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|---|---|---|
DirectX - Picking | The traditional method which is needed to perform the action of picking relies on the technique is called ray-casting. The user can shoot a ray from the camera position through the selected point which the aspect of near plane of the required frustum which intersects the resulting ray. The first object intersected by t... | [
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"text": "The traditional method which is needed to perform the action of picking relies on the technique is called ray-casting. The user can shoot a ray from the camera position through the selected point which the aspect of near plane of the required frustum wh... |
How to Display Validation Message for Radio Buttons with Inline Images using Bootstrap 4 ? - GeeksforGeeks | 18 Nov, 2021
By Default, Bootstrap 4 has various form features for radio buttons with images inline. Here HTML 5 has default validation features, However, for custom validation, we must use JavaScript or jQuery. The following approaches would help in the display validation message for radio buttons with images inline.A... | [
{
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"text": "\n18 Nov, 2021"
},
{
"code": null,
"e": 25649,
"s": 24979,
"text": "By Default, Bootstrap 4 has various form features for radio buttons with images inline. Here HTML 5 has default validation features, However, for custom validation... |
Permutations of a given string using STL - GeeksforGeeks | 03 Feb, 2021
A permutation, also called an “arrangement number” or “order”, is a rearrangement of the elements of an ordered list S into a one-to-one correspondence with S itself. A string of length n has n! permutation. Source: Mathword
Below are the permutations of string ABC.
“ABC”, “ACB”, “BAC”, “BCA”, “CBA”, “CAB... | [
{
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"text": "\n03 Feb, 2021"
},
{
"code": null,
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"text": "A permutation, also called an “arrangement number” or “order”, is a rearrangement of the elements of an ordered list S into a one-to-one correspondence with S itse... |
Get data from sessionStorage in JavaScript? | The localStorage and sessionStorage properties allow to save key/value pairs in a web browser. The sessionStorage object stores data for only one session. The data will be deleted when the browser is closed. It works the same as local storage. Initially, we have to check whether the browser supports the session storage... | [
{
"code": null,
"e": 1460,
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"text": "The localStorage and sessionStorage properties allow to save key/value pairs in a web browser. The sessionStorage object stores data for only one session. The data will be deleted when the browser is closed. It works the same as local storage. Initially... |
How to Install Azure PowerShell Cmdlets? | Before Installing the Azure cmdlets for PowerShell, it is recommended to upgrade it to the PowerShell version 7.X to leverage the new features.
To install the PowerShell cmdlets for Azure, you need to download and install the AZ module.
Install-Module -Name Az -AllowClobber -Scope CurrentUser
To install it for all the ... | [
{
"code": null,
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"text": "Before Installing the Azure cmdlets for PowerShell, it is recommended to upgrade it to the PowerShell version 7.X to leverage the new features."
},
{
"code": null,
"e": 1299,
"s": 1206,
"text": "To install the PowerShell cmdlets for ... |
Code Optimization Technique (logical AND and logical OR) - GeeksforGeeks | 14 Dec, 2021
While using && (logical AND), we must put the condition first whose probability of getting false is high so that compiler doesn’t need to check the second condition if the first condition is false.
C++14
Python3
#include <bits/stdc++.h>using namespace std;// Function to check whether n is oddbool isOdd(in... | [
{
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"text": "\n14 Dec, 2021"
},
{
"code": null,
"e": 24901,
"s": 24702,
"text": "While using && (logical AND), we must put the condition first whose probability of getting false is high so that compiler doesn’t need to check the second conditio... |
fold command in Linux with examples - GeeksforGeeks | 15 May, 2019
fold command in Linux wraps each line in an input file to fit a specified width and prints it to the standard output. By default, it wraps lines at a maximum width of 80 columns but this is configurable. To fold input using the fold command pass a file or standard input to the command.
Syntax:
$ fold [OPTI... | [
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"code": null,
"e": 24315,
"s": 24028,
"text": "fold command in Linux wraps each line in an input file to fit a specified width and prints it to the standard output. By default, it wraps lines at a maximum width... |
How to stop multiple services using PowerShell? | To stop multiple services can be stopped using Name or displayname by providing command (,) between them.
With name and DisplayName,
Stop-Service -Name Spooler, W32Time -Verbose
Stop-Service -DisplayName "Print Spooler","Windows Time" –Verbose | [
{
"code": null,
"e": 1168,
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"text": "To stop multiple services can be stopped using Name or displayname by providing command (,) between them."
},
{
"code": null,
"e": 1195,
"s": 1168,
"text": "With name and DisplayName,"
},
{
"code": null,
"e": 1306,
"s... |
SQL - RDBMS Concepts | RDBMS stands for Relational Database Management System. RDBMS is the basis for SQL, and for all modern database systems like MS SQL Server, IBM DB2, Oracle, MySQL, and Microsoft Access.
A Relational database management system (RDBMS) is a database management system (DBMS) that is based on the relational model as introd... | [
{
"code": null,
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"text": "RDBMS stands for Relational Database Management System. RDBMS is the basis for SQL, and for all modern database systems like MS SQL Server, IBM DB2, Oracle, MySQL, and Microsoft Access."
},
{
"code": null,
"e": 2793,
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"text... |
Huber and Ridge Regressions in Python: Dealing with Outliers | by Michael Grogan | Towards Data Science | Traditional linear regression can prove to have some shortcomings when it comes to handling outliers in a set of data.
Specifically, if a data point lies very far away from other points in the set — this can significantly influence the least squares regression line, i.e. the line that approximates the overall direction... | [
{
"code": null,
"e": 291,
"s": 172,
"text": "Traditional linear regression can prove to have some shortcomings when it comes to handling outliers in a set of data."
},
{
"code": null,
"e": 563,
"s": 291,
"text": "Specifically, if a data point lies very far away from other points ... |
C# Abstraction | Data abstraction is the process of hiding certain details and showing only essential information to the user.
Abstraction can be achieved with either abstract classes or
interfaces (which you will learn more about in the next chapter).
The abstract keyword is used for classes and methods:
Abstract class: is a restric... | [
{
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"text": "Data abstraction is the process of hiding certain details and showing only essential information to the user.\nAbstraction can be achieved with either abstract classes or \ninterfaces (which you will learn more about in the next chapter)."
