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Django, Pandas, and Chart.js for a quick dashboard | by Shane Gary | Towards Data Science | Today we will talk about how to use Django, Pandas, and Chart.js together to throw up a quick dashboard. This will not be a Django tutorial, and I am taking some shortcuts here. The goal is to show you how to start using these tools together to quickly display some data. This is best applied when you need to get someth... | [
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"text": "Today we will talk about how to use Django, Pandas, and Chart.js together to throw up a quick dashboard. This will not be a Django tutorial, and I am taking some shortcuts here. The goal is to show you how to start using these tools together to quickly di... |
Batch Script - Variables | There are two types of variables in batch files. One is for parameters which can be passed when the batch file is called and the other is done via the set command.
Batch scripts support the concept of command line arguments wherein arguments can be passed to the batch file when invoked. The arguments can be called from... | [
{
"code": null,
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"text": "There are two types of variables in batch files. One is for parameters which can be passed when the batch file is called and the other is done via the set command."
},
{
"code": null,
"e": 2551,
"s": 2333,
"text": "Batch scripts supp... |
The handling missing values exclusive pythonic guide | by Philippe Bouaziz,Data Scientist at Africa4Data,PhD | Towards Data Science | Handling missing values is a key step in exploratory data analysis (EDA) for most data science projects whether your developing machine learning models or business analytics. Most libraries including scikit-learn don’t build a model using data with missing values. Due to the high quantity of data, finding tricks for ge... | [
{
"code": null,
"e": 734,
"s": 172,
"text": "Handling missing values is a key step in exploratory data analysis (EDA) for most data science projects whether your developing machine learning models or business analytics. Most libraries including scikit-learn don’t build a model using data with missin... |
Find all occurrences of a given word in a matrix - GeeksforGeeks | 31 Mar, 2022
Given a 2D grid of characters and a word, find all occurrences of given word in grid. A word can be matched in all 8 directions at any point. Word is said be found in a direction if all characters match in this direction (not in zig-zag form). The solution should print all coordinates if a cycle is found. ... | [
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"s": 24309,
"text": "\n31 Mar, 2022"
},
{
"code": null,
"e": 24759,
"s": 24337,
"text": "Given a 2D grid of characters and a word, find all occurrences of given word in grid. A word can be matched in all 8 directions at any point. Word is said be found... |
jQuery | parent() & parents() with Examples | 03 Aug, 2021
The parent() is an inbuilt method in jQuery which is used to find the parent element related to the selected element. This parent() method in jQuery traverse a single level up the selected element and return that element.Syntax:
$(selector).parent()
Here selector is the selected elements whose parent need... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n03 Aug, 2021"
},
{
"code": null,
"e": 257,
"s": 28,
"text": "The parent() is an inbuilt method in jQuery which is used to find the parent element related to the selected element. This parent() method in jQuery traverse a single level up... |
Quantitative Aptitude - GeeksforGeeks | 28 Nov, 2021
Woman Child Earns
6 + 4 = 10
| | |60%
__ max 6 = 16
Writing code in comment? Please use ide.geeksforgeeks.org, generate link and share the link here. | [
{
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"text": "\n28 Nov, 2021"
},
{
"code": null,
"e": 29603,
"s": 29498,
"text": "Woman Child Earns\n 6 + 4 = 10\n | | |60%\n __ max 6 = 16\n"
}
] |
Maintain the aspect ratio of a div with CSS | 09 Jul, 2021
In order to maintain the aspect ratio of a div with CSS create flexible elements that keep their aspect ratio (4:3, 16:9, etc.) when resize the browser window.What is aspect ratio? The aspect ratio of an element describes the proportional relationship between its width and height. Two common video aspect r... | [
{
"code": null,
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"text": "\n09 Jul, 2021"
},
{
"code": null,
"e": 527,
"s": 28,
"text": "In order to maintain the aspect ratio of a div with CSS create flexible elements that keep their aspect ratio (4:3, 16:9, etc.) when resize the browser window.What is aspect r... |
Burst Balloon to maximize coins | 09 Aug, 2021
We have been given N balloons, each with a number of coins associated with it. On bursting a balloon i, the number of coins gained is equal to A[i-1]*A[i]*A[i+1]. Also, balloons i-1 and i+1 now become adjacent. Find the maximum possible profit earned after bursting all the balloons. Assume an extra 1 at ea... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n09 Aug, 2021"
},
{
"code": null,
"e": 382,
"s": 52,
"text": "We have been given N balloons, each with a number of coins associated with it. On bursting a balloon i, the number of coins gained is equal to A[i-1]*A[i]*A[i+1]. Also, ballo... |
vector rbegin() and rend() function in C++ STL | 09 Jun, 2022
vector::rbegin() is a built-in function in C++ STL which returns a reverse iterator pointing to the last element in the container. Syntax:
vector::rbegin() is a built-in function in C++ STL which returns a reverse iterator pointing to the last element in the container. Syntax:
vector_name.rbegin()
Para... | [
{
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},
{
"code": null,
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"text": "vector::rbegin() is a built-in function in C++ STL which returns a reverse iterator pointing to the last element in the container. Syntax: "
},
{
"code": null,
"... |
Java Examples - Find common elements from arrays | How to find common elements from arrays ?
Following example shows how to find common elements from two arrays and store them in an array.
import java.util.ArrayList;
public class NewClass {
public static void main(String[] args) {
ArrayList objArray = new ArrayList();
ArrayList objArray2 = new ArrayList... | [
{
"code": null,
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"text": "How to find common elements from arrays ?"
},
{
"code": null,
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"text": "Following example shows how to find common elements from two arrays and store them in an array."
},
{
"code": null,
"e": 3036,
... |
SQL – SELECT FIRST | 14 May, 2021
In this article we are going to study the SELECT FIRST commands in SQL, as we all know that there is already a command for selecting all the rows from a table by “SELECT * FROM Table” but if we want to select only the top row, here SELECT FIRST comes into play. This FIRST query can be used for login relate... | [
{
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"text": "\n14 May, 2021"
},
{
"code": null,
"e": 504,
"s": 54,
"text": "In this article we are going to study the SELECT FIRST commands in SQL, as we all know that there is already a command for selecting all the rows from a table by “SELECT * FR... |
How to determine the content of HTML elements overflow or not ? | 18 Jun, 2019
Given an HTML element and the task is to determine whether its content is overflow or not using JavaScript.
Approach:
Select the element to check form overflow.
Check its style.overflow property, if it is ‘visible’ then the element is hidden.
Also, check if its clientWidth is less then scrollWidth or clien... | [
{
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"text": "\n18 Jun, 2019"
},
{
"code": null,
"e": 136,
"s": 28,
"text": "Given an HTML element and the task is to determine whether its content is overflow or not using JavaScript."
},
{
"code": null,
"e": 146,
"s": 136,
"text":... |
How to find the unique values in a column of R dataframe? - GeeksforGeeks | 21 Apr, 2021
In this article, we will discuss how to find out the unique value in a column of dataframe in R Programming language. For this task, unique() function is used where the column name is passed for which unique values are to be printed.
Syntax: unique(x)
parameters:
x: data frame
For a column name select the ... | [
{
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"text": "\n21 Apr, 2021"
},
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"code": null,
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"text": "In this article, we will discuss how to find out the unique value in a column of dataframe in R Programming language. For this task, unique() function is used wher... |
Count set bits in an integer - GeeksforGeeks | 01 Mar, 2022
Write an efficient program to count the number of 1s in the binary representation of an integer.
