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Matplotlib.dates.AutoDateFormatter class in Python - GeeksforGeeks | 11 Sep, 2021
Matplotlib is an amazing visualization library in Python for 2D plots of arrays. Matplotlib is a multi-platform data visualization library built on NumPy arrays and designed to work with the broader SciPy stack.
The matplotlib.dates.AutoDateFormatter class is used to figure out the best format to use for ... | [
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"text": "\n11 Sep, 2021"
},
{
"code": null,
"e": 25127,
"s": 24914,
"text": "Matplotlib is an amazing visualization library in Python for 2D plots of arrays. Matplotlib is a multi-platform data visualization library built on NumPy arrays an... |
CodeIgniter - Form Validation | Validation is an important process while building web application. It ensures that the data that we are getting is proper and valid to store or process. CodeIgniter has made this task very easy. Let us understand this process with a simple example.
Create a view file myform.php and save the below code it in application... | [
{
"code": null,
"e": 2568,
"s": 2319,
"text": "Validation is an important process while building web application. It ensures that the data that we are getting is proper and valid to store or process. CodeIgniter has made this task very easy. Let us understand this process with a simple example."
}... |
How to update a MySQL column by subtracting a value with some conditions? | Let us first create a table −
mysql> create table DemoTable
(
Score int
);
Query OK, 0 rows affected (0.65 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable values(45);
Query OK, 1 row affected (0.11 sec)
mysql> insert into DemoTable values(29);
Query OK, 1 row affected (0.11 ... | [
{
"code": null,
"e": 1092,
"s": 1062,
"text": "Let us first create a table −"
},
{
"code": null,
"e": 1177,
"s": 1092,
"text": "mysql> create table DemoTable\n(\n Score int\n);\nQuery OK, 0 rows affected (0.65 sec)"
},
{
"code": null,
"e": 1233,
"s": 1177,
"... |
DateTimeOffset.Compare() Method in C# - GeeksforGeeks | 26 Feb, 2019
DateTimeOffset.Compare(DateTimeOffset, DateTimeOffset) Method is used to compare two DateTimeOffset objects and shows whether the first is earlier than the second, equal to the second, or later than the second.
Syntax: public static int Compare (DateTimeOffset first, DateTimeOffset second);
Parameters:firs... | [
{
"code": null,
"e": 24302,
"s": 24274,
"text": "\n26 Feb, 2019"
},
{
"code": null,
"e": 24513,
"s": 24302,
"text": "DateTimeOffset.Compare(DateTimeOffset, DateTimeOffset) Method is used to compare two DateTimeOffset objects and shows whether the first is earlier than the second,... |
How do I remove lines between ListViews on Android using Kotlin? | This example demonstrates how to remove lines between ListViews on Android using Kotlin.
Step 1 − Create a new project in Android Studio, go to File? New Project and fill all required details to create a new project.
Step 2 − Add the following code to res/layout/activity_main.xml.
<?xml version="1.0" encoding="utf-8"?>... | [
{
"code": null,
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"text": "This example demonstrates how to remove lines between ListViews on Android using Kotlin."
},
{
"code": null,
"e": 1279,
"s": 1151,
"text": "Step 1 − Create a new project in Android Studio, go to File? New Project and fill all require... |
Python | Pandas Series.dt.year - GeeksforGeeks | 20 Mar, 2019
Series.dt can be used to access the values of the series as datetimelike and return several properties. Pandas Series.dt.year attribute return a numpy array containing year of the datetime in the underlying data of the given series object.
Syntax: Series.dt.year
Parameter : None
Returns : numpy array
Examp... | [
{
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"text": "\n20 Mar, 2019"
},
{
"code": null,
"e": 24532,
"s": 24292,
"text": "Series.dt can be used to access the values of the series as datetimelike and return several properties. Pandas Series.dt.year attribute return a numpy array contai... |
JavaScript - Array some() Method | Javascript array some() method tests whether some element in the array passes the test implemented by the provided function.
Its syntax is as follows −
array.some(callback[, thisObject]);
callback − Function to test for each element.
callback − Function to test for each element.
thisObject − Object to use as this when... | [
{
"code": null,
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"text": "Javascript array some() method tests whether some element in the array passes the test implemented by the provided function."
},
{
"code": null,
"e": 2618,
"s": 2591,
"text": "Its syntax is as follows −"
},
{
"code": null,
... |
Dart - Null Safety - GeeksforGeeks | 11 Oct, 2021
Null Safety in simple words means a variable cannot contain a ‘null’ value unless you initialized with null to that variable. With null safety, all the runtime null-dereference errors will now be shown in compile time.
String name = null ; // This means the variable name has a null value.
Example :
Dart
cl... | [
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{
"code": null,
"e": 24223,
"s": 24004,
"text": "Null Safety in simple words means a variable cannot contain a ‘null’ value unless you initialized with null to that variable. With null safety, all the runtime nul... |
How to find the sum of rows and columns of a given matrix using Numpy? | In this problem, we will find the sum of all the rows and all the columns separately. We will use the sum() function for obtaining the sum.
Step 1: Import numpy.
Step 2: Create a numpy matrix of mxn dimension.
Step 3: Obtain the sum of all the rows.
Step 4: Obtain the sum of all the columns.
import numpy as np
a = np.... | [
{
"code": null,
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"text": "In this problem, we will find the sum of all the rows and all the columns separately. We will use the sum() function for obtaining the sum."
},
{
"code": null,
"e": 1355,
"s": 1202,
"text": "Step 1: Import numpy.\nStep 2: Create a nu... |
The Lazy Caterer's Problem - GeeksforGeeks | 30 Mar, 2021
Given an integer n, denoting the number of cuts that can be made on a pancake, find the maximum number of pieces that can be formed by making n cuts. Examples :
Input : n = 1
Output : 2
With 1 cut we can divide the pancake in 2 pieces
Input : 2
Output : 4
With 2 cuts we can divide the pancake in 4 pie... | [
{
"code": null,
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"s": 24669,
"text": "\n30 Mar, 2021"
},
{
"code": null,
"e": 24860,
"s": 24697,
"text": "Given an integer n, denoting the number of cuts that can be made on a pancake, find the maximum number of pieces that can be formed by making n cuts. Examples : "... |
How to Create an Animated Choropleth Map with Less Than 15 Lines of Code | Towards Data Science | Table of ContentsIntroduction1. Choropleth maps2. Data3. Animated choropleth USA map4. Animated choropleth world mapConclusion
Plotly Express makes it easy to create animated graphs. The official document says that “Although Plotly Express supports animation for many chart and map types, smooth inter-frame transitions ... | [
{
"code": null,
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"text": "Table of ContentsIntroduction1. Choropleth maps2. Data3. Animated choropleth USA map4. Animated choropleth world mapConclusion"
},
{
"code": null,
"e": 538,
"s": 299,
"text": "Plotly Express makes it easy to create animated graphs. The... |
Extracting Keyphrases from Text: RAKE and Gensim in Python | by Nikita Saxena | Towards Data Science | The Washington Post says it publishes an average of 1,200 stories, graphics, and videos per day (that count, though, includes wire stories). That’s a lot of content! Who has the time to go through all of that news? Won’t it be awesome if we could extract just the relevant phrases from every news article?
