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NumPy - right_shift | The numpy.right_shift() function shift the bits in the binary representation of an array element to the right by specified positions, and an equal number of 0s are appended from the left.
import numpy as np
print 'Right shift 40 by two positions:'
print np.right_shift(40,2)
print '\n'
print 'Binary representatio... | [
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"text": "The numpy.right_shift() function shift the bits in the binary representation of an array element to the right by specified positions, and an equal number of 0s are appended from the left."
},
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"code": null,
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Getting the beat right!!. Processing the ECG signal with... | by Pareeknikhil | Towards Data Science | With a plethora of Biofeedback apps emerging in the health and fitness space, wearable biosensing devices are becoming pivotal in determining the “Active” state of the users. The active state of the user could be defined as the mood; between happy-sad-neutral or stress state; between relaxed-stressed-neutral, or even h... | [
{
"code": null,
"e": 864,
"s": 172,
"text": "With a plethora of Biofeedback apps emerging in the health and fitness space, wearable biosensing devices are becoming pivotal in determining the “Active” state of the users. The active state of the user could be defined as the mood; between happy-sad-neu... |
Loading Model for Predictions | To predict the unseen data, you first need to load the trained model into the memory. This is done using the following command −
model = load_model ('./models/handwrittendigitrecognition.h5')
Note that we are simply loading the .h5 file into memory. This sets up the entire neural network in memory along with the weigh... | [
{
"code": null,
"e": 2088,
"s": 1959,
"text": "To predict the unseen data, you first need to load the trained model into the memory. This is done using the following command −"
},
{
"code": null,
"e": 2152,
"s": 2088,
"text": "model = load_model ('./models/handwrittendigitrecogni... |
How to compute union of JavaScript arrays ? - GeeksforGeeks | 05 Jan, 2022
Given two arrays containing array elements and the task is to compute the union of both arrays with the help of JavaScript. There are two methods to solve this problem which are discussed below:Approach 1:
Declare both array named as A and B.
Use spread operator to concat both array and store it into set... | [
{
"code": null,
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"text": "\n05 Jan, 2022"
},
{
"code": null,
"e": 24780,
"s": 24572,
"text": "Given two arrays containing array elements and the task is to compute the union of both arrays with the help of JavaScript. There are two methods to solve this pro... |
How to handle large datasets in Python with Pandas and Dask | by Filip Ciesielski | Towards Data Science | Python data scientists often use Pandas for working with tables. While Pandas is perfect for small to medium-sized datasets, larger ones are problematic. In this article, I show how to deal with large datasets using Pandas together with Dask for parallel computing — and when to offset even larger problems to SQL if all... | [
{
"code": null,
"e": 505,
"s": 172,
"text": "Python data scientists often use Pandas for working with tables. While Pandas is perfect for small to medium-sized datasets, larger ones are problematic. In this article, I show how to deal with large datasets using Pandas together with Dask for parallel ... |
Copy elision in C++ - GeeksforGeeks | 29 May, 2017
Copy elision (or Copy omission) is a compiler optimization technique that avoids unnecessary copying of objects. Now a days, almost every compiler uses it. Let us understand it with the help of an example.
#include <iostream>using namespace std; class B{public: B(const char* str = "\0") //default ... | [
{
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"text": "\n29 May, 2017"
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{
"code": null,
"e": 24646,
"s": 24440,
"text": "Copy elision (or Copy omission) is a compiler optimization technique that avoids unnecessary copying of objects. Now a days, almost every compiler uses it. Let us ... |
How to concatenate lists in java? | The addAll(Collection<? extends E> c) method of the class java.util.ArrayList appends all of the elements in the specified collection to the end of this list, in the order that they are returned by the specified collection's Iterator. Using this method you can concatenate two lists.
Example:
import java.util.ArrayList;... | [
{
"code": null,
"e": 1346,
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"text": "The addAll(Collection<? extends E> c) method of the class java.util.ArrayList appends all of the elements in the specified collection to the end of this list, in the order that they are returned by the specified collection's Iterator. Using this method ... |
Angular ngx bootstrap Pagination Component - GeeksforGeeks | 02 Sep, 2021
Angular ngx bootstrap is a bootstrap framework used with angular to create components with great styling and this framework is very easy to use and is used to make responsive websites. In this article, we will know how to use Pagination in angular ngx bootstrap.
Installation syntax:
npm install ngx-bootstr... | [
{
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{
"code": null,
"e": 24981,
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"text": "Angular ngx bootstrap is a bootstrap framework used with angular to create components with great styling and this framework is very easy to use and is used to make... |
What are forward declarations in C++? | Forward declaration lets the code following the declaration know that there is are classes with the name Person. This satisfies the compiler when it sees these names used. Later the linker will find the definition of the classes.
Class Person;
void myFunc(Person p1) {
// ...
}
Class Person {
// Class definition ... | [
{
"code": null,
"e": 1292,
"s": 1062,
"text": "Forward declaration lets the code following the declaration know that there is are classes with the name Person. This satisfies the compiler when it sees these names used. Later the linker will find the definition of the classes."
},
{
"code": n... |
Killshot - Information gathering Tool in kali linux - GeeksforGeeks | 30 May, 2021
Killshot is used as an information-gathering tool. It is used to scan websites for information gathering and finding vulnerabilities in websites and webapps. It is one of the easiest and useful tools for performing reconnaissance on websites and web apps. It is available for Linux, window, and android phon... | [
{
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"text": "\n30 May, 2021"
},
{
"code": null,
"e": 24384,
"s": 24015,
"text": "Killshot is used as an information-gathering tool. It is used to scan websites for information gathering and finding vulnerabilities in websites and webapps. It is... |
Paid Search Incrementality. Rethinking your targets and finding the... | by António Lima | Towards Data Science | Many advertisers and digital marketing professionals often work towards achieving a target cost per sale while maximising the number of customers or sales they bring to the business. Today we will challenge the best way to achieve those goals in the paid search world introducing the concept of incrementality. We will d... | [
{
"code": null,
"e": 731,
"s": 172,
"text": "Many advertisers and digital marketing professionals often work towards achieving a target cost per sale while maximising the number of customers or sales they bring to the business. Today we will challenge the best way to achieve those goals in the paid ... |
When not to use machine learning or AI | by Cassie Kozyrkov | Towards Data Science | Imagine that you’ve just managed to get your hands on a dataset from a clinical trial. Exciting! To help you get in character, I made up some data for you to look at:
Pretend that these datapoints map out the relationship between the treatment day (input “feature”) and the correct dosage of some miracle cure in milligr... | [
{
"code": null,
"e": 339,
"s": 172,
"text": "Imagine that you’ve just managed to get your hands on a dataset from a clinical trial. Exciting! To help you get in character, I made up some data for you to look at:"
},
{
"code": null,
"e": 580,
"s": 339,
"text": "Pretend that these ... |
EJB - Interceptors | EJB 3.0 provides specification to intercept business methods calls using methods annotated with @AroundInvoke annotation. An interceptor method is called by ejbContainer before business method call it is intercepting. Following is the example signature of an interceptor method
@AroundInvoke
public Object methodIntercep... | [
{
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"text": "EJB 3.0 provides specification to intercept business methods calls using methods annotated with @AroundInvoke annotation. An interceptor method is called by ejbContainer before business method call it is intercepting. Following is the example signature ... |
JAXB Map to XML Conversion Example - onlinetutorialspoint | PROGRAMMINGJava ExamplesC Examples
Java Examples
C Examples
C Tutorials
aws
JAVAEXCEPTIONSCOLLECTIONSSWINGJDBC
EXCEPTIONS
COLLECTIONS
SWING
JDBC
JAVA 8
SPRING
SPRING BOOT
HIBERNATE
PYTHON
PHP
JQUERY
PROGRAMMINGJava ExamplesC Examples
Java Examples
C Examples
C Tutorials
aws
JAXB is a very efficient framework to covert ... | [
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"text": "PROGRAMMINGJava ExamplesC Examples"
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"text": "C Examples"
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{
"code": null,
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... |
How to get first and last date of the current month with JavaScript? | To get the first and last date of current month in JavaScript, you can try to run the following code −
<html>
<head>
<title>JavaScript Dates</title>
</head>
<body>
<script>
var date = new Date();
document.write("Current Date: " + date );
var firstDay = new Date(date.getFu... | [
{
"code": null,
"e": 1165,
"s": 1062,
"text": "To get the first and last date of current month in JavaScript, you can try to run the following code −"
},
{
"code": null,
"e": 1608,
"s": 1165,
"text": "<html>\n <head>\n <title>JavaScript Dates</title>\n </head>\n <body>... |
Python | Pandas DataFrame.to_html() method - GeeksforGeeks | 17 Sep, 2019
With help of DataFrame.to_html() method, we can get the html format of a dataframe by using DataFrame.to_html() method.
