.
listed: false
dateModified: 2023-01-04
---
Sorting a list of dictionaries in Pyt... | unknown | unknown | ---
title: Sort Python dictionary list using a tuple key
shortTitle: Sort dictionary list using a tuple key
language: python
tags: [list,dictionary]
cover: matrix-flow
excerpt: Learn how to sort a Python dictionary list using a tuple key.
listed: false
dateModified: 2023-01-04
---
Sorting a list of dictionaries in Pyt... | ---
title: Sort Python dictionary list using a tuple key
shortTitle: Sort dictionary list using a tuple key
language: python
tags: [list,dictionary]
cover: matrix-flow
excerpt: Learn how to sort a Python dictionary list using a tuple key.
listed: false
dateModified: 2023-01-04
---
Sorting a list of dictionaries in Pyt... | code_snippets | ||
2633cc65-8df3-4091-ae38-301de1c270ba | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/slice-assignment.md | unknown | 730002d4-e000-4b6a-a76d-23fbbb6d7606 | 2 | SemanticChunker@1.0.0 | 3869ba00763ea4774bbf05e412b8fb37a0968c591b709638a4cecd265bf71186 | [Basic syntax > Changing length]
## Changing length
The part of the list returned by the slice on the left-hand side of the expression is the part of the list that's going to be changed by slice assignment. This means that you can use slice assignment to replace part of the list with a different list whose length is ... | unknown | unknown | [Basic syntax > Changing length]
## Changing length
The part of the list returned by the slice on the left-hand side of the expression is the part of the list that's going to be changed by slice assignment. This means that you can use slice assignment to replace part of the list with a different list whose length is ... | [Basic syntax > Changing length]
## Changing length
The part of the list returned by the slice on the left-hand side of the expression is the part of the list that's going to be changed by slice assignment. This means that you can use slice assignment to replace part of the list with a different list whose length is ... | code_snippets | ||
32af59e7-fa33-46e5-b877-4930e44c21a6 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/slice-assignment.md | unknown | 730002d4-e000-4b6a-a76d-23fbbb6d7606 | 1 | SemanticChunker@1.0.0 | 3b8184864cbd858d31f5cae21025e5301f7adb3e91fb59aab5ea428c41a7993c | [Basic syntax]
## Basic syntax
In order to understand Python's slice assignment, you should at least have a decent grasp of how slicing works. Here's a quick recap:
```py
[start_at:stop_before:step]
```
Where `start_at` is the index of the first item to be returned (included), `stop_before` is the index of the elem... | unknown | unknown | [Basic syntax]
## Basic syntax
In order to understand Python's slice assignment, you should at least have a decent grasp of how slicing works. Here's a quick recap:
```py
[start_at:stop_before:step]
```
Where `start_at` is the index of the first item to be returned (included), `stop_before` is the index of the elem... | [Basic syntax]
## Basic syntax
In order to understand Python's slice assignment, you should at least have a decent grasp of how slicing works. Here's a quick recap:
```py
[start_at:stop_before:step]
```
Where `start_at` is the index of the first item to be returned (included), `stop_before` is the index of the elem... | code_snippets | ||
43226d4e-7cba-455b-be6e-a1b399292899 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/slice-assignment.md | unknown | 730002d4-e000-4b6a-a76d-23fbbb6d7606 | 3 | SemanticChunker@1.0.0 | 025be3c253a885dc65d6523a088bbb26e8b23fb7368af6febd5a1a8dfc31fbf2 | [Basic syntax > Using steps]
## Using steps
Last but not least, `step` is also applicable in slice assignment and you can use it to replace elements that match the iteration after each stride. The only difference is that if `step` is not `1`, the inserted list must have the exact same length as that of the returned l... | unknown | unknown | [Basic syntax > Using steps]
## Using steps
Last but not least, `step` is also applicable in slice assignment and you can use it to replace elements that match the iteration after each stride. The only difference is that if `step` is not `1`, the inserted list must have the exact same length as that of the returned l... | [Basic syntax > Using steps]
## Using steps
Last but not least, `step` is also applicable in slice assignment and you can use it to replace elements that match the iteration after each stride. The only difference is that if `step` is not `1`, the inserted list must have the exact same length as that of the returned l... | code_snippets | ||
d75de5a1-8f5c-4200-8d19-c40d0074bfc9 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/slice-assignment.md | unknown | 730002d4-e000-4b6a-a76d-23fbbb6d7606 | 0 | SemanticChunker@1.0.0 | 2fa9f5a2ff3cbd0c04925464a948f88900ff462c09eba4ded4770ccf99b44a6a | ---
title: Understanding Python's slice assignment
shortTitle: Python slice assignment
language: python
tags: [list]
cover: sliced-fruits
excerpt: Learn everything you need to know about Python's slice assignment with this handy guide.
listed: false
dateModified: 2021-06-12
--- | unknown | unknown | ---
title: Understanding Python's slice assignment
shortTitle: Python slice assignment
language: python
tags: [list]
cover: sliced-fruits
excerpt: Learn everything you need to know about Python's slice assignment with this handy guide.
listed: false
dateModified: 2021-06-12
--- | ---
title: Understanding Python's slice assignment
shortTitle: Python slice assignment
language: python
tags: [list]
cover: sliced-fruits
excerpt: Learn everything you need to know about Python's slice assignment with this handy guide.
listed: false
dateModified: 2021-06-12
--- | code_snippets | ||
2a56e0ea-f728-45ac-ab59-eec23caa116d | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/conditional-classname.md | unknown | 3f676d38-6584-48c4-baf8-4ff0fba3944b | 1 | SemanticChunker@1.0.0 | 39796fe8f9242cb5d0062588a8664065000ea63fae0a8c5578f9db0709d1c129 | The resulting output is pretty similar. However, if you carefully **inspect the HTML**, you will notice that the first one will render `<div class>Hi</div>` whereas the second one will render `<div>Hi</div>`. This kind of markup (an attribute being present but without value) is rather uncommon and you'd rarely ever see... | unknown | unknown | The resulting output is pretty similar. However, if you carefully **inspect the HTML**, you will notice that the first one will render `<div class>Hi</div>` whereas the second one will render `<div>Hi</div>`. This kind of markup (an attribute being present but without value) is rather uncommon and you'd rarely ever see... | The resulting output is pretty similar. However, if you carefully **inspect the HTML**, you will notice that the first one will render `<div class>Hi</div>` whereas the second one will render `<div>Hi</div>`. This kind of markup (an attribute being present but without value) is rather uncommon and you'd rarely ever see... | code_snippets | ||
db8fde8d-6b66-440f-b1be-dadd515aab02 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/conditional-classname.md | unknown | 3f676d38-6584-48c4-baf8-4ff0fba3944b | 0 | SemanticChunker@1.0.0 | c51b5b100a5ff01ac1a06eeedf0e9f5859fa07cf68d8755bc212a37d75c67997 | ---
title: React conditional className, empty strings and null
shortTitle: Conditional className
language: react
tags: [components]
cover: succulent-red-light
excerpt: In React components, you might need to conditionally apply a `className`. Learn how to handle empty values correctly using this handy tip.
listed: true
... | unknown | unknown | ---
title: React conditional className, empty strings and null
shortTitle: Conditional className
language: react
tags: [components]
cover: succulent-red-light
excerpt: In React components, you might need to conditionally apply a `className`. Learn how to handle empty values correctly using this handy tip.
listed: true
... | ---
title: React conditional className, empty strings and null
shortTitle: Conditional className
language: react
tags: [components]
cover: succulent-red-light
excerpt: In React components, you might need to conditionally apply a `className`. Learn how to handle empty values correctly using this handy tip.