Keyphrases are... | [
{
"code": null,
"e": 477,
"s": 171,
"text": "The Washington Post says it publishes an average of 1,200 stories, graphics, and videos per day (that count, though, includes wire stories). That’s a lot of content! Who has the time to go through all of that news? Won’t it be awesome if we could extract ... |
Almost Perfect Number - GeeksforGeeks | 29 Apr, 2021
Given a number n, check it is the Almost Perfect number or not. Almost perfect number is a natural number whose sum of all divisors including 1 and the number itself is equal to 2n – 1.Example :
Input: n = 16
Output: Yes
Explanation: sum of divisors = 1 + 2 + 4 + 8 + 16 = 31 = 2n - 1
Input: n = 9
Output... | [
{
"code": null,
"e": 24206,
"s": 24178,
"text": "\n29 Apr, 2021"
},
{
"code": null,
"e": 24403,
"s": 24206,
"text": "Given a number n, check it is the Almost Perfect number or not. Almost perfect number is a natural number whose sum of all divisors including 1 and the number itse... |
How to prevent parents of floated elements from collapsing in CSS? - GeeksforGeeks | 07 Dec, 2021
It is known that HTML elements like div, paragraphs, texts etc. grows itself to fits the content of their child. But if the child of those elements are floated either to right or left then the parents may collapse. That is, they will loose their actual behaviour.
Let’s understand this with an example: Cons... | [
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"text": "\n07 Dec, 2021"
},
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"code": null,
"e": 25640,
"s": 25376,
"text": "It is known that HTML elements like div, paragraphs, texts etc. grows itself to fits the content of their child. But if the child of those elements are floated eit... |
Java.io.CharArrayReader Class in Java - GeeksforGeeks | 18 Apr, 2022
java.io.CharArrayReader class creates a character buffer using a character array.
Declaration:
public class CharArrayReader
extends Reader
Constructor :
CharArrayReader(char[] char_array) : Creates a CharArrayReader from a specified character array.
CharArrayReader(char[] char_array, int offset, int ... | [
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"text": "\n18 Apr, 2022"
},
{
"code": null,
"e": 24298,
"s": 24216,
"text": "java.io.CharArrayReader class creates a character buffer using a character array."
},
{
"code": null,
"e": 24312,
"s": 24298,
"text": "Declarat... |
AI Image Classification with Hyperparameter Optimization | by Brent Larzalere | Towards Data Science | The ability to use artificial intelligence to identify objects and classify images has been one of the fastest growing areas in AI since Alex Krizhevsky et al. developed the AlexNet convolutional neural network (CNN) that won the 2012 ImageNet challenge. The AlexNet network achieved state-of-the-art performance labelin... | [
{
"code": null,
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"s": 172,
"text": "The ability to use artificial intelligence to identify objects and classify images has been one of the fastest growing areas in AI since Alex Krizhevsky et al. developed the AlexNet convolutional neural network (CNN) that won the 2012 ImageNet challenge. ... |
Python 3 - os.write() Method | The method write() writes the string str to file descriptor fd. Return the number of bytes actually written.
Following is the syntax for write() method −
os.write(fd, str)
fd − This is the file descriptor.
fd − This is the file descriptor.
str − This is the string to be written.
str − This is the string to be written.... | [
{
"code": null,
"e": 2449,
"s": 2340,
"text": "The method write() writes the string str to file descriptor fd. Return the number of bytes actually written."
},
{
"code": null,
"e": 2494,
"s": 2449,
"text": "Following is the syntax for write() method −"
},
{
"code": null,
... |
What is the best way to run all Python files in a directory? | The fastest and easiest way to run all Python files in a directory is to use loops. You can use bash to do this for you.
For example, create a new file called run_all_py.sh and write the following in it:
for f in *.py; do python"$f"; done
Now run the file using
$ bash run_all_py.sh
You could also use xargs to parall... | [
{
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"text": "The fastest and easiest way to run all Python files in a directory is to use loops. You can use bash to do this for you."
},
{
"code": null,
"e": 1266,
"s": 1183,
"text": "For example, create a new file called run_all_py.sh and write... |
How to dynamically create radio buttons using an array in JavaScript? | To dynamically create radio button using an array, use the concept of createElement() and
appendChild().
Following is the code −
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<link rel="stylesheet"
hr... | [
{
"code": null,
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"text": "To dynamically create radio button using an array, use the concept of createElement() and\nappendChild()."
},
{
"code": null,
"e": 1191,
"s": 1167,
"text": "Following is the code −"
},
{
"code": null,
"e": 2055,
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How can we create a MySQL view with GROUP BY clause? | We can use GROUP BY to group values from a column, and, if we want, we can perform calculations on that column. You can use COUNT, SUM, AVG, etc., functions on the grouped column. To understand GROUP BY clause with views we are creating a view named ‘Info’ using the base table ‘Student_info’ having the following data −... | [
{
"code": null,
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"text": "We can use GROUP BY to group values from a column, and, if we want, we can perform calculations on that column. You can use COUNT, SUM, AVG, etc., functions on the grouped column. To understand GROUP BY clause with views we are creating a view named ‘In... |
Difference Between JDBC and Hibernate | JDBC is acronym of Java database connectivity. It is used to connect your application to the database and transactions . It is an open source Java api.
Hibernate is also used for connect your application to database and to do database related transactions but with different approach. It has a object relationship libr... | [
{
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"text": "JDBC is acronym of Java database connectivity. It is used to connect your application to the database and transactions . It is an open source Java api. "
},
{
"code": null,
"e": 1573,
"s": 1216,
"text": "Hibernate is also used for c... |
How to create a Polygon using JavaFX? | A polygon is a closed figure formed using n number of lines existing in the same plane. In JavaFX a polygon is represented by the javafx.scene.shape.Polygon class.
To create a polygon you need to −
Instantiate this class.
Instantiate this class.
Pass the start and endpoints, of the line segments to draw a polygon to th... | [
{
"code": null,
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"text": "A polygon is a closed figure formed using n number of lines existing in the same plane. In JavaFX a polygon is represented by the javafx.scene.shape.Polygon class."
},
{
"code": null,
"e": 1260,
"s": 1226,
"text": "To create a polygo... |
End to End Deployment of A Machine Learning Model using Flask | by Aamir Syed | Towards Data Science | Machine Learning is pretty — and nifty, if it works right. However, you are limited to showing results to someone who understands the process the way you do. The magic disappears when someone gets to know how it works, and taking others through what it is without visual aid ... is about as exciting as watching paint dr... | [
{
"code": null,
"e": 495,
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"text": "Machine Learning is pretty — and nifty, if it works right. However, you are limited to showing results to someone who understands the process the way you do. The magic disappears when someone gets to know how it works, and taking others through what it is... |
PHP - Function fgetcsv() | The fgetcsv() function can parse a line from an open file and check for CSV fields. This function stops returning on a new line at a specified length or EOF, whichever comes first. This function returns CSV fields in the array on success or false on failure and EOF.
array fgetcsv ( resource $handle [, int $length = 0... | [
{
"code": null,
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"text": " The fgetcsv() function can parse a line from an open file and check for CSV fields. This function stops returning on a new line at a specified length or EOF, whichever comes first. This function returns CSV fields in the array on success or false on f... |
Propensity Score Stratification in Observational Data: A Tutorial | by Leihua Ye, PhD | Towards Data Science | Do you know how much new data we generate each day? In 2021, the number is roughly 2.5 quintillion bytes of data. So, we are not in short supply of data but lack the correct tool of making it useful.