Syntax : DataFrame.to_html()Return : Return the html format of a dataframe.
Example #1 :In this example we can say that by using DataFrame.to_html() method, we are able to get the html fo... | [
{
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"text": "\n17 Sep, 2019"
},
{
"code": null,
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"text": "With help of DataFrame.to_html() method, we can get the html format of a dataframe by using DataFrame.to_html() method."
},
{
"code": null,
"e": 24807,... |
Categorical features parameters in CatBoost | by Mariia Garkavenko | Towards Data Science | CatBoost is an open-sourced gradient boosting library. One of the differences between CatBoost and other gradient boosting libraries is its advanced processing of the categorical features (in fact “Cat” in the package name stands not for a 🐱 but for “CATegorical”).
CatBoost deals with the categorical data quite well o... | [
{
"code": null,
"e": 438,
"s": 172,
"text": "CatBoost is an open-sourced gradient boosting library. One of the differences between CatBoost and other gradient boosting libraries is its advanced processing of the categorical features (in fact “Cat” in the package name stands not for a 🐱 but for “CAT... |
C++ Program to Convert Octal Number to Binary Number | In a computer system, the binary number is expressed in the binary numeral system while the octal number is in the octal numeral system. The binary number is in base 2 while the octal number is in base 8.
Examples of binary numbers and their corresponding octal numbers are as follows −
A program that converts the octal... | [
{
"code": null,
"e": 1267,
"s": 1062,
"text": "In a computer system, the binary number is expressed in the binary numeral system while the octal number is in the octal numeral system. The binary number is in base 2 while the octal number is in base 8."
},
{
"code": null,
"e": 1349,
"... |
Convert an Iterator to a List in Java - GeeksforGeeks | 11 Dec, 2018
Given an Iterator, the task is to convert it into List in Java.
Examples:
Input: Iterator = {1, 2, 3, 4, 5}
Output: {1, 2, 3, 4, 5}
Input: Iterator = {'G', 'e', 'e', 'k', 's'}
Output: {'G', 'e', 'e', 'k', 's'}
Below are the various ways to do so:
Naive Approach:Get the Iterator.Create an empty list.Add e... | [
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"text": "\n11 Dec, 2018"
},
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"code": null,
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"text": "Given an Iterator, the task is to convert it into List in Java."
},
{
"code": null,
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"text": "Examples:"
},
{
"c... |
How to set the SVG background color ? - GeeksforGeeks | 07 Dec, 2021
There are two types of images that can be used in the background and in both cases you can change the background color of the image.
Raster: The images where each pixels represents the individual color within the image. So when we zoom in, the pixels start enlarging and hence after a certain point, the ima... | [
{
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},
{
"code": null,
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"text": "There are two types of images that can be used in the background and in both cases you can change the background color of the image."
},
{
"code": null,
... |
Generate Your Sample Dataset — A Must Have Skill For Data Scientists. | by flo.tausend | Towards Data Science | It is one thing to create powerpoint slides and talk theoretically about what you will do with data. But it is another one to create a sample dataset and present a dashboard, visualisation or data model that is already working. While many sample datasets can be found on the internet, they quite often do not fit your ex... | [
{
"code": null,
"e": 711,
"s": 172,
"text": "It is one thing to create powerpoint slides and talk theoretically about what you will do with data. But it is another one to create a sample dataset and present a dashboard, visualisation or data model that is already working. While many sample datasets ... |
Are arrays zero indexed in C#? | Yes, arrays zero indexed in C#. Let us see how −
If the array is empty, it has zero elements and has length 0.
If the array has one element in 0 indexes, then it has length 1.
If the array has two elements in 0 and 1 indexes, then it has length 2.
If the array has three elements in 0, 1 and 2 indexes, then it has lengt... | [
{
"code": null,
"e": 1111,
"s": 1062,
"text": "Yes, arrays zero indexed in C#. Let us see how −"
},
{
"code": null,
"e": 1173,
"s": 1111,
"text": "If the array is empty, it has zero elements and has length 0."
},
{
"code": null,
"e": 1238,
"s": 1173,
"text": "... |
Adding only odd or even numbers JavaScript | We are required to make a function that given an array of numbers and a string that can take
any of the two values “odd” or “even”, adds the numbers which match that condition. If no
values match the condition, 0 should be returned.
For example −
console.log(conditionalSum([1, 2, 3, 4, 5], "even")); => 6
console.log(co... | [
{
"code": null,
"e": 1295,
"s": 1062,
"text": "We are required to make a function that given an array of numbers and a string that can take\nany of the two values “odd” or “even”, adds the numbers which match that condition. If no\nvalues match the condition, 0 should be returned."
},
{
"cod... |
N-Knights Tour | Practice | GeeksforGeeks | Popular Company Tags
Amazon
Microsoft
Oracle
Samsung
Adobe
Synopsys
Infosys
Cisco
Wipro
Ola-Cabs
Morgan-Stanley
Goldman-Sachs
show more
Amazon
Microsoft
Oracle
Samsung
Adobe
Synopsys
Infosys
Cisco
Wipro
Ola-Cabs
Morgan-Stanley
Goldman-Sachs
Popular Topic Tags
Maths
Array
Dynamic-Programming
Greedy-Algorithm
Hashi... | [
{
"code": null,
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"text": "\nPopular Company Tags\n\nAmazon\nMicrosoft\nOracle\nSamsung\nAdobe\nSynopsys\nInfosys\nCisco\nWipro\nOla-Cabs\nMorgan-Stanley\nGoldman-Sachs\nshow more\n\n"
},
{
"code": null,
"e": 317,
"s": 310,
"text": "Amazon"
},
{
"code": ... |
How to Use Singular Value Decomposition (SVD) for Image Classification in Python | by Nikos Kafritsas | Towards Data Science | One of the most elusive topics in linear algebra is the Singular Value Decomposition (SVD) method. It is also one of the most fundamental techniques because it paves the way for understanding Principal component analysis (PCA), Latent Dirichlet Allocation (LDA) and the concept of matrix factorization in general.
The el... | [
{
"code": null,
"e": 486,
"s": 172,
"text": "One of the most elusive topics in linear algebra is the Singular Value Decomposition (SVD) method. It is also one of the most fundamental techniques because it paves the way for understanding Principal component analysis (PCA), Latent Dirichlet Allocation... |
Find Pair Given Difference | Practice | GeeksforGeeks | Given an array Arr[] of size L and a number N, you need to write a program to find if there exists a pair of elements in the array whose difference is N.