},
{
"cod... |
TestNG - Basic Annotations - BeforeSuite | @BeforeSuite annotated method will be run before the execution of all the test cases defined in the folder or inside a TestNG suite. For example, this annotation is used when you have separate URLs to test all your test cases. Environment variables can be set in a @BeforeSuite annotated method. Next, before executing a... | [
{
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"text": "@BeforeSuite annotated method will be run before the execution of all the test cases defined in the folder or inside a TestNG suite. For example, this annotation is used when you have separate URLs to test all your test cases. Environment variables can ... |
Drawing an image from a data URL to a HTML5 canvas | If you have a data url, you can create an image to a canvas. This can be done as shown in the following code snippet −
var myImg = new Image;
myImg.src = strDataURI;
The drawImage() method draws an image, canvas, or video onto the canvas. The drawImage() method can also draw parts of an image, and/or increase/reduce th... | [
{
"code": null,
"e": 1181,
"s": 1062,
"text": "If you have a data url, you can create an image to a canvas. This can be done as shown in the following code snippet −"
},
{
"code": null,
"e": 1228,
"s": 1181,
"text": "var myImg = new Image;\nmyImg.src = strDataURI;"
},
{
"... |
How to Align Text in HTML? - GeeksforGeeks | 24 Jun, 2021
HTML stands for HyperText Markup Language. It is used to design web pages using a markup language. HTML is the combination of Hypertext and Markup language. Hypertext defines the link between the web pages. A markup language is used to define the text document within tag which defines the structure of web ... | [
{
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"text": "\n24 Jun, 2021"
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"code": null,
"e": 24672,
"s": 24358,
"text": "HTML stands for HyperText Markup Language. It is used to design web pages using a markup language. HTML is the combination of Hypertext and Markup language. Hypert... |
Why do we get ClassNotFoundException when the class exists in Java? | Whenever we try to load a class, if the class loader is not able to find the class at the specified path a ClassNotFoundException is generated.
This may occur while executing java program, loading a class explicitly using forName() method of the class named Class or the loadClass() method of the ClassLoader class. Thes... | [
{
"code": null,
"e": 1206,
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"text": "Whenever we try to load a class, if the class loader is not able to find the class at the specified path a ClassNotFoundException is generated."
},
{
"code": null,
"e": 1479,
"s": 1206,
"text": "This may occur while executing java pr... |
How to get the FPS value in OpenCV using C++? | To get the FPS value, we used the 'get()' command of and 'CAP_PROP_FPS' as the argument of the 'get()'. This argument returns the FPS in integer form.
At the starting of the program, we have taken an integer variable named 'FPS'. Then we used FPS = cap.get(CAP_PROP_FPS); to store the FPS value in the variable.
The foll... | [
{
"code": null,
"e": 1213,
"s": 1062,
"text": "To get the FPS value, we used the 'get()' command of and 'CAP_PROP_FPS' as the argument of the 'get()'. This argument returns the FPS in integer form."
},
{
"code": null,
"e": 1374,
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"text": "At the starting of the program,... |
How To Write a Number Systems Calculator in Python | by Martin Andersson Aaberge | Towards Data Science | In this article, we will build a calculator we can use to convert any number from any base to any other base. In number systems, “Base” tells us how many numbers you have available. Binary has 2, octal has 8, decimal has 10 etc.
The program we are about to write can handle any number and base we throw at it. When we fi... | [
{
"code": null,
"e": 401,
"s": 172,
"text": "In this article, we will build a calculator we can use to convert any number from any base to any other base. In number systems, “Base” tells us how many numbers you have available. Binary has 2, octal has 8, decimal has 10 etc."
},
{
"code": null... |
How to extend a Keras Model. Passing through instance keys and... | by Drew Hodun | Towards Data Science | Generally, you only need your Keras model to return prediction values, but there are situations where you want your predictions to retain a portion of the input. A common example is forwarding unique ‘instance keys’ while performing batch predictions. In this blog and corresponding notebook code, I’ll demonstrate how t... | [
{
"code": null,
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"text": "Generally, you only need your Keras model to return prediction values, but there are situations where you want your predictions to retain a portion of the input. A common example is forwarding unique ‘instance keys’ while performing batch predictions. In ... |
Lucene - Update Document Operation | Update document is another important operation as part of indexing process. This operation is used when already indexed contents are updated and indexes become invalid. This operation is also known as re-indexing.
We update Document(s) containing Field(s) to IndexWriter where IndexWriter is used to update indexes.
We w... | [
{
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"text": "Update document is another important operation as part of indexing process. This operation is used when already indexed contents are updated and indexes become invalid. This operation is also known as re-indexing."
},
{
"code": null,
"e": 21... |
Client-side Validation | In this chapter, we will learn how validation helps in Python Pentesting.
The main goal of validation is to test and ensure that the user has provided necessary and properly formatted information needed to successfully complete an operation.
There are two different types of validation −
client-side validation (web brow... | [
{
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"text": "In this chapter, we will learn how validation helps in Python Pentesting."
},
{
"code": null,
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"text": "The main goal of validation is to test and ensure that the user has provided necessary and properly formatte... |
Jupyter Notebook or Lab or VS Code? | by Daniel Deutsch | Towards Data Science | I have been working with various IDEs for my Python development over the last few years. Recently I asked myself if it would make sense to check if it is useful to update my current practice and see if alternatives offer better productivity. There is often the question if one IDE is better than the other. In this artic... | [
{
"code": null,
"e": 574,
"s": 172,
"text": "I have been working with various IDEs for my Python development over the last few years. Recently I asked myself if it would make sense to check if it is useful to update my current practice and see if alternatives offer better productivity. There is ofte... |
Check whether String is an interface or class in Java | The method java.lang.Class.isInterface() is used to find if String is an interface or class in Java. This method returns true if String is an interface, otherwise it returns false.
A program that demonstrates this is given as follows −
Live Demo
package Test;
import java.lang.*;
public class Demo {
public static vo... | [
{
"code": null,
"e": 1243,
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"text": "The method java.lang.Class.isInterface() is used to find if String is an interface or class in Java. This method returns true if String is an interface, otherwise it returns false."
},
{
"code": null,
"e": 1298,
"s": 1243,
"text": "A... |
What permission do I need to access Internet from an Android application? | <uses-permission android:name="android.permission.INTERNET"/>
This example demonstrates how do I open google from android app using Internet permission.
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... | [
{
"code": null,
"e": 1124,
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"text": "<uses-permission android:name=\"android.permission.INTERNET\"/>"
},
{
"code": null,
"e": 1215,
"s": 1124,
"text": "This example demonstrates how do I open google from android app using Internet permission."
},
{
"code": null,... |
ML | Fowlkes-Mallows Score - GeeksforGeeks | 28 Nov, 2019
The Fowlkes-Mallows Score is an evaluation metric to evaluate the similarity among clusterings obtained after applying different clustering algorithms. Although technically it is used to quantify the similarity between two clusterings, it is typically used to evaluate the clustering performance of a cluste... | [
{
"code": null,
"e": 24005,
"s": 23977,
"text": "\n28 Nov, 2019"
},
{
"code": null,
"e": 24451,
"s": 24005,
"text": "The Fowlkes-Mallows Score is an evaluation metric to evaluate the similarity among clusterings obtained after applying different clustering algorithms. Although te... |
Pattern Printing | Practice | GeeksforGeeks | Given a number N. The task is to print a series of asterisk(*) from 1 till N terms with increasing order and difference being 1.
Example 1:
Input:
N = 3
Output:
* ** ***
Explanation:
First, print 1 asterisk then space after
that print 2 asterisk and space after that
print 3 asterisk now stop as N is 3.
Example 2:
Inp... | [
{
"code": null,
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"text": "Given a number N. The task is to print a series of asterisk(*) from 1 till N terms with increasing order and difference being 1."