It’s easy to show how multiple factors move together with access to big data. However, it becomes more challenging to de... | [
{
"code": null,
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"text": "Do you know how much new data we generate each day? In 2021, the number is roughly 2.5 quintillion bytes of data. So, we are not in short supply of data but lack the correct tool of making it useful."
},
{
"code": null,
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How to show multiple colorbars in Matplotlib? | To show multiple colorbars in matplotlib, we can take the following steps−
Set the figure size and adjust the padding between and around the subplots.
Create a figure and a set of subplots.
Initialize a variable N for the number of sample data.
Create random data1 using numpy.
Display data as an image, i.e., on a 2D re... | [
{
"code": null,
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"s": 1062,
"text": "To show multiple colorbars in matplotlib, we can take the following steps−"
},
{
"code": null,
"e": 1213,
"s": 1137,
"text": "Set the figure size and adjust the padding between and around the subplots."
},
{
"code": null,
... |
How can we ignore the negative values return by MySQL DATEDIFF() function? | As we know that DATEDIFF() function is used to get the difference in a number of days between two dates. Hence, it is quite possible that it returns negative value as well.
mysql> select * from differ;
+------------+-------------+
| OrderDate | WorkingDate |
+------------+-------------+
| 2017-10-22 | 2017-10-29 |
| ... | [
{
"code": null,
"e": 1235,
"s": 1062,
"text": "As we know that DATEDIFF() function is used to get the difference in a number of days between two dates. Hence, it is quite possible that it returns negative value as well."
},
{
"code": null,
"e": 1492,
"s": 1235,
"text": "mysql> se... |
ReactJS | AJAX and API | 10 May, 2020
APIs are used for fetching data from the server and using AJAX and API we call data asynchronously and show it in our HTML. You can make API requests by using browser build in fetch function or third party libraries like Axios. You can make API requests anywhere but it is totally recommended that you shoul... | [
{
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"text": "\n10 May, 2020"
},
{
"code": null,
"e": 422,
"s": 54,
"text": "APIs are used for fetching data from the server and using AJAX and API we call data asynchronously and show it in our HTML. You can make API requests by using browser build i... |
Microsoft Azure - Tables | Storing a table does not mean relational database here. Azure Storage can store just a table without any foreign keys or any other kind of relation. These tables are highly scalable and ideal for handling large amount of data. Tables can be stored and queried for large amount of data. The relational database can be sto... | [
{
"code": null,
"e": 3521,
"s": 3143,
"text": "Storing a table does not mean relational database here. Azure Storage can store just a table without any foreign keys or any other kind of relation. These tables are highly scalable and ideal for handling large amount of data. Tables can be stored and q... |
Remove Seconds/ Milliseconds from Date and convert to ISO String? | Let’s get the current date first −
var currentDate = new Date();
console.log("The current date is as follows="+currentDate);
Now, let us remove seconds/ milliseconds by setting them to 0 using setSeconds() −
currentDate.setSeconds(0,0);
Convert to ISO String using toISOString() −
currentDate.toISOString()
Let us now se... | [
{
"code": null,
"e": 1222,
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"text": "Let’s get the current date first −"
},
{
"code": null,
"e": 1312,
"s": 1222,
"text": "var currentDate = new Date();\nconsole.log(\"The current date is as follows=\"+currentDate);"
},
{
"code": null,
"e": 1395,
"s": 13... |
GATE | GATE CS 2019 | Question 53 | 06 Oct, 2021
Consider the following matrix:The absolute value of the product of Eigenvalues of R is _________ .Note: This was Numerical Type question.(A) 12(B) 145(C) 125(D) 4Answer: (A)Explanation: The determinant of a matrix is equal to the product of eigenvalues. So, the determinant of above matrix will be calculate... | [
{
"code": null,
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"text": "\n06 Oct, 2021"
},
{
"code": null,
"e": 350,
"s": 28,
"text": "Consider the following matrix:The absolute value of the product of Eigenvalues of R is _________ .Note: This was Numerical Type question.(A) 12(B) 145(C) 125(D) 4Answer: (A)Ex... |
Dart Programming - Map Property Keys | Returns an iterable object representing keys.
Map.keys
void main() {
var details = {'Usrname':'tom','Password':'pass@123'};
print(details.keys);
}
It will produce the following output −
(Usrname, Password)
44 Lectures
4.5 hours
Sriyank Siddhartha
34 Lectures
4 hours
Sriyank Siddha... | [
{
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"code": null,
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"text": "Map.keys\n"
},
{
"code": null,
"e": 2682,
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"text": "void main() { \n var details = {'Usrname':'tom','Pas... |
Basic Linux Commands for day to day life - GeeksforGeeks | 01 Dec, 2021
This article will explore the basic Linux commands and how to use them.
1. ls: How would we know what a folder contains? With a graphical interface, you’d do this by opening a folder and inspecting its contents. From the command line, you use the command ls instead to list a folder’s contents.
By default... | [
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"text": "This article will explore the basic Linux commands and how to use them. "
},
{
"code": null,
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"text": "1. ls: How would ... |
Smallest power of 2 greater than or equal to n | 01 Jul, 2022
Write a function that, for a given no n, finds a number p which is greater than or equal to n and is the smallest power of 2.
Examples :
Input: n = 5Output: 8
Input: n = 17Output: 32
Input : n = 32Output: 32
There are plenty of solutions for this. Let us take the example of 17 to explain ... | [
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},
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"... |
Joining Threads in C# | 01 Feb, 2019
In C#, Thread class provides the Join() method which allows one thread to wait until another thread completes its execution. If t is a Thread object whose thread is currently executing, then t.Join() causes the current thread to pause its execution until thread it joins completes its execution.If there are... | [
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"code": null,
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"text": "In C#, Thread class provides the Join() method which allows one thread to wait until another thread completes its execution. If t is a Thread object whose thread is currently ... |
Python Dictionary | setdefault() method | 10 Sep, 2020
Dictionary in Python is an unordered collection of data values, used to store data values like a map, which unlike other Data Types that hold only single value as an element, Dictionary holds key : value pair.In Python Dictionary, setdefault() method returns the value of a key (if the key is in dictionary)... | [
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"code": null,
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"text": "Dictionary in Python is an unordered collection of data values, used to store data values like a map, which unlike other Data Types that hold only single value as an element,... |
Object Serialization with Inheritance in Java | 09 Dec, 2021
Prerequisite: Serialization, Inheritance
Serialization is a mechanism of converting the state of an object into a byte stream. The byte array can be the class, version, and internal state of the object.
Deserialization is the reverse process where the byte stream is used to recreate the actual Java object ... | [
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"text": "Prerequisite: Serialization, Inheritance"
},
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"text": "Serialization is a mechanism of converting the state of an object ... |
ISC- Class 12 Computer Science 2017 | 01 Nov, 2018
COMPUTER SCIENCE (PAPER 1: THEORY)
(Maximum Marks: 70)(Time allowed: Three hours)(Candidates are allowed additional 15 mins for only reading the paper. They must NOT start writing during this time.)