Example 1:
Input:
L = 6, N = 78
arr[] = {5, 20, 3, 2, 5, 80}
Output: 1
Explanation: (2, 80) have difference of 78.
Example 2:
Input:
L = 5, N = 45
arr[] = {90, 70, 20... | [
{
"code": null,
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"text": "Given an array Arr[] of size L and a number N, you need to write a program to find if there exists a pair of elements in the array whose difference is N."
},
{
"code": null,
"e": 403,
"s": 392,
"text": "Example 1:"
},
{
"code":... |
Layman’s Introduction to KNN. k-nearest neighbour algorithm is where... | by Rishi Sidhu | Towards Data Science | kNN stands for k-Nearest Neighbours. It is a supervised learning algorithm. This means that we train it under supervision. We train it using the labelled data already available to us. Given a labelled dataset consisting of observations (x,y), we would like to capture the relationship between x — the data and y — the la... | [
{
"code": null,
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"text": "kNN stands for k-Nearest Neighbours. It is a supervised learning algorithm. This means that we train it under supervision. We train it using the labelled data already available to us. Given a labelled dataset consisting of observations (x,y), we would lik... |
Introduction to AWS Lambda, Layers and boto3 using Python3 | by Gabriel dos Santos Gonçalves | Towards Data Science | Amazon Lambda is probably the most famous serverless service available today offering low cost and practically no cloud infrastructure governance needed. It offers a relatively simple and straightforward platform for implementing functions on different languages like Python, Node.js, Java, C# and many more.
Amazon Lamb... | [
{
"code": null,
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"text": "Amazon Lambda is probably the most famous serverless service available today offering low cost and practically no cloud infrastructure governance needed. It offers a relatively simple and straightforward platform for implementing functions on different la... |
Foreign Key constraint in SQL - GeeksforGeeks | 19 Oct, 2020
Foreign Key is a column that refers to the primary key/unique key of other table. So it demonstrates relationship between tables and act as cross reference among them. Table in which foreign key is defined is called Foreign table/Referencing table. Table that defines primary/unique key and is referenced by... | [
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"code": null,
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"text": "Foreign Key is a column that refers to the primary key/unique key of other table. So it demonstrates relationship between tables and act as cross reference among t... |
How can I subtract tuple of tuples from a tuple in Python? | The direct way to subtract tuple of tuples from a tuple in Python is to use loops directly. For example, if
you have a tuple of tuples
((0, 1, 2), (3, 4, 5), (6, 7, 8), (9, 10, 11), (12, 13, 14))
and want to subtract (1, 2, 3, 4, 5) from each of the inner tuples, you can do it as follows
my_tuple = ((0, 1, 2), (3, 4, 5... | [
{
"code": null,
"e": 1170,
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"text": "The direct way to subtract tuple of tuples from a tuple in Python is to use loops directly. For example, if"
},
{
"code": null,
"e": 1197,
"s": 1170,
"text": "you have a tuple of tuples"
},
{
"code": null,
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Comparison of dates in PHP | Matching two dates in PHP is quite smooth when both the dates are in a similar format but php failed to analyze when the two dates are in an unrelated format. In this article, we will discuss different cases of date comparison in PHP. We will figure out how to utilize DateTime class,strtotime() in comparing dates.
we c... | [
{
"code": null,
"e": 1378,
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"text": "Matching two dates in PHP is quite smooth when both the dates are in a similar format but php failed to analyze when the two dates are in an unrelated format. In this article, we will discuss different cases of date comparison in PHP. We will figure out... |
BabylonJS - Extrusion | Extrusion helps in transforming a 2D shape into a volumic shape.Suppose you want to create a star with 2D you will have x,y co-ordinates and z will be 0.Taking the 2D co-ordinates extrusion will convert the same to a 3D shape.So, the start of 2D with extrusion will turn out to be a 3D.You can try different 2D shapes an... | [
{
"code": null,
"e": 2528,
"s": 2183,
"text": "Extrusion helps in transforming a 2D shape into a volumic shape.Suppose you want to create a star with 2D you will have x,y co-ordinates and z will be 0.Taking the 2D co-ordinates extrusion will convert the same to a 3D shape.So, the start of 2D with ex... |
Compiler Design - Semantic Analysis | We have learnt how a parser constructs parse trees in the syntax analysis phase. The plain parse-tree constructed in that phase is generally of no use for a compiler, as it does not carry any information of how to evaluate the tree. The productions of context-free grammar, which makes the rules of the language, do not ... | [
{
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"text": "We have learnt how a parser constructs parse trees in the syntax analysis phase. The plain parse-tree constructed in that phase is generally of no use for a compiler, as it does not carry any information of how to evaluate the tree. The productions of c... |
How-to Uninstall PostgreSQL 13.3 and Reinstall via Brew | by Wen Yang | Towards Data Science | Who is this for?
For anyone who needs to completely uninstall PostgresSQL 13.3, which was installed via the installer.
This article will cover three topics:
How to uninstall PostgreSQL 13.3
How to reinstall PostgreSQL back via brew
Test to see if it’s working: create database, user, and grant privileges
How to uninstal... | [
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"text": "Who is this for?"
},
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"code": null,
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"text": "For anyone who needs to completely uninstall PostgresSQL 13.3, which was installed via the installer."
},
{
"code": null,
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"text":... |
C++ Array Library - begin() Function | The C++ function std::array::begin() returns an iterator which points to the start of the array.
Following is the declaration for std::array::begin() function form std::array header.
iterator begin() noexcept;
const_iterator begin() const noexcept;
None
If array object is const-qualified, method returns const random ac... | [
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"text": "The C++ function std::array::begin() returns an iterator which points to the start of the array."
},
{
"code": null,
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"text": "Following is the declaration for std::array::begin() function form std::array header.... |
Quotation in Python | Python accepts single ('), double (") and triple (''' or """) quotes to denote string literals, as long as the same type of quote starts and ends the string.
The triple quotes are used to span the string across multiple lines. For example, all the following are legal −
word = 'word'
sentence = "This is a sentence."
par... | [
{
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"text": "Python accepts single ('), double (\") and triple (''' or \"\"\") quotes to denote string literals, as long as the same type of quote starts and ends the string."
},
{
"code": null,
"e": 1332,
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"text": "The triple quotes ar... |
stopImmediatePropagation() Method | The stopImmediatePropagation() method stops the rest of the handlers from being executed. This method also stops the bubbling by calling event.stopPropagation().
You can use event.isImmediatePropagationStopped() to know whether this method was ever called (on that event object).
Here is the simple syntax to use this me... | [
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"text": "The stopImmediatePropagation() method stops the rest of the handlers from being executed. This method also stops the bubbling by calling event.stopPropagation()."
},
{
"code": null,
"e": 2602,
"s": 2484,
"text": "You can use event.is... |
Analyzing commonly used slang words on TikTok using Twitter | by Kieran Tan Kah Wang | Towards Data Science | TikTok has been on the rise in recent years globally especially among the Gen-Z population who are born between 1997 to 2015. Slang words like LOL (Laugh out loud), ROFL (rolling on floor laughing), and FOMO (fear of missing out) is what most of us know but does the rise of TikTok brought upon another set of slang word... | [
{
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"text": "TikTok has been on the rise in recent years globally especially among the Gen-Z population who are born between 1997 to 2015. Slang words like LOL (Laugh out loud), ROFL (rolling on floor laughing), and FOMO (fear of missing out) is what most of us know b... |
phpMyAdmin - Databases | Start the Apache Server and open /localhost/phpmyadmin phpmyadmin in web browser to open the phpMyAdmin interface.
As we have configured a database MySQL during Environment Setup, we've root user with password as root@123. Once phpMyAdmin opens up, you need to enter same credential to login to database.
