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Swap two strings without using third variable.

Given two strings S1, S2 swap it without using temp variable.substring(start, end)&nb...

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Reverse a string without affecting special characters.

Given a string S, that contains special characters with alphabets, reverse the string i...

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How to Integrate Jitsi meet in Angular 2021 (External API, IFrame API)

Jitsi is a free and open-source multiplatform voice (VoIP), video conferencing for the ...

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Laravel routes not working on live server - returning 404 - 2021

If your project routes not working or returning 404 on the live server then you can fix...

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How to copy file & folder from one remote server to another remote server

SCP (secure copy) is a command-line utility that allows you to securely copy files and ...

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How to Install Yarn Package on Ubuntu 2021

Yarn is a package manager that doubles down as project manager. Whether you work on one...

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How to Install Sublime 3 on Ubuntu 2020

Sublime Text is a sophisticated text editor for code, markup, and prose. You'll love th...

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How to Install Node Version Manager Ubuntu 2020

Npm registry has a very powerful version manager for node js known as n.#n – In...

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How to Install Node.js and npm on Ubuntu 2020

Node.js is an open-source cross-platform JavaScript run-time environment that allows se...

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How To Implement Database Transactions in Laravel 2020

Transaction is a way to execute or commit a group of operations as a unit. In other wor...

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