Examples :
Input : n = 6
Output : 2
Binary representation of 6 is 110 and has 2 set bits
Input : n = 13
Output : 3
Binary representation of 13 is 1101 and has 3 set bits
1. Simple Method Loop through all ... | [
{
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"text": "\n01 Mar, 2022"
},
{
"code": null,
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"text": "Write an efficient program to count the number of 1s in the binary representation of an integer."
},
{
"code": null,
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"s": 26644,
"t... |
Java Program to Print the Elements of an Array Present on Odd Position - GeeksforGeeks | 27 Nov, 2020
An array stores the collection of data of the same type. It is a fixed-size sequential collection of elements of the same type. In an array, if there are “N” elements, the array iteration starts from 0 and ends with “N-1”.
The odd positions in the array are those with even indexing and vice versa.
Example:... | [
{
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"text": "\n27 Nov, 2020"
},
{
"code": null,
"e": 26900,
"s": 26677,
"text": "An array stores the collection of data of the same type. It is a fixed-size sequential collection of elements of the same type. In an array, if there are “N” eleme... |
Direction of a Point from a Line Segment - GeeksforGeeks | 24 Nov, 2021
Direction of given point P from a line segment simply means given the co-ordinates of a point P and line segment (say AB), and we have to determine the direction of point P from the line segment. That is whether the Point lies to the Right of Line Segment or to the Left of Line Segment.
The point might li... | [
{
"code": null,
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"s": 26191,
"text": "\n24 Nov, 2021"
},
{
"code": null,
"e": 26508,
"s": 26219,
"text": "Direction of given point P from a line segment simply means given the co-ordinates of a point P and line segment (say AB), and we have to determine the direction o... |
Print Binary Tree in 2-Dimensions - GeeksforGeeks | 14 Dec, 2021
Given a Binary Tree, print it in two dimension.Examples:
Input : Pointer to root of below tree
1
/ \
2 3
/ \ / \
4 5 6 7
Output :
7
3
6
1
5
2
... | [
{
"code": null,
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"text": "\n14 Dec, 2021"
},
{
"code": null,
"e": 26276,
"s": 26217,
"text": "Given a Binary Tree, print it in two dimension.Examples: "
},
{
"code": null,
"e": 26537,
"s": 26276,
"text": "Input : Pointer to root of belo... |
JQuery deferred.then() method - GeeksforGeeks | 16 Jul, 2020
This deferred.then() method in JQuery is used to add handlers which are to be called when the Deferred object is resolved, rejected, or in progress.
Syntax:
deferred.then(doneCallbacks[, failCallbacks][, progressCallbacks])
Parameters:
doneCallbacks: This is a function, or an array of functions, which is ... | [
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"text": "\n16 Jul, 2020"
},
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"text": "This deferred.then() method in JQuery is used to add handlers which are to be called when the Deferred object is resolved, rejected, or in progress."
},
{
... |
Minimum, maximum and average price values for all the items of given type - GeeksforGeeks | 28 Oct, 2019
Given a string array item[] and an integer array price[] where price[i] is the price of the item[i] when purchased from the ith shop. The task is find the lowest, the highest and the average price value for all the purchsed items.
Examples:
Input: item[] = {“toy”, “pen”, “notebook”, “pen”}, price[] = {2, 1... | [
{
"code": null,
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"text": "\n28 Oct, 2019"
},
{
"code": null,
"e": 26502,
"s": 26271,
"text": "Given a string array item[] and an integer array price[] where price[i] is the price of the item[i] when purchased from the ith shop. The task is find the lowest, ... |
p5.js | windowWidth - GeeksforGeeks | 15 Apr, 2019
The windowWidth variable in p5.js is a system variable that is used to store the width of the inner window and it maps to window.innerWidth.Syntax:
windowWidth
Parameters: This function does not accept any parameter.
Below program illustrates the windowWidth variable in p5.js:Example-1:
function setup() {... | [
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},
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"code": null,
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"text": "The windowWidth variable in p5.js is a system variable that is used to store the width of the inner window and it maps to window.innerWidth.Syntax:"
},
{
"... |
Swap Alternate Boundary Pairs - GeeksforGeeks | 26 Feb, 2021
Given an array arr[] of N integers, the task is to swap the first and the last element then the third and the third last element then fifth and fifth last and so on. Print the final array after all the valid operations.
Input: arr[] = {1, 2, 3, 4, 5, 6} Output: 6 2 4 3 5 1 Operation 1: Swap 1 and 6 Operat... | [
{
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"text": "\n26 Feb, 2021"
},
{
"code": null,
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"text": "Given an array arr[] of N integers, the task is to swap the first and the last element then the third and the third last element then fifth and fifth last and so o... |
ReactJS UI Ant Design Anchor Component - GeeksforGeeks | 30 May, 2021
Ant Design Library has this component pre-built, and it is very easy to integrate as well. Anchor Component is used to allow the hyperlinks to scroll on one page. It is useful when we want to display the anchor hyperlinks on the page and allow the user to jumps between them easily. We can use the following... | [
{
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"text": "\n30 May, 2021"
},
{
"code": null,
"e": 35851,
"s": 35483,
"text": "Ant Design Library has this component pre-built, and it is very easy to integrate as well. Anchor Component is used to allow the hyperlinks to scroll on one page. ... |
Linked complete binary tree & its creation - GeeksforGeeks | 10 Nov, 2020
A complete binary tree is a binary tree where each level ‘l’ except the last has 2^l nodes and the nodes at the last level are all left-aligned. Complete binary trees are mainly used in heap-based data structures. The nodes in the complete binary tree are inserted from left to right in one level at a time.... | [
{
"code": null,
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"s": 24832,
"text": "\n10 Nov, 2020"
},
{
"code": null,
"e": 25264,
"s": 24860,
"text": "A complete binary tree is a binary tree where each level ‘l’ except the last has 2^l nodes and the nodes at the last level are all left-aligned. Complete binary tr... |
Python - Join tuple elements in a list | In this article, we are going to learn how to join tuple elements in a list. It's a straightforward thing using join and map methods. Follow the below steps to complete the task.
Initialize list with tuples that contain strings.
Write a function called join_tuple_string that takes a tuple as arguments and return a stri... | [
{
"code": null,
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"text": "In this article, we are going to learn how to join tuple elements in a list. It's a straightforward thing using join and map methods. Follow the below steps to complete the task."
},
{
"code": null,
"e": 1291,
"s": 1241,
"text": "Ini... |
Hide scroll bar, but while still being able to scroll using CSS - GeeksforGeeks | 30 Jul, 2021
To hide the scrollbar use -webkit- because it is supported by major browsers (Google Chrome, Safari or newer versions of Opera). There are many other options for the other browsers which are listed below:
-webkit- (Chrome, Safari, newer versions of Opera):.element::-webkit-scrollbar { width: 0 !important }... | [
{
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"text": "\n30 Jul, 2021"
},
{
"code": null,
"e": 24564,
"s": 24359,
"text": "To hide the scrollbar use -webkit- because it is supported by major browsers (Google Chrome, Safari or newer versions of Opera). There are many other options for t... |
Check that the element is clickable or not in Selenium WebDriver | We can check if the element is clickable or not in Selenium webdriver using synchronization. In synchronization, there is an explicit wait where the driver waits till an expected condition for an element is met.
To verify, if the element can be clicked, we shall use the elementToBeClickable condition. A timeout excepti... | [
{
"code": null,
"e": 1274,
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"text": "We can check if the element is clickable or not in Selenium webdriver using synchronization. In synchronization, there is an explicit wait where the driver waits till an expected condition for an element is met."
