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A Guide to Neural Network Loss Functions with Applications in Keras | by Andre Ye | Towards Data Science | Loss functions are an essential part in training a neural network β selecting the right loss function helps the neural network know how far off it is, so it can properly utilize its optimizer. This article will discuss several loss functions supported by Keras β how they work, their applications, and the code to implem... | [
{
"code": null,
"e": 501,
"s": 171,
"text": "Loss functions are an essential part in training a neural network β selecting the right loss function helps the neural network know how far off it is, so it can properly utilize its optimizer. This article will discuss several loss functions supported by ... |
Find length of a string in python (4 ways) - GeeksforGeeks | 20 Apr, 2020
Strings in Python are immutable sequences of Unicode code points. Given a string, we need to find its length.
Examples:
Input : 'abc'
Output : 3
Input : 'hello world !'
Output : 13
Input : ' h e l l o '
Output :14
Methods:
Using the built-in function len. The built-in function len returns the number ... | [
{
"code": null,
"e": 24505,
"s": 24477,
"text": "\n20 Apr, 2020"
},
{
"code": null,
"e": 24615,
"s": 24505,
"text": "Strings in Python are immutable sequences of Unicode code points. Given a string, we need to find its length."
},
{
"code": null,
"e": 24625,
"s": ... |
How to write asynchronous function for Node.js ? - GeeksforGeeks | 22 Jan, 2021
The asynchronous function can be written in Node.js using βasyncβ preceding the function name. The asynchronous function returns implicit Promise as a result. The async function helps to write promise-based code asynchronously via the event-loop. Async functions will always return a value. Await function c... | [
{
"code": null,
"e": 26551,
"s": 26523,
"text": "\n22 Jan, 2021"
},
{
"code": null,
"e": 26992,
"s": 26551,
"text": "The asynchronous function can be written in Node.js using βasyncβ preceding the function name. The asynchronous function returns implicit Promise as a result. The ... |
bitset reset() function in C++ STL - GeeksforGeeks | 18 Jun, 2018
bitset::reset() is a built-in function in C++ STL which resets the bits at the given index in the parameter. If no parameter is passed then all the bits are reset to zero.
Syntax:
reset(int index)
Parameter: The function accepts a parameter index which signifies the position at which the bit has to be re... | [
{
"code": null,
"e": 25343,
"s": 25315,
"text": "\n18 Jun, 2018"
},
{
"code": null,
"e": 25515,
"s": 25343,
"text": "bitset::reset() is a built-in function in C++ STL which resets the bits at the given index in the parameter. If no parameter is passed then all the bits are reset ... |
GRE Arithmetic | Fraction - GeeksforGeeks | 17 Aug, 2021
Fraction is the number in the form of numerator/denominator, where numerator and denominator are the integers and denominator =ΜΈ 0. Numerator and denominator are a subset of integers. If the denominator is equal to 0 then the fraction is not defined or denominators are integers except 0. A fraction can be ... | [
{
"code": null,
"e": 25351,
"s": 25323,
"text": "\n17 Aug, 2021"
},
{
"code": null,
"e": 25792,
"s": 25351,
"text": "Fraction is the number in the form of numerator/denominator, where numerator and denominator are the integers and denominator =ΜΈ 0. Numerator and denominator are a... |
Ruby | Array class first() function - GeeksforGeeks | 08 Jan, 2020
first() is a Array class method which returns the first element of the array or the first βnβ elements from the array.
Syntax: Array.first()
Parameter: Arrayn β no. of elements
Return: first element of the array or the first βnβ elements from the array
Example #1 :
# Ruby code for first() method # declari... | [
{
"code": null,
"e": 24851,
"s": 24823,
"text": "\n08 Jan, 2020"
},
{
"code": null,
"e": 24970,
"s": 24851,
"text": "first() is a Array class method which returns the first element of the array or the first βnβ elements from the array."
},
{
"code": null,
"e": 24992,
... |
Tukey's Five-number Summary in R Programming - fivenum() function - GeeksforGeeks | 01 Jul, 2020
fivenum() function in R Language is used to return Tukeyβs five-number summary of input data i.e., minimum value, lower-hinge value, median value, upper-hinge value and maximum value of the input data.
Syntax: fivenum(x, na.rm = TRUE)
Parameters:x: indicates numeric objectna.rm: indicates logical value. If... | [
{
"code": null,
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"s": 26459,
"text": "\n01 Jul, 2020"
},
{
"code": null,
"e": 26689,
"s": 26487,
"text": "fivenum() function in R Language is used to return Tukeyβs five-number summary of input data i.e., minimum value, lower-hinge value, median value, upper-hinge valu... |
How to select direct parent element of an element in jQuery ? - GeeksforGeeks | 31 Mar, 2021
In this article, we will select the direct parent element of an element using jQuery. To select the direct parent element, the parent() method is used. This method finds the parent element related to the selected element. This parent() method traverse a single level up the selected element and return that ... | [
{
"code": null,
"e": 26954,
"s": 26926,
"text": "\n31 Mar, 2021"
},
{
"code": null,
"e": 27270,
"s": 26954,
"text": "In this article, we will select the direct parent element of an element using jQuery. To select the direct parent element, the parent() method is used. This method... |
Longest Common Subsequence with at most k changes allowed - GeeksforGeeks | 10 Dec, 2021
Given two sequence P and Q of numbers. The task is to find Longest Common Subsequence of two sequences if we are allowed to change at most k element in first sequence to any value.
Examples:
Input : P = { 8, 3 }
Q = { 1, 3 }
K = 1
Output : 2
If we change first element of first
sequence fro... | [
{
"code": null,
"e": 26553,
"s": 26525,
"text": "\n10 Dec, 2021"
},
{
"code": null,
"e": 26734,
"s": 26553,
"text": "Given two sequence P and Q of numbers. The task is to find Longest Common Subsequence of two sequences if we are allowed to change at most k element in first seque... |
How To Create Natural Language Semantic Search For Arbitrary Objects With Deep Learning | by Hamel Husain | Towards Data Science | An end-to-end example of how to build a system that can search objects semantically. By Hamel Husain & Ho-Hsiang Wu
The power of modern search engines is undeniable: you can summon knowledge from the internet at a momentβs notice. Unfortunately, this superpower isnβt omnipresent. There are many situations where search ... | [
{
"code": null,
"e": 288,
"s": 172,
"text": "An end-to-end example of how to build a system that can search objects semantically. By Hamel Husain & Ho-Hsiang Wu"
},
{
"code": null,
"e": 723,
"s": 288,
"text": "The power of modern search engines is undeniable: you can summon knowl... |
Working with sparse data sets in pandas and sklearn | by Dafni Sidiropoulou Velidou | Towards Data Science | In Machine Learning, there are several settings in which we encounter sparse data sets. Below are some examples:
User ratings for recommendation systems
User clicks for content recommendation
Document vectors in natural language processing
Sparse data sets are frequently large, making it hard to use standard machine le... | [
{
"code": null,
"e": 284,
"s": 171,
"text": "In Machine Learning, there are several settings in which we encounter sparse data sets. Below are some examples:"
},
{
"code": null,
"e": 324,
"s": 284,
"text": "User ratings for recommendation systems"
},
{
"code": null,
"... |
8 Ways to Style React Components - GeeksforGeeks | 17 Jan, 2022
React is a JavaScript library for building user interfaces. React makes it painless to create interactive UIs. Design simple views for each state in your application, and React will efficiently update and render just the right components when your data changes.
