Keep Only First N Characters in a JavaScript String

For JavaScript programming, you might want to grab just a part containing the first N characters from a string. This comes in especially handy while reducing the long text in case of creating a preview or formatting user input. Here’s how one can keep only the first N characters in a JavaScript string. With code …

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Use strict in JavaScript

In JavaScript, `\“use strict\“` is a command that turns on strict mode, an option to use a more limited version of JavaScript. It was added to ECMAScript 5 and is intended to make JavaScript perform better and to check for errors more thoroughly by requiring stricter parsing and error checking. When you implement strict mode, some actions normally permitted in non-strict mode will cause exceptions. This will allow developers to identify frequent mistakes and block potentially problematic features from being used. Some of the most important elements of strict mode are: Features of strict mode: 1. Prevents the use of undeclared variables: In non-strict mode, assigning a value to an undeclared variable creates …

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Download Instagram Profile Picture Using Python

This is a well structured tutorial on “How to download Instagram profile picture using Python” HOW TO DOWNLOAD INSTAGRAM PROFILE PICTURE USING PYTHON Downloading an Instagram profile picture using python is simple and can be achieved using the instaloader library.This tutorial will guide you through the process step by step. Prerequisites Before we start,make sure …

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PDF_MERGER in Python

INTRODUCTION The PDF_MERGER in Python is a simple tool that mixes a couple of PDF documents right into a single file. It uses the PyPDF2 library to address PDF merging, making it useful for organizing reports, documents, or study substances. STEP 1: Import PyPDF2 Library: The software imports PyPDF2 to handle PDF merging. import PyPDF2 STEP …

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