},
{
"code": null,
"e": 1471... |
XML DOM - Add Node | In this chapter, we will discuss the nodes to the existing element. It provides a means to −
append new child nodes before or after the existing child nodes
append new child nodes before or after the existing child nodes
insert data within the text node
insert data within the text node
add attribute node
add attribute ... | [
{
"code": null,
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"text": "In this chapter, we will discuss the nodes to the existing element. It provides a means to −"
},
{
"code": null,
"e": 2445,
"s": 2381,
"text": "append new child nodes before or after the existing child nodes"
},
{
"code": nul... |
Grid Search with/without Sklearn code | Towards Data Science | Table of Contents 1. Introduction2. Grid Search without Sklearn Library3. Grid Search with Sklearn Library4. Grid Search with Validation Dataset5. Grid Search with Cross-Validation6. Customized Grid Search7. Different Cross-Validation types in Grid Search8. Nested Cross-Validation9. Summary
The model and the preprocess... | [
{
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"text": "Table of Contents 1. Introduction2. Grid Search without Sklearn Library3. Grid Search with Sklearn Library4. Grid Search with Validation Dataset5. Grid Search with Cross-Validation6. Customized Grid Search7. Different Cross-Validation types in Grid Search... |
Tryit Editor v3.7 | Tryit: HTML JavaScript | [] |
Julia - Files I/O | The functions namely open(), read(), and close() are the standard approach for extracting information from text files.
If you want to read text from a text file, you need to first obtain the file handle. It can be done with the help of open() function as follows −
foo = open("C://Users//Leekha//Desktop//NLP.txt")
It sh... | [
{
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"text": "The functions namely open(), read(), and close() are the standard approach for extracting information from text files."
},
{
"code": null,
"e": 2343,
"s": 2197,
"text": "If you want to read text from a text file, you need to first ob... |
HashSet vs TreeSet in Java - GeeksforGeeks | 14 Sep, 2021
When it comes to discussing differences between Set the firstmost thing that comes into play is the insertion order and how elements will be processed. HashSet in java is a class implementing the Set interface, backed by a hash table which is actually a HashMap instance. This class permits the null element... | [
{
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"text": "\n14 Sep, 2021"
},
{
"code": null,
"e": 25263,
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"text": "When it comes to discussing differences between Set the firstmost thing that comes into play is the insertion order and how elements will be processed. HashSet in ... |
SQLite - Constraints | Constraints are the rules enforced on a data columns on table. These are used to limit the type of data that can go into a table. This ensures the accuracy and reliability of the data in the database.
Constraints could be column level or table level. Column level constraints are applied only to one column, whereas tab... | [
{
"code": null,
"e": 2840,
"s": 2638,
"text": "Constraints are the rules enforced on a data columns on table. These are used to limit the type of data that can go into a table. This ensures the accuracy and reliability of the data in the database. "
},
{
"code": null,
"e": 3011,
"s":... |
How to catch StopIteration Exception in Python? | When an iterator is done, it’s next method raises StopIteration. This exception is not considered an error.
We re-write the given code as follows to catch the exception and know its type.
import sys
try:
z = [5, 9, 7]
i = iter(z)
print i
print i.next()
print i.next()
print i.next()
print i.next()
except Exception as e:... | [
{
"code": null,
"e": 1170,
"s": 1062,
"text": "When an iterator is done, it’s next method raises StopIteration. This exception is not considered an error."
},
{
"code": null,
"e": 1250,
"s": 1170,
"text": "We re-write the given code as follows to catch the exception and know its ... |
Scikit Learn - Boosting Methods | In this chapter, we will learn about the boosting methods in Sklearn, which enables building an ensemble model.
Boosting methods build ensemble model in an increment way. The main principle is to build the model incrementally by training each base model estimator sequentially. In order to build powerful ensemble, these... | [
{
"code": null,
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"text": "In this chapter, we will learn about the boosting methods in Sklearn, which enables building an ensemble model."
},
{
"code": null,
"e": 2734,
"s": 2333,
"text": "Boosting methods build ensemble model in an increment way. The main pr... |
Path with maximum product in 2-d array - GeeksforGeeks | 06 Apr, 2022
Given a 2D matrix of size N*M. The task is to find the maximum product path from (0, 0) to (N-1, M-1). You can only move to right from (i, j) to (i, j+1) and down from (i, j) to (i+1, j).Examples:
Input: arr[][] = { {1, 2, 3}, {4, 5, 6}, {7, 8, 9} } Output: 2016 The path with maximum product is : 1->4->7->... | [
{
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},
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"code": null,
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"text": "Given a 2D matrix of size N*M. The task is to find the maximum product path from (0, 0) to (N-1, M-1). You can only move to right from (i, j) to (i, j+1) and down ... |
Beginner to Advanced List Comprehension Practice Problems | by Terence Shin | Towards Data Science | Suppose I wanted to create a list of numbers from 1 to 1000 and wrote the following code...
Can you figure out what’s wrong with it?
numbers = []for i in range(1,1001): numbers.append(i)
Trick question. There’s nothing wrong with the code above, BUT there’s a better way to achieve the same result with a list comprehe... | [
{
"code": null,
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"text": "Suppose I wanted to create a list of numbers from 1 to 1000 and wrote the following code..."
},
{
"code": null,
"e": 305,
"s": 264,
"text": "Can you figure out what’s wrong with it?"
},
{
"code": null,
"e": 361,
"s": 30... |
C# Convert.ToInt32 Method | Use Convert.ToInt32 method to convert text to an integer.
Firstly, set a string.
string str = "12";
Now, use the Convert.ToInt32() method the above string to number.
Convert.ToInt32(str);
Let us see the complete example.
Live Demo
using System;
class Program {
static void Main() {
string str = "12";
Con... | [
{
"code": null,
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"text": "Use Convert.ToInt32 method to convert text to an integer."
},
{
"code": null,
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"s": 1120,
"text": "Firstly, set a string."
},
{
"code": null,
"e": 1162,
"s": 1143,
"text": "string str = \"12\";"
},
{... |
Java Program to append a row to a JTable in Java Swing | To append a row, you can use the addRow() method. Ley us first create a table wherein we need to append a row −
DefaultTableModel tableModel = new DefaultTableModel();
JTable table = new JTable(tableModel);
Add some columns to the table −
tableModel.addColumn("Language/ Technology");
tableModel.addColumn("Difficulty Le... | [
{
"code": null,
"e": 1174,
"s": 1062,
"text": "To append a row, you can use the addRow() method. Ley us first create a table wherein we need to append a row −"
},
{
"code": null,
"e": 1269,
"s": 1174,
"text": "DefaultTableModel tableModel = new DefaultTableModel();\nJTable table ... |
Python program to print odd numbers in a list | In this article, we will learn about the solution and approach to solve the given problem statement.
Given a list iterable as input, we need to display odd numbers in the given iterable.
Here we will be discussing three different approaches to solve this problem.
list1 = [11,23,45,23,64,22,11,24]
# iteration
for num in... | [
{
"code": null,
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"text": "In this article, we will learn about the solution and approach to solve the given problem statement."
},
{
"code": null,
"e": 1249,
"s": 1163,
"text": "Given a list iterable as input, we need to display odd numbers in the given itera... |
How to save matrix created in R as tables in a text file with column names same as the matrix? | Matrix data is sometimes need to be saved as table in text files, the reason behind this is storage capacity of text files. But when we save a matrix as text files in R, the column names are misplaced therefore we need to take care of those names and it can be done by setting column names to the desired value.