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{
"code": null,
"e": 366,
"s": 355,
"text": "Example 1:"
},
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... |
LESS - Mixins | Mixins are similar to functions in programming languages. Mixins are a group of CSS properties that allow you to use properties of one class for another class and includes class name as its properties. In LESS, you can declare a mixin in the same way as CSS style using class or id selector. It can store multiple values... | [
{
"code": null,
"e": 2921,
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"text": "Mixins are similar to functions in programming languages. Mixins are a group of CSS properties that allow you to use properties of one class for another class and includes class name as its properties. In LESS, you can declare a mixin in the same way as... |
How to use if clause in MySQL to display Students result as Pass or Fail in a new column? | Let us first create a table −
mysql> create table DemoTable
-> (
-> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,
-> Name varchar(100),
-> Subject varchar(100),
-> Score int
-> );
Query OK, 0 rows affected (0.94 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable(Na... | [
{
"code": null,
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"text": "Let us first create a table −"
},
{
"code": null,
"e": 1295,
"s": 1092,
"text": "mysql> create table DemoTable\n -> (\n -> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY,\n -> Name varchar(100),\n -> Subject varchar(100),\n -> ... |
Python VLC MediaPlayer - Checking if it is playing or not - GeeksforGeeks | 10 Feb, 2022
In this article we will see how we can check if the video is playing in MediaPlayer object in the python vlc module. VLC media player is a free and open-source portable cross-platform media player software and streaming media server developed by the VideoLAN project. MediPlyer object is the basic object in... | [
{
"code": null,
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"s": 24264,
"text": "\n10 Feb, 2022"
},
{
"code": null,
"e": 24745,
"s": 24292,
"text": "In this article we will see how we can check if the video is playing in MediaPlayer object in the python vlc module. VLC media player is a free and open-source por... |
PHP 7 - Closure::call() | Closure::call() method is added as a shorthand way to temporarily bind an object scope to a closure and invoke it. It is much faster in performance as compared to bindTo of PHP 5.6.
<?php
class A {
private $x = 1;
}
// Define a closure Pre PHP 7 code
$getValue = function() {
return $this->x;
... | [
{
"code": null,
"e": 2259,
"s": 2077,
"text": "Closure::call() method is added as a shorthand way to temporarily bind an object scope to a closure and invoke it. It is much faster in performance as compared to bindTo of PHP 5.6."
},
{
"code": null,
"e": 2492,
"s": 2259,
"text": "... |
Sentiment Analysis — A how-to guide with movie reviews | by Shiao-li Green | Towards Data Science | So, what exactly is sentiment? Sentiment relates to the meaning of a word or sequence of words and is usually associated with an opinion or emotion. And analysis? Well, this is the process of looking at data and making inferences; in this case, using machine learning to learn and predict whether a movie review is posit... | [
{
"code": null,
"e": 509,
"s": 172,
"text": "So, what exactly is sentiment? Sentiment relates to the meaning of a word or sequence of words and is usually associated with an opinion or emotion. And analysis? Well, this is the process of looking at data and making inferences; in this case, using mach... |
Write a Python program to export dataframe into an Excel file with multiple sheets | Assume, you have a dataframe and the result for export dataframe to multiple sheets as,
To solve this, we will follow the steps given below −
import xlsxwriter module to use excel conversion
import xlsxwriter module to use excel conversion
Define a dataframe and assign to df
Define a dataframe and assign to df
Apply pd... | [
{
"code": null,
"e": 1150,
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"text": "Assume, you have a dataframe and the result for export dataframe to multiple sheets as,"
},
{
"code": null,
"e": 1204,
"s": 1150,
"text": "To solve this, we will follow the steps given below −"
},
{
"code": null,
"e": 125... |
Apache Pig - TOP() | The TOP() function of Pig Latin is used to get the top N tuples of a bag. To this function, as inputs, we have to pass a relation, the number of tuples we want, and the column name whose values are being compared. This function will return a bag containing the required columns.
Given below is the syntax of the function... | [
{
"code": null,
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"text": "The TOP() function of Pig Latin is used to get the top N tuples of a bag. To this function, as inputs, we have to pass a relation, the number of tuples we want, and the column name whose values are being compared. This function will return a bag contain... |
Install Visual Studio Code in Kali Linux - GeeksforGeeks | 17 Jun, 2021
Visual Studio Code is an open-source, cross-platform source-code editor developed by Microsoft. It is used by developers for developing software and writing code using programming languages such as C, C++, Python, Go, Java, etc. Visual Studio Code employs the same editor used in Azure, DevOps
Debugging
Sy... | [
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"text": "\n17 Jun, 2021"
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"code": null,
"e": 24701,
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"text": "Visual Studio Code is an open-source, cross-platform source-code editor developed by Microsoft. It is used by developers for developing software and writing code u... |
What is Scanner class in Java? when was it introduced? | Until Java 1.5 to read data from the user programmers used to depend on the character stream classes and byte stream classes.
From Java 1.5 Scanner class was introduced. This class accepts a File, InputStream, Path and, String objects, reads all the primitive data types and Strings (from the given source) token by toke... | [
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},
{
"code": null,
"e": 1411,
"s": 1188,
"text": "From Java 1.5 Scanner class was introduced. This class a... |
Program to equal two strings of same length by swapping characters in Python | Suppose we have two strings s and t of length n. We can take one character from s and another
from t and swap them. We can make unlimited number of swaps; we have to check whether it's
possible to make the two strings equal or not.
So, if the input is like s = "xy", t = "yx", then the output will be True
To solve this,... | [
{
"code": null,
"e": 1294,
"s": 1062,
"text": "Suppose we have two strings s and t of length n. We can take one character from s and another\nfrom t and swap them. We can make unlimited number of swaps; we have to check whether it's\npossible to make the two strings equal or not."
},
{
"code... |
EmailField – Django Forms | 13 Feb, 2020
EmailField in Django Forms is a string field, for input of Emails. It is used for taking text inputs from the user. The default widget for this input is EmailInput. It uses MaxLengthValidator and MinLengthValidator if max_length and min_length are provided. Otherwise, all inputs are valid.
EmailField has f... | [
{
"code": null,
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"text": "\n13 Feb, 2020"
},
{
"code": null,
"e": 319,
"s": 28,
"text": "EmailField in Django Forms is a string field, for input of Emails. It is used for taking text inputs from the user. The default widget for this input is EmailInput. It uses Ma... |
Dart – Unit Testing | 09 May, 2021
Unit Testing is a process of testing individual components of a software/application separately, to ensure that each component is functioning as intended.
It provides multiple advantages such as –
Ability to test out individual components without running the whole software/application.
Pinpoint errors eas... | [
{
"code": null,
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"text": "\n09 May, 2021"
},
{
"code": null,
"e": 208,
"s": 52,
"text": "Unit Testing is a process of testing individual components of a software/application separately, to ensure that each component is functioning as intended. "
},
{
"cod... |
PHP | current() Function | 14 Feb, 2022
The current() function is an inbuilt function in PHP.
It is used to return the value of the element in an array which the internal pointer is currently pointing to.
The current() function does not increment or decrement the internal pointer after returning the value.
In PHP, all arrays have an internal poi... | [
{
"code": null,
"e": 28,
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"text": "\n14 Feb, 2022"
},
{
"code": null,
"e": 82,
"s": 28,
"text": "The current() function is an inbuilt function in PHP."