listed: true
... | code_snippets | ||
1f5c31f2-f2b3-4635-b8b1-21f49945c735 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/what-does-if-name-main-do.md | unknown | f60338ff-1e9f-4963-8c35-ff57dcff73c0 | 0 | SemanticChunker@1.0.0 | 226afda05f957b4c24a6bbfb02445f13873b72b67ca99c27ae303d611a6013fa | ---
title: What does if __name__ == "__main__" do in Python?
shortTitle: Name equals main
language: python
tags: [function]
cover: stairs-from-below
excerpt: Understand what one of the most commonly used Python constructs does and when you should use it.
listed: false
dateModified: 2024-01-17
---
One of the most commo... | unknown | unknown | ---
title: What does if __name__ == "__main__" do in Python?
shortTitle: Name equals main
language: python
tags: [function]
cover: stairs-from-below
excerpt: Understand what one of the most commonly used Python constructs does and when you should use it.
listed: false
dateModified: 2024-01-17
---
One of the most commo... | ---
title: What does if __name__ == "__main__" do in Python?
shortTitle: Name equals main
language: python
tags: [function]
cover: stairs-from-below
excerpt: Understand what one of the most commonly used Python constructs does and when you should use it.
listed: false
dateModified: 2024-01-17
---
One of the most commo... | code_snippets | ||
ecc0284a-3c7e-452f-8acb-0900f175505c | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/what-does-if-name-main-do.md | unknown | f60338ff-1e9f-4963-8c35-ff57dcff73c0 | 1 | SemanticChunker@1.0.0 | 366d8315bc20b4e23b276d346a638c6b1b7d0c08c5b7ffc80d3702331c9366f7 | ```
Now, when we run `script1.py` directly, the function `do_stuff` is called once. When we import `script1.py` in `script2.py`, the function `do_stuff` is not called. So, when we call `do_stuff` in `script2.py`, it's called only once.
```shell
$ python script1.py
# Logs: Doing stuff
$ python script2.py
# Logs: Doin... | unknown | unknown | ```
Now, when we run `script1.py` directly, the function `do_stuff` is called once. When we import `script1.py` in `script2.py`, the function `do_stuff` is not called. So, when we call `do_stuff` in `script2.py`, it's called only once.
```shell
$ python script1.py
# Logs: Doing stuff
$ python script2.py
# Logs: Doin... | ```
Now, when we run `script1.py` directly, the function `do_stuff` is called once. When we import `script1.py` in `script2.py`, the function `do_stuff` is not called. So, when we call `do_stuff` in `script2.py`, it's called only once.
```shell
$ python script1.py
# Logs: Doing stuff
$ python script2.py
# Logs: Doin... | code_snippets | ||
28d83cf5-5d31-4090-b2c9-47ce263a4c53 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/breaking-react.md | unknown | 048affc0-3feb-4e0c-ac4a-7675c26e1a64 | 0 | SemanticChunker@1.0.0 | 3ee560c6bd8cb1240290d32214f5a7f18479cff8923842cd7c95a3f164accf7d | ---
title: Breaking React - a common pattern to avoid
language: react
tags: [debugging]
cover: broken-screen
excerpt: As powerful as React is, it is also quite fragile at places. Did you know that a few lines can easily break your entire React application?
listed: true
dateModified: 2021-11-06
---
I am by no means an ... | unknown | unknown | ---
title: Breaking React - a common pattern to avoid
language: react
tags: [debugging]
cover: broken-screen
excerpt: As powerful as React is, it is also quite fragile at places. Did you know that a few lines can easily break your entire React application?
listed: true
dateModified: 2021-11-06
---
I am by no means an ... | ---
title: Breaking React - a common pattern to avoid
language: react
tags: [debugging]
cover: broken-screen
excerpt: As powerful as React is, it is also quite fragile at places. Did you know that a few lines can easily break your entire React application?
listed: true
dateModified: 2021-11-06
---
I am by no means an ... | code_snippets | ||
7efe8aa0-ba4d-42d7-953a-13f70a9b3490 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/breaking-react.md | unknown | 048affc0-3feb-4e0c-ac4a-7675c26e1a64 | 1 | SemanticChunker@1.0.0 | 017f83ae0e2e4a7b1838f23215a01f1c5fc49f9f7274adec85330ccf7cb097f8 | ```
Uncaught DOMException: Failed to execute 'removeChild' on 'Node': The node to be removed is not a child of this node.
```
This might still be cryptic, so let me explain what's going on. React uses its own representation of the DOM, called a **virtual DOM**, in order to figure out what to render. Usually, the virtu... | unknown | unknown | ```
Uncaught DOMException: Failed to execute 'removeChild' on 'Node': The node to be removed is not a child of this node.
```
This might still be cryptic, so let me explain what's going on. React uses its own representation of the DOM, called a **virtual DOM**, in order to figure out what to render. Usually, the virtu... | ```
Uncaught DOMException: Failed to execute 'removeChild' on 'Node': The node to be removed is not a child of this node.
```
This might still be cryptic, so let me explain what's going on. React uses its own representation of the DOM, called a **virtual DOM**, in order to figure out what to render. Usually, the virtu... | code_snippets | ||
3455df5c-b978-4711-8f12-46d825311409 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/trim-whitespace.md | unknown | 9270360c-35df-4151-98a8-83bf59cd7815 | 2 | SemanticChunker@1.0.0 | 4f3afd6105375491aeda20ab95bb19fac1c6209cefb37f609894746f214c6dbe | [Remove leading and trailing whitespace characters > Remove leading whitespace characters]
## Remove leading whitespace characters
Leading whitespace characters are the whitespace characters at the start of a string. To remove them, use the `str.lstrip()` method.
```py
' Hello '.lstrip() # 'Hello '
``` | unknown | unknown | [Remove leading and trailing whitespace characters > Remove leading whitespace characters]
## Remove leading whitespace characters
Leading whitespace characters are the whitespace characters at the start of a string. To remove them, use the `str.lstrip()` method.
```py
' Hello '.lstrip() # 'Hello '
``` | [Remove leading and trailing whitespace characters > Remove leading whitespace characters]
## Remove leading whitespace characters
Leading whitespace characters are the whitespace characters at the start of a string. To remove them, use the `str.lstrip()` method.
```py
' Hello '.lstrip() # 'Hello '
``` | code_snippets | ||
5b14ff43-81b3-465b-ba7f-e3ac5ab3c319 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/trim-whitespace.md | unknown | 9270360c-35df-4151-98a8-83bf59cd7815 | 3 | SemanticChunker@1.0.0 | 9b2234e54204a8a88070cb549bc220ec45657bfb8f3b081fb7a12013f3b5fb18 | [Remove leading and trailing whitespace characters > Remove trailing whitespace characters]
## Remove trailing whitespace characters
Trailing whitespace characters are the whitespace characters at the end of a string. To remove them, use the `str.rstrip()` method.
```py
' Hello '.rstrip() # ' Hello'
``` | unknown | unknown | [Remove leading and trailing whitespace characters > Remove trailing whitespace characters]
## Remove trailing whitespace characters
Trailing whitespace characters are the whitespace characters at the end of a string. To remove them, use the `str.rstrip()` method.
```py
' Hello '.rstrip() # ' Hello'
``` | [Remove leading and trailing whitespace characters > Remove trailing whitespace characters]
## Remove trailing whitespace characters
Trailing whitespace characters are the whitespace characters at the end of a string. To remove them, use the `str.rstrip()` method.