> M<-mat... | [
{
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"e": 1374,
"s": 1062,
"text": "Matrix data is sometimes need to be saved as table in text files, the reason behind this is storage capacity of text files. But when we save a matrix as text files in R, the column names are misplaced therefore we need to take care of those names and it... |
Print nodes in the Top View of Binary Tree | Set 3 - GeeksforGeeks | 13 Feb, 2022
Top view of a binary tree is the set of nodes visible when the tree is viewed from the top. Given a binary tree, print the top view of it. The output nodes can be printed in any order. Expected time complexity is O(n)
A node x is there in output if x is the topmost node at its horizontal distance. Horizont... | [
{
"code": null,
"e": 25314,
"s": 25286,
"text": "\n13 Feb, 2022"
},
{
"code": null,
"e": 25532,
"s": 25314,
"text": "Top view of a binary tree is the set of nodes visible when the tree is viewed from the top. Given a binary tree, print the top view of it. The output nodes can be ... |
Bitwise XOR of all unordered pairs from a given array - GeeksforGeeks | 26 Jul, 2021
Given an array arr[] of size N, the task is to find the bitwise XOR of all possible unordered pairs of the given array.
Examples:
Input: arr[] = {1, 5, 3, 7}Output: 0Explanation:All possible unordered pairs are (1, 5), (1, 3), (1, 7), (5, 3), (5, 7), (3, 7)Bitwise XOR of all possible pairs are = 1 ^ 5 ^ 1... | [
{
"code": null,
"e": 25375,
"s": 25347,
"text": "\n26 Jul, 2021"
},
{
"code": null,
"e": 25496,
"s": 25375,
"text": "Given an array arr[] of size N, the task is to find the bitwise XOR of all possible unordered pairs of the given array. "
},
{
"code": null,
"e": 25506... |
Run Python script from Node.js using child process spawn() method? | NodeJs and Python are two main preferred languages among developers and web designers. But there are couple of areas where NodeJs fall short of python are numerical and scientic computation (AI, Machine learning, deep learning etc.). Whereas python provides lots of libraries to work with scientific computing lot easier... | [
{
"code": null,
"e": 1384,
"s": 1062,
"text": "NodeJs and Python are two main preferred languages among developers and web designers. But there are couple of areas where NodeJs fall short of python are numerical and scientic computation (AI, Machine learning, deep learning etc.). Whereas python prov... |
Error Handling in Python using Decorators - GeeksforGeeks | 21 Sep, 2021
Decorators in Python is one of the most useful concepts supported by Python. It takes functions as arguments and also has a nested function. They extend the functionality of the nested function.
Example:
Python3
# defining decorator functiondef decorator_example(func): print("Decorator called") # de... | [
{
"code": null,
"e": 25561,
"s": 25533,
"text": "\n21 Sep, 2021"
},
{
"code": null,
"e": 25757,
"s": 25561,
"text": "Decorators in Python is one of the most useful concepts supported by Python. It takes functions as arguments and also has a nested function. They extend the functi... |
Analysis of Algorithms - GeeksforGeeks | 29 Jul, 2021
Let the three pegs be A, B and C. The goal is to move n pegs from A to C.
To move n discs from peg A to peg C:
move n-1 discs from A to B. This leaves disc n alone on peg A
move disc n from A to C
move n?1 discs from B to C so they sit on disc n
f1(n) = 2^n
f2(n) = n^(3/2)
f3(n) = nLogn
... | [
{
"code": null,
"e": 35737,
"s": 35709,
"text": "\n29 Jul, 2021"
},
{
"code": null,
"e": 35995,
"s": 35737,
"text": "Let the three pegs be A, B and C. The goal is to move n pegs from A to C.\nTo move n discs from peg A to peg C:\n move n-1 discs from A to B. This leaves disc n... |
is_arithmetic Template in C++ - GeeksforGeeks | 19 Nov, 2018
The std::is_arithmetic templateof C++ STL is used to check whether the given type is arithmetic or not. An Arithmetic type means an integral type or a floating-point type. It returns a boolean value showing the same.
Syntax:
template <class T> struct is_arithmetic;
Parameters: This template accepts a singl... | [
{
"code": null,
"e": 25343,
"s": 25315,
"text": "\n19 Nov, 2018"
},
{
"code": null,
"e": 25560,
"s": 25343,
"text": "The std::is_arithmetic templateof C++ STL is used to check whether the given type is arithmetic or not. An Arithmetic type means an integral type or a floating-poi... |
Maximum length substring with highest frequency in a string - GeeksforGeeks | 25 Oct, 2021
Given a string. The task is to find the maximum occurred substring with a maximum length. These occurrences can overlap.Examples:
Input: str = "abab"
Output: ab
"a", "b", "ab" are occur 2 times. But, "ab" has maximum length
Input: str = "abcd"
Output: a
Approach: The idea is to store the frequency of eac... | [
{
"code": null,
"e": 26509,
"s": 26481,
"text": "\n25 Oct, 2021"
},
{
"code": null,
"e": 26640,
"s": 26509,
"text": "Given a string. The task is to find the maximum occurred substring with a maximum length. These occurrences can overlap.Examples: "
},
{
"code": null,
... |
Plotting Data on Google Map using Python's pygmaps package - GeeksforGeeks | 15 Oct, 2020
pygmaps is a matplotlib-like interface to generate the HTML and javascript to render all the data users would like on top of Google Maps.
Command to install pygmaps :
pip install pygmaps (on windows)
sudo pip3 install pygmaps (on linix / unix)
Code #1 : To create a Base Map.
# import required packageimpo... | [
{
"code": null,
"e": 26609,
"s": 26581,
"text": "\n15 Oct, 2020"
},
{
"code": null,
"e": 26747,
"s": 26609,
"text": "pygmaps is a matplotlib-like interface to generate the HTML and javascript to render all the data users would like on top of Google Maps."
},
{
"code": nul... |
Java Program to Implement HashMap API - GeeksforGeeks | 11 Feb, 2021
HashMap<K, V> is a part of Java’s collection since Java 1.2. This class is found in java.util package. It provides the basic implementation of the Map interface of Java. It stores the data in (Key, Value) pairs, and you can access them by an index of another type (e.g. an Integer). One object is used as a ... | [
{
"code": null,
"e": 25225,
"s": 25197,
"text": "\n11 Feb, 2021"
},
{
"code": null,
"e": 25665,
"s": 25225,
"text": "HashMap<K, V> is a part of Java’s collection since Java 1.2. This class is found in java.util package. It provides the basic implementation of the Map interface of... |
Transform ggplot2 Plot Axis to log Scale in R - GeeksforGeeks | 17 Oct, 2021
In this article, we will discuss how to transform the ggplot2 Plot Axis to log Scale in the R Programming Language.