Answer all questions in Part I (compulsory) and six questions from Part-II, choosing two questions from Sect... | [
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"text": "COMPUTER SCIENCE (PAPER 1: THEORY)"
},
{
"code": null,
"e": 227,
"s": 63,
"text": "(Maximum Marks: 70)(Time allowed: Three hours)(Candidates are allowed add... |
SQL | DESCRIBE Statement | 21 Mar, 2018
Prerequisite : Sql Create Clause,
As the name suggests, DESCRIBE is used to describe something. Since in database we have tables, that’s why we use DESCRIBE or DESC(both are same) command to describe the structure of a table.Syntax:
DESCRIBE one;
OR
DESC one;
Note : We can use either DESCRIBE or DESC(bo... | [
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"text": "\n21 Mar, 2018"
},
{
"code": null,
"e": 87,
"s": 53,
"text": "Prerequisite : Sql Create Clause,"
},
{
"code": null,
"e": 286,
"s": 87,
"text": "As the name suggests, DESCRIBE is used to describe something. Since in da... |
Writing data from a Python List to CSV row-wise | 04 May, 2022
Comma Separated Values (CSV) files a type of a plain text document in which tabular information is structured using a particular format. A CSV file is a bounded text format which uses a comma to separate values. The most common method to write data from a list to CSV file is the writerow() method of write... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n04 May, 2022"
},
{
"code": null,
"e": 471,
"s": 54,
"text": "Comma Separated Values (CSV) files a type of a plain text document in which tabular information is structured using a particular format. A CSV file is a bounded text format ... |
Step by step Shortest Path from source node to destination node in a Binary Tree | 17 Dec, 2021
Given a root of binary tree and two integers startValue and destValue denoting the starting and ending node respectively. The task is to find the shortest path from the start node to the end node and print the path in the form of directions given below.
Going from one node to its left child node is indica... | [
{
"code": null,
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"text": "\n17 Dec, 2021"
},
{
"code": null,
"e": 309,
"s": 54,
"text": "Given a root of binary tree and two integers startValue and destValue denoting the starting and ending node respectively. The task is to find the shortest path from the start... |
Real time object color detection using OpenCV | 21 Oct, 2021
In this article, we will discuss how to detect a monochromatic colour object using python and OpenCV. Monochromatic color means light of a single wavelength. We will use the video, captured using a webcam as input and try to detect objects of a single color, especially Blue. But you can detect any color if... | [
{
"code": null,
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"s": 0,
"text": "\n21 Oct, 2021"
},
{
"code": null,
"e": 386,
"s": 28,
"text": "In this article, we will discuss how to detect a monochromatic colour object using python and OpenCV. Monochromatic color means light of a single wavelength. We will use the v... |
Solve the Sudoku | Practice | GeeksforGeeks | Given an incomplete Sudoku configuration in terms of a 9 x 9 2-D square matrix (grid[][]), the task to find a solved Sudoku. For simplicity, you may assume that there will be only one unique solution.
Sample Sudoku for you to get the logic for its solution:
Example 1:
Input:
grid[][] =
[[3 0 6 5 0 8 4 0 0],
[5 2 ... | [
{
"code": null,
"e": 500,
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"text": "Given an incomplete Sudoku configuration in terms of a 9 x 9 2-D square matrix (grid[][]), the task to find a solved Sudoku. For simplicity, you may assume that there will be only one unique solution.\n\nSample Sudoku for you to get the logic for its sol... |
Find original sequence from Array containing the sequence merged many times in order - GeeksforGeeks | 26 Oct, 2021
Given a number N and an array arr[] that consist of merging N length sequence of distinct integers any number of times maintaining the relative order of elements in the initial sequence. The task is to find the initial sequence of length N maintaining the right order.
Examples:
Input: N = 4, arr[] = {1, 1... | [
{
"code": null,
"e": 24796,
"s": 24768,
"text": "\n26 Oct, 2021"
},
{
"code": null,
"e": 25066,
"s": 24796,
"text": "Given a number N and an array arr[] that consist of merging N length sequence of distinct integers any number of times maintaining the relative order of elements i... |
Getting Started with Albumentation: Deep Learning Image Augmentation Technique in PyTorch | by Kevin Bok | Towards Data Science | Either you are quietly participating Kaggle Competitions, trying to learn a new cool Python technique, a newbie in data science / deep learning, or just here to grab a piece of codeset you want to copy-paste and try right away, I guarantee this post would be very helpful.
In this post, I will make a thorough introducti... | [
{
"code": null,
"e": 445,
"s": 172,
"text": "Either you are quietly participating Kaggle Competitions, trying to learn a new cool Python technique, a newbie in data science / deep learning, or just here to grab a piece of codeset you want to copy-paste and try right away, I guarantee this post would... |
date command in Linux with examples - GeeksforGeeks | 28 Jan, 2022
date command is used to display the system date and time. date command is also used to set date and time of the system. By default the date command displays the date in the time zone on which unix/linux operating system is configured.You must be the super-user (root) to change the date and time.
Syntax: ... | [
{
"code": null,
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"s": 25424,
"text": "\n28 Jan, 2022"
},
{
"code": null,
"e": 25750,
"s": 25452,
"text": "date command is used to display the system date and time. date command is also used to set date and time of the system. By default the date command displays the da... |
Adobe Interview Experience for Internship - GeeksforGeeks | 27 Nov, 2020
Round 1: Round one was an online test with 4 sections, each section was timed and you cannot switch between the sections. The sections can be attempted in a specific order only:
Section 1: Cognitive assessment – 20 MCQs, 20 mins. The questions were related to logical reasoning and basic math.Section 2: Tec... | [
{
"code": null,
"e": 25218,
"s": 25190,
"text": "\n27 Nov, 2020"
},
{
"code": null,
"e": 25396,
"s": 25218,
"text": "Round 1: Round one was an online test with 4 sections, each section was timed and you cannot switch between the sections. The sections can be attempted in a specif... |
Find the sum of first and last digit for a number using C language | The sum of first and last digit for a number can be calculated if we use the below mentioned algorithm in C programming language.
Refer an algorithm given herewith −
START
Step 1: Declare no, sum variables of type int
Step 2: Read a number at runtime
Step 3: Compute sum=no%10
Step 4: While loop no>9
No=no/10
Step 5:... | [
{
"code": null,
"e": 1192,
"s": 1062,
"text": "The sum of first and last digit for a number can be calculated if we use the below mentioned algorithm in C programming language."