```py
' Hello '.rstrip() # ' Hello'
``` | code_snippets | ||
68c18dad-22b2-4804-8a59-7689dc0c67c6 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/trim-whitespace.md | unknown | 9270360c-35df-4151-98a8-83bf59cd7815 | 0 | SemanticChunker@1.0.0 | 1c147e66401ee19099efa367cfed8102a1c1294d53a2a05e7ac3dee53e0c92ec | ---
title: How do I trim whitespace from a string in Python?
shortTitle: Trim whitespace
language: python
tags: [string]
cover: organizer
excerpt: Oftentimes you might need to trim whitespace from a string in Python. Learn of three different way to do this in this short guide.
listed: false
dateModified: 2021-12-13
---... | unknown | unknown | ---
title: How do I trim whitespace from a string in Python?
shortTitle: Trim whitespace
language: python
tags: [string]
cover: organizer
excerpt: Oftentimes you might need to trim whitespace from a string in Python. Learn of three different way to do this in this short guide.
listed: false
dateModified: 2021-12-13
---... | ---
title: How do I trim whitespace from a string in Python?
shortTitle: Trim whitespace
language: python
tags: [string]
cover: organizer
excerpt: Oftentimes you might need to trim whitespace from a string in Python. Learn of three different way to do this in this short guide.
listed: false
dateModified: 2021-12-13
---... | code_snippets | ||
fd586a6d-3009-4bca-9e11-6b2e7080f361 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/trim-whitespace.md | unknown | 9270360c-35df-4151-98a8-83bf59cd7815 | 1 | SemanticChunker@1.0.0 | ef6ae150a68bd9271b63edf4426737027ebfd3760a73483cea1f5c3260d901c0 | [Remove leading and trailing whitespace characters]
## Remove leading and trailing whitespace characters
Use the `str.strip()` method to remove whitespace characters from both the beginning and end of a string.
```py
' Hello '.strip() # 'Hello'
``` | unknown | unknown | [Remove leading and trailing whitespace characters]
## Remove leading and trailing whitespace characters
Use the `str.strip()` method to remove whitespace characters from both the beginning and end of a string.
```py
' Hello '.strip() # 'Hello'
``` | [Remove leading and trailing whitespace characters]
## Remove leading and trailing whitespace characters
Use the `str.strip()` method to remove whitespace characters from both the beginning and end of a string.
```py
' Hello '.strip() # 'Hello'
``` | code_snippets | ||
60e4caf0-6225-43ca-a918-6c9336a8d50d | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/auto-link.md | unknown | cdbc06cb-2f4b-4e63-a72b-ec0e62df2f94 | 0 | SemanticChunker@1.0.0 | 02d1afb71731f88003331f2699afcc0020e4224231b798285a993078f6ab16b3 | ---
title: Automatic text linking in React
language: react
tags: [components,fragment,regexp]
cover: red-petals
excerpt: Ever wondered how to detect links in plaintext strings and make them clickable? A little ingenuity combined with React can get you there.
listed: true
dateModified: 2024-06-12
---
Have you ever wond... | unknown | unknown | ---
title: Automatic text linking in React
language: react
tags: [components,fragment,regexp]
cover: red-petals
excerpt: Ever wondered how to detect links in plaintext strings and make them clickable? A little ingenuity combined with React can get you there.
listed: true
dateModified: 2024-06-12
---
Have you ever wond... | ---
title: Automatic text linking in React
language: react
tags: [components,fragment,regexp]
cover: red-petals
excerpt: Ever wondered how to detect links in plaintext strings and make them clickable? A little ingenuity combined with React can get you there.
listed: true
dateModified: 2024-06-12
---
Have you ever wond... | code_snippets | ||
6eae3b84-126d-43a8-984d-838f3c89d49b | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/auto-link.md | unknown | cdbc06cb-2f4b-4e63-a72b-ec0e62df2f94 | 1 | SemanticChunker@1.0.0 | 5354938df1a2feefad23d67c50887f107c214a87e11f255542f5046868d3b486 | ```jsx
const AutoLink = ({ text }) => {
const delimiter = /((?:https?:\/\/)?(?:(?:[a-z0-9]?(?:[a-z0-9\-]{1,61}[a-z0-9])?\.[^\.|\s])+[a-z\.]*[a-z]+|(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3})(?::\d{1,5})*[a-z0-9.,_\/~#&=;%+?\-\\(\\)]*)/gi;
return (
<>
{text.split(delim... | unknown | unknown | ```jsx
const AutoLink = ({ text }) => {
const delimiter = /((?:https?:\/\/)?(?:(?:[a-z0-9]?(?:[a-z0-9\-]{1,61}[a-z0-9])?\.[^\.|\s])+[a-z\.]*[a-z]+|(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3})(?::\d{1,5})*[a-z0-9.,_\/~#&=;%+?\-\\(\\)]*)/gi;
return (
<>
{text.split(delim... | ```jsx
const AutoLink = ({ text }) => {
const delimiter = /((?:https?:\/\/)?(?:(?:[a-z0-9]?(?:[a-z0-9\-]{1,61}[a-z0-9])?\.[^\.|\s])+[a-z\.]*[a-z]+|(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)(?:\.(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)){3})(?::\d{1,5})*[a-z0-9.,_\/~#&=;%+?\-\\(\\)]*)/gi;
return (
<>
{text.split(delim... | code_snippets | ||
d0b8f120-501d-46dd-8eed-f19136fd252a | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/snippet-template.md | unknown | 37a7d6c1-6881-4433-ae7b-b300f791b88b | 0 | SemanticChunker@1.0.0 | cb60714051e31c11e7930966f6e65e15a0b515413edb2d14b50e7c52c402122f | ---
title: My amazing story
shortTitle: Amazing story
language: python
tags: [list]
cover: image
excerpt: A short summary of your story up to 140 characters long.
listed: true
dateModified: 2021-06-13
---
Write your story here. | unknown | unknown | ---
title: My amazing story
shortTitle: Amazing story
language: python
tags: [list]
cover: image
excerpt: A short summary of your story up to 140 characters long.
listed: true
dateModified: 2021-06-13
---
Write your story here. | ---
title: My amazing story
shortTitle: Amazing story
language: python
tags: [list]
cover: image
excerpt: A short summary of your story up to 140 characters long.
listed: true
dateModified: 2021-06-13
---
Write your story here. | code_snippets | ||
9e9cbe31-6807-484a-9052-21f486e055d7 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/to-roman-numeral.md | unknown | ba28b52e-38f5-4754-9c2e-d31c44b17c41 | 0 | SemanticChunker@1.0.0 | 5b67567811975faf53b9fddd4da3a529c9b1d386316be437703613b7cbf2b1c6 | ---
title: Convert an integer to a roman numeral
shortTitle: Integer to roman numeral
language: python
tags: [math,string]
cover: tram-car
excerpt: Convert an integer to its roman numeral representation.
listed: false
dateModified: 2024-05-13
---
Roman numerals can only represent numbers between `1` and `3999`. Howeve... | unknown | unknown | ---
title: Convert an integer to a roman numeral
shortTitle: Integer to roman numeral
language: python
tags: [math,string]
cover: tram-car
excerpt: Convert an integer to its roman numeral representation.
listed: false
dateModified: 2024-05-13
---
Roman numerals can only represent numbers between `1` and `3999`. Howeve... | ---
title: Convert an integer to a roman numeral
shortTitle: Integer to roman numeral
language: python
tags: [math,string]
cover: tram-car
excerpt: Convert an integer to its roman numeral representation.
listed: false
dateModified: 2024-05-13
---
Roman numerals can only represent numbers between `1` and `3999`. Howeve... | code_snippets | ||
39949711-2f17-4762-9e30-c56b76b7bc33 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/collapsable-content-components.md | unknown | 149f74e6-1293-416a-8f18-cfc735d057d7 | 1 | SemanticChunker@1.0.0 | fb86cef5d0af34081401d5b0335edb1e60d36718d953ff1d6732c4127869b13f | [Collapsible content]
## Collapsible content
For a simple **collapsible content** component, you need the `useState()` hook to manage the state of the collapsible content. Then, using a `<button>` to toggle the visibility of the content, you can make the content collapse or expand by changing the state.