We can convert the axis data into the desired log scale using the scale_x_continous() function. We pass the desired log scale as argument trans and the data is transformed according to that ... | [
{
"code": null,
"e": 26355,
"s": 26327,
"text": "\n17 Oct, 2021"
},
{
"code": null,
"e": 26472,
"s": 26355,
"text": "In this article, we will discuss how to transform the ggplot2 Plot Axis to log Scale in the R Programming Language. "
},
{
"code": null,
"e": 26693,
... |
How to create linear-gradient color generator using HTML, CSS and JavaScript ? - GeeksforGeeks | 18 Mar, 2020
The background generator can be made by using HTML, CSS, and JavaScript. It will generate a gradient background based on the values that you select. We will add two files namely style.css and script.js to add CSS and JS to our HTML(index.html). We have used an empty h3 tag so that we can display the linear... | [
{
"code": null,
"e": 25967,
"s": 25939,
"text": "\n18 Mar, 2020"
},
{
"code": null,
"e": 26297,
"s": 25967,
"text": "The background generator can be made by using HTML, CSS, and JavaScript. It will generate a gradient background based on the values that you select. We will add tw... |
Double Tree - GeeksforGeeks | 10 May, 2022
Write a program that converts a given tree to its Double tree. To create Double tree of the given tree, create a new duplicate for each node, and insert the duplicate as the left child of the original node. So the tree...
2
/ \
1 3
is changed to...
2
/ \
2 3
/ /
1... | [
{
"code": null,
"e": 26115,
"s": 26087,
"text": "\n10 May, 2022"
},
{
"code": null,
"e": 26338,
"s": 26115,
"text": "Write a program that converts a given tree to its Double tree. To create Double tree of the given tree, create a new duplicate for each node, and insert the duplic... |
React Native ListView Component - GeeksforGeeks | 30 Jun, 2021
The ListView Component is an inbuilt React Native view component that displays a list of items in a vertically scrollable list. It requires a ListView.DataSource API to populate a simple array of data blobs and instantiate the ListView component with a data source and a renderRow callback.
The major advant... | [
{
"code": null,
"e": 26169,
"s": 26141,
"text": "\n30 Jun, 2021"
},
{
"code": null,
"e": 26460,
"s": 26169,
"text": "The ListView Component is an inbuilt React Native view component that displays a list of items in a vertically scrollable list. It requires a ListView.DataSource A... |
Hello World in C# - GeeksforGeeks | 17 Dec, 2019
The Hello World! program is the most basic and first program when you dive into a new programming language. This simply prints the Hello World! on the output screen. In C#, a basic program consists of the following:
A Namespace Declaration
Class Declaration & Definition
Class Members(like variables, method... | [
{
"code": null,
"e": 26549,
"s": 26521,
"text": "\n17 Dec, 2019"
},
{
"code": null,
"e": 26765,
"s": 26549,
"text": "The Hello World! program is the most basic and first program when you dive into a new programming language. This simply prints the Hello World! on the output scree... |
Python - Difference Between json.load() and json.loads() - GeeksforGeeks | 26 Nov, 2020
JSON (JavaScript Object Notation) is a script (executable) file which is made of text in a programming language, is used to store and transfer the data. It is a language-independent format and is very easy to understand since it is self-describing in nature. Python has a built-in package called json. In th... | [
{
"code": null,
"e": 25537,
"s": 25509,
"text": "\n26 Nov, 2020"
},
{
"code": null,
"e": 25994,
"s": 25537,
"text": "JSON (JavaScript Object Notation) is a script (executable) file which is made of text in a programming language, is used to store and transfer the data. It is a la... |
Maximize number of groups formed with size not smaller than its largest element - GeeksforGeeks | 22 Nov, 2021
Given an array arr[] of N positive integers(1 ≤ arr[i] ≤ N ), divide the elements of the array into groups such that the size of each group is greater than or equal to the largest element of that group. It may be also possible that an element cannot join any group. The task is to maximize the number of gro... | [
{
"code": null,
"e": 26141,
"s": 26113,
"text": "\n22 Nov, 2021"
},
{
"code": null,
"e": 26454,
"s": 26141,
"text": "Given an array arr[] of N positive integers(1 ≤ arr[i] ≤ N ), divide the elements of the array into groups such that the size of each group is greater than or equa... |
Deadlock Prevention And Avoidance - GeeksforGeeks | 21 Sep, 2021
Deadlock Characteristics As discussed in the previous post, deadlock has following characteristics.
Mutual ExclusionHold and WaitNo preemptionCircular wait
Mutual Exclusion
Hold and Wait
No preemption
Circular wait
Deadlock Prevention We can prevent Deadlock by eliminating any of the above four condition... | [
{
"code": null,
"e": 29429,
"s": 29401,
"text": "\n21 Sep, 2021"
},
{
"code": null,
"e": 29531,
"s": 29429,
"text": "Deadlock Characteristics As discussed in the previous post, deadlock has following characteristics. "
},
{
"code": null,
"e": 29587,
"s": 29531,
... |
Extract the HTML code of the given tag and its parent using BeautifulSoup - GeeksforGeeks | 16 Mar, 2021
In this article, we will discuss how to extract the HTML code of the given tag and its parent using BeautifulSoup.
First, we need to install all these modules on our computer.
BeautifulSoup: Our primary module contains a method to access a webpage over HTTP.
pip install bs4
lxml: Helper library to process ... | [
{
"code": null,
"e": 25537,
"s": 25509,
"text": "\n16 Mar, 2021"
},
{
"code": null,
"e": 25652,
"s": 25537,
"text": "In this article, we will discuss how to extract the HTML code of the given tag and its parent using BeautifulSoup."
},
{
"code": null,
"e": 25713,
... |
How to erase an element from a vector using erase() and reverse_iterator? - GeeksforGeeks | 10 Oct, 2019
Given a vector, the task is to erase an element from this vector using erase() and reverse_iterator.
Example:
Input: vector = {1, 4, 7, 10, 13, 16, 19}, element = 16
Output: 1 4 7 10 13 19
Input: vector = {99, 89, 79, 69, 59}, element = 89
Output: 99 79 69 59
Approach:
Get the vector and the element to b... | [
{
"code": null,
"e": 24124,
"s": 24096,
"text": "\n10 Oct, 2019"
},
{
"code": null,
"e": 24225,
"s": 24124,
"text": "Given a vector, the task is to erase an element from this vector using erase() and reverse_iterator."
},
{
"code": null,
"e": 24234,
"s": 24225,
... |
IntStream sorted() in Java - GeeksforGeeks | 06 Dec, 2018
IntStream sorted() returns a stream consisting of the elements of this stream in sorted order. It is a stateful intermediate operation i.e, it may incorporate state from previously seen elements when processing new elements. Stateful intermediate operations may need to process the entire input before produ... | [
{
"code": null,
"e": 23557,
"s": 23529,
"text": "\n06 Dec, 2018"
},
{
"code": null,
"e": 23992,
"s": 23557,
"text": "IntStream sorted() returns a stream consisting of the elements of this stream in sorted order. It is a stateful intermediate operation i.e, it may incorporate stat... |
How to know/change current directory in Python shell? | You can change directory or cd in Python using the os module. It takes as input the relative/absolute path of the directory you want to switch to.
>>> import os
>>> os.chdir('my_folder')
To know the current working directory or pwd use the os module.
>>> import os
>>> print(os.getcwd())
/home/ayush/qna | [
{
"code": null,
"e": 1209,
"s": 1062,
"text": "You can change directory or cd in Python using the os module. It takes as input the relative/absolute path of the directory you want to switch to."
},
{
"code": null,
"e": 1249,
"s": 1209,
"text": ">>> import os\n>>> os.chdir('my_fol... |
How to build a Gesture Controlled Web based Game using Tensorflow Object Detection Api | by Victor Dibia | Towards Data Science | Control the game paddle by waving your hand in front of your web cam.
With the TensorFlow object detection api, we have seen examples where models are trained to detect custom objects in images (e.g. detecting hands, toys, racoons, mac n cheese). Naturally, an interesting next step is to explore how these models can be... | [
{
"code": null,
"e": 241,
"s": 171,
"text": "Control the game paddle by waving your hand in front of your web cam."