},
{
"code": null,
"e": 1228,
"s": 1192,
"text": "Refer an algorithm given herewith −"
},
{
"c... |
Minimum reduce operations to convert a given string into a palindrome - GeeksforGeeks | 21 May, 2021
Given a String find the minimum number of reduce operations required to convert a given string into a palindrome. In a reduce operation, we can change character to a immediate lower value. For example b can be covered to a.Examples :
Input : abcd
Output : 4
We need to reduce c once
and d three times... | [
{
"code": null,
"e": 24462,
"s": 24434,
"text": "\n21 May, 2021"
},
{
"code": null,
"e": 24698,
"s": 24462,
"text": "Given a String find the minimum number of reduce operations required to convert a given string into a palindrome. In a reduce operation, we can change character to... |
Scala Collections - Option | Scala Option[ T ] is a container for zero or one element of a given type. An Option[T] can be either Some[T] or None object, which represents a missing value. For instance, the get method of Scala's Map produces Some(value) if a value corresponding to a given key has been found, or None if the given key is not defined ... | [
{
"code": null,
"e": 3214,
"s": 2882,
"text": "Scala Option[ T ] is a container for zero or one element of a given type. An Option[T] can be either Some[T] or None object, which represents a missing value. For instance, the get method of Scala's Map produces Some(value) if a value corresponding to a... |
Markov Chain Analysis and Simulation using Python | by Herman Scheepers | Towards Data Science | A Markov chain is a discrete-time stochastic process that progresses from one state to another with certain probabilities that can be represented by a graph and state transition matrix P as indicated below:
Such chains, if they are first-order Markov Chains, exhibit the Markov property, being that the next state is onl... | [
{
"code": null,
"e": 379,
"s": 172,
"text": "A Markov chain is a discrete-time stochastic process that progresses from one state to another with certain probabilities that can be represented by a graph and state transition matrix P as indicated below:"
},
{
"code": null,
"e": 552,
"s... |
4 easy steps to improve your machine learning code performance | by Maksym Balatsko | Towards Data Science | It is really astonishing, how many new machine learning libraries and models are created every day. But it is such a disappointment that most of them are just not properly designed. Actually sometimes great thing with great ideas behind it is just not being used, because it is not well documented, has difficult or not ... | [
{
"code": null,
"e": 1097,
"s": 172,
"text": "It is really astonishing, how many new machine learning libraries and models are created every day. But it is such a disappointment that most of them are just not properly designed. Actually sometimes great thing with great ideas behind it is just not be... |
Python os.mknod() Method | Python method mknod() creates a filesystem node (file, device special file or named pipe) named filename.
Following is the syntax for mknod() method −
os.mknod(filename[, mode=0600[, device=0]])
filename − This is the filesystem node to be created.
filename − This is the filesystem node to be created.
mode − The mode ... | [
{
"code": null,
"e": 2350,
"s": 2244,
"text": "Python method mknod() creates a filesystem node (file, device special file or named pipe) named filename."
},
{
"code": null,
"e": 2395,
"s": 2350,
"text": "Following is the syntax for mknod() method −"
},
{
"code": null,
... |
Latest cool features of Matplotlib | by Ankit Gupta | Towards Data Science | A few days ago, Matplotlib released version 3.3 — the latest in the third generation of its family. It introduced some really exciting features and I would strongly recommend you to upgrade your Matplotlib today. This post will guide you through them using some examples.
I updated to the latest version in my virtual en... | [
{
"code": null,
"e": 444,
"s": 172,
"text": "A few days ago, Matplotlib released version 3.3 — the latest in the third generation of its family. It introduced some really exciting features and I would strongly recommend you to upgrade your Matplotlib today. This post will guide you through them usin... |
assert.rejects() function in Node.js | The assert module provides a bunch of different functionalities that are used for function assertion. The assert.rejects function will wait for the passed async function 'asyncfn' promise. If asyncfn is a function, it will immediately call this function and will wait for its returned promise to complete. It will then c... | [
{
"code": null,
"e": 1417,
"s": 1062,
"text": "The assert module provides a bunch of different functionalities that are used for function assertion. The assert.rejects function will wait for the passed async function 'asyncfn' promise. If asyncfn is a function, it will immediately call this function... |
Full Guide to BERT For Q&A | Towards Data Science | Question-answering (Q&A) transformers are widely applicable, insanely cool applications of modern-NLP.
At first glance, most of us would view building something like this as a feat of great difficulty. Fortunately, most of us would be wrong.
Transformers are — despite their incredible performance — surprisingly straigh... | [
{
"code": null,
"e": 274,
"s": 171,
"text": "Question-answering (Q&A) transformers are widely applicable, insanely cool applications of modern-NLP."
},
{
"code": null,
"e": 413,
"s": 274,
"text": "At first glance, most of us would view building something like this as a feat of gr... |
How to share a windows folder using PowerShell? | To share a windows folder using PowerShell, we can use the New-SmbShare command. This command is a part of the module SmbShare.
In this example, we have a folder called “DSC” and we want to share. The below command will simply share folder
New-SmbShare -Path E:\DSC\ -Name "Shared Folder"
Output
Name ScopeName ... | [
{
"code": null,
"e": 1190,
"s": 1062,
"text": "To share a windows folder using PowerShell, we can use the New-SmbShare command. This command is a part of the module SmbShare."
},
{
"code": null,
"e": 1302,
"s": 1190,
"text": "In this example, we have a folder called “DSC” and we ... |
Box plot in Plotly using graph_objects class - GeeksforGeeks | 02 Dec, 2021
Plotly is a Python library which is used to design graphs, especially interactive graphs. It can plot various graphs and charts like histogram, barplot, boxplot, spreadplot and many more. It is mainly used in data analysis as well as financial analysis. plotly is an interactive visualization library.
If Pl... | [
{
"code": null,
"e": 24268,
"s": 24240,
"text": "\n02 Dec, 2021"
},
{
"code": null,
"e": 24570,
"s": 24268,
"text": "Plotly is a Python library which is used to design graphs, especially interactive graphs. It can plot various graphs and charts like histogram, barplot, boxplot, s... |
MariaDB - Backup Methods | Data serves as the foundation of business and operations, and with various possible threats (e.g., attackers, system failures, bad upgrades, and maintenance errors) out there, backups remain critical. These backups take many forms, and many options exist for creating them with an even wider set of options within those ... | [
{
"code": null,
"e": 2849,
"s": 2362,
"text": "Data serves as the foundation of business and operations, and with various possible threats (e.g., attackers, system failures, bad upgrades, and maintenance errors) out there, backups remain critical. These backups take many forms, and many options exis... |
CSS | Scroll Padding bottom - GeeksforGeeks | 31 Oct, 2019
The Scroll Padding bottom is an inbuilt property in Scroll Snap module. This property set the scroll padding longhand. This property acts as a magnet on the top of the sliding element that stick to the top of the view-port and stop the scrolling(forcefully) in that place.
The Scroll Padding property is opt... | [
{
"code": null,
"e": 25376,
"s": 25348,
"text": "\n31 Oct, 2019"
},
{
"code": null,
"e": 25649,
"s": 25376,
"text": "The Scroll Padding bottom is an inbuilt property in Scroll Snap module. This property set the scroll padding longhand. This property acts as a magnet on the top of... |
How to check if a String Contains a Substring in PHP ? - GeeksforGeeks | 30 Apr, 2021
A string is a collection of given characters and a substring is a string present in a given string.
In this article, we are going to check if the given string contains a substring by using the PHP strpos() function.
Syntax:
strpos($original_string,$sub_string);
Parameters:
original_string : The input strin... | [
{
"code": null,
"e": 31406,
"s": 31378,
"text": "\n30 Apr, 2021"
},
{
"code": null,
"e": 31506,
"s": 31406,
"text": "A string is a collection of given characters and a substring is a string present in a given string."
},
{
"code": null,
"e": 31622,
"s": 31506,
... |
How to make a mosaic plot in Matplotlib? | To make a mosaic plot in matplotlib, 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.
Install statsmodel package (pip install statsmodels). It is required to create mosaic plots. stats... | [
{
"code": null,
"e": 1132,
"s": 1062,
"text": "To make a mosaic plot in matplotlib, we can take the following steps."
},
{
"code": null,
"e": 1208,
"s": 1132,
"text": "Set the figure size and adjust the padding between and around the subplots."