There are about eight different ways to styli... | [
{
"code": null,
"e": 27142,
"s": 27114,
"text": "\n17 Jan, 2022"
},
{
"code": null,
"e": 27404,
"s": 27142,
"text": "React is a JavaScript library for building user interfaces. React makes it painless to create interactive UIs. Design simple views for each state in your applicati... |
CSS Rounded Borders | The border-radius property is used to add rounded borders to an element:
Normal border
Round border
Rounder border
Roundest border
All the top border properties in one declaration
This example demonstrates a shorthand property for setting all of the properties for the top border in one declaration.
Set the style of the... | [
{
"code": null,
"e": 73,
"s": 0,
"text": "The border-radius property is used to add rounded borders to an element:"
},
{
"code": null,
"e": 87,
"s": 73,
"text": "Normal border"
},
{
"code": null,
"e": 100,
"s": 87,
"text": "Round border"
},
{
"code": n... |
Absolute Difference of all pairwise consecutive elements in an array (C++)? | In this problem we will see how we can get the absolute differences between the elements of each pair of elements in an array. If there are n elements, the resultant array will contain n-1 elements. Suppose the elements are {8, 5, 4, 3}. The result will be |8-5| = 3, then |5-4| = 1, |4-3|=1.
begin
res := an array to... | [
{
"code": null,
"e": 1355,
"s": 1062,
"text": "In this problem we will see how we can get the absolute differences between the elements of each pair of elements in an array. If there are n elements, the resultant array will contain n-1 elements. Suppose the elements are {8, 5, 4, 3}. The result will... |
Count trailing zeroes in factorial of a number - GeeksforGeeks | 28 Oct, 2021
Given an integer n, write a function that returns count of trailing zeroes in n!. Examples :
Input: n = 5
Output: 1
Factorial of 5 is 120 which has one trailing 0.
Input: n = 20
Output: 4
Factorial of 20 is 2432902008176640000 which has
4 trailing zeroes.
Input: n = 100
Output: 24
Approach:A simple met... | [
{
"code": null,
"e": 24283,
"s": 24255,
"text": "\n28 Oct, 2021"
},
{
"code": null,
"e": 24377,
"s": 24283,
"text": "Given an integer n, write a function that returns count of trailing zeroes in n!. Examples : "
},
{
"code": null,
"e": 24569,
"s": 24377,
"text... |
Build your first data warehouse with Airflow on GCP | by Tuan Nguyen | Towards Data Science | Airflow has grown to be an essential part of my toolset as a data professional. After my previous post, many people reached out to me, asking about how to get started learning Airflow. As with many things else, I believe that the best way to get started learning something is by doing.
In this project, we will build a d... | [
{
"code": null,
"e": 458,
"s": 172,
"text": "Airflow has grown to be an essential part of my toolset as a data professional. After my previous post, many people reached out to me, asking about how to get started learning Airflow. As with many things else, I believe that the best way to get started l... |
Map function and Dictionary in Python to sum ASCII values - GeeksforGeeks | 13 Dec, 2017
We are given a sentence of english language(can also contain digits), we need to compute and print the sum of ASCII values of characters of each word in that sentence.
Examples:
Input : GeeksforGeeks, a computer science portal
for geeks
Output : Sentence representation as sum of ASCII
e... | [
{
"code": null,
"e": 24927,
"s": 24899,
"text": "\n13 Dec, 2017"
},
{
"code": null,
"e": 25095,
"s": 24927,
"text": "We are given a sentence of english language(can also contain digits), we need to compute and print the sum of ASCII values of characters of each word in that sente... |
Build your Data Pipeline on Kubernetes using Kubeflow Pipelines SDK and Argo Workflows | by Lior Shkiller | Towards Data Science | For those of you who havenβt seen the diagram above, I highly recommend reading the paper βHidden Technical Debt in Machine Learning Systemsβ. It covers best practices for building machine learning systems. One of the sections in the paper is about ML-system anti-patterns and pipeline jungles:
Pipeline Jungles. As a sp... | [
{
"code": null,
"e": 467,
"s": 172,
"text": "For those of you who havenβt seen the diagram above, I highly recommend reading the paper βHidden Technical Debt in Machine Learning Systemsβ. It covers best practices for building machine learning systems. One of the sections in the paper is about ML-sys... |
Face detection with MediaPipe | Towards Data Science | MediaPipe is one of the most widely shared and re-usable libraries for media processing within Google.β β Kahye Song
Google open-source MediaPipe was first introduced in June, 2019. It aims to make our life easy by providing some integrated computer vision and machine learning features. Media Pipe is a framework for bu... | [
{
"code": null,
"e": 289,
"s": 172,
"text": "MediaPipe is one of the most widely shared and re-usable libraries for media processing within Google.β β Kahye Song"
},
{
"code": null,
"e": 774,
"s": 289,
"text": "Google open-source MediaPipe was first introduced in June, 2019. It a... |
How to create NVARCHAR column in MySQL? | The MySQL converts NVARCHAR() to VARCHAR(). NVARCHAR stands for National Varchar in MySQL. Let us first create a table with one of the columns βStudentNameβ as NVARCHAR β
mysql> create table DemoTable
(
StudentName NVARCHAR(40),
StudentCountryName VARCHAR(50)
);
Query OK, 0 rows affected, 1 warning (0.49 sec)
Let... | [
{
"code": null,
"e": 1233,
"s": 1062,
"text": "The MySQL converts NVARCHAR() to VARCHAR(). NVARCHAR stands for National Varchar in MySQL. Let us first create a table with one of the columns βStudentNameβ as NVARCHAR β"
},
{
"code": null,
"e": 1379,
"s": 1233,
"text": "mysql> crea... |
How to integrate React-PDF in ReactJS ? - GeeksforGeeks | 23 Apr, 2021
React-PDF is a package that helps users to display PDF files in their React app. By using react-pdf package we can add PDF files in our React app as if they were images. To use the latest version of react-pdf package, our project should use React 16.3 or later. We can integrate react-pdf using the followin... | [
{
"code": null,
"e": 24421,
"s": 24393,
"text": "\n23 Apr, 2021"
},
{
"code": null,
"e": 24740,
"s": 24421,
"text": "React-PDF is a package that helps users to display PDF files in their React app. By using react-pdf package we can add PDF files in our React app as if they were i... |
Bringing the best out of Jupyter Notebooks for Data Science | by Parul Pandey | Towards Data Science | Reimagining what a Jupyter notebook can be and what can be done with it.
Netflix aims to provide personalized content to their 130 million viewers. One of the significant ways by which data scientists and engineers at Netflix interact with their data is through Jupyter notebooks. Notebooks leverage the use of collabora... | [
{
"code": null,
"e": 245,
"s": 172,
"text": "Reimagining what a Jupyter notebook can be and what can be done with it."
},
{
"code": null,
"e": 927,
"s": 245,
"text": "Netflix aims to provide personalized content to their 130 million viewers. One of the significant ways by which d... |
What is the C# equivalent for the Java System.exit(0)? | The C# equivalent for Java System.exit(0) is β
Environment.Exit(exitCode);
The Environment.Exit() method terminates this process and returns an exit code to the operating
system.
Above, use exitCode as 0 (zero) to show that the process completed successfully.
Use exitCode as a non-zero number to show an error, for exa... | [
{
"code": null,
"e": 1109,
"s": 1062,
"text": "The C# equivalent for Java System.exit(0) is β"
},
{
"code": null,
"e": 1138,
"s": 1109,
"text": "Environment.Exit(exitCode);\n"
},
{
"code": null,
"e": 1242,
"s": 1138,
"text": "The Environment.Exit() method term... |
How to sum varchar column and display the count in MySQL? | For this, use GROUP BY along with COUNT(*). Let us first create a table β
mysql> create table DemoTable
(
EmployeeId int NOT NULL AUTO_INCREMENT PRIMARY KEY,
EmployeeGender varchar(40)
);
Query OK, 0 rows affected (0.48 sec)
Insert some records in the table using insert command β
mysql> insert into DemoTable(Empl... | [
{
"code": null,
"e": 1136,
"s": 1062,
"text": "For this, use GROUP BY along with COUNT(*). Let us first create a table β"
},
{
"code": null,
"e": 1293,
"s": 1136,
"text": "mysql> create table DemoTable\n(\n EmployeeId int NOT NULL AUTO_INCREMENT PRIMARY KEY,\n EmployeeGender ... |
How to click on a hyper link using linkText in Selenium? | A hyperlink on a page is identified with the anchor tag. To click a link, we can use the link text locator which matches the text enclosed within the anchor tag.
