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How to create load balancing servers using Node.js ?
If your website or application doesn’t receive many requests, you don’t have to use load balancing, but when it becomes very popular and starts to… Read More
Node.js-Methods
NodeJS-Questions
Picked
Node.js
Web Technologies
Ohm’s Law
Ohm’s Law was given by German physicist Georg Simon Ohm. It states the relationship between current, resistance, and voltage across an electrical circuit. This relationship… Read More
Physics-Class-10
Class 10
School Learning
School Physics
Combination Charts in Excel
Sometimes while dealing with hierarchical data we need to combine two or more various chart types into a single chart for better visualization and analysis.… Read More
Picked
Excel
JavaScript Error.prototype.fileName Property
The fileName is a non-standard property that contains the path of the file that raised this error. It is recommended to not use this property… Read More
JavaScript-Errors
JavaScript-Properties
Picked
JavaScript
Web Technologies
Difference Between JOIN, IN and EXISTS Clause in SQL
SEQUEL widely known as SQL, Structured Query Language is the most popular standard language to work on databases. We can perform tons of operations using… Read More
Picked
SQL-Clauses
Difference Between
SQL
How to specify the media type of the script in HTML5 ?
The HTML <script> type attribute specifies the type of script that is being represented. The type attribute identifies the content that appears between the <script>… Read More
HTML-Attributes
HTML-Tags
HTML5
Picked
HTML
Web Technologies
Radio Button in Excel
Radio button, also known as Option Button is used extensively when we have a choice of selecting one option from a set of predefined options.… Read More
Picked
Excel
Generate an array consisting of most frequent greater elements present on the right side of each array element
Given an array A[] of size N, the task is to generate an array B[] based on the following conditions: For every array element A[i], find the most frequent… Read More
frequency-counting
Arrays
C++
Data Structures
DSA
Mathematical
Searching
Minimize sum of absolute differences of same-indexed elements of two given arrays by at most one replacement
Given two arrays A[] and B[] of size N each, the task is to find the minimum possible sum of absolute difference of same indexed… Read More
array-rearrange
Binary Search
Picked
Arrays
DSA
Mathematical
Searching
SQL – SELECT IN
IN operator is a membership operator which returns values that match the values in a list or subquery. Using this operator we can specify multiple… Read More
Picked
SQL-Clauses
SQL
How to Install Zip and Unzip in Linux?
Zip is a command-line compression utility for files and directories. File and folder compression allows for quicker and more reliable file and folder transfer, storage,… Read More
how-to-install
How To
Installation Guide
Linux-Unix
Shell Script to Separate Colon From the Given Input
Linux is popular amongst developers and in the computer science world for its ability to provide the terminal/command-line interface (CLI) functionality. Through CLI a user… Read More
Picked
Shell Script
Linux-Unix
How to Enable Shell Script Debugging Mode in Linux?
Linux is a very popular operating system especially among developers and in the computer science world, as it comes along with its powerful ability to… Read More
Picked
Shell Script
Linux-Unix
MOSINT – OSINT Tool for Emails in Kali Linux
MOSINT is a free and open-source tool available on GitHub. This tool is free means you can download and use this tool free of cost.… Read More
Kali-Linux
Linux-Tools
Linux-Unix
How to create a COVID-19 Tracker Android App
Pre-requisites:  Android App Development Fundamentals for BeginnersGuide to Install and Set up Android StudioAndroid | How to Create/Start a New Project in Android Studio?Android |… Read More
android
Java
Java Programs
Project
Write From Home
Smallest index that splits an array into two subarrays with equal product
Given an array(1-based indexing) arr[] consisting of N non zero integers, the task is to find the leftmost index i such that the product of… Read More
subarray
Algorithms
Arrays
C++
DSA
Mathematical
Searching
Maximize length of subsequence consisting of single distinct character possible by K increments in a string
Given a string S consisting of lowercase characters and an integer K, the task is to find the maximum length of a subsequence consisting of… Read More
sliding-window
subsequence
DSA
Mathematical
Pattern Searching
Strings
SQL Query to Copy, Duplicate or Backup Table
In relational databases, we often deal with different tables and perform various operations using this different database software like MYSQL, Oracle, PostgreSQL, etc. Sometimes, while… Read More
Picked
SQL-Query
SQL
What is Accessibility Service in Android?
Android Framework provides a feature of Accessibility services that are designed in a way that provides an alternative way to communicate to the user on… Read More
Android
Overview of Navigation in Android Architecture Components
Navigation basically in mobile development refers to the interaction between different screens or pieces of contents within the application. Android Jetpack’s architecture Component the Navigation… Read More
Android-Jetpack
Picked
Android
Kotlin
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