},
{
"code": null,
"e":... |
Case conversion (Lower to Upper and Vice Versa) of a string using BitWise operators in C/C++ - GeeksforGeeks | 28 Aug, 2018
Given a string, write a function that converts it either from lower to upper case or from upper to lower case using the bitwise operators &(AND), |(OR), ~(NOT) in place and returns the string.
Many of us know that Bitwise manipulations are faster than performing arithmetic operations for a compiler as the ... | [
{
"code": null,
"e": 26979,
"s": 26951,
"text": "\n28 Aug, 2018"
},
{
"code": null,
"e": 27172,
"s": 26979,
"text": "Given a string, write a function that converts it either from lower to upper case or from upper to lower case using the bitwise operators &(AND), |(OR), ~(NOT) in ... |
Dunn index and DB index - Cluster Validity indices | Set 1 - GeeksforGeeks | 19 Feb, 2022
Different performance metrics are used to evaluate different Machine Learning Algorithms. In case of classification problem, we have a variety of performance measure to evaluate how good our model is. For cluster analysis, the analogous question is how to evaluate the “goodness” of the resulting clusters? ... | [
{
"code": null,
"e": 25659,
"s": 25631,
"text": "\n19 Feb, 2022"
},
{
"code": null,
"e": 26010,
"s": 25659,
"text": "Different performance metrics are used to evaluate different Machine Learning Algorithms. In case of classification problem, we have a variety of performance measu... |
TreeSet first() Method in Java - GeeksforGeeks | 26 Nov, 2018
The Java.util.TreeSet.first() method is used to return the first of the element of a TreeSet. The first element here is being referred to the lowest of the elements in the set. If the elements are of integer types then the smallest integer is returned. If the elements are of the string types then the eleme... | [
{
"code": null,
"e": 25537,
"s": 25509,
"text": "\n26 Nov, 2018"
},
{
"code": null,
"e": 26000,
"s": 25537,
"text": "The Java.util.TreeSet.first() method is used to return the first of the element of a TreeSet. The first element here is being referred to the lowest of the element... |
Beautiful Soup - Parsing only section of a document | There are multiple situations where you want to extract specific types of information (only <a> tags) using Beautifulsoup4. The SoupStrainer class in Beautifulsoup allows you to parse only specific part of an incoming document.
One way is to create a SoupStrainer and pass it on to the Beautifulsoup4 constructor as the ... | [
{
"code": null,
"e": 2213,
"s": 1985,
"text": "There are multiple situations where you want to extract specific types of information (only <a> tags) using Beautifulsoup4. The SoupStrainer class in Beautifulsoup allows you to parse only specific part of an incoming document."
},
{
"code": nul... |
GATE-CS-2003 - GeeksforGeeks | 02 Dec, 2021
Let A be a sequence of 8 distinct integers sorted in ascending order. How many distinct pairs of sequences, B and C are there such that (i) each is sorted in ascending order, (ii) B has 5 and C has 3 elements, and (iii) the result of merging B and C gives A?
256
56
30
2
Suppose you have selected 3 ele... | [
{
"code": null,
"e": 27610,
"s": 27582,
"text": "\n02 Dec, 2021"
},
{
"code": null,
"e": 27870,
"s": 27610,
"text": "Let A be a sequence of 8 distinct integers sorted in ascending order. How many distinct pairs of sequences, B and C are there such that (i) each is sorted in ascen... |
How to detect duplicate values and its indices within an array in MATLAB? - GeeksforGeeks | 11 Oct, 2021
In this article, we will discuss how to find duplicate values and their indices within an array in MATLAB. It can be done using unique(), length(), setdiff(), and numel() functions that are illustrated below:
Unique(A) function is used to return the same data as in the specified array A without any repetit... | [
{
"code": null,
"e": 24646,
"s": 24618,
"text": "\n11 Oct, 2021"
},
{
"code": null,
"e": 24855,
"s": 24646,
"text": "In this article, we will discuss how to find duplicate values and their indices within an array in MATLAB. It can be done using unique(), length(), setdiff(), and ... |
Check the Dependencies of a Table in SQL Server - GeeksforGeeks | 08 Apr, 2022
As a SQL DBA, you might need to find the Dependencies of a Table in SQL Server using SQL Server Management Studio or SQL Query. It will be useful to have information about the dependencies while altering or dropping any table. To find Table Dependencies in SQL Server using SQL Server Management Studio : St... | [
{
"code": null,
"e": 24268,
"s": 24240,
"text": "\n08 Apr, 2022"
},
{
"code": null,
"e": 24646,
"s": 24268,
"text": "As a SQL DBA, you might need to find the Dependencies of a Table in SQL Server using SQL Server Management Studio or SQL Query. It will be useful to have informati... |
C# | How to copy a String into another String - GeeksforGeeks | 01 Feb, 2019
String.Copy(String) Method is used to create a new instance of String with the same value as a specified String. In other words, this method is used to copy the data of one string into a new string.The new string contains same data like an original string but represents a different object reference.
Syntax... | [
{
"code": null,
"e": 24330,
"s": 24302,
"text": "\n01 Feb, 2019"
},
{
"code": null,
"e": 24631,
"s": 24330,
"text": "String.Copy(String) Method is used to create a new instance of String with the same value as a specified String. In other words, this method is used to copy the da... |
Crawlab — The Ultimate Live Dashboard For Web Crawler | by Low Wei Hong | Towards Data Science | 1
2
3
4
5
6
7
8
9
10
Powered by Play.ht
Create audio with Play.ht
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Recently I discovered a very interesting and yet powerful project. Although it only started 6 months ago, this project already has around 2.4k likes. This project just launched in March 2019 and it seems promising for... | [
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Viewing information in M_PASSWORD_POLICY System View in SAP HANA | M_PASSWORD_POLICY System View contains several lines of information about the current password policy.
>Select * from M_PASSWORD_POLICY | [
{
"code": null,
"e": 1165,
"s": 1062,
"text": "M_PASSWORD_POLICY System View contains several lines of information about the current password policy."
},
{
"code": null,
"e": 1198,
"s": 1165,
"text": ">Select * from M_PASSWORD_POLICY"
}
] |
Java program to find the GCD or HCF of two numbers | An H.C.F or Highest Common Factor, is the largest common factor of two or more values.
For example factors of 12 and 16 are −
12 → 1, 2, 3, 4, 6, 12
16 → 1, 2, 4, 8, 16
The common factors are 1, 2, 4 and the highest common factor is 4.
Define two variables - A, B
Define two variables - A, B
Set loop from 1 to max of A,... | [
{
"code": null,
"e": 1149,
"s": 1062,
"text": "An H.C.F or Highest Common Factor, is the largest common factor of two or more values."
},
{
"code": null,
"e": 1188,
"s": 1149,
"text": "For example factors of 12 and 16 are −"
},
{
"code": null,
"e": 1231,
"s": 1188... |
Practical JavaScript: Arrays vs. Objects | by Joe Boyle | Towards Data Science | Someone asked me today: “How do you know when to use an object, and when to use an array?” I couldn’t find a resource online that gave the answer I wanted, so... I will be the change I want to see.
Think about what your particular data represents: If it’s a single entity with named properties, you want an object. If it... | [
{
"code": null,
"e": 370,
"s": 172,
"text": "Someone asked me today: “How do you know when to use an object, and when to use an array?” I couldn’t find a resource online that gave the answer I wanted, so... I will be the change I want to see."