},
{
"code": null,
"e": 560,
"s": 241,
"text": "With the TensorFlow object detection api, we have seen examples where models are trained to detect custom objects in... |
How to add Matplotlib Colorbar Ticks? | To add ticks to the colorbar, we can take the following steps −
Set the figure size and adjust the padding between and around the subplots.
Set the figure size and adjust the padding between and around the subplots.
Create x, y and z data points using numpy.
Create x, y and z data points using numpy.
Use imshow() metho... | [
{
"code": null,
"e": 1126,
"s": 1062,
"text": "To add ticks to the colorbar, we can take the following steps −"
},
{
"code": null,
"e": 1202,
"s": 1126,
"text": "Set the figure size and adjust the padding between and around the subplots."
},
{
"code": null,
"e": 1278,... |
What is the use of type = "h" in base R for plotting a graph? | The type = "h" is a graphing argument in base R which is generally used inside a plot function. It helps to generate the vertical lines in the R environment instead of points. For example, if we want to plot values from 1 to 10 then type = "h" will plot the vertical lines starting from X-axis and the upper end of the l... | [
{
"code": null,
"e": 1420,
"s": 1062,
"text": "The type = \"h\" is a graphing argument in base R which is generally used inside a plot function. It helps to generate the vertical lines in the R environment instead of points. For example, if we want to plot values from 1 to 10 then type = \"h\" will ... |
How to check the website status code using PowerShell? | Website status code is meant to be the status of the website as if the website request from the client is successful or not if the website is available or any error on the webpage which is causing the handshake failed with the client.
There are various website status codes. Please refer to the below link for them.
http... | [
{
"code": null,
"e": 1297,
"s": 1062,
"text": "Website status code is meant to be the status of the website as if the website request from the client is successful or not if the website is available or any error on the webpage which is causing the handshake failed with the client."
},
{
"cod... |
Bitwise Operators in C | Bitwise operators are used to perform bit-level operations on two variables. Here is the table of bitwise operators in C language,
Here is an example of bitwise operators in C language,
Live Demo
#include <stdio.h>
int main() {
int x = 10;
int y = 28;
int i = 0;
printf("Bitwise AND : %d\n", x&y);
printf... | [
{
"code": null,
"e": 1193,
"s": 1062,
"text": "Bitwise operators are used to perform bit-level operations on two variables. Here is the table of bitwise operators in C language,"
},
{
"code": null,
"e": 1248,
"s": 1193,
"text": "Here is an example of bitwise operators in C langua... |
CICS - Transactions | CICS transactions are used to perform multiple operations in the CICS region. We will be discussing the important CICS transactions supplied by IBM in detail.
CESN is known as CICS Execute Sign On.
CESN is used to Sign on to the CICS region.
CESN is used to Sign on to the CICS region.
We need to provide the User-Id and... | [
{
"code": null,
"e": 2085,
"s": 1926,
"text": "CICS transactions are used to perform multiple operations in the CICS region. We will be discussing the important CICS transactions supplied by IBM in detail."
},
{
"code": null,
"e": 2124,
"s": 2085,
"text": "CESN is known as CICS E... |
Delete all occurrences of a given key in a doubly linked list - GeeksforGeeks | 29 Oct, 2021
Given a doubly linked list and a key x. The problem is to delete all occurrences of the given key x from the doubly linked list.Examples:
Algorithm:
delAllOccurOfGivenKey(head_ref, x)
if head_ref == NULL
return
Initialize current = head_ref
Declare next
while current ... | [
{
"code": null,
"e": 25248,
"s": 25220,
"text": "\n29 Oct, 2021"
},
{
"code": null,
"e": 25387,
"s": 25248,
"text": "Given a doubly linked list and a key x. The problem is to delete all occurrences of the given key x from the doubly linked list.Examples: "
},
{
"code": nu... |
How to generate data with Union ALL and Insert ALL in Oracle? | Problem:
You wanted to know the difference between Union ALL and Insert ALL to generate small amounts of data.
Solution:
I have been recently generating small amounts of data for testing some functionality and came across a couple of options in Oracle. Union All and Insert All are two options commonly used for generati... | [
{
"code": null,
"e": 1071,
"s": 1062,
"text": "Problem:"
},
{
"code": null,
"e": 1173,
"s": 1071,
"text": "You wanted to know the difference between Union ALL and Insert ALL to generate small amounts of data."
},
{
"code": null,
"e": 1183,
"s": 1173,
"text": "... |
Function Overloading and Overriding in PHP | Function overloading is a feature that permits making creating several methods with a similar name that works differently from one another in the type of the input parameters it accepts as arguments.
Let us now see an example to implement function overloading−
Live Demo
<?php
class Shape {
const PI = 3.142 ;
... | [
{
"code": null,
"e": 1262,
"s": 1062,
"text": "Function overloading is a feature that permits making creating several methods with a similar name that works differently from one another in the type of the input parameters it accepts as arguments."
},
{
"code": null,
"e": 1323,
"s": 1... |
Python Pandas - Fill NaN values with the specified value in an Index object | To fill NaN values with the specified value in an Index object, use the index.fillna() method in Pandas. At first, import the required libraries −
import pandas as pd
import numpy as np
Creating Pandas index with some NaN values as well −
index = pd.Index([50, 10, 70, np.nan, 90, 50, np.nan, np.nan, 30])
Display the P... | [
{
"code": null,
"e": 1209,
"s": 1062,
"text": "To fill NaN values with the specified value in an Index object, use the index.fillna() method in Pandas. At first, import the required libraries −"
},
{
"code": null,
"e": 1248,
"s": 1209,
"text": "import pandas as pd\nimport numpy a... |
C# | Char.IsPunctuation() Method - GeeksforGeeks | 31 Jan, 2019
In C#, Char.IsPunctuation() is a System.Char struct method which is used to check whether an Unicode character can be categorized as a punctuation mark or not. This method can be overloaded by passing different type and number of arguments to it.
Char.IsPunctuation(Char) MethodChar.IsPunctuation(String, In... | [
{
"code": null,
"e": 23938,
"s": 23910,
"text": "\n31 Jan, 2019"
},
{
"code": null,
"e": 24185,
"s": 23938,
"text": "In C#, Char.IsPunctuation() is a System.Char struct method which is used to check whether an Unicode character can be categorized as a punctuation mark or not. Thi... |
Understanding Distributions using R | by Sowmya Krishnan | Towards Data Science | How do you communicate data-driven findings?
Data Visualizations!
There are various tools to achieve this and this article will be speaking of one such tool — R.
But even before we can start with visualizing data using R, there are certain concepts and terms we need to understand. By the end of this article, I hope you... | [
{
"code": null,
"e": 217,
"s": 172,
"text": "How do you communicate data-driven findings?"
},
{
"code": null,
"e": 238,
"s": 217,
"text": "Data Visualizations!"
},
{
"code": null,
"e": 334,
"s": 238,
"text": "There are various tools to achieve this and this ar... |
Amazon Interview Experience - GeeksforGeeks | 08 Mar, 2021
Hello Coders, This is my Interview Experience for the position of SDE1 at Amazon (2019).