},
{
"code": null,
"e": 193,
"s": 82,
"text": "It is used to return the value of the element in an ar... |
killall Command in Linux with Examples | 02 Nov, 2020
Have you ever confronted the circumstance where you executed a program or an application, and abruptly while you are utilizing the application, it gets halted and starts to crash? You attempt to begin the application again, yet nothing happens on the grounds that the first application measure never genuine... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n02 Nov, 2020"
},
{
"code": null,
"e": 528,
"s": 54,
"text": "Have you ever confronted the circumstance where you executed a program or an application, and abruptly while you are utilizing the application, it gets halted and starts to c... |
Delete array element in given index range [L – R] | 03 Jun, 2021
Given an array A[] and size of an array is N. The task is to delete elements of array A[] are in given range L to R both are exclusive.Examples:
Input : N = 12
A[] = { 3, 5, 3, 4, 9, 3, 1, 6, 3, 11, 12, 3}
L = 2
R = 7
Output : 3 5 3 6 3 11 12 3
since A[2] = 3 but this is exclude ... | [
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"code": null,
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"text": "Given an array A[] and size of an array is N. The task is to delete elements of array A[] are in given range L to R both are exclusive.Examples: "
},
{
"code": null,... |
C# Program to Get Current Stack Trace Information Using Environment Class | 21 Nov, 2021
In C#, Environment Class provides information about the current platform and manipulates, the current platform. It is useful for getting and setting various operating system-related information. We can use it in such a way that it retrieves command-line arguments information, exit codes information, enviro... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n21 Nov, 2021"
},
{
"code": null,
"e": 763,
"s": 28,
"text": "In C#, Environment Class provides information about the current platform and manipulates, the current platform. It is useful for getting and setting various operating system-r... |
Priority Queue using array in C++ | 25 Jan, 2022
Priority Queue is an extension of the Queue data structure where each element has a particular priority associated with it. It is based on the priority value, the elements from the queue are deleted.
Operations on Priority Queue:
enqueue(): This function is used to insert new data into the queue.
dequeue()... | [
{
"code": null,
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"code": null,
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"text": "Priority Queue is an extension of the Queue data structure where each element has a particular priority associated with it. It is based on the priority value, the elements fr... |
include guards in C++ | 28 Jan, 2021
While programming in C++ we often use a class multiple times, and hence it requires to create a header file and just include it in the main program. Now, sometimes it happens that a certain header file directly or indirectly get included multiple times, then the class declared in the header file gets re-de... | [
{
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{
"code": null,
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"text": "While programming in C++ we often use a class multiple times, and hence it requires to create a header file and just include it in the main program. Now, sometimes it happens... |
Minimum Cost Path in a directed graph via given set of intermediate nodes | 15 Dec, 2021
Given a weighted, directed graph G, an array V[] consisting of vertices, the task is to find the Minimum Cost Path passing through all the vertices of the set V, from a given source S to a destination D.
Examples:
Input: V = {7}, S = 0, D = 6
Output: 11 Explanation: Minimum path 0->7->5->6. Therefore, t... | [
{
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"code": null,
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"text": "Given a weighted, directed graph G, an array V[] consisting of vertices, the task is to find the Minimum Cost Path passing through all the vertices of the set V, from a given ... |
matplotlib.axes.Axes.twiny() in Python | 21 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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"code": null,
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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, Line2D, Text... |
Importance of Thread Synchronization in Java | 11 Apr, 2022
Our systems are working in a multithreading environment that becomes an important part for OS to provide better utilization of resources. The process of running two or more parts of the program simultaneously is known as Multithreading. A program is a set of instructions in which multiple processes are run... | [
{
"code": null,
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"s": 25,
"text": "\n11 Apr, 2022"
},
{
"code": null,
"e": 1067,
"s": 53,
"text": "Our systems are working in a multithreading environment that becomes an important part for OS to provide better utilization of resources. The process of running two or more ... |
Setting full screen iframe in JavaScript? | Following is the code for setting full screen iframe in JavaScript −
Live Demo
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans... | [
{
"code": null,
"e": 1131,
"s": 1062,
"text": "Following is the code for setting full screen iframe in JavaScript −"
},
{
"code": null,
"e": 1142,
"s": 1131,
"text": " Live Demo"
},
{
"code": null,
"e": 2059,
"s": 1142,
"text": "<!DOCTYPE html>\n<html lang=\"e... |
Perl lock Function | This function places an advisory lock on a shared variable, or referenced object contained in THING until the lock goes out of scope.
lock() is a "weak keyword" : this means that if you've defined a function by this name before any calls to it, that function will be called instead.
Following is the simple syntax for th... | [
{
"code": null,
"e": 2354,
"s": 2220,
"text": "This function places an advisory lock on a shared variable, or referenced object contained in THING until the lock goes out of scope."
},
{
"code": null,
"e": 2503,
"s": 2354,
"text": "lock() is a \"weak keyword\" : this means that i... |
Get all MySQL records from the previous day (yesterday)? | To get the records from the previous day, the following is the syntax
select *from yourTableName where date(yourColumnName)= DATE(NOW() - INTERVAL 1 DAY);
To understand the above syntax, let us create a table. The query to create a table is as follows
mysql> create table yesterDayRecordsDemo
-> (
-> Id int NOT NU... | [
{
"code": null,
"e": 1132,
"s": 1062,
"text": "To get the records from the previous day, the following is the syntax"
},
{
"code": null,
"e": 1217,
"s": 1132,
"text": "select *from yourTableName where date(yourColumnName)= DATE(NOW() - INTERVAL 1 DAY);"
},
{
"code": null,... |
Basic calculator program using Python | In this program we will see how to accomplish the basic calculator functionalities of a calculator using a python program. Here we create individual functions to carry out the calculations and return the result. Also user input is accepted along with the choice of operator.
# This function performs additiion
def add(a,... | [
{
"code": null,
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"s": 1062,
"text": "In this program we will see how to accomplish the basic calculator functionalities of a calculator using a python program. Here we create individual functions to carry out the calculations and return the result. Also user input is accepted along with th... |
QuestDB vs. TimescaleDB. How to use the Time Series Benchmark... | by Kovid Rathee | Towards Data Science | In the world more connected than ever, billions of users are generating more data than ever. From human communication to the digital footprint we create, IoT sensors have become ubiquitous, and financial transactions are digitized. We have an explosion of the volume of time-centric data, and we are struggling to keep u... | [
{
"code": null,
"e": 733,
"s": 172,
"text": "In the world more connected than ever, billions of users are generating more data than ever. From human communication to the digital footprint we create, IoT sensors have become ubiquitous, and financial transactions are digitized. We have an explosion of... |
How to set the day of a date in JavaScript? | Following is the code to set the day of a date in JavaScript −
Live Demo
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-seri... | [
{
"code": null,
"e": 1125,
"s": 1062,
"text": "Following is the code to set the day of a date in JavaScript −"
},
{
"code": null,
"e": 1136,
"s": 1125,
"text": " Live Demo"
},
{
"code": null,
"e": 2103,
"s": 1136,
"text": "<!DOCTYPE html>\n<html lang=\"en\" >\... |
SQL DELETE Statement | The DELETE statement is used to delete existing records in a table.