We can also use the partial link text locator which matches the text enclosed within the anchor tag partially. NoSuchElementException is thrown if there is no... | [
{
"code": null,
"e": 1224,
"s": 1062,
"text": "A hyperlink on a page is identified with the anchor tag. To click a link, we can use the link text locator which matches the text enclosed within the anchor tag."
},
{
"code": null,
"e": 1430,
"s": 1224,
"text": "We can also use the ... |
How to enter a letter in uppercase in the edit box using Actions in Selenium? | We can enter a letter in upper case in the edit box in Selenium with the help of Actions. In order to achieve this, we need to first move to the edit box, then click() on that field. Then press SHIFT and enter the letters using sendKeys() method. Finally use build().perform() to execute all the steps.
import org.openqa... | [
{
"code": null,
"e": 1365,
"s": 1062,
"text": "We can enter a letter in upper case in the edit box in Selenium with the help of Actions. In order to achieve this, we need to first move to the edit box, then click() on that field. Then press SHIFT and enter the letters using sendKeys() method. Finall... |
How to use PowerShell break statement with the For loop? | To use the Break statement with the For loop, consider the below example.
for($i=1; $i -le 10; $i++){
Write-Host "i = $i"
if($i -eq 5){break}
}
i = 1
i = 2
i = 3
i = 4
i = 5
Here, when the value of $i reaches to 5, For loop gets terminated.
Inner For loop Break statement.
for($i=1; $i -le 3; $i++){
for($j=1; $... | [
{
"code": null,
"e": 1136,
"s": 1062,
"text": "To use the Break statement with the For loop, consider the below example."
},
{
"code": null,
"e": 1212,
"s": 1136,
"text": "for($i=1; $i -le 10; $i++){\n Write-Host \"i = $i\"\n if($i -eq 5){break}\n}"
},
{
"code": null,... |
Face Detection using MTCNN β a guide for face extraction with a focus on speed | by Justin GuΜse | Towards Data Science | MTCNN is a python (pip) library written by Github user ipacz, which implements the paper Zhang, Kaipeng et al. βJoint Face Detection and Alignment Using Multitask Cascaded Convolutional Networks.β IEEE Signal Processing Letters 23.10 (2016): 1499β1503. Crossref. Web.
In this paper, they propose a deep cascaded multi-ta... | [
{
"code": null,
"e": 315,
"s": 47,
"text": "MTCNN is a python (pip) library written by Github user ipacz, which implements the paper Zhang, Kaipeng et al. βJoint Face Detection and Alignment Using Multitask Cascaded Convolutional Networks.β IEEE Signal Processing Letters 23.10 (2016): 1499β1503. Cro... |
AVG() Function in SQL Server - GeeksforGeeks | 21 Jan, 2021
AVG() :
This function in SQL Server is used to return the average value of the specified expression.
Features :
This function is used to find the average value of the specified expression.
This function comes under Numeric Functions.
This function accepts only one parameter, namely expression.
This functio... | [
{
"code": null,
"e": 24268,
"s": 24240,
"text": "\n21 Jan, 2021"
},
{
"code": null,
"e": 24276,
"s": 24268,
"text": "AVG() :"
},
{
"code": null,
"e": 24369,
"s": 24276,
"text": "This function in SQL Server is used to return the average value of the specified e... |
ByteBuffer put() methods in Java with Examples | Set -1 - GeeksforGeeks | 24 Jun, 2019
The put(byte b) method of java.nio.ByteBuffer Class is used to write the given byte into the newly created byte buffer at the current position, and then increments the position.
Syntax :
public abstract ByteBuffer put(byte f)
Parameters: This method takes the byte value b as a parameter which is to be writ... | [
{
"code": null,
"e": 23948,
"s": 23920,
"text": "\n24 Jun, 2019"
},
{
"code": null,
"e": 24126,
"s": 23948,
"text": "The put(byte b) method of java.nio.ByteBuffer Class is used to write the given byte into the newly created byte buffer at the current position, and then increments... |
Simple Explanation of Benfordβs Law | Rob Gonsalves | Towards Data Science | If you havenβt seen it yet, check out the Netflix series, Connected. Itβs a good show. The host, Latif Nasser, discusses various subjects in popular science. Netflix touts it as a series βthat investigates the surprising and intricate ways in which we are connected to each other, the world and the universe.β [1]
In Num... | [
{
"code": null,
"e": 485,
"s": 171,
"text": "If you havenβt seen it yet, check out the Netflix series, Connected. Itβs a good show. The host, Latif Nasser, discusses various subjects in popular science. Netflix touts it as a series βthat investigates the surprising and intricate ways in which we are... |
SQL Query to Delete a Data From a Table Based on Date - GeeksforGeeks | 09 Nov, 2021
Many of the time we have to delete data based on the date. These dates can be some older dates. For this purpose, we can use delete query along with where clause. This approach helps us to delete some old data in our database. In this article, we are going to delete the data of employees based on their bir... | [
{
"code": null,
"e": 23877,
"s": 23849,
"text": "\n09 Nov, 2021"
},
{
"code": null,
"e": 24194,
"s": 23877,
"text": "Many of the time we have to delete data based on the date. These dates can be some older dates. For this purpose, we can use delete query along with where clause. ... |
How to set Selenium Python WebDriver default timeout? | We can set default timeout with Selenium webdriver. The method set_page_load_timeout is used to have a timeout for the page loading. The wait time in seconds is passed as parameter to the method.
driver.set_page_load_timeout(5)
A TimeoutException is thrown if the page is still not loaded after the wait time is passed.
... | [
{
"code": null,
"e": 1258,
"s": 1062,
"text": "We can set default timeout with Selenium webdriver. The method set_page_load_timeout is used to have a timeout for the page loading. The wait time in seconds is passed as parameter to the method."
},
{
"code": null,
"e": 1290,
"s": 1258,... |
Online Ruby Formatter | Editable Ruby Code
12345678910111213141516171819202122232425262728293031#!/usr/bin/ruby -w# define a classclass Box# constructor methoddef initialize(w,h)@width, @height = w, hend# accessor methodsdef getWidth@widthenddef getHeight@heightend# setter methodsdef setWidth=(value)@width = valueenddef setHeight=(value)@heig... | [
{
"code": null,
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"s": 0,
"text": "Editable Ruby Code"
},
{
"code": null,
"e": 397,
"s": 19,
"text": "12345678910111213141516171819202122232425262728293031#!/usr/bin/ruby -w# define a classclass Box# constructor methoddef initialize(w,h)@width, @height = w, hend# accessor ... |
SWING - ActionEvent Class | This class is defined in java.awt.event package. The ActionEvent is generated when button is clicked or the item of a list is double-clicked.
Following is the declaration for java.awt.event.ActionEvent class β
public class ActionEvent
extends AWTEvent
Following are the fields for java.awt.event.ActionEvent class β
... | [
{
"code": null,
"e": 1905,
"s": 1763,
"text": "This class is defined in java.awt.event package. The ActionEvent is generated when button is clicked or the item of a list is double-clicked."