Once logged in,... | [
{
"code": null,
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"text": "Start the Apache Server and open /localhost/phpmyadmin phpmyadmin in web browser to open the phpMyAdmin interface."
},
{
"code": null,
"e": 2340,
"s": 2150,
"text": "As we have configured a database MySQL during Environment Setup, we... |
How to Write Python Command-Line Interfaces like a Pro | by Simon Hawe | Towards Data Science | We as Data Scientists face doing many repetitive and similar tasks. That includes creating weekly reports, executing extract, transform, load (ETL) jobs, or training models using different parameter sets. Often, we end up having a bunch of Python scripts, where we change parameters in code every time we run them. I hat... | [
{
"code": null,
"e": 922,
"s": 171,
"text": "We as Data Scientists face doing many repetitive and similar tasks. That includes creating weekly reports, executing extract, transform, load (ETL) jobs, or training models using different parameter sets. Often, we end up having a bunch of Python scripts,... |
Genome Assembly — The Holy Grail of Genome Analysis | by Vijini Mallawaarachchi | Towards Data Science | The 2019 novel coronavirus or coronavirus disease (COVID-19) outbreak has threatened the entire world at present. Scientists are working day and night to understand the origin of COVID-19. You may have heard the news recently that the complete genome of COVID-19 has been published. How did scientists figure out the com... | [
{
"code": null,
"e": 569,
"s": 171,
"text": "The 2019 novel coronavirus or coronavirus disease (COVID-19) outbreak has threatened the entire world at present. Scientists are working day and night to understand the origin of COVID-19. You may have heard the news recently that the complete genome of C... |
What are the differences between import and static import statements in Java? | We can use an import statement to import classes and interface of a particular package. Whenever we are using import statement it is not required to use the fully qualified name and we can use short name directly. We can use static import to import static member from a particular class and package. Whenever we are usin... | [
{
"code": null,
"e": 1488,
"s": 1062,
"text": "We can use an import statement to import classes and interface of a particular package. Whenever we are using import statement it is not required to use the fully qualified name and we can use short name directly. We can use static import to import stat... |
Aurelia - Events | In this chapter, you will learn about Aurelia events.
Even delegation is a useful concept where the event handler is attached to one top level element instead of multiple elements on the DOM. This will improve the application memory efficiency and should be used whenever possible.
This is a simple example of using even... | [
{
"code": null,
"e": 2219,
"s": 2165,
"text": "In this chapter, you will learn about Aurelia events."
},
{
"code": null,
"e": 2447,
"s": 2219,
"text": "Even delegation is a useful concept where the event handler is attached to one top level element instead of multiple elements on... |
Python program to find the sum of all items in a dictionary | In this article, we will learn about the solution to the problem statement given below.
Problem statement − We are given a dictionary, and we need to print the 3 highest value in a dictionary.
Three approaches to the problem statement are given below:
Live Demo
# sum function
def Sum(myDict):
sum_ = 0
for i in m... | [
{
"code": null,
"e": 1150,
"s": 1062,
"text": "In this article, we will learn about the solution to the problem statement given below."
},
{
"code": null,
"e": 1255,
"s": 1150,
"text": "Problem statement − We are given a dictionary, and we need to print the 3 highest value in a d... |
ViP-IPykernel: Start Jupyter Kernels in the Closest Venv | Towards Data Science | Reproducibility has been a hot topic for years in STEM subjects, more and more people are realising how important it is for your work to be reproducible, both from a purely scientific point of view but also as a way to facilitate and improve collaboration between colleagues.
When using Python, an essential element of h... | [
{
"code": null,
"e": 448,
"s": 172,
"text": "Reproducibility has been a hot topic for years in STEM subjects, more and more people are realising how important it is for your work to be reproducible, both from a purely scientific point of view but also as a way to facilitate and improve collaboration... |
How to create responsive column cards with CSS? | To create responsive column cards with CSS, the code is as follows −
Live Demo
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
* {
box-sizing: border-box;
}
.ca... | [
{
"code": null,
"e": 1131,
"s": 1062,
"text": "To create responsive column cards with CSS, the code is as follows −"
},
{
"code": null,
"e": 1142,
"s": 1131,
"text": " Live Demo"
},
{
"code": null,
"e": 2385,
"s": 1142,
"text": "<!DOCTYPE html>\n<html>\n<head>... |
chkconfig - Unix, Linux Command | chkconfig - Updates and queries runlevel information for system services.
chkconfig --list [name]
chkconfig --add name
chkconfig --del name
chkconfig [--level levels] name
chkconfig [--level levels] name
chkconfig provides a simple command-line tool for maintaining the /etc/rc[0-6].d directory hierarchy by relieving ... | [
{
"code": null,
"e": 10651,
"s": 10577,
"text": "chkconfig - Updates and queries runlevel information for system services."
},
{
"code": null,
"e": 10783,
"s": 10651,
"text": "chkconfig --list [name]\nchkconfig --add name\nchkconfig --del name\nchkconfig [--level levels] name \nc... |
Gson - Class | Gson is the main actor class of Google Gson library. It provides functionalities to convert Java objects to matching JSON constructs and vice versa. Gson is first constructed using GsonBuilder and then, toJson(Object) or fromJson(String, Class) methods are used to read/write JSON constructs.
Following is the declaratio... | [
{
"code": null,
"e": 2225,
"s": 1932,
"text": "Gson is the main actor class of Google Gson library. It provides functionalities to convert Java objects to matching JSON constructs and vice versa. Gson is first constructed using GsonBuilder and then, toJson(Object) or fromJson(String, Class) methods ... |
Java Program to Implement the Linear Congruential Generator for Pseudo Random Number Generation - GeeksforGeeks | 17 Jul, 2021
Linear Congruential Method is a class of Pseudo-Random Number Generator (PRNG) algorithms used for generating sequences of random-like numbers in a specific range. This method can be defined as:
Xi+1 = aXi + c mod m
where,
X, is the sequence of pseudo-rand... | [
{
"code": null,
"e": 23557,
"s": 23529,
"text": "\n17 Jul, 2021"
},
{
"code": null,
"e": 23753,
"s": 23557,
"text": "Linear Congruential Method is a class of Pseudo-Random Number Generator (PRNG) algorithms used for generating sequences of random-like numbers in a specific range.... |
How to use the CopyTo(,) method of array class in C# | The CopyTo() method in C# is used to copy elements of one array to another array. In this method, you can set the starting index from where you want to copy from the source array.
The following is the syntax.
CopyTo(dest, index);
Here dest = destination array
index= starting index
The following is an example showing th... | [
{
"code": null,
"e": 1242,
"s": 1062,
"text": "The CopyTo() method in C# is used to copy elements of one array to another array. In this method, you can set the starting index from where you want to copy from the source array."
},
{
"code": null,
"e": 1271,
"s": 1242,
"text": "Th... |
Batch Script - NET ACCOUNTS | View the current password & logon restrictions for the computer.
NET ACCOUNT [/FORCELOGOFF:{minutes | NO}] [/MINPWLEN:length]
[/MAXPWAGE:{days | UNLIMITED}] [/MINPWAGE:days]
[/UNIQUEPW:number] [/DOMAIN]
Wherein
FORCELOGOFF − Force the log-off of the current user within a defined time period.
FORCELOGOFF − Force the l... | [
{
"code": null,
"e": 2234,
"s": 2169,
"text": "View the current password & logon restrictions for the computer."
},
{
"code": null,
"e": 2374,
"s": 2234,
"text": "NET ACCOUNT [/FORCELOGOFF:{minutes | NO}] [/MINPWLEN:length]\n[/MAXPWAGE:{days | UNLIMITED}] [/MINPWAGE:days] \n[/UNI... |
What is explode() function in PHP? | In this article, figure out how to utilize PHP Explode() function which is a predefined inbuilt PHP function.