Note: Be careful when deleting records in a table! Notice the
WHERE clause in the
DELETE statement.
The WHERE clause specifies which record(s) should be deleted. If
you omit the WHERE clause, all records in the table will be deleted!
Below is a sele... | [
{
"code": null,
"e": 68,
"s": 0,
"text": "The DELETE statement is used to delete existing records in a table."
},
{
"code": null,
"e": 305,
"s": 68,
"text": "Note: Be careful when deleting records in a table! Notice the \nWHERE clause in the \nDELETE statement.\nThe WHERE clause ... |
Result of sizeof operator using C++ | Sizeof operator is one of the most used operators in C language used to compute the size of any data structure or data type that we pass through it. The sizeof operator returns unsigned integer type, and this operator can be applied to primitive and compound data types. We can use sizeof operator directly to data types... | [
{
"code": null,
"e": 1421,
"s": 1062,
"text": "Sizeof operator is one of the most used operators in C language used to compute the size of any data structure or data type that we pass through it. The sizeof operator returns unsigned integer type, and this operator can be applied to primitive and com... |
Predict Any Cryptocurrency Applying NLP using Global News | by Federico Riveroll | Towards Data Science | Note from Towards Data Science’s editors: While we allow independent authors to publish articles in accordance with our rules and guidelines, we do not endorse each author’s contribution. You should not rely on an author’s works without seeking professional advice. See our Reader Terms for details.
On today’s harsh glo... | [
{
"code": null,
"e": 472,
"s": 172,
"text": "Note from Towards Data Science’s editors: While we allow independent authors to publish articles in accordance with our rules and guidelines, we do not endorse each author’s contribution. You should not rely on an author’s works without seeking profession... |
How to Create Text Reveal Effect for Buttons using HTML and CSS ? - GeeksforGeeks | 30 Jun, 2020
Buttons are the most important user interface component for any website. It is very important to design the buttons in a creatively unique way. The text-reveal effect for a button is used when it is used to reveal some offer or exciting content for enhancing the user experience.
Approach: The approach is t... | [
{
"code": null,
"e": 25931,
"s": 25903,
"text": "\n30 Jun, 2020"
},
{
"code": null,
"e": 26211,
"s": 25931,
"text": "Buttons are the most important user interface component for any website. It is very important to design the buttons in a creatively unique way. The text-reveal eff... |
How to Calculate Quartiles in R? - GeeksforGeeks | 19 Dec, 2021
In this article, we will discuss how to calculate quartiles in the R programming language.
Quartiles are just special percentiles that occur after a certain percent of data has been covered.
First quartile: Refers to 25th percentile of the data. This depicts that 25% percent of data is under the produced ... | [
{
"code": null,
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"text": "\n19 Dec, 2021"
},
{
"code": null,
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"text": "In this article, we will discuss how to calculate quartiles in the R programming language. "
},
{
"code": null,
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"s": 25334,
"text":... |
Complex Queries in SQL. Texts on SQL are good at providing the... | by Robert de Graaf | Towards Data Science | Texts on SQL are good at providing the basic templates of SQL syntax, but sometimes the queries in those books are a little idealised compared to real life, with no more than two or three tables to join and a small number of fields to deal with. As a result, the queries themselves are usually no more than a dozen lines... | [
{
"code": null,
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"s": 171,
"text": "Texts on SQL are good at providing the basic templates of SQL syntax, but sometimes the queries in those books are a little idealised compared to real life, with no more than two or three tables to join and a small number of fields to deal with. As a resu... |
Java program to delete duplicate characters from a given String | The interface Set does not allow duplicate elements, therefore, create a set object and try to add each element to it using the add() method in case of repetition of elements this method returns false −
If you try to add all the elements of the array to a Set, it accepts only unique elements so, to find duplicate chara... | [
{
"code": null,
"e": 1265,
"s": 1062,
"text": "The interface Set does not allow duplicate elements, therefore, create a set object and try to add each element to it using the add() method in case of repetition of elements this method returns false −"
},
{
"code": null,
"e": 1406,
"s"... |
Program to Add Two Complex Numbers in C | Given are the two complex numbers in the form of a1+ ib1 and a2 + ib2, the task is to add these two complex numbers.
Complex numbers are those numbers which can be expressed in the form of “a+ib” where “a” and “b” are the real numbers and i is the imaginary number which is the solution of the expression x 2 = −1 as no ... | [
{
"code": null,
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"text": "Given are the two complex numbers in the form of a1+ ib1 and a2 + ib2, the task is to add these two complex numbers."
},
{
"code": null,
"e": 1462,
"s": 1179,
"text": "Complex numbers are those numbers which can be expressed in the f... |
CSS mask-image Property - GeeksforGeeks | 10 Aug, 2021
The mask-image property in CSS is used to set the mask of an image or a text. It is used to form a mask layer for a particular element in CSS.
Syntax:
mask-image: none | <mask-source>
none: No mask layer is set and transparent black layer is set.
Syntax:
mask-image: none
Example:
In this example, no mask ... | [
{
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"text": "\n10 Aug, 2021"
},
{
"code": null,
"e": 25519,
"s": 25376,
"text": "The mask-image property in CSS is used to set the mask of an image or a text. It is used to form a mask layer for a particular element in CSS."
},
{
"code"... |
What does 'Space Complexity' mean? - GeeksforGeeks | 24 Sep, 2021
Space Complexity: The term Space Complexity is misused for Auxiliary Space at many places. Following are the correct definitions of Auxiliary Space and Space Complexity.
Auxiliary Space is the extra space or temporary space used by an algorithm.
Space Complexity of an algorithm is the total space taken b... | [
{
"code": null,
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"s": 34567,
"text": "\n24 Sep, 2021"
},
{
"code": null,
"e": 34766,
"s": 34595,
"text": "Space Complexity: The term Space Complexity is misused for Auxiliary Space at many places. Following are the correct definitions of Auxiliary Space and Space Compl... |
In-place Operations in PyTorch. What are they and why avoid them | by Alexandra Deis | Towards Data Science | Today’s advanced deep neural networks have millions of trainable parameters (for example, see the comparison in this paper) and trying to train them on free GPU’s like Kaggle or Google Colab often leads to running out of memory on GPU. There are several simple ways to reduce the GPU memory occupied by the model, for ex... | [
{
"code": null,
"e": 499,
"s": 172,
"text": "Today’s advanced deep neural networks have millions of trainable parameters (for example, see the comparison in this paper) and trying to train them on free GPU’s like Kaggle or Google Colab often leads to running out of memory on GPU. There are several s... |
Convert ArrayList to Comma Separated String in Java - GeeksforGeeks | 18 Nov, 2021
ArrayList is a part of collection framework and is present in java.util package. It provides us with dynamic arrays in Java. In order to convert ArrayList to a comma-separated String, these are the approaches available in Java as listed and proposed below as follows:
Earlier before Java 8 there were only s... | [
{
"code": null,
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"text": "\n18 Nov, 2021"
},
{
"code": null,
"e": 24216,
"s": 23948,
"text": "ArrayList is a part of collection framework and is present in java.util package. It provides us with dynamic arrays in Java. In order to convert ArrayList to a com... |
Python program to check if the given number is a Disarium Number | When it is required to check if a given nmber is a disarium number, the sum of digits powered to their respective position is computed. Before this, the number of digits present in the number is determined.