For **access... | unknown | unknown | [Collapsible content]
## Collapsible content
For a simple **collapsible content** component, you need the `useState()` hook to manage the state of the collapsible content. Then, using a `<button>` to toggle the visibility of the content, you can make the content collapse or expand by changing the state.
For **access... | [Collapsible content]
## Collapsible content
For a simple **collapsible content** component, you need the `useState()` hook to manage the state of the collapsible content. Then, using a `<button>` to toggle the visibility of the content, you can make the content collapse or expand by changing the state.
For **access... | code_snippets | ||
4da9dd6e-076b-4ff4-84c1-373344b71696 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/collapsable-content-components.md | unknown | 149f74e6-1293-416a-8f18-cfc735d057d7 | 3 | SemanticChunker@1.0.0 | 604ac4c48ffa92fe64a41c006472d78e91324f7ee708983e6c7a82a51b86d3e3 | [Collapsible content > Collapsible accordion]
```jsx
const AccordionItem = ({ label, isCollapsed, handleClick, children }) => {
return (
<>
<button className="accordion-button" onClick={handleClick}>
{label}
</button>
<div
className={`accordion-item ${isCollapsed ? 'collapsed' : 'expanded'}`}
aria-expanded={is... | unknown | unknown | [Collapsible content > Collapsible accordion]
```jsx
const AccordionItem = ({ label, isCollapsed, handleClick, children }) => {
return (
<>
<button className="accordion-button" onClick={handleClick}>
{label}
</button>
<div
className={`accordion-item ${isCollapsed ? 'collapsed' : 'expanded'}`}
aria-expanded={is... | [Collapsible content > Collapsible accordion]
```jsx
const AccordionItem = ({ label, isCollapsed, handleClick, children }) => {
return (
<>
<button className="accordion-button" onClick={handleClick}>
{label}
</button>
<div
className={`accordion-item ${isCollapsed ? 'collapsed' : 'expanded'}`}
aria-expanded={is... | code_snippets | ||
602ee096-50c1-4769-9937-19a2faab141d | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/collapsable-content-components.md | unknown | 149f74e6-1293-416a-8f18-cfc735d057d7 | 0 | SemanticChunker@1.0.0 | 506e916020673f23e515d0e387697c0b524a161840a7fc71176804831fbcb0ec | ---
title: Collapsible content React components
shortTitle: Collapsible content components
language: react
tags: [components,children,state,effect]
cover: orange-wedges
excerpt: Collapsible content is a common UI pattern. Learn how to create collapsible content components in React in this short guide.
listed: true
date... | unknown | unknown | ---
title: Collapsible content React components
shortTitle: Collapsible content components
language: react
tags: [components,children,state,effect]
cover: orange-wedges
excerpt: Collapsible content is a common UI pattern. Learn how to create collapsible content components in React in this short guide.
listed: true
date... | ---
title: Collapsible content React components
shortTitle: Collapsible content components
language: react
tags: [components,children,state,effect]
cover: orange-wedges
excerpt: Collapsible content is a common UI pattern. Learn how to create collapsible content components in React in this short guide.
listed: true
date... | code_snippets | ||
a7c97595-680e-419c-8670-453d8d62837b | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/collapsable-content-components.md | unknown | 149f74e6-1293-416a-8f18-cfc735d057d7 | 4 | SemanticChunker@1.0.0 | d6e2ffa6ecdf61c8c66bfec278b5d413b013ea2af64c0e390bb90403fedc1514 | [Collapsible content > Tabs]
## Tabs
**Tabs** are virtually identical to an accordion, but with a different visual representation. The `Tabs` component will manage the state and render the tab items. Again, we'll extract the `TabItem` component to handle each tab item.
<code-tabs full-width="true">
```jsx
const Tab... | unknown | unknown | [Collapsible content > Tabs]
## Tabs
**Tabs** are virtually identical to an accordion, but with a different visual representation. The `Tabs` component will manage the state and render the tab items. Again, we'll extract the `TabItem` component to handle each tab item.
<code-tabs full-width="true">
```jsx
const Tab... | [Collapsible content > Tabs]
## Tabs
**Tabs** are virtually identical to an accordion, but with a different visual representation. The `Tabs` component will manage the state and render the tab items. Again, we'll extract the `TabItem` component to handle each tab item.
<code-tabs full-width="true">
```jsx
const Tab... | code_snippets | ||
e482169e-ff44-40c6-b917-cd7af28f165a | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/collapsable-content-components.md | unknown | 149f74e6-1293-416a-8f18-cfc735d057d7 | 2 | SemanticChunker@1.0.0 | 5accd9ad93042d0a294973503dc0bfc819aadf9fd4bbaa1b193f3661589576d5 | [Collapsible content > Collapsible accordion]
## Collapsible accordion
**Accordions** are very similar, but we need to manage the state a little differently, holding the index of the active accordion item. We can then toggle the visibility of the content based on the active index.
In order to make the component easi... | unknown | unknown | [Collapsible content > Collapsible accordion]
## Collapsible accordion
**Accordions** are very similar, but we need to manage the state a little differently, holding the index of the active accordion item. We can then toggle the visibility of the content based on the active index.
In order to make the component easi... | [Collapsible content > Collapsible accordion]
## Collapsible accordion
**Accordions** are very similar, but we need to manage the state a little differently, holding the index of the active accordion item. We can then toggle the visibility of the content based on the active index.
In order to make the component easi... | code_snippets | ||
f12035b3-bb3b-4b8c-b508-3f2d8abb6066 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/collapsable-content-components.md | unknown | 149f74e6-1293-416a-8f18-cfc735d057d7 | 5 | SemanticChunker@1.0.0 | eed8a6055fa487ec772da9a0bf8ee5b918fcf45baa6c24752de187fc26e62b94 | [Collapsible content > Tabs]
```css
.tab-menu > button {
cursor: pointer;
padding: 8px 16px;
border: 0;
border-bottom: 2px solid transparent;
background: none;
}
.tab-menu > button.focus {
border-bottom: 2px solid #007bef;
}
.tab-menu > button:hover {
border-bottom: 2px solid #007bef;
}
.tab-content {
displ... | unknown | unknown | [Collapsible content > Tabs]
```css
.tab-menu > button {
cursor: pointer;
padding: 8px 16px;
border: 0;
border-bottom: 2px solid transparent;
background: none;
}
.tab-menu > button.focus {
border-bottom: 2px solid #007bef;
}
.tab-menu > button:hover {
border-bottom: 2px solid #007bef;
}
.tab-content {
displ... | [Collapsible content > Tabs]
```css
.tab-menu > button {
cursor: pointer;
padding: 8px 16px;
border: 0;
border-bottom: 2px solid transparent;
background: none;
}
.tab-menu > button.focus {
border-bottom: 2px solid #007bef;
}
.tab-menu > button:hover {
border-bottom: 2px solid #007bef;
}
.tab-content {
displ... | code_snippets | ||
f2b0c49d-0e5f-4f52-a95d-a7653431fc81 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/collapsable-content-components.md | unknown | 149f74e6-1293-416a-8f18-cfc735d057d7 | 6 | SemanticChunker@1.0.0 | 83c36bf0d333c5029a8e6916cb757e5e00c57f01a8a009736653d228f5a4c9ce | [Collapsible content > Carousel]
## Carousel
Finally, a **carousel** is a type of collapsible content that automatically scrolls through items. We can use the `useEffect()` hook to update the active item index at regular **intervals**, with the help of `setTimeout()`.
<code-tabs full-width="true">
```jsx
const Caro... | unknown | unknown | [Collapsible content > Carousel]
## Carousel
Finally, a **carousel** is a type of collapsible content that automatically scrolls through items. We can use the `useEffect()` hook to update the active item index at regular **intervals**, with the help of `setTimeout()`.
