Useful-Stuff

What is the difference between a polyfill and transpiler? I often read the same term used in similar context.

I want to know what the difference is between null and undefined in JavaScript.

In regards to Error handling in PHP -- As far I know there are 3 styles: die()or exit() style: $con = mysql_connect("localhost","root","password"); if (!$con) { die('Could not connect: ' .

ECMAScript 6 introduced the let statement. I've heard that it's described as a local variable, but I'm still not quite sure how it behaves differently than the var keyword. What are the differences...

I am confused about the as const cast. I checked a few documents and videos but did not understand it fully. My concern is what does the as const mean in the code below and what is the benefit of u...

I have a "Logout" link in my top navigation bar. I'm wondering how I can make it so that while I'm logged in, it'll log me out when I click on it and return me to the homepage. To be specific, what

SQLBolt provides a set of interactive lessons and exercises to help you learn SQL

See how a minor change to your Git commit message style can make you a better programmer.

Join Now to learn the basics or advance your existing skills

Scrimba is a fun and fast way of learning to code! Our interactive courses and tutorials will teach you React, Vue, Angular, JavaScript, HTML, CSS, and more.

A visual comparison of screen sizes in device-indipendent pixel.

SassMeister is a playground for Sass. Add some Sass and SassMeister will show you the rendered CSS.

Weekly goodness of JavaScript, HTML, CSS tidbits and the programming journey of a frontend developer!

An introduction to asynchronous JavaScript, part of a series on JavaScript for Beginners.

Run code live in your browser. Write and run code in 50+ languages online with Replit, a powerful IDE, compiler, & interpreter.

RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).

RegexOne provides a set of interactive lessons and exercises to help you learn regular expressions

r/webdev: A community dedicated to all things web development: both front-end and back-end. For more design-related questions, try /r/web_design.

r/ItalyInformatica: Il punto di riferimento per gli informatici italiani

In this in-depth tutorial, you'll learn how to build a socket server and client with Python. By the end of this tutorial, you'll understand how to use the main functions and methods in Python's socket module to write your own networked client-server applications.

As of Python 3.6, f-strings are a great new way to format strings. Not only are they more readable, more concise, and less prone to error than other ways of formatting, but they are also faster! By the end of this article, you will learn how and why to start using f-strings today.

Vanilla JavaScript for writing powerful web applications without jQuery.

Una raccolta di migliori pratiche, standard di codifica accettati e link a tutorial PHP di qualita sparsi per il Web

Music metadata parser for Node.js, supporting virtual any audio and tag format.. Latest version: 8.1.0, last published: 2 months ago. Start using music-metadata in your project by running `npm i music-metadata`. There are 174 other projects in the npm registry using music-metadata.

Beginning with npm can seem a bit daunting - give yourself a kickstart with our absolute beginner's guide to npm, and you'll be off your feet in no time.

The SQL Injection Cheat Sheet is the definitive resource for all the technical details about the different variants of the well-known SQLi vulnerability.