A Disarium Number is the one where the sum of its digits to the power of their respective position is equal to th... | [
{
"code": null,
"e": 1269,
"s": 1062,
"text": "When it is required to check if a given nmber is a disarium number, the sum of digits powered to their respective position is computed. Before this, the number of digits present in the number is determined."
},
{
"code": null,
"e": 1408,
... |
How do we access command line arguments in Python? | Command line is the place where executable commands are given to operating system. A Python script can be executed by writing its name in front of python executable in the command line.
C:\users\acer>python test.py
If you want some data elements to be passed to Python script for its processing, these elements are writt... | [
{
"code": null,
"e": 1248,
"s": 1062,
"text": "Command line is the place where executable commands are given to operating system. A Python script can be executed by writing its name in front of python executable in the command line."
},
{
"code": null,
"e": 1277,
"s": 1248,
"text... |
Topic Modeling In NLP. With a focus on Latent Dirichlet... | by Arun Jagota | Towards Data Science | In natural language processing, the term topic means a set of words that “go together”. These are the words that come to mind when thinking of this topic. Take sports. Some such words are athlete, soccer, and stadium.
A topic model is one that automatically discovers topics occurring in a collection of documents. A tra... | [
{
"code": null,
"e": 264,
"s": 46,
"text": "In natural language processing, the term topic means a set of words that “go together”. These are the words that come to mind when thinking of this topic. Take sports. Some such words are athlete, soccer, and stadium."
},
{
"code": null,
"e": 5... |
C library function - setlocale() | The C library function char *setlocale(int category, const char *locale) sets or reads location dependent information.
Following is the declaration for setlocale() function.
char *setlocale(int category, const char *locale)
category − This is a named constant specifying the category of the functions affected by the loc... | [
{
"code": null,
"e": 2126,
"s": 2007,
"text": "The C library function char *setlocale(int category, const char *locale) sets or reads location dependent information."
},
{
"code": null,
"e": 2181,
"s": 2126,
"text": "Following is the declaration for setlocale() function."
},
... |
Data Structures | Balanced Binary Search Trees | Question 5 - GeeksforGeeks | 28 Jun, 2021
Consider the following AVL tree.
60
/ \
20 100
/ \
80 120
Which of the following is updated AVL tree after insertion of 70
A
70
/ \
60 100
/ / \
20 80 120
B
100
/ \
60 ... | [
{
"code": null,
"e": 25182,
"s": 25154,
"text": "\n28 Jun, 2021"
},
{
"code": null,
"e": 25215,
"s": 25182,
"text": "Consider the following AVL tree."
},
{
"code": null,
"e": 25301,
"s": 25215,
"text": " 60\n / \\ \n 20 100\n ... |
How to move the horizontal slider right-to-left in Java? | At first, let us create a horizontal slider −
JSlider slider = new JSlider(JSlider.HORIZONTAL, 0, 100, 55);
Now, we will set it to move right-to-left using setInverted() −
slider.setInverted(true);
The following is an example to move the horizontal slider right-to-left −
package my;
import java.awt.Color;
import java.a... | [
{
"code": null,
"e": 1108,
"s": 1062,
"text": "At first, let us create a horizontal slider −"
},
{
"code": null,
"e": 1170,
"s": 1108,
"text": "JSlider slider = new JSlider(JSlider.HORIZONTAL, 0, 100, 55);"
},
{
"code": null,
"e": 1234,
"s": 1170,
"text": "Now... |
Maven - Deployment Automation | In project development, normally a deployment process consists of the following steps −
Check-in the code from all project in progress into the SVN (version control system) or source code repository and tag it.
Check-in the code from all project in progress into the SVN (version control system) or source code repositor... | [
{
"code": null,
"e": 2148,
"s": 2060,
"text": "In project development, normally a deployment process consists of the following steps −"
},
{
"code": null,
"e": 2271,
"s": 2148,
"text": "Check-in the code from all project in progress into the SVN (version control system) or source... |
JavaScript adding a class name to the element - GeeksforGeeks | 15 Nov, 2021
In this article, we will learn how to add the class name property to the element, along with understanding the implementation through the example. The class name attribute can be used by CSS and JavaScript to perform certain tasks for elements with the specified class name. Adding the class name by using J... | [
{
"code": null,
"e": 25180,
"s": 25152,
"text": "\n15 Nov, 2021"
},
{
"code": null,
"e": 25524,
"s": 25180,
"text": "In this article, we will learn how to add the class name property to the element, along with understanding the implementation through the example. The class name a... |
What is the usage and purpose of DCLGEN and host variables used in COBOL-DB2 program | A COBOL-DB2 program can query/update/insert/delete data from multiple DB2 tables. However, in order to achieve this, we must fulfill two main conditions.
Notify the structure of the DB2 table to the COBOL-DB2 program. This includes all the columns and data types of these columns.The respective host variables for each c... | [
{
"code": null,
"e": 1216,
"s": 1062,
"text": "A COBOL-DB2 program can query/update/insert/delete data from multiple DB2 tables. However, in order to achieve this, we must fulfill two main conditions."
},
{
"code": null,
"e": 1698,
"s": 1216,
"text": "Notify the structure of the ... |
Data Pipelines With Python And Pandas | by Matt | Towards Data Science | If you are not dealing with big data you are probably using Pandas to write scripts to do some data processing. If so, then you are certainly using Jupyter because it allows seeing the results of the transformations applied. However, you may have already noticed that notebooks can quickly become messy.
When the start-u... | [
{
"code": null,
"e": 476,
"s": 172,
"text": "If you are not dealing with big data you are probably using Pandas to write scripts to do some data processing. If so, then you are certainly using Jupyter because it allows seeing the results of the transformations applied. However, you may have already ... |
Differential Equations as a Neural Network Layers | by Kevin Hannay | Towards Data Science | The main idea of artificial neural networks (ANN) is to build up representations for complicated functions using compositions of relatively simple functions called layers.
A deep neural network is one that has many layers, or many functions composed together.
Although layers are typically simple functions( e.g. relu(Wx... | [
{
"code": null,
"e": 344,
"s": 172,
"text": "The main idea of artificial neural networks (ANN) is to build up representations for complicated functions using compositions of relatively simple functions called layers."