<code-tabs full-width="true">
```jsx
const Caro... | [Collapsible content > Carousel]
## Carousel
Finally, a **carousel** is a type of collapsible content that automatically scrolls through items. We can use the `useEffect()` hook to update the active item index at regular **intervals**, with the help of `setTimeout()`.
<code-tabs full-width="true">
```jsx
const Caro... | code_snippets | ||
02e308bd-ace4-4352-8c6d-c6fee8e03e82 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/advanced-react-state-hooks.md | unknown | abae0ef6-c124-45c4-bf5a-502cd9165bac | 9 | SemanticChunker@1.0.0 | cf8dbf73527c48f1610d6a3aea983c67d996b5dc27eee4eb349605ac131224f2 | [`useToggler` hook > `useDelayedState` hook]
## `useDelayedState` hook
Instead of creating a stateful value immediately, you might want to **delay its creation** until some condition is met. This is where the `useDelayedState` hook comes in. It creates a stateful value that is only updated if the `condition` is met.
... | unknown | unknown | [`useToggler` hook > `useDelayedState` hook]
## `useDelayedState` hook
Instead of creating a stateful value immediately, you might want to **delay its creation** until some condition is met. This is where the `useDelayedState` hook comes in. It creates a stateful value that is only updated if the `condition` is met.
... | [`useToggler` hook > `useDelayedState` hook]
## `useDelayedState` hook
Instead of creating a stateful value immediately, you might want to **delay its creation** until some condition is met. This is where the `useDelayedState` hook comes in. It creates a stateful value that is only updated if the `condition` is met.
... | code_snippets | ||
545d8b28-924e-474b-8e0e-038c75a2d2f9 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/advanced-react-state-hooks.md | unknown | abae0ef6-c124-45c4-bf5a-502cd9165bac | 6 | SemanticChunker@1.0.0 | 94615922968b61dc447df8bb3a22a3e6fccc9ec1f6b5f65132032229cba366f5 | [`useToggler` hook > `useMergeState` hook]
## `useMergeState` hook
Similar to the `useReducer()` hook, the `useMergeState` hook allows you to update the state by **merging the new state** provided with the existing one. It creates a stateful value and a function to update it by merging the new state provided.
All yo... | unknown | unknown | [`useToggler` hook > `useMergeState` hook]
## `useMergeState` hook
Similar to the `useReducer()` hook, the `useMergeState` hook allows you to update the state by **merging the new state** provided with the existing one. It creates a stateful value and a function to update it by merging the new state provided.
All yo... | [`useToggler` hook > `useMergeState` hook]
## `useMergeState` hook
Similar to the `useReducer()` hook, the `useMergeState` hook allows you to update the state by **merging the new state** provided with the existing one. It creates a stateful value and a function to update it by merging the new state provided.
All yo... | code_snippets | ||
6fd289fb-425b-4ab6-b619-53a54229dbbb | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/advanced-react-state-hooks.md | unknown | abae0ef6-c124-45c4-bf5a-502cd9165bac | 5 | SemanticChunker@1.0.0 | cb3cedb673470cb366a56fe8ffa3ef2411b9bc1474cdf5a91500e136caca43df | [`useToggler` hook > `useGetSet` hook]
## `useGetSet` hook
Instead of returning a single state variable and its setter, you might want to return **a getter and a setter** function. This is the job of the `useGetSet` hook. It creates a stateful value, returning a getter and a setter function.
In order to implement th... | unknown | unknown | [`useToggler` hook > `useGetSet` hook]
## `useGetSet` hook
Instead of returning a single state variable and its setter, you might want to return **a getter and a setter** function. This is the job of the `useGetSet` hook. It creates a stateful value, returning a getter and a setter function.
In order to implement th... | [`useToggler` hook > `useGetSet` hook]
## `useGetSet` hook
Instead of returning a single state variable and its setter, you might want to return **a getter and a setter** function. This is the job of the `useGetSet` hook. It creates a stateful value, returning a getter and a setter function.
In order to implement th... | code_snippets | ||
90ba3e58-eb3b-4e60-a6cf-87961ee12fc9 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/advanced-react-state-hooks.md | unknown | abae0ef6-c124-45c4-bf5a-502cd9165bac | 2 | SemanticChunker@1.0.0 | 60ec7bb0a05c092c0d4c4a9fbbf8c3ce81863ef683c3cfcf2d0858a0f85291cc | [`useToggler` hook > `useMap` hook]
## `useMap` hook
The `Map` object is a very versatile **data structure** in JavaScript, but it's not directly supported by React's state management hooks. The `useMap` hook creates a stateful `Map` object and a set of functions to manipulate it.
Using the `useState()` hook and the... | unknown | unknown | [`useToggler` hook > `useMap` hook]
## `useMap` hook
The `Map` object is a very versatile **data structure** in JavaScript, but it's not directly supported by React's state management hooks. The `useMap` hook creates a stateful `Map` object and a set of functions to manipulate it.
Using the `useState()` hook and the... | [`useToggler` hook > `useMap` hook]
## `useMap` hook
The `Map` object is a very versatile **data structure** in JavaScript, but it's not directly supported by React's state management hooks. The `useMap` hook creates a stateful `Map` object and a set of functions to manipulate it.
Using the `useState()` hook and the... | code_snippets | ||
91ceca01-8132-4088-9f9a-edbdd3c345b7 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/advanced-react-state-hooks.md | unknown | abae0ef6-c124-45c4-bf5a-502cd9165bac | 4 | SemanticChunker@1.0.0 | 19996718b3dd5399f11f54766500c438162598b9300d72c1e7a0b1de3a0bd581 | [`useToggler` hook > `useDefault` hook]
## `useDefault` hook
Similar to the previous hook, we might also need a hook that provides a **default value** if the state is `null` or `undefined`. The `useDefault` hook does exactly that. It creates a stateful value with a default fallback if it's `null` or `undefined`, and ... | unknown | unknown | [`useToggler` hook > `useDefault` hook]
## `useDefault` hook
Similar to the previous hook, we might also need a hook that provides a **default value** if the state is `null` or `undefined`. The `useDefault` hook does exactly that. It creates a stateful value with a default fallback if it's `null` or `undefined`, and ... | [`useToggler` hook > `useDefault` hook]
## `useDefault` hook
Similar to the previous hook, we might also need a hook that provides a **default value** if the state is `null` or `undefined`. The `useDefault` hook does exactly that. It creates a stateful value with a default fallback if it's `null` or `undefined`, and ... | code_snippets | ||
9e9f7a80-f2e7-4733-b80a-e2f9482db177 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/advanced-react-state-hooks.md | unknown | abae0ef6-c124-45c4-bf5a-502cd9165bac | 7 | SemanticChunker@1.0.0 | 32f0a31ed159b0dc18a72c5a85e5cae92e7d30c2604cbb2274d8d38df55340f9 | [`useToggler` hook > `usePrevious` hook]
## `usePrevious` hook
The `usePrevious` hook is a very useful hook that stores the **previous state** or props. It's a custom hook that takes a `value` and returns the previous value. It uses the `useRef()` hook to create a ref for the `value` and the `useEffect()` hook to rem... | unknown | unknown | [`useToggler` hook > `usePrevious` hook]
## `usePrevious` hook
The `usePrevious` hook is a very useful hook that stores the **previous state** or props. It's a custom hook that takes a `value` and returns the previous value. It uses the `useRef()` hook to create a ref for the `value` and the `useEffect()` hook to rem... | [`useToggler` hook > `usePrevious` hook]
## `usePrevious` hook
The `usePrevious` hook is a very useful hook that stores the **previous state** or props. It's a custom hook that takes a `value` and returns the previous value. It uses the `useRef()` hook to create a ref for the `value` and the `useEffect()` hook to rem... | code_snippets | ||
ac8c2dfa-6e6d-4299-93bb-8229580bf304 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/advanced-react-state-hooks.md | unknown | abae0ef6-c124-45c4-bf5a-502cd9165bac | 3 | SemanticChunker@1.0.0 | 1679e746456533fa53bf64956280b8470814a0d0d47e8cfc83eed93974137ca0 | [`useToggler` hook > `useSet` hook]
## `useSet` hook
Similar to `useMap`, the `useSet` hook creates a stateful `Set` object and a set of functions to manipulate it. The implementation is very similar to the previous hook, but instead of using a `Map`, you use a `Set`.