},
{
"code": null,
"e": 1973,
"s": 1905,
"text": "Following is the declaration for java.aw... |
GCD of more than two (or array) numbers - GeeksforGeeks | 28 Mar, 2022
Given an array of numbers, find GCD of the array elements. In a previous post we find GCD of two number.Examples:
Input : arr[] = {1, 2, 3}
Output : 1
Input : arr[] = {2, 4, 6, 8}
Output : 2
The GCD of three or more numbers equals the product of the prime factors common to all the numbers, but it can a... | [
{
"code": null,
"e": 24848,
"s": 24820,
"text": "\n28 Mar, 2022"
},
{
"code": null,
"e": 24963,
"s": 24848,
"text": "Given an array of numbers, find GCD of the array elements. In a previous post we find GCD of two number.Examples: "
},
{
"code": null,
"e": 25043,
... |
Check if two nodes are on same path in a tree - GeeksforGeeks | 03 Feb, 2021
Given a tree (not necessarily a binary tree) and a number of queries such that every query takes two nodes of the tree as parameters. For every query pair, find if two nodes are on the same path from the root to the bottom.
For example, consider the below tree, if given queries are (1, 5), (1, 6), and (2, ... | [
{
"code": null,
"e": 25116,
"s": 25088,
"text": "\n03 Feb, 2021"
},
{
"code": null,
"e": 25340,
"s": 25116,
"text": "Given a tree (not necessarily a binary tree) and a number of queries such that every query takes two nodes of the tree as parameters. For every query pair, find if... |
getch() function in C with Examples - GeeksforGeeks | 16 Jul, 2021
getch() is a nonstandard function and is present in conio.h header file which is mostly used by MS-DOS compilers like Turbo C. It is not part of the C standard library or ISO C, nor is it defined by POSIX.Like these functions, getch() also reads a single character from the keyboard. But it does not use any... | [
{
"code": null,
"e": 24646,
"s": 24618,
"text": "\n16 Jul, 2021"
},
{
"code": null,
"e": 25055,
"s": 24646,
"text": "getch() is a nonstandard function and is present in conio.h header file which is mostly used by MS-DOS compilers like Turbo C. It is not part of the C standard lib... |
Program for average of an array(Iterative and Recursive) in C++ | Given an array of N integers arr[N], the task is to find the average of arr[N]. To achieve the result we can either use iterative approach or the recursive approach. We will be showing both in the given solution.
Average of an array will be sum of all the elements of an array divided by the number of elements.
In itera... | [
{
"code": null,
"e": 1275,
"s": 1062,
"text": "Given an array of N integers arr[N], the task is to find the average of arr[N]. To achieve the result we can either use iterative approach or the recursive approach. We will be showing both in the given solution."
},
{
"code": null,
"e": 137... |
How to identify server IP address in PHP ? | 01 Aug, 2021
What is an IP Address ? IP Address or Internet Protocol Address is a numerical value assigned to every device on network which uses the Internet Protocol for Communication.An IP address serves two major functions:
Network/Host interface identification
Location addressing
Static IP addresses that do not cha... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n01 Aug, 2021"
},
{
"code": null,
"e": 267,
"s": 53,
"text": "What is an IP Address ? IP Address or Internet Protocol Address is a numerical value assigned to every device on network which uses the Internet Protocol for Communication.An... |
Java Program to Store Unicode Characters Using Character Literals | 05 May, 2022
ASCII table helps to get computation done earlier but with the ongoing passage of time, there emerge several human-readable languages where the constraint with ASCII was it only supports 256 symbols that too of English only. Now to make computations for other languages there emerges a UNICODE system for co... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n05 May, 2022"
},
{
"code": null,
"e": 396,
"s": 28,
"text": "ASCII table helps to get computation done earlier but with the ongoing passage of time, there emerge several human-readable languages where the constraint with ASCII was it on... |
std::stof in C++ | 02 Aug, 2017
Parses string interpreting its content as a floating-point number, which is returned as a value of type float.
Syntax :
float stof (const string& str, size_t* idx = 0);
float stof (const wstring& str, size_t* idx = 0);
Parameters :
str : String object with the representation of a floating-point number.
i... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n02 Aug, 2017"
},
{
"code": null,
"e": 163,
"s": 52,
"text": "Parses string interpreting its content as a floating-point number, which is returned as a value of type float."
},
{
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"te... |
SQL | CHECK Constraint | 21 Mar, 2018
SQL ConstraintsCheck Constraint is used to specify a predicate that every tuple must satisfy in a given relation. It limits the values that a column can hold in a relation.
The predicate in check constraint can hold a sub query.
Check constraint defined on an attribute restricts the range of values for tha... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n21 Mar, 2018"
},
{
"code": null,
"e": 226,
"s": 53,
"text": "SQL ConstraintsCheck Constraint is used to specify a predicate that every tuple must satisfy in a given relation. It limits the values that a column can hold in a relation."
... |
Program for Fibonacci numbers | 28 Jun, 2022
The Fibonacci numbers are the numbers in the following integer sequence.0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, ........
In mathematical terms, the sequence Fn of Fibonacci numbers is defined by the recurrence relation
Fn = Fn-1 + Fn-2
with seed values
F0 = 0 and F1 = 1.
Given a number n, print n-t... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n28 Jun, 2022"
},
{
"code": null,
"e": 181,
"s": 54,
"text": "The Fibonacci numbers are the numbers in the following integer sequence.0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, ........"
},
{
"code": null,
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"... |
Python MySQL β Delete Query | 01 Jul, 2022
Python Database API ( Application Program Interface ) is the Database interface for the standard Python. This standard is adhered to by most Python Database interfaces. There are various Database servers supported by Python Databases such as MySQL, GadFly, PostgreSQL, Microsoft SQL Server 2000, Informix, I... | [
{
"code": null,
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"s": 24,
"text": "\n01 Jul, 2022"
},
{
"code": null,
"e": 548,
"s": 52,
"text": "Python Database API ( Application Program Interface ) is the Database interface for the standard Python. This standard is adhered to by most Python Database interfaces. There... |
SQL Correlated Subqueries | 06 Feb, 2018
Correlated subqueries are used for row-by-row processing. Each subquery is executed once for every row of the outer query.A correlated subquery is evaluated once for each row processed by the parent statement. The parent statement can be a SELECT, UPDATE, or DELETE statement.
SELECT column1, column2, ....
... | [
{
"code": null,
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"s": 26,
"text": "\n06 Feb, 2018"
},
{
"code": null,
"e": 331,
"s": 54,
"text": "Correlated subqueries are used for row-by-row processing. Each subquery is executed once for every row of the outer query.A correlated subquery is evaluated once for each row... |
Mode | 02 Jul, 2021
Mode is the value which occurs most frequently in a set of observations. For example, {6, 3, 9, 6, 6, 5, 9, 3} the Mode is 6, as it occurs most often.
Fact about Mode :
Sometimes there can be more than one mode.Having two modes is called bimodal.Having more than two modes is called multimodal.There is an ... | [
{
"code": null,
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"text": "\n02 Jul, 2021"
},
{
"code": null,
"e": 204,
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"text": "Mode is the value which occurs most frequently in a set of observations. For example, {6, 3, 9, 6, 6, 5, 9, 3} the Mode is 6, as it occurs most often."
},
{
"code": n... |
Step-by-step Tutorial to Deploy Kubernetes to Your GCP Cloud | by Zora Li | Towards Data Science | As a data scientist in practice, I feel the trend of pushing the traditional routine of data processing, model training, and inference into an integrated pipeline with (CI/CD)Continuous Integration/Continuous Deployment, whose concepts are borrowed from DevOps. There are two primary reasons, at least from my perspectiv... | [
{
"code": null,
"e": 796,
"s": 171,
"text": "As a data scientist in practice, I feel the trend of pushing the traditional routine of data processing, model training, and inference into an integrated pipeline with (CI/CD)Continuous Integration/Continuous Deployment, whose concepts are borrowed from D... |
Pigeonhole Sort | This is an example of the non-comparison sorting technique. It is used where the number of items and the range of possible key values is approximately the same.