},
{
"code": null,
"e": 586,
"s": 370,
... |
History of Convolutional Blocks in simple Code | by Paul-Louis Pröve | Towards Data Science | I try my best to read ML and AI related papers on a regular basis. It’s the only way to stay up-to-date with recent advancements. As a computer scientist I often hit a wall when going over the scientific description texts or the mathematical notation of formulas. I find it so much easier to understand it in plain code.... | [
{
"code": null,
"e": 638,
"s": 172,
"text": "I try my best to read ML and AI related papers on a regular basis. It’s the only way to stay up-to-date with recent advancements. As a computer scientist I often hit a wall when going over the scientific description texts or the mathematical notation of f... |
How to get the height of device screen in JavaScript ? - GeeksforGeeks | 12 Sep, 2019
Given an HTML document which is running on a device. The task is to find the height of the working screen device using JavaScript.Prerequisite – How to get the width of device screen in JavaScript ?
Example 1: This example uses window.innerHeight property to get the height of the device screen. The innerHe... | [
{
"code": null,
"e": 24926,
"s": 24898,
"text": "\n12 Sep, 2019"
},
{
"code": null,
"e": 25125,
"s": 24926,
"text": "Given an HTML document which is running on a device. The task is to find the height of the working screen device using JavaScript.Prerequisite – How to get the wid... |
How to check a string is entirely made up of the same substring in JavaScript ? - GeeksforGeeks | 10 Jun, 2019
Given a string and the task is to determine whether the string is made up of the same substrings or not.
Approach:
Initialize a string to the variable.
Use test() method to test a pattern in a string.
The test() method returns true if match is found, otherwise it returns false.
Example 1: This example chec... | [
{
"code": null,
"e": 24570,
"s": 24542,
"text": "\n10 Jun, 2019"
},
{
"code": null,
"e": 24675,
"s": 24570,
"text": "Given a string and the task is to determine whether the string is made up of the same substrings or not."
},
{
"code": null,
"e": 24685,
"s": 24675... |
Load JSON String into Pandas DataFrame - GeeksforGeeks | 18 Aug, 2020
Let us see how can we use a dataset in JSON format in our Pandas DataFrame. This can be done using the built-in read_json() function. It enables us to read the JSON in a Pandas DataFrame.
Example : Consider the JSON file path_to_json.json :
path_to_json.json
# importing the moduleimport pandas # reading t... | [
{
"code": null,
"e": 23873,
"s": 23845,
"text": "\n18 Aug, 2020"
},
{
"code": null,
"e": 24061,
"s": 23873,
"text": "Let us see how can we use a dataset in JSON format in our Pandas DataFrame. This can be done using the built-in read_json() function. It enables us to read the JSO... |
Groovy - JSON | This chapter covers how to we can use the Groovy language for parsing and producing JSON objects.
JsonSlurper
JsonSlurper is a class that parses JSON text or reader content into Groovy data
Structures such as maps, lists and primitive types like Integer, Double, Boolean and String.
JsonOutput
This method is responsible... | [
{
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},
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"s": 2336,
"text": "JsonSlurper"
},
{
"code": null,
"e": 2428,
"s": 2348,
"text": "J... |
Python Program to Check Overlapping Prefix - Suffix in Two Lists - GeeksforGeeks | 02 Feb, 2021
Given 2 Strings, our task is to check overlapping of one string’s suffix with prefix of other string.
Input : test_str1 = "Gfgisbest", test_str2 = "bestforall"
Output : best
Explanation : best overlaps as suffix of first string and prefix of next.
Input : test_str1 = "Gfgisbest", test_str2 = "restforall... | [
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{
"code": null,
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"text": "Given 2 Strings, our task is to check overlapping of one string’s suffix with prefix of other string. "
},
{
"code": null,
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... |
Chef - Solo Setup | Chef-Solo is an open source tool that runs locally and allows to provision guest machines using Chef cookbooks without the complication of any Chef client and server configuration. It helps to execute cookbooks on a self-created server.
Before running Chef-Solo on the local machine, one needs to install the following t... | [
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"text": "Chef-Solo is an open source tool that runs locally and allows to provision guest machines using Chef cookbooks without the complication of any Chef client and server configuration. It helps to execute cookbooks on a self-created server."
},
{
"c... |
Filling diagonal to make the sum of every row, column and diagonal equal of 3x3 matrix - GeeksforGeeks | 06 Jun, 2021
Given 9 elements in a 3 x 3 matrix where the value of diagonals are 0. We need to find the values in diagonal to make the sum of every row, column and diagonal equal.Examples:
Input:
0 3 6
5 0 5
4 7 0
Output:
6 3 6
5 5 5
4 7 4
Explanation:
Now the value of the sum of
any row or column is 15
... | [
{
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"code": null,
"e": 26473,
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"text": "Given 9 elements in a 3 x 3 matrix where the value of diagonals are 0. We need to find the values in diagonal to make the sum of every row, column and diagonal equ... |
How to set action command to JButton in Java | With set action command, here we are displaying a message in the console on the click of a button.
Set the button first:
JButton btn = new JButton("Demo Button");
Now, set Action Listener to fire when the button is clicked:
ActionListener actionListener = new ActionListener() {
public void actionPerformed(ActionEven... | [
{
"code": null,
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"text": "With set action command, here we are displaying a message in the console on the click of a button."
},
{
"code": null,
"e": 1183,
"s": 1161,
"text": "Set the button first:"
},
{
"code": null,
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... |
MySQL Query to remove all characters after last comma in string? | To remove all characters after the last comma in the string, you can use SUBSTRING_INDEX().
If you do not know the location of the last comma, then you need to find the last comma dynamically using LENGTH().
The syntax is as follows −
UPDATE yourTableName
set yourColumnName = SUBSTRING_INDEX(yourColumnName, ',',
LENGTH... | [
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"code": null,
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"text": "To remove all characters after the last comma in the string, you can use SUBSTRING_INDEX()."
},
{
"code": null,
"e": 1270,
"s": 1154,
"text": "If you do not know the location of the last comma, then you need to find the last comma dy... |
NumPy indexing explained. NumPy is the universal standard for... | by Àlex Escolà Nixon | Towards Data Science | NumPy is the universal standard for working with Numerical data in Python. Multidimensional NumPy arrays are extensively used in Pandas, SciPy, Scikit-Learn, scikit-image, which are some of the main data science and scientific Python packages. So a good understanding of NumPy is crucial if we are working with these too... | [
{
"code": null,
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"text": "NumPy is the universal standard for working with Numerical data in Python. Multidimensional NumPy arrays are extensively used in Pandas, SciPy, Scikit-Learn, scikit-image, which are some of the main data science and scientific Python packages. So a good u... |
Exporting an svg file from a Matplotlib figure | To export an SVG file from a matplotlib figure, 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 a figure and a set of subplots.
Create a figure and a set of subplots.
Create r... | [
{
"code": null,
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"text": "To export an SVG file from a matplotlib figure, we can take the following steps −"
},
{
"code": null,
"e": 1220,
"s": 1144,
"text": "Set the figure size and adjust the padding between and around the subplots."