},
{
"code": null,
"e": 432,
"s": 344,
"text": "A deep neural ... |
How to change state continuously after a certain amount of time in React? - GeeksforGeeks | 01 Sep, 2020
To change a state continuously after a certain amount of time is required in a few cases for the toggling. First, make a function that is responsible for changing the state of the component. Then call the function from the constructor method for the first time. Use the set interval method inside the funct... | [
{
"code": null,
"e": 27142,
"s": 27114,
"text": "\n01 Sep, 2020"
},
{
"code": null,
"e": 27705,
"s": 27142,
"text": "To change a state continuously after a certain amount of time is required in a few cases for the toggling. First, make a function that is responsible for changing ... |
How to copy rows from one table to another in MySQL? | For this, use INSERT INTO SELECT statement. Let us first create a table −
mysql> create table DemoTable1879
(
Id int,
Name varchar(20)
);
Query OK, 0 rows affected (0.00 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable1879 values(101,'Chris Brown');
Query OK, 1 row a... | [
{
"code": null,
"e": 1136,
"s": 1062,
"text": "For this, use INSERT INTO SELECT statement. Let us first create a table −"
},
{
"code": null,
"e": 1249,
"s": 1136,
"text": "mysql> create table DemoTable1879\n (\n Id int,\n Name varchar(20)\n );\nQuery OK, 0 rows affected (... |
Java If ... Else | Java supports the usual logical conditions from mathematics:
Less than: a < b
Less than or equal to: a <= b
Greater than: a > b
Greater than or equal to: a >= b
Equal to a == b
Not Equal to: a != b
You can use these conditions to perform different actions for different decisions.
Java has the following conditional stat... | [
{
"code": null,
"e": 61,
"s": 0,
"text": "Java supports the usual logical conditions from mathematics:"
},
{
"code": null,
"e": 78,
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"text": "Less than: a < b"
},
{
"code": null,
"e": 108,
"s": 78,
"text": "Less than or equal to: a <= b"
},
{
"... |
How to retrieve XY data from a Matplotlib figure? | To retrieve XY data from a matplotlib figure, we can use get_xdata() and get_ydata() methods.
Create x and y data points using numpy.
Create x and y data points using numpy.
Limit X and Y axes range, using xlim() and ylim() methods.
Limit X and Y axes range, using xlim() and ylim() methods.
Plot xs and ys data points u... | [
{
"code": null,
"e": 1156,
"s": 1062,
"text": "To retrieve XY data from a matplotlib figure, we can use get_xdata() and get_ydata() methods."
},
{
"code": null,
"e": 1196,
"s": 1156,
"text": "Create x and y data points using numpy."
},
{
"code": null,
"e": 1236,
"... |
Count Possible Decodings of a given Digit Sequence in C++ | We are given a string representing a digit sequence. Each digit is decoded from 1 to 26 as English Alphabet. 1 is ‘A’, 2 is ‘B’ and so on till 26 as ‘Z’. The goal is to find the count of all possible decodings out of a given digit sequence. If the sequence is ‘123’ then possible decodings are ‘ABC’ ( 1-2-3 ), ‘LC’ (12-... | [
{
"code": null,
"e": 1411,
"s": 1062,
"text": "We are given a string representing a digit sequence. Each digit is decoded from 1 to 26 as English Alphabet. 1 is ‘A’, 2 is ‘B’ and so on till 26 as ‘Z’. The goal is to find the count of all possible decodings out of a given digit sequence. If the seque... |
JSON.simple - Encode JSONObject | Using JSON.simple, we can encode a JSON Object using following ways −
Encode a JSON Object - to String − Simple encoding.
Encode a JSON Object - to String − Simple encoding.
Encode a JSON Object - Streaming − Output can be used for streaming.
Encode a JSON Object - Streaming − Output can be used for streaming.
Encode a... | [
{
"code": null,
"e": 2293,
"s": 2223,
"text": "Using JSON.simple, we can encode a JSON Object using following ways −"
},
{
"code": null,
"e": 2345,
"s": 2293,
"text": "Encode a JSON Object - to String − Simple encoding."
},
{
"code": null,
"e": 2397,
"s": 2345,
... |
How to convert hex string to byte Array in Java? | We can convert a hex string to byte array in Java by first converting the hexadecimal number to integer value using the parseInt() method of the Integer class in java. This will return an integer value which will be the decimal conversion of hexadecimal value. We will then use the toByteArray() method of BigInteger cla... | [
{
"code": null,
"e": 1416,
"s": 1062,
"text": "We can convert a hex string to byte array in Java by first converting the hexadecimal number to integer value using the parseInt() method of the Integer class in java. This will return an integer value which will be the decimal conversion of hexadecimal... |
Java BeanUtils - Nested Property Access | You can access the value of nested property of the bean by concatenating the property names of the access path by using "." separators.
You can get and set the values of Nested property by using the below methods:
PropertyUtils.getNestedProperty(Object, String)
PropertyUtils.getNestedProperty(Object, String)
PropertyUt... | [
{
"code": null,
"e": 2292,
"s": 2156,
"text": "You can access the value of nested property of the bean by concatenating the property names of the access path by using \".\" separators."
},
{
"code": null,
"e": 2370,
"s": 2292,
"text": "You can get and set the values of Nested pro... |
Python Comparison Operators Example | These operators compare the values on either sides of them and decide the relation among them. They are also called Relational operators.
Assume variable a holds 10 and variable b holds 20, then −
Assume variable a holds 10 and variable b holds 20, then −
#!/usr/bin/python
a = 21
b = 10
c = 0
if ( a == b ):
print ... | [
{
"code": null,
"e": 2382,
"s": 2244,
"text": "These operators compare the values on either sides of them and decide the relation among them. They are also called Relational operators."
},
{
"code": null,
"e": 2441,
"s": 2382,
"text": "Assume variable a holds 10 and variable b ho... |
Android - Push Notification | A notification is a message you can display to the user outside of your application's normal UI. You can create your own notifications in android very easily.
Android provides NotificationManager class for this purpose. In order to use this class, you need to instantiate an object of this class by requesting the androi... | [
{
"code": null,
"e": 3766,
"s": 3607,
"text": "A notification is a message you can display to the user outside of your application's normal UI. You can create your own notifications in android very easily."
},
{
"code": null,
"e": 3999,
"s": 3766,
"text": "Android provides Notifi... |
Header files “stdio.h” and “stdlib.h” in C | The header file stdio.h stands for Standard Input Output. It has the information related to input/output functions.
Here is the table that displays some of the functions in stdio.h in C language,
Here is an example of stdio.h in C language,
Live Demo
#include<stdio.h>
int main () {
char val;
printf("Enter the ... | [
{
"code": null,
"e": 1178,
"s": 1062,
"text": "The header file stdio.h stands for Standard Input Output. It has the information related to input/output functions."
},
{
"code": null,
"e": 1258,
"s": 1178,
"text": "Here is the table that displays some of the functions in stdio.h i... |
Speed up Code executions with help of Pragma in C/C++ | 21 Sep, 2021
The primary goal of a compiler is to reduce the cost of compilation and to make debugging produce the expected results. Not all optimizations are controlled directly by a flag, sometimes we need to explicitly declare flags to produce optimizations. By default optimizations are suppressed. To use suppressed... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n21 Sep, 2021"
},
{
"code": null,
"e": 398,
"s": 54,
"text": "The primary goal of a compiler is to reduce the cost of compilation and to make debugging produce the expected results. Not all optimizations are controlled directly by a fla... |
Matplotlib.pyplot.setp() function in Python | 05 Jun, 2020
Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. Pyplot is a state-based interface to a Matplotlib module which provides a MATLAB-like interface. There are various plots which can be used in Pyplot are Line Plot, Contour, Histogram, Scatter, 3D Plot, etc.