The explode function is utilized to "Split a string into pieces of elements to form an array".The explode function in PHP enables us to break a string into smaller content with a break. This break is known as t... | [
{
"code": null,
"e": 1297,
"s": 1187,
"text": "In this article, figure out how to utilize PHP Explode() function which is a predefined inbuilt PHP function."
},
{
"code": null,
"e": 1521,
"s": 1297,
"text": "The explode function is utilized to \"Split a string into pieces of elem... |
Clockwise rotation of Linked List - GeeksforGeeks | 31 Mar, 2022
Given a singly linked list and an integer K, the task is to rotate the linked list clockwise to the right by K places.Examples:
Input: 1 -> 2 -> 3 -> 4 -> 5 -> NULL, K = 2 Output: 4 -> 5 -> 1 -> 2 -> 3 -> NULLInput: 7 -> 9 -> 11 -> 13 -> 3 -> 5 -> NULL, K = 12 Output: 7 -> 9 -> 11 -> 13 -> 3 -> 5 -> NULL... | [
{
"code": null,
"e": 26161,
"s": 26133,
"text": "\n31 Mar, 2022"
},
{
"code": null,
"e": 26291,
"s": 26161,
"text": "Given a singly linked list and an integer K, the task is to rotate the linked list clockwise to the right by K places.Examples: "
},
{
"code": null,
"... |
JavaScript in operator - GeeksforGeeks | 11 Sep, 2020
Below is the example of the in operator.
Example 1:<script> function gfg() { // Illustration of in operator const array = ['geeks', 'for', 'geeks'] // Output of the indexed number document.write(0 in array); // Output of the Value document.write('for' in... | [
{
"code": null,
"e": 25881,
"s": 25853,
"text": "\n11 Sep, 2020"
},
{
"code": null,
"e": 25922,
"s": 25881,
"text": "Below is the example of the in operator."
},
{
"code": null,
"e": 26299,
"s": 25922,
"text": "Example 1:<script> function gfg() { // Il... |
Program to find Sum of the series 1*3 + 3*5 + .... - GeeksforGeeks | 01 Nov, 2021
Given a series:
Sn = 1*3 + 3*5 + 5*7 + ...
It is required to find the sum of first n terms of this series represented by Sn, where n is given taken input.Examples:
Input : n = 2
Output : S<sub>n</sub> = 18
Explanation:
The sum of first 2 terms of Series is
1*3 + 3*5
= 3 + 15
= 28
Input : n = 4
Out... | [
{
"code": null,
"e": 26689,
"s": 26661,
"text": "\n01 Nov, 2021"
},
{
"code": null,
"e": 26707,
"s": 26689,
"text": "Given a series: "
},
{
"code": null,
"e": 26735,
"s": 26707,
"text": "Sn = 1*3 + 3*5 + 5*7 + ... "
},
{
"code": null,
"e": 26858,
... |
Python | Pandas Dataframe.rename() - GeeksforGeeks | 17 Sep, 2018
Python is a great language for doing data analysis, primarily because of the fantastic ecosystem of data-centric python packages. Pandas is one of those packages and makes importing and analyzing data much easier.
Pandas rename() method is used to rename any index, column or row. Renaming of column can als... | [
{
"code": null,
"e": 26131,
"s": 26103,
"text": "\n17 Sep, 2018"
},
{
"code": null,
"e": 26345,
"s": 26131,
"text": "Python is a great language for doing data analysis, primarily because of the fantastic ecosystem of data-centric python packages. Pandas is one of those packages a... |
Is it fine to write void main() or main() in C/C++? - GeeksforGeeks | 02 Dec, 2021
In C, void main() has no defined(legit) usage, and it can sometimes throw garbage results or an error. However, main() is used to denote the main function which takes no arguments and returns an integer data type.
The definition is not and never has been C++, nor has it even been C. See the ISO C++ standar... | [
{
"code": null,
"e": 25711,
"s": 25683,
"text": "\n02 Dec, 2021"
},
{
"code": null,
"e": 25925,
"s": 25711,
"text": "In C, void main() has no defined(legit) usage, and it can sometimes throw garbage results or an error. However, main() is used to denote the main function which ta... |
Functional Programming in Java with Examples - GeeksforGeeks | 29 Nov, 2020
So far Java was supporting the imperative style of programming and object-oriented style of programming. The next big thing what java has been added is that Java has started supporting the functional style of programming with its Java 8 release. In this article, we will discuss functional programming in Ja... | [
{
"code": null,
"e": 25499,
"s": 25471,
"text": "\n29 Nov, 2020"
},
{
"code": null,
"e": 26958,
"s": 25499,
"text": "So far Java was supporting the imperative style of programming and object-oriented style of programming. The next big thing what java has been added is that Java h... |
Extract data.table Column as Vector Using Index Position in R - GeeksforGeeks | 17 May, 2021
The column at a specified index can be extracted using the list sub-setting, i.e. [[, operator. The double bracket operator is faster in comparison to the single bracket, and can be used to extract the element or factor level at the specified index. In case, an index more than the number of rows is specifi... | [
{
"code": null,
"e": 26487,
"s": 26459,
"text": "\n17 May, 2021"
},
{
"code": null,
"e": 27072,
"s": 26487,
"text": "The column at a specified index can be extracted using the list sub-setting, i.e. [[, operator. The double bracket operator is faster in comparison to the single b... |
Displaying different images with actual size in a Matplotlib subplot | To display different images with actual size in a Matplotlib subplot, we can take the following
steps −
Set the figure size and adjust the padding between and around the subplots.
Read two images using imread() method (im1 and im2)
Create a figure and a set of subplots.
Turn off axes for both the subplots.
Use imshow()... | [
{
"code": null,
"e": 1166,
"s": 1062,
"text": "To display different images with actual size in a Matplotlib subplot, we can take the following\nsteps −"
},
{
"code": null,
"e": 1242,
"s": 1166,
"text": "Set the figure size and adjust the padding between and around the subplots."
... |
Chi-squared tests to compare two machine learning models and determine whether they are random | by shashank kumar | Towards Data Science | A challenging classification problem has grappled you to your screen. You have been pouncing the keyboard for hours, analyzing data, debugging code, and executing algorithms. Your endeavors blossom into two machine learning models. But there’s a last hassle before you can smack the display down and gulp a cold one. You... | [
{
"code": null,
"e": 947,
"s": 172,
"text": "A challenging classification problem has grappled you to your screen. You have been pouncing the keyboard for hours, analyzing data, debugging code, and executing algorithms. Your endeavors blossom into two machine learning models. But there’s a last hass... |
Space and Time Complexity in Computer Algorithms | by Areeba Merriam | Towards Data Science | In this article, I will discuss computational complexity which was developed by Juris Hartmanis and Richard E. Stearns to analyze the difficulty of an algorithm.
We all know, human nature aspires to seek an efficient way to assemble their daily tasks. The predominant thought process behind innovation and technology is ... | [
{
"code": null,
"e": 334,
"s": 172,
"text": "In this article, I will discuss computational complexity which was developed by Juris Hartmanis and Richard E. Stearns to analyze the difficulty of an algorithm."