To perform this sort, we need to make some holes. The number of holes needed is decided by the range of numbers. In each hole, items are inserted. Finally dele... | [
{
"code": null,
"e": 1223,
"s": 1062,
"text": "This is an example of the non-comparison sorting technique. It is used where the number of items and the range of possible key values is approximately the same."
},
{
"code": null,
"e": 1443,
"s": 1223,
"text": "To perform this sort,... |
Binary search in sorted vector of pairs in C++ | This is a C++ program to implement Binary search in a sorted vector of pairs.
Begin
Declare a structure keycompare.
Function operator()(const pair& v, const int& k)
returns Booleans.
Status = v.first < k.
Return status.
Function operator()(const pair& v, const int& k)
return... | [
{
"code": null,
"e": 1140,
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"text": "This is a C++ program to implement Binary search in a sorted vector of pairs."
},
{
"code": null,
"e": 2056,
"s": 1140,
"text": "Begin\n Declare a structure keycompare.\n Function operator()(const pair& v, const int& k)\n ... |
Tensors and Arrays. Whatβs The Difference? | by Kurtis Pykes | Towards Data Science | So Iβm working through the Deep Learning Specialization on Coursera. Andrew Ng, the course instructor, has been going on and on about Numpy Arrays β to the point where I could picture what it looks like in my head.
Suddenly, he said, βthis is a tensorβ. I looked at the output... Stopped. And thought... βDude, itβs just... | [
{
"code": null,
"e": 387,
"s": 172,
"text": "So Iβm working through the Deep Learning Specialization on Coursera. Andrew Ng, the course instructor, has been going on and on about Numpy Arrays β to the point where I could picture what it looks like in my head."
},
{
"code": null,
"e": 800... |
Difference Between sum of degrees of odd and even degree nodes in an Undirected Graph - GeeksforGeeks | 03 Jun, 2021
Given an undirected graph with N vertices and M edges, the task is to find the absolute difference Between the sum of degrees of odd degree nodes and even degree nodes in an undirected Graph.
Examples:
Input: N = 4, edges[][] = { { 1, 2 }, { 1, 3 }, { 1, 4 }, { 2, 3 }, { 2, 4 }, { 3, 4 } } Output: 12 Expl... | [
{
"code": null,
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"text": "\n03 Jun, 2021"
},
{
"code": null,
"e": 24868,
"s": 24676,
"text": "Given an undirected graph with N vertices and M edges, the task is to find the absolute difference Between the sum of degrees of odd degree nodes and even degree n... |
How to Plot a Time Series in Matplotlib? - GeeksforGeeks | 27 Jan, 2022
Time series data is the data marked by some time. Each point on the graph represents a measurement of both time and quantity. A time-series chart is also known as a fever chart when the data are connected in chronological order by a straight line that forms a succession of peaks and troughs. x-axis of the... | [
{
"code": null,
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"s": 23873,
"text": "\n27 Jan, 2022"
},
{
"code": null,
"e": 24310,
"s": 23901,
"text": "Time series data is the data marked by some time. Each point on the graph represents a measurement of both time and quantity. A time-series chart is also known as... |
How to start dependent services in PowerShell? | To start dependent service in PowerShell, it is unlike the stopping the dependent services with βForce parameter because there is no βForce parameter is available.
You need to first get the dependent services and then start them.
Get-Service -Name Winmgmt -DependentServices | Start-Service -Verbose | [
{
"code": null,
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"text": "To start dependent service in PowerShell, it is unlike the stopping the dependent services with βForce parameter because there is no βForce parameter is available."
},
{
"code": null,
"e": 1292,
"s": 1226,
"text": "You need to first ... |
How to set the tab size in Text widget in Tkinter? - GeeksforGeeks | 08 Mar, 2021
Prerequisite: Tkinter
Python offers multiple options for developing GUI (Graphical User Interface). Out of all the GUI methods, Tkinter is the most commonly used method. It is a standard Python interface to the Tk GUI toolkit shipped with Python. Python with Tkinter is the fastest and easiest way to create... | [
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"text": "Prerequisite: Tkinter"
},
{
"code": null,
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"text": "Python offers multiple options for developing GUI (Graphical User In... |
How to use jQuery in Angular ? - GeeksforGeeks | 03 Aug, 2021
Before starting with using jQuery in angular, we need to install it on our system. Now basically there are two general methods to install jQuery:Note: Before starting with this tutorial, you show know the software used here is Microsoft visual studio code with NodeJs and typescript already installed to wor... | [
{
"code": null,
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"text": "\n03 Aug, 2021"
},
{
"code": null,
"e": 28730,
"s": 28407,
"text": "Before starting with using jQuery in angular, we need to install it on our system. Now basically there are two general methods to install jQuery:Note: Before start... |
%n in scanf() in C with Example - GeeksforGeeks | 19 Aug, 2020
In C, %n is a special format specifier. In the case of printf() function the %n assign the number of characters printed by printf(). When we use the %n specifier in scanf() it will assign the number of characters read by the scanf() function until it occurs.
Key points:
It is an edit conversion code.
The ... | [
{
"code": null,
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"text": "\n19 Aug, 2020"
},
{
"code": null,
"e": 25110,
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"text": "In C, %n is a special format specifier. In the case of printf() function the %n assign the number of characters printed by printf(). When we use the %n specifier i... |
What is Realloc in C language? | The C library memory allocation function void *realloc(void *ptr, size_t size) attempts to resize the memory block pointed to by ptr that was previously allocated with a call to malloc or calloc.
Memory can be allocated in two ways as explained below β
Once memory is allocated at compile time, it cannot be changed duri... | [
{
"code": null,
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"text": "The C library memory allocation function void *realloc(void *ptr, size_t size) attempts to resize the memory block pointed to by ptr that was previously allocated with a call to malloc or calloc."
},
{
"code": null,
"e": 1315,
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TensorFlow - Word Embedding | Word embedding is the concept of mapping from discrete objects such as words to vectors and real numbers. It is important for input for machine learning. The concept includes standard functions, which effectively transform discrete input objects to useful vectors.
The sample illustration of input of word embedding is a... | [
{
"code": null,
"e": 2580,
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"text": "Word embedding is the concept of mapping from discrete objects such as words to vectors and real numbers. It is important for input for machine learning. The concept includes standard functions, which effectively transform discrete input objects to usef... |
Interactive Election Visualisations in Python with Altair | by Tom Titcombe | Towards Data Science | In a recent post, I showed how we can generate hexmaps with matplotlib to visualise elections. While these maps are a great demonstration of how to convey geographic information, they are not without flaws. For example, it can be difficult to identify which constituency is which from the static image, because of the ma... | [
{
"code": null,
"e": 558,
"s": 172,
"text": "In a recent post, I showed how we can generate hexmaps with matplotlib to visualise elections. While these maps are a great demonstration of how to convey geographic information, they are not without flaws. For example, it can be difficult to identify whi... |
AbstractMap in Java - GeeksforGeeks | 15 Oct, 2020
The AbstractMap class is a part of the Java Collection Framework. It directly implements the Map interface to provide a structure to it, by doing so it makes the further implementations easier. As the name suggests AbstractMap is an abstract class by definition, therefore it cannot be used to create object... | [
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},
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"code": null,
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"text": "The AbstractMap class is a part of the Java Collection Framework. It directly implements the Map interface to provide a structure to it, by doing so it makes the f... |
How to add name to data frame columns in R? | A data frame can be created by using data.frame function but in this case R generates the column names using the values we pass for the data. For example, if we pass a probability distribution as shown in the below examples then its name will be there. If we want to change those names then setNames function can be used... | [
{
"code": null,
"e": 1415,
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"text": "A data frame can be created by using data.frame function but in this case R generates the column names using the values we pass for the data. For example, if we pass a probability distribution as shown in the below examples then its name will be there. ... |
Get More Efficient in your Data Analysis with Pandas `query()` and `eval()` Methods | by Olusegun Folarin | Towards Data Science | One of the common tasks in Exploratory data Analysis is asking questions of the data. This is usually made possible by filtering or slicing on columns, aggregation function and so on. Because Pandas is built on numpy, it allows you to carry out vectorized operations which are computationally efficient than using for lo... | [
{
"code": null,
"e": 497,
"s": 172,
"text": "One of the common tasks in Exploratory data Analysis is asking questions of the data. This is usually made possible by filtering or slicing on columns, aggregation function and so on. Because Pandas is built on numpy, it allows you to carry out vectorized... |
Optional orElseGet() method in Java with examples - GeeksforGeeks | 13 May, 2020
The orElseGet() method of java.util.Optional class in Java is used to get the value of this Optional instance if present. If there is no value present in this Optional instance, then this method returns the value generated from the specified supplier.