Round 1(Online Round): 2 Coding Questions and 28 MCQ’s
Let 1 represent ‘A’, 2 represents ‘B’, etc. Given a digit sequence, count the number of possible decodings of the given digit sequence. (https://www.geeksforgeeks.... | [
{
"code": null,
"e": 25052,
"s": 25024,
"text": "\n08 Mar, 2021"
},
{
"code": null,
"e": 25141,
"s": 25052,
"text": "Hello Coders, This is my Interview Experience for the position of SDE1 at Amazon (2019)."
},
{
"code": null,
"e": 25196,
"s": 25141,
"text": "R... |
Gradient Descent Explained. A comprehensive guide to Gradient... | by Daksh Trehan | Towards Data Science | Optimization refers to the task of minimizing/maximizing an objective function f(x) parameterized by x. In machine/deep learning terminology, it’s the task of minimizing the cost/loss function J(w) parameterized by the model’s parameters w ∈ R^d. Optimization algorithms (in the case of minimization) have one of the fol... | [
{
"code": null,
"e": 506,
"s": 172,
"text": "Optimization refers to the task of minimizing/maximizing an objective function f(x) parameterized by x. In machine/deep learning terminology, it’s the task of minimizing the cost/loss function J(w) parameterized by the model’s parameters w ∈ R^d. Optimiza... |
Space Science with Python — A look at Kepler’s first law | Towards Data Science | This is the 2nd part of my Python tutorial series “Space Science with Python”. All codes that are shown here are uploaded on GitHub. Enjoy!
The orbit of a planet is an ellipse with the Sun at one of the two foci
This is the first (of three) Kepler’s laws of planetary motion. 400 years ago Johannes Kepler derived the la... | [
{
"code": null,
"e": 312,
"s": 172,
"text": "This is the 2nd part of my Python tutorial series “Space Science with Python”. All codes that are shown here are uploaded on GitHub. Enjoy!"
},
{
"code": null,
"e": 384,
"s": 312,
"text": "The orbit of a planet is an ellipse with the S... |
Predicting Invasive Ductal Carcinoma using Convolutional Neural Network (CNN) in Keras | by Bikram Baruah | Towards Data Science | In this blog, we will learn how to use CNN in a real world histopathology dataset. Real-world data requires a lot more preprocessing than standard datasets such as MNIST, and we will go through the process of making the data ready for classification and then use CNN to classify the images. I will also discuss the CNN a... | [
{
"code": null,
"e": 571,
"s": 171,
"text": "In this blog, we will learn how to use CNN in a real world histopathology dataset. Real-world data requires a lot more preprocessing than standard datasets such as MNIST, and we will go through the process of making the data ready for classification and t... |
Spring Boot Kafka Producer Example | Spring Boot KafkaTemplate | PROGRAMMINGJava ExamplesC Examples
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PHP
JQUERY
PROGRAMMINGJava ExamplesC Examples
Java Examples
C Examples
C Tutorials
aws
In this tutorial, we are going to see how to ... | [
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PHP String Data Type | In PHP, a string data type is a non-numeric sequence of charaters.Any character in the ASCII set can be a part of a string. PHP doesn't support UNICODE.
In PHP, literal representation of string can be done with single quotes, double quotes, with heredoc syntax and nowdoc syntax.
//Literal assignment of string value to ... | [
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},
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"code": null,
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"text": "In PHP, literal representatio... |
Get all rows in a Pandas DataFrame containing given substring - GeeksforGeeks | 24 Dec, 2018
Let’s see how to get all rows in a Pandas DataFrame containing given substring with the help of different examples.
Code #1: Check the values PG in column Position
# importing pandas import pandas as pd # Creating the dataframe with dict of listsdf = pd.DataFrame({'Name': ['Geeks', 'Peter', 'James', 'Jack... | [
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},
{
"code": null,
"e": 24581,
"s": 24465,
"text": "Let’s see how to get all rows in a Pandas DataFrame containing given substring with the help of different examples."
},
{
"code": null,
"e": 24629,
... |
script.aculo.us - Sorting Elements | Many times, you need to provide the user with the ability to reorder elements (such as items in a list) by dragging them.
Without drag and drop, reordering can be a nightmare, but script.aculo.us provides extended reordering support out of the box through the Sortable class. The element to become Sortable is passed to ... | [
{
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"s": 1868,
"text": "Many times, you need to provide the user with the ability to reorder elements (such as items in a list) by dragging them."
},
{
"code": null,
"e": 2235,
"s": 1990,
"text": "Without drag and drop, reordering can be a nightmare, but sc... |
Replace 0 with null in MySQL? | You can use NULLIF() from MySQL to replace 0 with NULL. The syntax is as follows −
SELECT *,NULLIF(yourColumnName,0) as anyVariableName from yourTableName;
To understand the above syntax, let us create a table. The query to create a table is as follows −
mysql> create table Replace0WithNULLDemo
-> (
-> Id int NOT... | [
{
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"text": "You can use NULLIF() from MySQL to replace 0 with NULL. The syntax is as follows −"
},
{
"code": null,
"e": 1218,
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"text": "SELECT *,NULLIF(yourColumnName,0) as anyVariableName from yourTableName;"
},
{
"code": null... |
Creating 3D Plots in R Programming - persp() Function - GeeksforGeeks | 10 Dec, 2021
3D plot in R Language is used to add title, change viewing direction, and add color and shade to the plot. The persp() function which is used to create 3D surfaces in perspective view. This function will draw perspective plots of a surface over the x–y plane. persp() is defines as a generic function. Moreo... | [
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},
{
"code": null,
"e": 25293,
"s": 24851,
"text": "3D plot in R Language is used to add title, change viewing direction, and add color and shade to the plot. The persp() function which is used to create 3D surfaces... |
SoapUI - Request & Response | Here, we will perform the conversion of the currency from INR to USD.
FromCurrency – INR
ToCurrency – USD
Next, enter these inputs in the place of the question mark which will be sent as a request XML. After placing those values into the corresponding XML tags, click 'Submit request' button to check the response.
Upon ... | [
{
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"text": "Here, we will perform the conversion of the currency from INR to USD."
},
{
"code": null,
"e": 2223,
"s": 2204,
"text": "FromCurrency – INR"
},
{
"code": null,
"e": 2240,
"s": 2223,
"text": "ToCurrency – USD"
},... |
C# | Math.Log() Method - GeeksforGeeks | 31 Jan, 2019
In C#, Math.Log() is a Math class method. It is used to return the logarithm of a specified number. This method can be overloaded by changing the number of the arguments passed. There are total 2 methods in the overload list of the Math.Log() method as follows:
Math.Log(Double) Method
Math.Log(Double, Doub... | [
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},
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"text": "In C#, Math.Log() is a Math class method. It is used to return the logarithm of a specified number. This method can be overloaded by changing the number of the arg... |
MapStruct - Mapping Nested Bean | MapStruct handles nested mapping seemlessly. For example, a Student with Subject as nested bean.
Now create a mapper interface which can map nested objects.
@Mapper
public interface StudentMapper {
@Mapping(target="className", source="classVal")
@Mapping(target="subject", source="subject.name")
Student getMode... | [
{
"code": null,
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"text": "MapStruct handles nested mapping seemlessly. For example, a Student with Subject as nested bean."
},
{
"code": null,
"e": 2417,
"s": 2357,
"text": "Now create a mapper interface which can map nested objects."