},
{
"code": null,
"e": 743,
"s": 334,
"text": "We all know, human natur... |
Unsupervised Learning Techniques using Python — K Means ++ and Silhouette Score for Clustering | by Angel Das | Towards Data Science | For those of you who are wondering what an unsupervised learning technique is, imagine you run a sports shop in Clayton (Go Melbourne Victory FC). You plan to introduce a promotional offer for your high valued customers as a token of appreciation. You have hundreds of customers visiting you every day. Who should you se... | [
{
"code": null,
"e": 1131,
"s": 172,
"text": "For those of you who are wondering what an unsupervised learning technique is, imagine you run a sports shop in Clayton (Go Melbourne Victory FC). You plan to introduce a promotional offer for your high valued customers as a token of appreciation. You ha... |
A Beginner’s Guide to Visualizing Audio as a Spectrogram in Python | by Braden Riggs | Towards Data Science | We often think of audio data as just data we interpret and process through our auditory system, but that doesn’t have to be the only way that we analyze and interpret audio signals. One such way we can instead understand audio data is through visual representations of the noises we hear. These visual representations ar... | [
{
"code": null,
"e": 594,
"s": 172,
"text": "We often think of audio data as just data we interpret and process through our auditory system, but that doesn’t have to be the only way that we analyze and interpret audio signals. One such way we can instead understand audio data is through visual repre... |
Java Program to convert int to binary string | The Integer.toBinaryString() method in Java converts int to binary string.
Let’s say the following are our integer values.
int val1 = 9;
int val2 = 20;
int val3 = 2;
Convert the above int values to binary string.
Integer.toBinaryString(val1);
Integer.toBinaryString(val2);
Integer.toBinaryString(val3);
Live Demo
public... | [
{
"code": null,
"e": 1137,
"s": 1062,
"text": "The Integer.toBinaryString() method in Java converts int to binary string."
},
{
"code": null,
"e": 1185,
"s": 1137,
"text": "Let’s say the following are our integer values."
},
{
"code": null,
"e": 1228,
"s": 1185,
... |
Display table records from a stored procedure in MySQL | Let us first create a table −
mysql> create table DemoTable1933
(
ClientName varchar(20)
);
Query OK, 0 rows affected (0.00 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable1933 values('Chris Brown');
Query OK, 1 row affected (0.00 sec)
mysql> insert into DemoTable1933 v... | [
{
"code": null,
"e": 1092,
"s": 1062,
"text": "Let us first create a table −"
},
{
"code": null,
"e": 1200,
"s": 1092,
"text": "mysql> create table DemoTable1933\n (\n ClientName varchar(20)\n );\nQuery OK, 0 rows affected (0.00 sec)"
},
{
"code": null,
"e": 125... |
How to change an HTML5 input's placeholder color with CSS? | HTML5 introduced a new attribute called placeholder. This attribute on <input> and <textarea> elements provides a hint to the user of what can be entered in the field.
Here’s an example showing what a placeholder is. The hint to email i.e. email@example.com is placeholder here:
You can try to run the following code to ... | [
{
"code": null,
"e": 1230,
"s": 1062,
"text": "HTML5 introduced a new attribute called placeholder. This attribute on <input> and <textarea> elements provides a hint to the user of what can be entered in the field."
},
{
"code": null,
"e": 1341,
"s": 1230,
"text": "Here’s an exam... |
Don’t Overfit! — How to prevent Overfitting in your Deep Learning Models | by Nils Schlüter | Towards Data Science | In this article, I am going to talk about how you can prevent overfitting in your deep learning models. To have a reference dataset, I used the Don’t Overfit! II Challenge from Kaggle.
If you actually wanted to win a challenge like this, don’t use Neural Networks as they are very prone to overfitting. But, we’re not he... | [
{
"code": null,
"e": 356,
"s": 171,
"text": "In this article, I am going to talk about how you can prevent overfitting in your deep learning models. To have a reference dataset, I used the Don’t Overfit! II Challenge from Kaggle."
},
{
"code": null,
"e": 590,
"s": 356,
"text": "I... |
Delete and Edit items in Tkinter TreeView | Tkinter Treeview widget is used to display the data in a hierarchical structure. In this structure, each row can represent a file or a directory. Each directory contains files or additional directories. If we want to create a Treeview widget, then we can use Treeview(parent, columns) constructor to build the table.
The... | [
{
"code": null,
"e": 1379,
"s": 1062,
"text": "Tkinter Treeview widget is used to display the data in a hierarchical structure. In this structure, each row can represent a file or a directory. Each directory contains files or additional directories. If we want to create a Treeview widget, then we ca... |
Flood fill algorithm using C graphics | With respect of a given rectangle, our task is to fill this rectangle applying flood fill algorithm.
Input
rectangle(left = 50, top = 50, right= 100, bottom = 100)
floodFill( a = 55, b = 55, NewColor = 12, OldColor = 0)
Output
// A recursive function to replace previous color 'OldColor' at '(a, b)' and all surroundin... | [
{
"code": null,
"e": 1163,
"s": 1062,
"text": "With respect of a given rectangle, our task is to fill this rectangle applying flood fill algorithm."
},
{
"code": null,
"e": 1170,
"s": 1163,
"text": "Input "
},
{
"code": null,
"e": 1283,
"s": 1170,
"text": "rec... |
A program to check if a binary tree is BST or not - GeeksforGeeks | 18 Feb, 2022
A binary search tree (BST) is a node based binary tree data structure which has the following properties.
The left subtree of a node contains only nodes with keys less than the node’s key.
The right subtree of a node contains only nodes with keys greater than the node’s key.
Both the left and right subtre... | [
{
"code": null,
"e": 24990,
"s": 24962,
"text": "\n18 Feb, 2022"
},
{
"code": null,
"e": 25097,
"s": 24990,
"text": "A binary search tree (BST) is a node based binary tree data structure which has the following properties. "
},
{
"code": null,
"e": 25180,
"s": 250... |
C# | Convert.ToInt16(String, IFormatProvider) Method - GeeksforGeeks | 10 Dec, 2019
This method is used to convert the specified string representation of a number to an equivalent 16-bit signed integer, using the specified culture-specific formatting information.
Syntax:
public static short ToInt16 (string value, IFormatProvider provider);
Parameters:
value: It is a string that contains t... | [
{
"code": null,
"e": 24222,
"s": 24194,
"text": "\n10 Dec, 2019"
},
{
"code": null,
"e": 24402,
"s": 24222,
"text": "This method is used to convert the specified string representation of a number to an equivalent 16-bit signed integer, using the specified culture-specific formatt... |
C# | How to change the CursorLeft of the Console - GeeksforGeeks | 28 Jan, 2019
Given the normal Console in C#, the task is to change the CursorLeft of the Console.
Approach: This can be done using the CursorLeft property in the Console class of the System package in C#. This changes the horizontal position of the Cursor. Basically, it gets or sets the column position of the cursor wi... | [
{
"code": null,
"e": 25028,
"s": 25000,
"text": "\n28 Jan, 2019"
},
{
"code": null,
"e": 25113,
"s": 25028,
"text": "Given the normal Console in C#, the task is to change the CursorLeft of the Console."
},
{
"code": null,
"e": 25357,
"s": 25113,
"text": "Appro... |
How to overload and override main method in Java - GeeksforGeeks | 05 Apr, 2019
Method Overloading can be defined as a feature in which a class can have more than one method having the same name if and only if they differ by number of parameters or the type of parameters or both, then they may or may not have same return type. Method overloading is one of the ways that java support Po... | [
{
"code": null,
"e": 23582,
"s": 23554,
"text": "\n05 Apr, 2019"
},
{
"code": null,
"e": 24106,
"s": 23582,
"text": "Method Overloading can be defined as a feature in which a class can have more than one method having the same name if and only if they differ by number of paramete... |
How to add a title in anchor tag using jQuery? | To add a title in anchor tag in jQuery, use the prop() method. The prop() method is used to set properties and values of the selected elements.
You can try to run the following code to learn how to add a title in anchor tag using jQuery −
Live Demo
<html>
<head>
<script src = "https://ajax.googleapis.com/ajax/... | [
{
"code": null,
"e": 1206,
"s": 1062,
"text": "To add a title in anchor tag in jQuery, use the prop() method. The prop() method is used to set properties and values of the selected elements."