Syntax:
public T orElseGet(Supplier<T> supplier)
Param... | [
{
"code": null,
"e": 24253,
"s": 24225,
"text": "\n13 May, 2020"
},
{
"code": null,
"e": 24505,
"s": 24253,
"text": "The orElseGet() method of java.util.Optional class in Java is used to get the value of this Optional instance if present. If there is no value present in this Opti... |
Unix / Linux - Shell Input/Output Redirections | In this chapter, we will discuss in detail about the Shell input/output redirections. Most Unix system commands take input from your terminal and send the resulting output back to your terminal. A command normally reads its input from the standard input, which happens to be your terminal by default. Similarly, a comman... | [
{
"code": null,
"e": 3157,
"s": 2747,
"text": "In this chapter, we will discuss in detail about the Shell input/output redirections. Most Unix system commands take input from your terminal and send the resulting output back to your terminal. A command normally reads its input from the standard input... |
PySpark on Google Colab 101. A Beginnerβs Handβs on Guide to PySpark... | by Garvit Arya | Towards Data Science | Apache Spark is a lightning-fast framework used for data processing that performs super-fast processing tasks on large-scale data sets. It also can distribute data processing tasks across multiple devices, on its own, or in collaboration with other distributed computing tools.
PySpark is the interface that gives access... | [
{
"code": null,
"e": 449,
"s": 171,
"text": "Apache Spark is a lightning-fast framework used for data processing that performs super-fast processing tasks on large-scale data sets. It also can distribute data processing tasks across multiple devices, on its own, or in collaboration with other distri... |
Groovy - Lists minus() | Creates a new List composed of the elements of the original without those specified in the collection.
List minus(Collection collection)
Collection β The collection of values to minus from the list.
New list of values.
Following is an example of the usage of this method β
class Example {
static void main(String[] ... | [
{
"code": null,
"e": 2341,
"s": 2238,
"text": "Creates a new List composed of the elements of the original without those specified in the collection."
},
{
"code": null,
"e": 2376,
"s": 2341,
"text": "List minus(Collection collection)\n"
},
{
"code": null,
"e": 2438,
... |
Reverse a Linked List using C++ | In this article, we need to reverse the links with the help of a singly linked list. Our task is to create a function that is capable of reversing the given singly linked list. For example
Input:
Following Linked list :
1->2->3->4->NULL
Output:
After processing of our function:
4->3->2->1->NULL
There are different app... | [
{
"code": null,
"e": 1251,
"s": 1062,
"text": "In this article, we need to reverse the links with the help of a singly linked list. Our task is to create a function that is capable of reversing the given singly linked list. For example"
},
{
"code": null,
"e": 1359,
"s": 1251,
"t... |
Difference between the AND and && operator in php | 'AND' operator is a logical AND operator but has low precedence to = operator.
'&&' is also a logical AND operator but has high precedence to = operator.
Following the example, shows the difference of 'AND' vs '&&' operators.
Live Demo
<!DOCTYPE html>
<html>
<head>
<title>PHP Example</title>
</head>
<body>
<?php... | [
{
"code": null,
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"text": "'AND' operator is a logical AND operator but has low precedence to = operator."
},
{
"code": null,
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"text": "'&&' is also a logical AND operator but has high precedence to = operator."
},
{
"code": null,
... |
Defining, Predicting, and Preventing Disengaged Users in FinTech | by Daniel Kristiyanto | Towards Data Science | FinTech represents the digital transformation disruption in the finance industry. Startups like Wise (formerly known as Transferwise), Monzo, and many others, started with remittance and money transfer services and grown into borderless digital bank. Competition in FinTech is getting tougher, as prominent players like ... | [
{
"code": null,
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"s": 171,
"text": "FinTech represents the digital transformation disruption in the finance industry. Startups like Wise (formerly known as Transferwise), Monzo, and many others, started with remittance and money transfer services and grown into borderless digital bank. Comp... |
Can we override private methods in Java
| Ideally No. But, using the tricky code, a subclass can override a private method as well. See the example below β
Live Demo
class A {
private void display() {
System.out.println("A.display");
}
public void callDisplay() {
System.out.println("A.callDisplay");
display();
}
}
class B extend... | [
{
"code": null,
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"text": "Ideally No. But, using the tricky code, a subclass can override a private method as well. See the example below β"
},
{
"code": null,
"e": 1186,
"s": 1176,
"text": "Live Demo"
},
{
"code": null,
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... |
How to retrieve tasks in Task scheduler using PowerShell? | To retrieve the existing tasks in the task scheduler using PowerShell, we can use the PowerShell command Get-ScheduledTask. We can use the Task Scheduler GUI to retrieve the scheduled tasks.
To retrieve using PowerShell, use the Get-ScheduledTask command.
When we use the above command, it retrieves all the tasks from... | [
{
"code": null,
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"text": "To retrieve the existing tasks in the task scheduler using PowerShell, we can use the PowerShell command Get-ScheduledTask. We can use the Task Scheduler GUI to retrieve the scheduled tasks."
},
{
"code": null,
"e": 1320,
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... |
MongoDB $in Operator - GeeksforGeeks | 22 Apr, 2020
MongoDB provides different types of comparison query operators and $in operator is one of them. This operator is used to select those documents where the value of the field is equal to any of the given value in the array. And if the field contains an array, then this operator selects only those documents w... | [
{
"code": null,
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"text": "\n22 Apr, 2020"
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"code": null,
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"text": "MongoDB provides different types of comparison query operators and $in operator is one of them. This operator is used to select those documents where the value of ... |
How to find the latitude and longitude from address in Android? | This example demonstrates how do I find the latitude and longitude from address in android.
Step 1 β Create a new project in Android Studio, go to File β New Project and fill all required details to create a new project.
Step 2 β Add the following code to res/layout/activity_main.xml.
<RelativeLayout
xmlns:android="... | [
{
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"text": "This example demonstrates how do I find the latitude and longitude from address in android."
},
{
"code": null,
"e": 1283,
"s": 1154,
"text": "Step 1 β Create a new project in Android Studio, go to File β New Project and fill all req... |
3 basic Distance Measurement in Text Mining | by Edward Ma | Towards Data Science | In NLP, we also want to find the similarity among sentence or document. Text is not like number and coordination that we cannot compare the different between βAppleβ and βOrangeβ but similarity score can be calculated.