```jsx
const useSet = initialValue => {
const [... | unknown | unknown | [`useToggler` hook > `useSet` hook]
## `useSet` hook
Similar to `useMap`, the `useSet` hook creates a stateful `Set` object and a set of functions to manipulate it. The implementation is very similar to the previous hook, but instead of using a `Map`, you use a `Set`.
```jsx
const useSet = initialValue => {
const [... | [`useToggler` hook > `useSet` hook]
## `useSet` hook
Similar to `useMap`, the `useSet` hook creates a stateful `Set` object and a set of functions to manipulate it. The implementation is very similar to the previous hook, but instead of using a `Map`, you use a `Set`.
```jsx
const useSet = initialValue => {
const [... | code_snippets | ||
b8aa8ab4-01ba-49bf-af4f-7f52a378cb90 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/advanced-react-state-hooks.md | unknown | abae0ef6-c124-45c4-bf5a-502cd9165bac | 1 | SemanticChunker@1.0.0 | ae024d83a7281a0523acc7ea46bccc6b72b1c4cdcf002902cc25eee1709ffd1e | [`useToggler` hook]
## `useToggler` hook
Starting off with a simple one, the `useToggler` hook provides a **boolean state variable** that can be toggled between its two states. Instead of managing the state manually, you can simply call the `toggleValue` function to toggle the state.
The implementation is rather sim... | unknown | unknown | [`useToggler` hook]
## `useToggler` hook
Starting off with a simple one, the `useToggler` hook provides a **boolean state variable** that can be toggled between its two states. Instead of managing the state manually, you can simply call the `toggleValue` function to toggle the state.
The implementation is rather sim... | [`useToggler` hook]
## `useToggler` hook
Starting off with a simple one, the `useToggler` hook provides a **boolean state variable** that can be toggled between its two states. Instead of managing the state manually, you can simply call the `toggleValue` function to toggle the state.
The implementation is rather sim... | code_snippets | ||
c148a6b0-8c9c-49e6-a762-f50fd1eabb3f | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/advanced-react-state-hooks.md | unknown | abae0ef6-c124-45c4-bf5a-502cd9165bac | 0 | SemanticChunker@1.0.0 | 52552f5589d787b5fbc6aecf9c3f8926db3b97354c85493353d3f64412332925 | ---
title: Advanced React state hooks
language: react
tags: [hooks,state,effect,callback]
cover: engine
excerpt: Is `useState()` too limited for you? Perhaps `useReducer()` doesn't quite cut it either? Let's explore some advanced state management hooks.
listed: true
dateModified: 2024-07-03
---
React's toolbox is inte... | unknown | unknown | ---
title: Advanced React state hooks
language: react
tags: [hooks,state,effect,callback]
cover: engine
excerpt: Is `useState()` too limited for you? Perhaps `useReducer()` doesn't quite cut it either? Let's explore some advanced state management hooks.
listed: true
dateModified: 2024-07-03
---
React's toolbox is inte... | ---
title: Advanced React state hooks
language: react
tags: [hooks,state,effect,callback]
cover: engine
excerpt: Is `useState()` too limited for you? Perhaps `useReducer()` doesn't quite cut it either? Let's explore some advanced state management hooks.
listed: true
dateModified: 2024-07-03
---
React's toolbox is inte... | code_snippets | ||
c323fdff-8d19-4c0e-b2f8-8b627432955f | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/advanced-react-state-hooks.md | unknown | abae0ef6-c124-45c4-bf5a-502cd9165bac | 8 | SemanticChunker@1.0.0 | d27d9160327e06fe99258e3e690ca7cee162c20be49cd14de5c7e9d739de8671 | [`useToggler` hook > `useDebounce` hook]
## `useDebounce` hook
Similar to the `usePrevious` hook, the `useDebounce` hook is a custom hook that **debounces the given value**. It takes a `value` and a `delay` and returns the debounced value. It uses the `useState()` hook to store the debounced value and the `useEffect(... | unknown | unknown | [`useToggler` hook > `useDebounce` hook]
## `useDebounce` hook
Similar to the `usePrevious` hook, the `useDebounce` hook is a custom hook that **debounces the given value**. It takes a `value` and a `delay` and returns the debounced value. It uses the `useState()` hook to store the debounced value and the `useEffect(... | [`useToggler` hook > `useDebounce` hook]
## `useDebounce` hook
Similar to the `usePrevious` hook, the `useDebounce` hook is a custom hook that **debounces the given value**. It takes a `value` and a `delay` and returns the debounced value. It uses the `useState()` hook to store the debounced value and the `useEffect(... | code_snippets | ||
f3ccb8d9-a3b1-4ffb-a66f-05896637bfb2 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/advanced-react-state-hooks.md | unknown | abae0ef6-c124-45c4-bf5a-502cd9165bac | 10 | SemanticChunker@1.0.0 | 1f080266c6268e372681bc603fb0195f9d7c9b9be1a3d01a9bf84fb5740a9e6e | [`useToggler` hook > `useForm` hook]
## `useForm` hook
Last but not least, the `useForm` hook can be used to create a stateful value from the **fields in a form**. It uses the `useState()` hook to create a state variable for the values in the form and a function that will be called with an appropriate event by a form... | unknown | unknown | [`useToggler` hook > `useForm` hook]
## `useForm` hook
Last but not least, the `useForm` hook can be used to create a stateful value from the **fields in a form**. It uses the `useState()` hook to create a state variable for the values in the form and a function that will be called with an appropriate event by a form... | [`useToggler` hook > `useForm` hook]
## `useForm` hook
Last but not least, the `useForm` hook can be used to create a stateful value from the **fields in a form**. It uses the `useState()` hook to create a state variable for the values in the form and a function that will be called with an appropriate event by a form... | code_snippets | ||
144aa89c-2e94-4aaf-a0de-19ae0c0b4317 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/swap-variables.md | unknown | a5ae6a84-b391-4d23-80bd-b510413d183c | 2 | SemanticChunker@1.0.0 | 00ded20d30d779f24a035ba315737eff3a6dddc556247d7b8c7dba0b5d3f2bbe | [Using a temporary variable > Without a temporary variable (Tuple swap)]
## Without a temporary variable (Tuple swap)
Another way to swap the values of two variables, without using a temporary variable, is to use **tuple packing** and **sequence unpacking**. Tuples can be constructed in a number of ways, one of which... | unknown | unknown | [Using a temporary variable > Without a temporary variable (Tuple swap)]
## Without a temporary variable (Tuple swap)
Another way to swap the values of two variables, without using a temporary variable, is to use **tuple packing** and **sequence unpacking**. Tuples can be constructed in a number of ways, one of which... | [Using a temporary variable > Without a temporary variable (Tuple swap)]
## Without a temporary variable (Tuple swap)
Another way to swap the values of two variables, without using a temporary variable, is to use **tuple packing** and **sequence unpacking**. Tuples can be constructed in a number of ways, one of which... | code_snippets | ||
7b7ef8ff-b08a-4798-b487-0768cbf50d33 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/swap-variables.md | unknown | a5ae6a84-b391-4d23-80bd-b510413d183c | 1 | SemanticChunker@1.0.0 | 1da6b9811378b442197c3ae2451b3ec74955dcc7433279687c0d1d9b1a395377 | [Using a temporary variable]
## Using a temporary variable
The simplest way to swap the values of two variables is using a `temp` variable. The `temp` variables is used to store the value of the fist variable (`temp = a`). This allows you to swap the value of the two variables (`a = b`) and then assign the value of `... | unknown | unknown | [Using a temporary variable]
## Using a temporary variable
The simplest way to swap the values of two variables is using a `temp` variable. The `temp` variables is used to store the value of the fist variable (`temp = a`). This allows you to swap the value of the two variables (`a = b`) and then assign the value of `... | [Using a temporary variable]
## Using a temporary variable
The simplest way to swap the values of two variables is using a `temp` variable. The `temp` variables is used to store the value of the fist variable (`temp = a`). This allows you to swap the value of the two variables (`a = b`) and then assign the value of `... | code_snippets | ||
d8e94f09-114d-450b-8c23-417fae1aa1e5 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/swap-variables.md | unknown | a5ae6a84-b391-4d23-80bd-b510413d183c | 0 | SemanticChunker@1.0.0 | 4cf17b4a8e8832184e4320e7be480023fcc017f0b063633727ce314546dd7eef | ---
title: 3 ways to swap two variables in Python
shortTitle: Variable swapping
language: python
tags: [variables]
cover: leaves-read
excerpt: Learn 3 easy ways to swap the values of two variables in Python.