},
{
"code": null,
"e": 1301,
"s": 1206,
"text": "You can try to run the following code ... |
Adding an element to the List in C# | To add an element to the List, the code is as follows −
Live Demo
using System;
using System.Collections.Generic;
public class Demo {
public static void Main(String[] args) {
List<String> list = new List<String>();
list.Add("One");
list.Add("Two");
list.Add("Three");
list.Add("Four");
... | [
{
"code": null,
"e": 1118,
"s": 1062,
"text": "To add an element to the List, the code is as follows −"
},
{
"code": null,
"e": 1129,
"s": 1118,
"text": " Live Demo"
},
{
"code": null,
"e": 1743,
"s": 1129,
"text": "using System;\nusing System.Collections.Gene... |
Hexadecimal color to RGB color JavaScript | We are required to write a JavaScript function that takes in a hexadecimal color and returns its RGB representation.
The function should return an object containing the respective values of red green and blue
color −
hexToRgb('#0080C0') should return 0, 128, 192
The code for this will be −
const hex = '#0080C0';
const ... | [
{
"code": null,
"e": 1179,
"s": 1062,
"text": "We are required to write a JavaScript function that takes in a hexadecimal color and returns its RGB representation."
},
{
"code": null,
"e": 1279,
"s": 1179,
"text": "The function should return an object containing the respective va... |
Find and Draw Contours using OpenCV | Python - GeeksforGeeks | 29 Apr, 2019
Contours are defined as the line joining all the points along the boundary of an image that are having the same intensity. Contours come handy in shape analysis, finding the size of the object of interest, and object detection.
OpenCV has findContour() function that helps in extracting the contours from th... | [
{
"code": null,
"e": 24533,
"s": 24505,
"text": "\n29 Apr, 2019"
},
{
"code": null,
"e": 24761,
"s": 24533,
"text": "Contours are defined as the line joining all the points along the boundary of an image that are having the same intensity. Contours come handy in shape analysis, f... |
Area of Circumcircle of an Equilateral Triangle using Median - GeeksforGeeks | 25 Mar, 2021
Given the median of the Equilateral triangle M, the task is to find the area of the circumcircle of this equilateral triangle using the median M.Examples:
Input: M = 3 Output: 12.5664Input: M = 6 Output: 50.2655
Approach: The key observation in the problem is that the centroid, circumcenter, orthocen... | [
{
"code": null,
"e": 26561,
"s": 26533,
"text": "\n25 Mar, 2021"
},
{
"code": null,
"e": 26718,
"s": 26561,
"text": "Given the median of the Equilateral triangle M, the task is to find the area of the circumcircle of this equilateral triangle using the median M.Examples: "
},
... |
Getting started with Pandas time-series functionality | by Tom Waterman | Towards Data Science | Pandas has exceptional features for analyzing time-series data, including automatic datetime parsing, advanced filtering capabilities, and several datetime-specific plotting functions.
I find myself using those features almost every day, but it took me a long time to discover them: many of Pandas datetime capabilities ... | [
{
"code": null,
"e": 357,
"s": 172,
"text": "Pandas has exceptional features for analyzing time-series data, including automatic datetime parsing, advanced filtering capabilities, and several datetime-specific plotting functions."
},
{
"code": null,
"e": 578,
"s": 357,
"text": "I... |
How to close the ResultSet cursor automatically, after commit in JDBC? | ResultSet holdability determines whether the ResultSet objects (cursors) should be closed or held open when a transaction (that contains the said cursor/ ResultSet object) is committed using the commit() method of the Connection interface.
ResultSet interface provides two values to specify the holdability namely CLOSE_... | [
{
"code": null,
"e": 1302,
"s": 1062,
"text": "ResultSet holdability determines whether the ResultSet objects (cursors) should be closed or held open when a transaction (that contains the said cursor/ ResultSet object) is committed using the commit() method of the Connection interface."
},
{
... |
Align the components with Bootstrap | To align the components like nav links, forms, buttons, or text to left or right in a navbar using the utility classes .navbar-left or .navbar-right. Both classes will add a CSS float in the specified direction.
You can try to run the following code to align components
Live Demo
<!DOCTYPE html>
<html>
<head>
<... | [
{
"code": null,
"e": 1274,
"s": 1062,
"text": "To align the components like nav links, forms, buttons, or text to left or right in a navbar using the utility classes .navbar-left or .navbar-right. Both classes will add a CSS float in the specified direction."
},
{
"code": null,
"e": 1332... |
How to sort a random number array in java? | To sort an array in Java, you need to compare each element of the array to all the remaining elements and verify whether it is greater if so swap them.
One solution to do so you need to use two loops (nested) where the inner loop starts with i+1 (where i is the variable of outer loop) to avoid repetitions in comparison... | [
{
"code": null,
"e": 1214,
"s": 1062,
"text": "To sort an array in Java, you need to compare each element of the array to all the remaining elements and verify whether it is greater if so swap them."
},
{
"code": null,
"e": 1384,
"s": 1214,
"text": "One solution to do so you need... |
Clustering Algorithms - Mean Shift Algorithm | As discussed earlier, it is another powerful clustering algorithm used in unsupervised learning. Unlike K-means clustering, it does not make any assumptions; hence it is a non-parametric algorithm.
Mean-shift algorithm basically assigns the datapoints to the clusters iteratively by shifting points towards the highest d... | [
{
"code": null,
"e": 2502,
"s": 2304,
"text": "As discussed earlier, it is another powerful clustering algorithm used in unsupervised learning. Unlike K-means clustering, it does not make any assumptions; hence it is a non-parametric algorithm."
},
{
"code": null,
"e": 2668,
"s": 250... |
Copy and paste to your clipboard using the pyperclip module in Python | We will be using the pyperclip module in order to copy and paste content to the clipboard. It is cross−platform and works on both Python 2 and Python 3.
Copying and pasting from and to the clipboard could be very useful when you want the output of the data to be pasted elsewhere in a different file or software.
The pyp... | [
{
"code": null,
"e": 1215,
"s": 1062,
"text": "We will be using the pyperclip module in order to copy and paste content to the clipboard. It is cross−platform and works on both Python 2 and Python 3."
},
{
"code": null,
"e": 1375,
"s": 1215,
"text": "Copying and pasting from and ... |
Bootstrap 5 | Button group - GeeksforGeeks | 29 Jul, 2020
Bootstrap 5 is the latest major release by Bootstrap in which they have revamped the UI and made various changes. Button group is a component provided by Bootstrap 5 which helps to combine the buttons in a series in a single line. All types of buttons are supported by it.
Syntax:
<div class="btn-group"> Bu... | [
{
"code": null,
"e": 29795,
"s": 29767,
"text": "\n29 Jul, 2020"
},
{
"code": null,
"e": 30068,
"s": 29795,
"text": "Bootstrap 5 is the latest major release by Bootstrap in which they have revamped the UI and made various changes. Button group is a component provided by Bootstrap... |
PyQt5 QDoubleSpinBox – Setting Stylesheet - GeeksforGeeks | 28 Jul, 2020
In this article we will see how we can set stylesheet to the QDoubleSpinBox. Stylesheet is used to set color, background and various styling things of the double spin box. With style sheet we can add border to it and make our own customized double spin box.