Since we cannot simply subtract between βApple is fruitβ and βOrange is fruitβ so that we have to fin... | [
{
"code": null,
"e": 390,
"s": 171,
"text": "In NLP, we also want to find the similarity among sentence or document. Text is not like number and coordination that we cannot compare the different between βAppleβ and βOrangeβ but similarity score can be calculated."
},
{
"code": null,
"e":... |
Flask - How to install/setup Flask SQLAlchemy ? - onlinetutorialspoint | PROGRAMMINGJava ExamplesC Examples
Java Examples
C Examples
C Tutorials
aws
JAVAEXCEPTIONSCOLLECTIONSSWINGJDBC
EXCEPTIONS
COLLECTIONS
SWING
JDBC
JAVA 8
SPRING
SPRING BOOT
HIBERNATE
PYTHON
PHP
JQUERY
PROGRAMMINGJava ExamplesC Examples
Java Examples
C Examples
C Tutorials
aws
In this tutorial, we are going to see how to ... | [
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Move from Engineering to Data Science | Towards Data Science | A few years ago, I made a big decision in my life when leaving the job at a Germany tech giant to pursue a higher degree in Data Science and shifting my career toward this field. I probably didnβt think this through when I decided and might be I was so obsessed with all the great innovative ideas of many sales guys fro... | [
{
"code": null,
"e": 1214,
"s": 172,
"text": "A few years ago, I made a big decision in my life when leaving the job at a Germany tech giant to pursue a higher degree in Data Science and shifting my career toward this field. I probably didnβt think this through when I decided and might be I was so o... |
Check if any point overlaps the given Circle and Rectangle - GeeksforGeeks | 08 Nov, 2021
Given two opposite diagonal points of a rectangle (X1, Y1), (X2, Y2) and the center, radius of the circle R, (Xc, Yc), the task is to check if there exists any point P that belongs to both the circle as well as the rectangle. Examples:
Input: R = 2, Xc = 0, Yc = 0, X1 = 1, Y1 = 0, X2 = 3, Y2 = 3 Output: ... | [
{
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"e": 25592,
"s": 25354,
"text": "Given two opposite diagonal points of a rectangle (X1, Y1), (X2, Y2) and the center, radius of the circle R, (Xc, Yc), the task is to check if there exists any poi... |
How to display an image in JavaFX? | The javafx.scene.image.Image class is used to load an image into a JavaFX application. This supports BMP, GIF, JPEG, and, PNG formats.
JavaFX provides a class named javafx.scene.image.ImageView is a node that is used to display, the loaded image.
To display an image in JavaFX β
Create a FileInputStream representing the... | [
{
"code": null,
"e": 1197,
"s": 1062,
"text": "The javafx.scene.image.Image class is used to load an image into a JavaFX application. This supports BMP, GIF, JPEG, and, PNG formats."
},
{
"code": null,
"e": 1309,
"s": 1197,
"text": "JavaFX provides a class named javafx.scene.imag... |
SQL - CARTESIAN or CROSS JOINS | The CARTESIAN JOIN or CROSS JOIN returns the Cartesian product of the sets of records from two or more joined tables. Thus, it equates to an inner join where the join-condition always evaluates to either True or where the join-condition is absent from the statement.
The basic syntax of the CARTESIAN JOIN or the CROSS J... | [
{
"code": null,
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"text": "The CARTESIAN JOIN or CROSS JOIN returns the Cartesian product of the sets of records from two or more joined tables. Thus, it equates to an inner join where the join-condition always evaluates to either True or where the join-condition is absent from t... |
Backup Database in MS SQL Server - GeeksforGeeks | 04 Dec, 2020
Prerequisite β Create database in MS SQL Server
To Create a Full Database Backup, the below methods could be used β
SQL Server Management Studio.
Transact-SQL.
Restriction :Backups created on a newer version of SQL Server cannot be restored in previous versions of SQL Server.
Facts to know :
When the datab... | [
{
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{
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"text": "Prerequisite β Create database in MS SQL Server"
},
{
"code": null,
"e": 24584,
"s": 24516,
"text": "To Create a Full Database Backup, the belo... |
Code Golfing in JavaScript - GeeksforGeeks | 29 Jan, 2020
Code Golf in JavaScript refers to attempting a problem to solve using the least amount of characters possible. Like in Golf, the low score wins, the fewest amount of characters βwinsβ. JavaScript is a fantastic language for code golfing due to backward compatibility, quirks, it is being a high-level langua... | [
{
"code": null,
"e": 25324,
"s": 25296,
"text": "\n29 Jan, 2020"
},
{
"code": null,
"e": 25987,
"s": 25324,
"text": "Code Golf in JavaScript refers to attempting a problem to solve using the least amount of characters possible. Like in Golf, the low score wins, the fewest amount ... |
JavaScript onmouse events - GeeksforGeeks | 16 Jul, 2020
The onmouse event is used to define the operation using mouse.
onmouse events in JavaScript are:
onmouseover and onmouseout
onmouseup and onmousedown
onmouseenter and onmouseleave
onmouseover and onmouseout:onmouseover and onmouseout events occur when the mouse cursor is placed over specific elementThese e... | [
{
"code": null,
"e": 24590,
"s": 24562,
"text": "\n16 Jul, 2020"
},
{
"code": null,
"e": 24653,
"s": 24590,
"text": "The onmouse event is used to define the operation using mouse."
},
{
"code": null,
"e": 24687,
"s": 24653,
"text": "onmouse events in JavaScrip... |
How to Create an Effect to Change Button Color using HTML and CSS ? - GeeksforGeeks | 15 Feb, 2021
The color-changing effect of a button is very common but what we are going to do a slightly advanced version of this effect. The background will change like a clip effect rotating at some particular angle.
Approach: The approach is to provide two or three background and then rotating them on different angl... | [
{
"code": null,
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"s": 26479,
"text": "\n15 Feb, 2021"
},
{
"code": null,
"e": 26713,
"s": 26507,
"text": "The color-changing effect of a button is very common but what we are going to do a slightly advanced version of this effect. The background will change like a clip... |
CBSE Class 11 | Computer Science - C++ Syllabus - GeeksforGeeks | 04 Sep, 2018
COMPUTER SCIENCE (Code No. 083) (2017-18)Learning Objectives:
To understand basics of computers.
To develop logic for Problem Solving.
To develop problem solving skills and their implementation using C++.
To understand and implement the concept.
To understand the concept of working with Relational Database... | [
{
"code": null,
"e": 26375,
"s": 26347,
"text": "\n04 Sep, 2018"
},
{
"code": null,
"e": 26437,
"s": 26375,
"text": "COMPUTER SCIENCE (Code No. 083) (2017-18)Learning Objectives:"
},
{
"code": null,
"e": 26472,
"s": 26437,
"text": "To understand basics of comp... |
Determine if file or directory exists in Java | The method java.io.File.exists() is used to check whether a file or a directory exists or not. This method returns true if the file or directory specified by the abstract path name exists and false if it does not exist.
A program that demonstrates this is given as follows β
import java.io.File;
public class Demo {
p... | [
{
"code": null,
"e": 1282,
"s": 1062,
"text": "The method java.io.File.exists() is used to check whether a file or a directory exists or not. This method returns true if the file or directory specified by the abstract path name exists and false if it does not exist."
},
{
"code": null,
"... |
How can the countplot be used to visualize data in Python Seaborn Library? | Seaborn is a library that helps in visualizing data. It comes with customized themes and a high-level interface.
In previous plots, we plotted the entire dataset on the graph. With the help of bar plots, we can understand the central tendency of the distribution of data.
The barplot function establishes the relationshi... | [
{
"code": null,
"e": 1175,
"s": 1062,
"text": "Seaborn is a library that helps in visualizing data. It comes with customized themes and a high-level interface."