Th... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n05 Jun, 2020"
},
{
"code": null,
"e": 333,
"s": 28,
"text": "Matplotlib is a library in Python and it is numerical – mathematical extension for NumPy library. Pyplot is a state-based interface to a Matplotlib module which provides a MAT... |
R – Merge Multiple DataFrames in List | 10 Oct, 2021
In this article, we will discuss how to merge multiple data frames in the list using R programming language.
First create more than two data frames, so that we could able to merge them. Now, use merge() function along with the required parameters.
Syntax :
merge( x=dataframe , y=dataframe , by= primary_key... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n10 Oct, 2021"
},
{
"code": null,
"e": 137,
"s": 28,
"text": "In this article, we will discuss how to merge multiple data frames in the list using R programming language."
},
{
"code": null,
"e": 276,
"s": 137,
"text"... |
How to find the difference in value in every two consecutive rows in R DataFrame ? | 30 May, 2021
In this article, we will discuss how to find the difference in value in every two consecutive rows in DataFrame in R Programming Language.
diff() method in base R is used to find the difference among all the pairs of consecutive rows in the R dataframe. It returns a vector with the length equivalent to the... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n30 May, 2021"
},
{
"code": null,
"e": 167,
"s": 28,
"text": "In this article, we will discuss how to find the difference in value in every two consecutive rows in DataFrame in R Programming Language."
},
{
"code": null,
"e":... |
Node.js fs.rm() Method | 03 Feb, 2021
The fs.rm() method is used to delete a file at the given path. It can also be used recursively to remove directories.
Syntax:
fs.rm( path, options, callback );
Parameters: This method accepts three parameters as mentioned above and described below:
path: It holds the path of the file that has to be removed... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n03 Feb, 2021"
},
{
"code": null,
"e": 146,
"s": 28,
"text": "The fs.rm() method is used to delete a file at the given path. It can also be used recursively to remove directories."
},
{
"code": null,
"e": 154,
"s": 146,
... |
Perl | Regular Expressions | 30 May, 2019
Regular Expression (Regex or Regexp or RE) in Perl is a special text string for describing a search pattern within a given text. Regex in Perl is linked to the host language and is not the same as in PHP, Python, etc. Sometimes it is termed as “Perl 5 Compatible Regular Expressions“. To use the Regex, Bind... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n30 May, 2019"
},
{
"code": null,
"e": 520,
"s": 54,
"text": "Regular Expression (Regex or Regexp or RE) in Perl is a special text string for describing a search pattern within a given text. Regex in Perl is linked to the host language ... |
List contains() method in Java with Examples | 11 Dec, 2018
The contains() method of List interface in Java is used for checking if the specified element exists in the given list or not.
Syntax:
public boolean contains(Object obj)
object-element to be searched for
Parameters: This method accepts a single parameter obj whose presence in this list is to be tested.
... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n11 Dec, 2018"
},
{
"code": null,
"e": 155,
"s": 28,
"text": "The contains() method of List interface in Java is used for checking if the specified element exists in the given list or not."
},
{
"code": null,
"e": 163,
"s... |
Python – Sort dictionaries list by Key’s Value list index | 01 Aug, 2020
Given list of dictionaries, sort dictionaries on basis of Key’s index value.
Input : [{“Gfg” : [6, 7, 8], “is” : 9, “best” : 10},{“Gfg” : [2, 0, 3], “is” : 11, “best” : 19},{“Gfg” : [4, 6, 9], “is” : 16, “best” : 1}], K = “Gfg”, idx = 0Output : [{‘Gfg’: [2, 0, 3], ‘is’: 11, ‘best’: 19}, {‘Gfg’: [4, 6, 9], ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n01 Aug, 2020"
},
{
"code": null,
"e": 105,
"s": 28,
"text": "Given list of dictionaries, sort dictionaries on basis of Key’s index value."
},
{
"code": null,
"e": 476,
"s": 105,
"text": "Input : [{“Gfg” : [6, 7, 8], ... |
Printing Heart Pattern in C | In this program we will see how to print heart shaped pattern in C. The heart shape pattern will be look like this
Now if we analyze this pattern, we can find different section in this pattern. The base of the heart is an inverted triangle; the upper portion has two different peaks. Between these two peaks there is a g... | [
{
"code": null,
"e": 1302,
"s": 1187,
"text": "In this program we will see how to print heart shaped pattern in C. The heart shape pattern will be look like this"
},
{
"code": null,
"e": 1608,
"s": 1302,
"text": "Now if we analyze this pattern, we can find different section in th... |
How to Build a Simple Alarm Setter App in Android? | 06 Dec, 2021
In this article, we are going to see how to build a much interesting app named Alarm Setter. Alarm plays a vital role in our day-to-day life. Nowadays alarm has become our wake-up assistant. Every mobile phone is associated with an alarm app. We will create this app using android studio. Android Studio pro... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n06 Dec, 2021"
},
{
"code": null,
"e": 746,
"s": 54,
"text": "In this article, we are going to see how to build a much interesting app named Alarm Setter. Alarm plays a vital role in our day-to-day life. Nowadays alarm has become our wa... |
Number of cyclic elements in an array where we can jump according to value | 20 May, 2021
Given a array arr[] of n integers. For every value arr[i], we can move to arr[i] + 1 clockwise considering array elements in cycle. We need to count cyclic elements in the array. An element is cyclic if starting from it and moving to arr[i] + 1 leads to same element.
Examples:
Input : arr[] = {1, 1, 1, 1... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n20 May, 2021"
},
{
"code": null,
"e": 320,
"s": 52,
"text": "Given a array arr[] of n integers. For every value arr[i], we can move to arr[i] + 1 clockwise considering array elements in cycle. We need to count cyclic elements in the ar... |
K-Means Clustering in Julia | 12 Oct, 2020
Clustering is the task of grouping a set of objects(all values in a column) in such a way that objects in the same group are more similar to each other than to those in other groups. K-means clustering is one of the simplest and popular unsupervised machine learning algorithms.
Unsupervised algorithms make... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n12 Oct, 2020"
},
{
"code": null,
"e": 307,
"s": 28,
"text": "Clustering is the task of grouping a set of objects(all values in a column) in such a way that objects in the same group are more similar to each other than to those in other ... |
Program to find remainder without using modulo or % operator in C++ | In this problem, we are given two numbers, N and D. Our task is to create a Program to find remainder without using modulo or % operator in C++.
Problem description − We need to find the remainder that will be left after dividing the number N by D. But we cannot use the modulo or % operator for this.
Let’s take an exam... | [
{
"code": null,
"e": 1332,
"s": 1187,
"text": "In this problem, we are given two numbers, N and D. Our task is to create a Program to find remainder without using modulo or % operator in C++."
},
{
"code": null,
"e": 1489,
"s": 1332,
"text": "Problem description − We need to find... |
Normalization vs Standardization | 12 Nov, 2021
Feature scaling is one of the most important data preprocessing step in machine learning. Algorithms that compute the distance between the features are biased towards numerically larger values if the data is not scaled.
Tree-based algorithms are fairly insensitive to the scale of the features. Also, featur... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n12 Nov, 2021"
},
{
"code": null,
"e": 273,
"s": 53,
"text": "Feature scaling is one of the most important data preprocessing step in machine learning. Algorithms that compute the distance between the features are biased towards numeric... |
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