listed: false
dateModified: 2021-11-07
--- | unknown | unknown | ---
title: 3 ways to swap two variables in Python
shortTitle: Variable swapping
language: python
tags: [variables]
cover: leaves-read
excerpt: Learn 3 easy ways to swap the values of two variables in Python.
listed: false
dateModified: 2021-11-07
--- | ---
title: 3 ways to swap two variables in Python
shortTitle: Variable swapping
language: python
tags: [variables]
cover: leaves-read
excerpt: Learn 3 easy ways to swap the values of two variables in Python.
listed: false
dateModified: 2021-11-07
--- | code_snippets | ||
ee9e07c6-3d25-4606-a9db-031c77614aad | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/python/s/swap-variables.md | unknown | a5ae6a84-b391-4d23-80bd-b510413d183c | 3 | SemanticChunker@1.0.0 | fe756b712fc807bddaebb87ad24f038881c0e2a7bbbadcaa0b329635f2065f28 | [Using a temporary variable > Using arithmetic operators (for numbers only)]
## Using arithmetic operators (for numbers only)
If the two variables are numbers, their values can be swapped using arithmetic operators such as addition and subtraction (`+`, `-`) or multiplication and division (`*`, `/`). This swapping me... | unknown | unknown | [Using a temporary variable > Using arithmetic operators (for numbers only)]
## Using arithmetic operators (for numbers only)
If the two variables are numbers, their values can be swapped using arithmetic operators such as addition and subtraction (`+`, `-`) or multiplication and division (`*`, `/`). This swapping me... | [Using a temporary variable > Using arithmetic operators (for numbers only)]
## Using arithmetic operators (for numbers only)
If the two variables are numbers, their values can be swapped using arithmetic operators such as addition and subtraction (`+`, `-`) or multiplication and division (`*`, `/`). This swapping me... | code_snippets | ||
080ab98d-d272-477a-b86d-5ff50d12bc46 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/mailto-callto.md | unknown | 235a7300-30e3-4cfb-9e08-5ff88bca8fa9 | 1 | SemanticChunker@1.0.0 | d846cc10a448479868657902729664b218d1074d6bd088b208be8ad670dbace8 | [Email link]
## Email link
For the **email link**, you'll use a link (`<a>`) element with the `mailto:` scheme. This scheme allows you to create a link that, when clicked, will open the user's **default email client** with the recipient's email address already filled in. You can also pre-fill the `subject` and `body`... | unknown | unknown | [Email link]
## Email link
For the **email link**, you'll use a link (`<a>`) element with the `mailto:` scheme. This scheme allows you to create a link that, when clicked, will open the user's **default email client** with the recipient's email address already filled in. You can also pre-fill the `subject` and `body`... | [Email link]
## Email link
For the **email link**, you'll use a link (`<a>`) element with the `mailto:` scheme. This scheme allows you to create a link that, when clicked, will open the user's **default email client** with the recipient's email address already filled in. You can also pre-fill the `subject` and `body`... | code_snippets | ||
19d12ee5-bccc-4d05-8ac4-feb47c0413c9 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/mailto-callto.md | unknown | 235a7300-30e3-4cfb-9e08-5ff88bca8fa9 | 2 | SemanticChunker@1.0.0 | 9d6bd592acb6616ad18797368a7812ee2b5db395848dfdec3603005f59e16b64 | [Email link > Callable telephone link]
## Callable telephone link
Similar to the email link, the **callable telephone link** uses a link (`<a>`) element with the `tel:` scheme. This scheme allows you to create a link that, when clicked, will open the user's **default phone app** with the recipient's phone number alre... | unknown | unknown | [Email link > Callable telephone link]
## Callable telephone link
Similar to the email link, the **callable telephone link** uses a link (`<a>`) element with the `tel:` scheme. This scheme allows you to create a link that, when clicked, will open the user's **default phone app** with the recipient's phone number alre... | [Email link > Callable telephone link]
## Callable telephone link
Similar to the email link, the **callable telephone link** uses a link (`<a>`) element with the `tel:` scheme. This scheme allows you to create a link that, when clicked, will open the user's **default phone app** with the recipient's phone number alre... | code_snippets | ||
a3882cb9-efd8-408d-a643-110b42a50be9 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/mailto-callto.md | unknown | 235a7300-30e3-4cfb-9e08-5ff88bca8fa9 | 0 | SemanticChunker@1.0.0 | 59742a9937ecc6f3fd524616ca3ba0e5cd57b9505526d88abdabbe91c60918f8 | ---
title: Email and callable telephone links
language: react
tags: [components]
cover: rabbit-call
excerpt: Render links formatted to send an email (`mailto:` link) or call a phone number (`tel:` link).
listed: true
dateModified: 2024-06-21
---
Contact links are just about one of the most ubiquitous elements on the w... | unknown | unknown | ---
title: Email and callable telephone links
language: react
tags: [components]
cover: rabbit-call
excerpt: Render links formatted to send an email (`mailto:` link) or call a phone number (`tel:` link).
listed: true
dateModified: 2024-06-21
---
Contact links are just about one of the most ubiquitous elements on the w... | ---
title: Email and callable telephone links
language: react
tags: [components]
cover: rabbit-call
excerpt: Render links formatted to send an email (`mailto:` link) or call a phone number (`tel:` link).
listed: true
dateModified: 2024-06-21
---
Contact links are just about one of the most ubiquitous elements on the w... | code_snippets | ||
6294b4e9-b2a0-4188-86a1-9eaead6b3c82 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/lifecycle-hooks.md | unknown | 50cc6c58-4d61-438e-babf-dd2f3b9168d0 | 2 | SemanticChunker@1.0.0 | 47a183d4383d11e836fc81d116ea365e3b2bb15146a4ce7e0f7bd30b3c5aa238 | [`useComponentDidMount` hook > `useComponentDidUpdate` hook]
## `useComponentDidUpdate` hook
For the `componentDidUpdate` lifecycle method, you can use the `useEffect()` hook with a condition as the second argument. This will execute the provided callback **every time** the condition changes.
In order to replicate t... | unknown | unknown | [`useComponentDidMount` hook > `useComponentDidUpdate` hook]
## `useComponentDidUpdate` hook
For the `componentDidUpdate` lifecycle method, you can use the `useEffect()` hook with a condition as the second argument. This will execute the provided callback **every time** the condition changes.