},
{
"code": null,
"e": 1334,
"s": 1175,
"text": "In previous plots, we plotted the entire dataset on the graph. With t... |
Remove Text from Images using CV2 and Keras-OCR | by Carlo Borella | Towards Data Science | In this article I will discuss how to quickly remove text from images as a pre-processing step for an image classifier or a multi-modal text and image classifier involving images with text such as memes (for instance the Hateful Memes Challenge by Facebook).
Removing text can be useful for a variety or reasons, for exa... | [
{
"code": null,
"e": 430,
"s": 171,
"text": "In this article I will discuss how to quickly remove text from images as a pre-processing step for an image classifier or a multi-modal text and image classifier involving images with text such as memes (for instance the Hateful Memes Challenge by Faceboo... |
Remove an Entry using key from HashMap while Iterating over it | 11 Dec, 2018
Given a HashMap and a key in Java, the task is to remove an entry from this HashMap using the key, while iterating over it.
Examples:
Input: HashMap: {1=Geeks, 2=ForGeeks, 3=GeeksForGeeks}, key = 2
Output: {1=Geeks, 3=GeeksForGeeks}
Input: HashMap: {1=G, 2=e, 3=e, 4=k, 5=s}, key = 3
Output: {1=G, 2=e, 4=k... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n11 Dec, 2018"
},
{
"code": null,
"e": 176,
"s": 52,
"text": "Given a HashMap and a key in Java, the task is to remove an entry from this HashMap using the key, while iterating over it."
},
{
"code": null,
"e": 186,
"s":... |
Packet sniffing using Scapy | 05 Jul, 2021
Scapy is a powerful and versatile packet manipulation tool written in python. Using scapy, a user will be able to send, sniff, dissect and forge network packets. Scapy also has the capability to store the sniffed packets in a pcap file. Using scapy, we will be able to handle tasks like trace routing, probi... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n05 Jul, 2021"
},
{
"code": null,
"e": 488,
"s": 53,
"text": "Scapy is a powerful and versatile packet manipulation tool written in python. Using scapy, a user will be able to send, sniff, dissect and forge network packets. Scapy also h... |
Python MongoDB - Find | You can read/retrieve stored documents from MongoDB using the find() method. This method retrieves and displays all the documents in MongoDB in a non-structured way.
Following is the syntax of the find() method.
>db.COLLECTION_NAME.find()
Assume we have inserted 3 documents into a database named testDB in a collection... | [
{
"code": null,
"e": 2234,
"s": 2068,
"text": "You can read/retrieve stored documents from MongoDB using the find() method. This method retrieves and displays all the documents in MongoDB in a non-structured way."
},
{
"code": null,
"e": 2280,
"s": 2234,
"text": "Following is the... |
Creating a Basic hardcoded ChatBot using Python-NLTK | 26 May, 2020
Creating a basic chatbot using Python in Jupyter Notebook. This chatbot interacts with the user using the hardcoded inputs and outputs which are fed into the Python code.
Requirements:You need to install the NLTK (Natural Language Toolkit), it provides libraries and programs for symbolic and statistical na... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n26 May, 2020"
},
{
"code": null,
"e": 223,
"s": 52,
"text": "Creating a basic chatbot using Python in Jupyter Notebook. This chatbot interacts with the user using the hardcoded inputs and outputs which are fed into the Python code."
... |
Understanding variable scopes in JavaScript | 11 Feb, 2022
In JavaScript, there are two types of scopes
Global Scope β Scope outside the outermost function attached to window.Local Scope β Inside the function being executed.
Global Scope β Scope outside the outermost function attached to window.
Local Scope β Inside the function being executed.
Letβs look at the c... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n11 Feb, 2022"
},
{
"code": null,
"e": 97,
"s": 52,
"text": "In JavaScript, there are two types of scopes"
},
{
"code": null,
"e": 218,
"s": 97,
"text": "Global Scope β Scope outside the outermost function attached t... |
HTTP headers | Access-Control-Request-Headers | 27 Feb, 2020
Access-Control-Request-Headers is a request-type header used by browsers that contains information about the different HTTP headers that will be sent by the client in the ensuing request. Whenever a client initiates a request to a server, the browser checks if the request needs a CORS preflight or not. In ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n27 Feb, 2020"
},
{
"code": null,
"e": 739,
"s": 28,
"text": "Access-Control-Request-Headers is a request-type header used by browsers that contains information about the different HTTP headers that will be sent by the client in the ensu... |
PySpark β Sort dataframe by multiple columns | 30 Jun, 2021
In this article, we are going to see how to sort the PySpark dataframe by multiple columns.
It can be done in these ways:
Using sort()
Using orderBy()
Creating Dataframe for demonstration:
Python3
# importing moduleimport pyspark # importing sparksession from pyspark.sql modulefrom pyspark.sql import Spar... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n30 Jun, 2021"
},
{
"code": null,
"e": 120,
"s": 28,
"text": "In this article, we are going to see how to sort the PySpark dataframe by multiple columns."
},
{
"code": null,
"e": 150,
"s": 120,
"text": "It can be done... |
turtle.onkey() function in Python | 26 Jul, 2020
The turtle module provides turtle graphics primitives, in both object-oriented and procedure-oriented ways. Because it uses Tkinter for the underlying graphics, it needs a version of Python installed with Tk support.
This function is used to bind fun to the key-release event of the key. In order to be able... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n26 Jul, 2020"
},
{
"code": null,
"e": 245,
"s": 28,
"text": "The turtle module provides turtle graphics primitives, in both object-oriented and procedure-oriented ways. Because it uses Tkinter for the underlying graphics, it needs a ver... |
Given a binary tree, how do you remove all the half nodes? | 27 Jun, 2022
Given A binary Tree, how do you remove all the half nodes (which has only one child)? Note leaves should not be touched as they have both children as NULL.
For example consider the below tree.
Nodes 2 and 4 are half nodes as one of their child is Null.
The idea is to use post-order traversal to solve this... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n27 Jun, 2022"
},
{
"code": null,
"e": 210,
"s": 54,
"text": "Given A binary Tree, how do you remove all the half nodes (which has only one child)? Note leaves should not be touched as they have both children as NULL."
},
{
"cod... |
State Method β Python Design Patterns | 21 Jun, 2022
State method is Behavioral Design Pattern that allows an object to change its behavior when there occurs a change in its internal state. It helps in implementing the state as a derived class of the state pattern interface. If we have to change the behavior of an object based on its state, we can have a sta... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n21 Jun, 2022"
},
{
"code": null,
"e": 584,
"s": 28,
"text": "State method is Behavioral Design Pattern that allows an object to change its behavior when there occurs a change in its internal state. It helps in implementing the state as ... |
StringTokenizer Methods in Java with Examples | Set 2 | 30 Jun, 2022
StringTokenizer class in Java is used to break a string into tokens. One must go through StringTokenizer class where concepts and constructors are discussed which help in better understanding methods that are been discussed here below as follows:
Methods of StringTokenizer class are as follows:
hasMoreTok... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n30 Jun, 2022"
},
{
"code": null,
"e": 302,
"s": 54,
"text": "StringTokenizer class in Java is used to break a string into tokens. One must go through StringTokenizer class where concepts and constructors are discussed which help in bet... |
Initialize a static map in Java with Examples | 27 Oct, 2021
In this article, a static map is created and initialized in Java.
A static map is a map which is defined as static. It means that the map becomes a class member and can be easily used using class.
Method 1:Creating a static map variable.Instantiating it in a static block.Below is the implementation of the ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n27 Oct, 2021"
},
{
"code": null,
"e": 94,
"s": 28,
"text": "In this article, a static map is created and initialized in Java."
},
{
"code": null,
"e": 225,
"s": 94,
"text": "A static map is a map which is defined as ... |
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