},
{
"code": nul... |
AngularJs Custom Service Example - onlinetutorialspoint | PROGRAMMINGJava ExamplesC Examples
Java Examples
C Examples
C Tutorials
aws
JAVAEXCEPTIONSCOLLECTIONSSWINGJDBC
EXCEPTIONS
COLLECTIONS
SWING
JDBC
JAVA 8
SPRING
SPRING BOOT
HIBERNATE
PYTHON
PHP
JQUERY
PROGRAMMINGJava ExamplesC Examples
Java Examples
C Examples
C Tutorials
aws
In the previous tutorials we have discussed a... | [
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... |
Get week of month and year using Java Calendar | For using Calendar class, import the following package.
import java.util.Calendar;
Create a Calendar class object.
Calendar cal = Calendar.getInstance();
Now, get the week of month and year using the following fields.
Calendar.WEEK_OF_MONTH
Calendar.WEEK_OF_YEAR
The following is an example.
Live Demo
import java.util.... | [
{
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"text": "For using Calendar class, import the following package."
},
{
"code": null,
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"text": "import java.util.Calendar;"
},
{
"code": null,
"e": 1177,
"s": 1145,
"text": "Create a Calendar class obje... |
Different ways to declare variable as constant in C and C++ - GeeksforGeeks | 21 Aug, 2019
There are many different ways to make the variable as constant
Using const keyword: The const keyword specifies that a variable or object value is constant and can’t be modified at the compilation time.// C program to demonstrate const specifier#include <stdio.h>int main(){ const int num = 1; num =... | [
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"text": "\n21 Aug, 2019"
},
{
"code": null,
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"text": "There are many different ways to make the variable as constant"
},
{
"code": null,
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"s": 24483,
"text": "Using const keyword: The co... |
123 Number Flip in Python | Suppose we have an integer n, where only 1, 2, and 3 these digits are present. We can flip one digit to a 3. Then find the maximum number we can make.
So, if the input is like 11332, then the output will be 31332
To solve this, we will follow these steps −
li := a list by digits of n
li := a list by digits of n
for x i... | [
{
"code": null,
"e": 1213,
"s": 1062,
"text": "Suppose we have an integer n, where only 1, 2, and 3 these digits are present. We can flip one digit to a 3. Then find the maximum number we can make."
},
{
"code": null,
"e": 1275,
"s": 1213,
"text": "So, if the input is like 11332,... |
How to create Python Iterable class ? - onlinetutorialspoint | PROGRAMMINGJava ExamplesC Examples
Java Examples
C Examples
C Tutorials
aws
JAVAEXCEPTIONSCOLLECTIONSSWINGJDBC
EXCEPTIONS
COLLECTIONS
SWING
JDBC
JAVA 8
SPRING
SPRING BOOT
HIBERNATE
PYTHON
PHP
JQUERY
PROGRAMMINGJava ExamplesC Examples
Java Examples
C Examples
C Tutorials
aws
In this tutorial, we are going to see how to ... | [
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{
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"text": "C Examples"
},
{
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... |
Average numbers in array in C Programming | There are n number of elements stored in an array and this program calculates the average of those numbers. Using different methods.
Input - 1 2 3 4 5 6 7
Output - 4
Explanation - Sum of elements of array 1+2+3+4+5+6+7=28
No of element in array=7
Average=28/7=4
There are two methods
In this method we will find sum and ... | [
{
"code": null,
"e": 1195,
"s": 1062,
"text": "There are n number of elements stored in an array and this program calculates the average of those numbers. Using different methods."
},
{
"code": null,
"e": 1217,
"s": 1195,
"text": "Input - 1 2 3 4 5 6 7"
},
{
"code": null,... |
Express.js router.all() Function | 09 Jul, 2020
The router.all() function is just like the router.METHOD() methods, except that it matches all HTTP methods (verbs). It is very helpful for mapping global logic for arbitrary matches or specific path prefixes.
Syntax:
router.all(path, [callback, ...] callback)
Parameter: The path parameter is the path of t... | [
{
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"s": 0,
"text": "\n09 Jul, 2020"
},
{
"code": null,
"e": 238,
"s": 28,
"text": "The router.all() function is just like the router.METHOD() methods, except that it matches all HTTP methods (verbs). It is very helpful for mapping global logic for arbitrary ... |
Readers-Writers Problem | Set 1 (Introduction and Readers Preference Solution) | 28 Feb, 2022
Consider a situation where we have a file shared between many people.
If one of the people tries editing the file, no other person should be reading or writing at the same time, otherwise changes will not be visible to him/her.
However if some person is reading the file, then others may read it at the sa... | [
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"code": null,
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"text": "Consider a situation where we have a file shared between many people. "
},
{
"code": null,
"e": 284,
"s": 126,
"text": "If one of the people tries editin... |
Pandas Groupby and Computing Median | 13 Jul, 2021
The Pandas in Python is known as the most popular and powerful tool for performing data analysis. It because of the beauty of Pandas functionality and the ability to work on sets and subsets of the large dataset. So in this article, we are going to study how pandas Group By functionality works and saves to... | [
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"code": null,
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"text": "The Pandas in Python is known as the most popular and powerful tool for performing data analysis. It because of the beauty of Pandas functionality and the ability to work on ... |
Python Program for Min Cost Path | 08 Jun, 2022
Given a cost matrix cost[][] and a position (m, n) in cost[][], write a function that returns cost of minimum cost path to reach (m, n) from (0, 0). Each cell of the matrix represents a cost to traverse through that cell. Total cost of a path to reach (m, n) is sum of all the costs on that path (including ... | [
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},
{
"code": null,
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"text": "Given a cost matrix cost[][] and a position (m, n) in cost[][], write a function that returns cost of minimum cost path to reach (m, n) from (0, 0). Each cell of the matrix re... |
write() - Unix, Linux System Call | Unix - Home
Unix - Getting Started
Unix - File Management
Unix - Directories
Unix - File Permission
Unix - Environment
Unix - Basic Utilities
Unix - Pipes & Filters
Unix - Processes
Unix - Communication
Unix - The vi Editor
Unix - What is Shell?
Unix - Using Variables
Unix - Special Variables
Unix - Using Arrays
Unix -... | [
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Stratified Sampling in Pandas | 02 Nov, 2021
Stratified Sampling is a sampling technique used to obtain samples that best represent the population. It reduces bias in selecting samples by dividing the population into homogeneous subgroups called strata, and randomly sampling data from each stratum(singular form of strata).
In statistics, stratified ... | [
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},
{
"code": null,
"e": 334,
"s": 53,
"text": "Stratified Sampling is a sampling technique used to obtain samples that best represent the population. It reduces bias in selecting samples by dividing the population into ho... |
Python 3 – input() function | 06 Oct, 2020
In Python, we use input() function to take input from the user. Whatever you enter as input, the input function converts it into a string. If you enter an integer value still input() function convert it into a string.
Syntax: input(prompt)
Parameter:
Prompt: (optional) The string that is written to standar... | [
{
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"text": "\n06 Oct, 2020"
},
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"code": null,
"e": 272,
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"text": "In Python, we use input() function to take input from the user. Whatever you enter as input, the input function converts it into a string. If you enter an integer value still... |
Check if a number is multiple of 9 using bitwise operators | 26 May, 2022
Given a number n, write a function that returns true if n is divisible by 9, else false. The most simple way to check for n’s divisibility by 9 is to do n%9. Another method is to sum the digits of n. If sum of digits is multiple of 9, then n is multiple of 9. The above methods are not bitwise operators bas... | [
{
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"text": "\n26 May, 2022"
},
{
"code": null,
"e": 552,
"s": 52,
"text": "Given a number n, write a function that returns true if n is divisible by 9, else false. The most simple way to check for n’s divisibility by 9 is to do n%9. Another method i... |
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