},
{
"code": nu... |
OpenCV - Drawing Arrowed Lines | You can draw an arrowed line on an image using the method arrowedLine() of the imgproc class. Following is the syntax of this method −
arrowedLine(Mat img, Point pt1, Point pt2, Scalar color)
This method accepts the following parameters −
mat − A Mat object representing the image on which the arrowed line is to be dra... | [
{
"code": null,
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"text": "You can draw an arrowed line on an image using the method arrowedLine() of the imgproc class. Following is the syntax of this method −"
},
{
"code": null,
"e": 3197,
"s": 3139,
"text": "arrowedLine(Mat img, Point pt1, Point pt2, Scal... |
React Native - Alert | In this chapter, we will understand how to create custom Alert component.
import React from 'react'
import AlertExample from './alert_example.js'
const App = () => {
return (
<AlertExample />
)
}
export default App
We will create a button for triggering the showAlert function.
import React from 'react'
imp... | [
{
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},
{
"code": null,
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"text": "import React from 'react'\nimport AlertExample from './alert_example.js'\n\nconst App = () => {\n return (... |
How to add rows to a table using JavaScript DOM? | To add rows to a table with JavaScript, use the DOM method insertRow().
You can try to run the following code to learn how to add a row to a table one at a time −
Live Demo
<!DOCTYPE html>
<html>
<head>
<script>
function rowFunction(x) {
var a = document.getElementById(x).insertRow(0);
... | [
{
"code": null,
"e": 1134,
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"text": "To add rows to a table with JavaScript, use the DOM method insertRow()."
},
{
"code": null,
"e": 1225,
"s": 1134,
"text": "You can try to run the following code to learn how to add a row to a table one at a time −"
},
{
"code... |
Clustering datasets having both numerical and categorical variables | by Sushrut Shendre | Towards Data Science | With the advent of machine learning in the modern era, businesses have seen a transformation in the way they make decisions and drive profits. One of the most important attributes of a successful firm is how well they can understand their customers and how well they can cater to their personalized needs. It has become ... | [
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"text": "With the advent of machine learning in the modern era, businesses have seen a transformation in the way they make decisions and drive profits. One of the most important attributes of a successful firm is how well they can understand their customers and ho... |
Matplotlib.axes.Axes.format_xdata() in Python - GeeksforGeeks | 19 Apr, 2020
Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The Axes Class contains most of the figure elements: Axis, Tick, Line2D, Text, Polygon, etc., and sets the coordinate system. And the instances of Axes supports callbacks through a callbacks attribute.
The Axe... | [
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"text": "Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. The Axes Class contains most of the figure elements: Axis, Tick, ... |
How do we set the input type for an Android EditText programmatically using Kotlin? | This example demonstrates how to set the input type for an Android EditText programmatically using Kotlin.
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.
Step 2 − Add the following code to res/layout/activity_main.xml.
<?xml version="1.0"... | [
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},
{
"code": null,
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"s": 1169,
"text": "Step 1 − Create a new project in Android Studio, go to File ⇒ New Project a... |
A Complete Guide to Principal Component Analysis — PCA in Machine Learning | by Ashutosh Tripathi | Towards Data Science | Principal Component Analysis or PCA is a widely used technique for dimensionality reduction of the large data set. Reducing the number of components or features costs some accuracy and on the other hand, it makes the large data set simpler, easy to explore and visualize. Also, it reduces the computational complexity of... | [
{
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"text": "Principal Component Analysis or PCA is a widely used technique for dimensionality reduction of the large data set. Reducing the number of components or features costs some accuracy and on the other hand, it makes the large data set simpler, easy to explor... |
Printing in ElectronJS - GeeksforGeeks | 28 May, 2020
ElectronJS is an Open Source Framework used for building Cross-Platform native desktop applications using web technologies such as HTML, CSS, and JavaScript which are capable of running on Windows, macOS, and Linux operating systems. It combines the Chromium engine and NodeJS into a Single Runtime.
In cert... | [
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{
"code": null,
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"text": "ElectronJS is an Open Source Framework used for building Cross-Platform native desktop applications using web technologies such as HTML, CSS, and JavaScript which ... |
Are outliers ruining your machine learning predictions? Search for an optimal solution | by Kaushik Choudhury | Towards Data Science | In the world of data, we all love Gaussian distribution (also known as a normal distribution). In real-life, seldom we have normal distribution data. It is skewed, missing data points or has outliers.
As I mentioned in my earlier article, the strength of Scikit-learn inadvertently works to its disadvantage. Machine lea... | [
{
"code": null,
"e": 373,
"s": 172,
"text": "In the world of data, we all love Gaussian distribution (also known as a normal distribution). In real-life, seldom we have normal distribution data. It is skewed, missing data points or has outliers."
},
{
"code": null,
"e": 819,
"s": 373... |
Boost.Lexical_Cast in C++ - GeeksforGeeks | 18 Apr, 2022
Boost.LexicalCast which is defined in the Library “boost/lexical_cast.hpp” provides a cast operator, boost::lexical_cast, that can convert numbers from strings to numeric types like int or double and vice versa. boost::lexical_cast is an alternative to functions like std::stoi(), std::stod(), and std::to_s... | [
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"text": "Boost.LexicalCast which is defined in the Library “boost/lexical_cast.hpp” provides a cast operator, boost::lexical_cast, that can convert numbers from strings to ... |
Let’s give some ‘Attention’ to Summarising Texts.. | by Sayak Misra | Towards Data Science | Text Summarization is one of the most challenging and interesting problems in the field of Natural Language Processing (NLP). It is a process of generating a concise and meaningful summary of text from multiple text resources such as books, news articles, blog posts, research papers, emails, and tweets. Now with the av... | [
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"text": "Text Summarization is one of the most challenging and interesting problems in the field of Natural Language Processing (NLP). It is a process of generating a concise and meaningful summary of text from multiple text resources such as books, news articles,... |
JavaFX - Layout Stackpane | If we use the Stack Pane, the nodes are arranged on top of another, just like in stack. The node added first is placed at the bottom of the stack and the next node is placed on top of it.
The class named StackPane of the package javafx.scene.layout represents the StackPane. This class contains a single property named a... | [
{
"code": null,
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"text": "If we use the Stack Pane, the nodes are arranged on top of another, just like in stack. The node added first is placed at the bottom of the stack and the next node is placed on top of it."
},
{
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What is the difference between Monitor and Lock in C#? | Both Monitor and lock provides a mechanism that synchronizes access to objects.
lock is the shortcut for Monitor.Enter with try and finally.
Lock is a shortcut and it's the option for the basic usage. If we need more control to implement advanced multithreading solutions using TryEnter() Wait(), Pulse(), &
PulseAll() m... | [
{
"code": null,
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"text": "Both Monitor and lock provides a mechanism that synchronizes access to objects.\nlock is the shortcut for Monitor.Enter with try and finally."
},
{
"code": null,
"e": 1429,
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"text": "Lock is a shortcut and it's the option f... |
How do I change a MongoDB user's password? | You need to use changeUserPassword() to change a user’s password. Let us first create a user with some roles. Following is the query to create a user in MongoDB −
> use admin
switched to db admin
> db.createUser(
... {
... user: "Chris",
... pwd: "chris",
... roles: [ { role: "readWrite", db: "test... | [
{
"code": null,
"e": 1225,
"s": 1062,
"text": "You need to use changeUserPassword() to change a user’s password. Let us first create a user with some roles. Following is the query to create a user in MongoDB −"
},
{
"code": null,
"e": 1544,
"s": 1225,
"text": "> use admin\nswitch... |
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