In order to do this we will use setStyleSheet met... | [
{
"code": null,
"e": 26403,
"s": 26375,
"text": "\n28 Jul, 2020"
},
{
"code": null,
"e": 26661,
"s": 26403,
"text": "In this article we will see how we can set stylesheet to the QDoubleSpinBox. Stylesheet is used to set color, background and various styling things of the double s... |
Express.js | app.delete() Function | 06 Jun, 2021
The app.delete() function is used to route the HTTP DELETE requests to the path which is specified as parameter with the callback functions being passed as parameter.Syntax:
app.delete(path, callback)
Parameters:
path: It is the path for which the middleware function is being called.callback: It is a m... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n06 Jun, 2021"
},
{
"code": null,
"e": 204,
"s": 28,
"text": "The app.delete() function is used to route the HTTP DELETE requests to the path which is specified as parameter with the callback functions being passed as parameter.Syntax: ... |
Python vs Other Programming Languages | 24 Jul, 2020
Python is a general-purpose, high level programming language developed by Guido van Rossum in 1991. It was structured with an accentuation on code comprehensibility, and its syntax allows programmers to express their concepts in fewer lines of code which makes it the fastest-growing programming language in... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n24 Jul, 2020"
},
{
"code": null,
"e": 351,
"s": 28,
"text": "Python is a general-purpose, high level programming language developed by Guido van Rossum in 1991. It was structured with an accentuation on code comprehensibility, and its s... |
Node.js fs.existsSync() Method | 12 Oct, 2021
The fs.existsSync() method is used to synchronously check if a file already exists in the given path or not. It returns a boolean value which indicates the presence of a file.
Syntax:
fs.existsSync( path )
Parameters: This method accepts a single parameter as mentioned above and described below:
path: It h... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n12 Oct, 2021"
},
{
"code": null,
"e": 204,
"s": 28,
"text": "The fs.existsSync() method is used to synchronously check if a file already exists in the given path or not. It returns a boolean value which indicates the presence of a file.... |
Playing Star Wars in Command Prompt | 28 Feb, 2021
Most of us “Geeks” have watched The epic Star Wars movie countless times. You are here, that proves that you are one too. So in this article let’s do some geeky stuff. And as computer science enthusiasts that we are, let’s keep it inside the domain of computer science. So, what if we can play the entire St... | [
{
"code": null,
"e": 52,
"s": 24,
"text": "\n28 Feb, 2021"
},
{
"code": null,
"e": 411,
"s": 52,
"text": "Most of us “Geeks” have watched The epic Star Wars movie countless times. You are here, that proves that you are one too. So in this article let’s do some geeky stuff. And as... |
How to calculate Maximum Segment Size in TCP? | 05 Oct, 2021
Maximum Segment Size refers to size of the largest segment that local host accepts within a single packet. It denotes largest amount of data that host can accept in single TCP segment.
For establishing the TCP connection, both sender and receiver indicates Maximum Segment Size they can accept. While transm... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n05 Oct, 2021"
},
{
"code": null,
"e": 213,
"s": 28,
"text": "Maximum Segment Size refers to size of the largest segment that local host accepts within a single packet. It denotes largest amount of data that host can accept in single TCP... |
Python regex | Check whether the input is Floating point number or not | 29 Dec, 2020
Prerequisite: Regular expression in Python
Given an input, write a Python program to check whether the given Input is Floating point number or not.
Examples:
Input: 1.20
Output: Floating point number
Input: -2.356
Output: Floating point number
Input: 0.2
Output: Floating point number
Input: -3
Output: ... | [
{
"code": null,
"e": 28,
"s": 0,
"text": "\n29 Dec, 2020"
},
{
"code": null,
"e": 71,
"s": 28,
"text": "Prerequisite: Regular expression in Python"
},
{
"code": null,
"e": 176,
"s": 71,
"text": "Given an input, write a Python program to check whether the given... |
How to find max memory, free memory and total memory in Java? | 07 May, 2021
Although Java provides automatic garbage collection, sometimes you will want to know how large the object heap is and how much of it is left. This information can be used to check the efficiency of code and to check approximately how many more objects of a certain type can be instantiated. To obtain these ... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n07 May, 2021"
},
{
"code": null,
"e": 419,
"s": 54,
"text": "Although Java provides automatic garbage collection, sometimes you will want to know how large the object heap is and how much of it is left. This information can be used to ... |
How to validate CVV number using Regular Expression | 11 Nov, 2021
Given string str, the task is to check whether it is a valid CVV (Card Verification Value) number or not by using Regular Expression. The valid CVV (Card Verification Value) number must satisfy the following conditions:
It should have 3 or 4 digits.It should have a digit between 0-9.It should not have any... | [
{
"code": null,
"e": 54,
"s": 26,
"text": "\n11 Nov, 2021"
},
{
"code": null,
"e": 275,
"s": 54,
"text": "Given string str, the task is to check whether it is a valid CVV (Card Verification Value) number or not by using Regular Expression. The valid CVV (Card Verification Value) ... |
PHP | urlencode() Function | 31 Jul, 2021
The urlencode() function is an inbuilt function in PHP which is used to encode the url. This function returns a string which consist all non-alphanumeric characters except -_. and replace by the percent (%) sign followed by two hex digits and spaces encoded as plus (+) signs.
Syntax:
string urlencode( $inp... | [
{
"code": null,
"e": 53,
"s": 25,
"text": "\n31 Jul, 2021"
},
{
"code": null,
"e": 330,
"s": 53,
"text": "The urlencode() function is an inbuilt function in PHP which is used to encode the url. This function returns a string which consist all non-alphanumeric characters except -_... |
How to Convert Decimal to Hexadecimal? | Decimal system is most familiar number system to the general public. It is base 10 which has only 10 symbols − 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. Whereas Hexadecimal system is most familiar number system color representation in Computers or digital systems. It is base 16 which has only 16 symbols: 0, 1, 2, 3, 4, 5, 6, 7,... | [
{
"code": null,
"e": 1517,
"s": 1062,
"text": "Decimal system is most familiar number system to the general public. It is base 10 which has only 10 symbols − 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. Whereas Hexadecimal system is most familiar number system color representation in Computers or digital system... |
Convert an object to associative array in PHP | To convert an object to associative array in PHP, the code is as follows−
Live Demo
<?php
class department {
public function __construct($deptname, $deptzone) {
$this->deptname = $deptname;
$this->deptzone = $deptzone;
}
}
$myObj = new department("Marketing", "South");
echo "B... | [
{
"code": null,
"e": 1136,
"s": 1062,
"text": "To convert an object to associative array in PHP, the code is as follows−"
},
{
"code": null,
"e": 1147,
"s": 1136,
"text": " Live Demo"
},
{
"code": null,
"e": 1542,
"s": 1147,
"text": "<?php\n class department... |
Bootstrapping using Python and R. Estimating a sampling distribution... | by Michael Grogan | Towards Data Science | All too often, the attempt to determine the characteristics of a population is constrained by the fact that we must rely on a sample to determine characteristics of that population.
When analysing data, we would like to be able to estimate a sampling distribution in order to perform hypothesis tests and calculate confi... | [
{
"code": null,
"e": 354,
"s": 172,
"text": "All too often, the attempt to determine the characteristics of a population is constrained by the fact that we must rely on a sample to determine characteristics of that population."
},
{
"code": null,
"e": 509,
"s": 354,
"text": "When... |
How To Compute Satellite Image Statistics And use It In Pandas | by Abdishakur | Towards Data Science | Satellite data is dense and uses cells to store values. In many cases, however, you want only a summary of the satellite (raster) image converted into a tabular format — CSV or Pandas data frame.
Let us say, for example; you have a Digital Elevation Model (DEM). The DEM image gives a clear representation of the elevati... | [
{
"code": null,
"e": 368,
"s": 172,
"text": "Satellite data is dense and uses cells to store values. In many cases, however, you want only a summary of the satellite (raster) image converted into a tabular format — CSV or Pandas data frame."
},
{
"code": null,
"e": 669,
"s": 368,
... |
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