In order to replicate t... | [`useComponentDidMount` hook > `useComponentDidUpdate` hook]
## `useComponentDidUpdate` hook
For the `componentDidUpdate` lifecycle method, you can use the `useEffect()` hook with a condition as the second argument. This will execute the provided callback **every time** the condition changes.
In order to replicate t... | code_snippets | ||
6963511e-aadd-4c53-a115-64399038dd3d | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/lifecycle-hooks.md | unknown | 50cc6c58-4d61-438e-babf-dd2f3b9168d0 | 0 | SemanticChunker@1.0.0 | 9aa3a36d828969e681aee482071bbae5726af9e7da240f12a934ea7ec62a642c | ---
title: How can I implement React's lifecycle methods using hooks?
shortTitle: Lifecycle hooks
language: react
tags: [hooks,effect]
cover: green-cabin-cow
excerpt: If you're transitioning from class components to functional components, you can replicate the behavior of lifecycle methods using hooks.
listed: true
dat... | unknown | unknown | ---
title: How can I implement React's lifecycle methods using hooks?
shortTitle: Lifecycle hooks
language: react
tags: [hooks,effect]
cover: green-cabin-cow
excerpt: If you're transitioning from class components to functional components, you can replicate the behavior of lifecycle methods using hooks.
listed: true
dat... | ---
title: How can I implement React's lifecycle methods using hooks?
shortTitle: Lifecycle hooks
language: react
tags: [hooks,effect]
cover: green-cabin-cow
excerpt: If you're transitioning from class components to functional components, you can replicate the behavior of lifecycle methods using hooks.
listed: true
dat... | code_snippets | ||
bd4625cf-fcf2-448e-be80-bb5fbf7f5bea | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/lifecycle-hooks.md | unknown | 50cc6c58-4d61-438e-babf-dd2f3b9168d0 | 3 | SemanticChunker@1.0.0 | d309b630b3d3a630b70b3901e2fd17ada0f39891d45fa402fa1b5832dd6190cf | [`useComponentDidMount` hook > `useComponentWillUnmount` hook]
## `useComponentWillUnmount` hook
Finally, for the `componentWillUnmount` lifecycle method, you can use the `useEffect()` hook with an empty array as the second argument. Return the provided callback to be executed only once **before cleanup**.
```jsx
co... | unknown | unknown | [`useComponentDidMount` hook > `useComponentWillUnmount` hook]
## `useComponentWillUnmount` hook
Finally, for the `componentWillUnmount` lifecycle method, you can use the `useEffect()` hook with an empty array as the second argument. Return the provided callback to be executed only once **before cleanup**.
```jsx
co... | [`useComponentDidMount` hook > `useComponentWillUnmount` hook]
## `useComponentWillUnmount` hook
Finally, for the `componentWillUnmount` lifecycle method, you can use the `useEffect()` hook with an empty array as the second argument. Return the provided callback to be executed only once **before cleanup**.
```jsx
co... | code_snippets | ||
ca692eab-5e51-40d0-9b76-aee1b16e8e75 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/lifecycle-hooks.md | unknown | 50cc6c58-4d61-438e-babf-dd2f3b9168d0 | 1 | SemanticChunker@1.0.0 | 897f4502a27e02c7d755be16050aa38e60d9e9fcfbb98630cb382f65b25b4f32 | [`useComponentDidMount` hook]
## `useComponentDidMount` hook
For the `componentDidMount` lifecycle method, you can use the `useEffect()` hook with an empty array as the second argument. This will execute the provided callback only once when the **component is mounted**.
```jsx
const useComponentDidMount = onMountHan... | unknown | unknown | [`useComponentDidMount` hook]
## `useComponentDidMount` hook
For the `componentDidMount` lifecycle method, you can use the `useEffect()` hook with an empty array as the second argument. This will execute the provided callback only once when the **component is mounted**.
```jsx
const useComponentDidMount = onMountHan... | [`useComponentDidMount` hook]
## `useComponentDidMount` hook
For the `componentDidMount` lifecycle method, you can use the `useEffect()` hook with an empty array as the second argument. This will execute the provided callback only once when the **component is mounted**.
```jsx
const useComponentDidMount = onMountHan... | code_snippets | ||
11ca4ba7-d673-402a-b161-36f2cb800f35 | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/limited-textarea.md | unknown | 1aeea2f2-0803-4e44-bf4d-28c684eadd26 | 4 | SemanticChunker@1.0.0 | 300bf854ca60482075a6e10cfa20302167424f5d3835c1a2ad2b2f3a53068a6f | [Uncontrolled textarea element > Limited word textarea]
## Limited word textarea
Similarly, we can create a `<textarea>` component with a **word limit**. The implementation is much the same as before, except that we use `String.prototype.split()` to turn the input into an array of words. The `setFormattedContent` met... | unknown | unknown | [Uncontrolled textarea element > Limited word textarea]
## Limited word textarea
Similarly, we can create a `<textarea>` component with a **word limit**. The implementation is much the same as before, except that we use `String.prototype.split()` to turn the input into an array of words. The `setFormattedContent` met... | [Uncontrolled textarea element > Limited word textarea]
## Limited word textarea
Similarly, we can create a `<textarea>` component with a **word limit**. The implementation is much the same as before, except that we use `String.prototype.split()` to turn the input into an array of words. The `setFormattedContent` met... | code_snippets | ||
6af2f0db-d71d-4247-9ad3-0f69cedcf02e | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/limited-textarea.md | unknown | 1aeea2f2-0803-4e44-bf4d-28c684eadd26 | 3 | SemanticChunker@1.0.0 | ae8bbb38c8a8f9082cfa94fb50fc7f0893d309684692f9bb98a24777da659efb | [Uncontrolled textarea element > Limited character textarea]
## Limited character textarea
Expanding upon the controlled `<textarea>` component, we can add a **character limit** to it. The `useState()` hook is used to create the `content` state variable, which is set to the `value` prop trimmed down to `limit` charac... | unknown | unknown | [Uncontrolled textarea element > Limited character textarea]
## Limited character textarea
Expanding upon the controlled `<textarea>` component, we can add a **character limit** to it. The `useState()` hook is used to create the `content` state variable, which is set to the `value` prop trimmed down to `limit` charac... | [Uncontrolled textarea element > Limited character textarea]
## Limited character textarea
Expanding upon the controlled `<textarea>` component, we can add a **character limit** to it. The `useState()` hook is used to create the `content` state variable, which is set to the `value` prop trimmed down to `limit` charac... | code_snippets | ||
7b2d7d96-29aa-4d30-8761-0d717bb8f21f | unknown | file:///home/sanjeev/Downloads/depthapi/datasets/30-seconds-of-code/content/snippets/react/s/limited-textarea.md | unknown | 1aeea2f2-0803-4e44-bf4d-28c684eadd26 | 2 | SemanticChunker@1.0.0 | ab7c9cf700e406fc13ce842806bdc7744e990e37d4a92a499806109633c887e3 | [Uncontrolled textarea element > Controlled textarea element]
## Controlled textarea element
A **controlled** `<textarea>` component instead uses the `value` prop to manage the input field's value. The `onChange` event is used to update the `value` prop with the new value. Taking this a step further, we can use the `... | unknown | unknown | [Uncontrolled textarea element > Controlled textarea element]
## Controlled textarea element
A **controlled** `<textarea>` component instead uses the `value` prop to manage the input field's value. The `onChange` event is used to update the `value` prop with the new value. Taking this a step further, we can use the `... | [Uncontrolled textarea element > Controlled textarea element]
## Controlled textarea element
A **controlled** `<textarea>` component instead uses the `value` prop to manage the input field's value. The `onChange` event is used to update the `value` prop with the new value. Taking this a step further, we can use the `... | code_snippets |
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