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In this quick JavaScript regex matching guide, you'll learn how to test if a string matches a regular expression using the test() method.

Learn how HTTP web requests are structured, and how to make a Python request — with the help of the Python requests library.

Learn how to use Math.random to generate random numbers in JavaScript and create random colors, letters, strings, phrases, passwords, & more.

Learn how to transform the character case of a string — to uppercase, lowercase, and title case — using native JavaScript methods.

Learn about methods for rounding numbers in JavaScript: rounding up, rounding down, rounding to decimal places, and gotchas to avoid.

Learn how to split a string into substrings in JavaScript with both the substring() and split() methods, and how to choose which one to use.

Learn how to convert numbers to ordinals in JavaScript. Getting the ordinal of a number allows you to display it in a human-readable format.

Wondering if you should learn Python? We look at 8 key reasons why Python is a great language to learn, and how you can easily get started.

Learn three simple ways to convert a string into a number in JavaScript, with simple-to-follow examples and tips on which method to use.

Learn four simple ways to convert a number into a string in JavaScript, with simple-to-follow examples and tips on which method to use.

Learn how to install, set up, manage, and use a full Linux environment on Windows 10 & 11 PCs with Windows Subsystem for Linux 2 (WSL2).

Learn how Cypress testing works, how to set up a test, and how to migrate from Selenium to Cypress for testing your web application.

The REST API is a key part of web infrastructure. Learn about REST and REST APIs, and how web apps communicate over HTTP like web browsers and servers do.

The new CSS :is(), :where() and :has() pseudo-class selectors are exciting additions to CSS. Learn how easy they are to use!

In this TypeScript vs JavaScript comparison, you'll learn about TypeScript's advantages and disadvantages, and when and when not to use it.

Learn what Python multiprocessing is, its advantages, and how to improve the running time of Python programs by using parallel programming.

Learn what Python decorators are, what their syntax looks like, how to identify them in a script or framework, and how to apply them.

Learn eight key steps for streamlining your technical SEO workflow to ensure that users and indexing bots get optimal access to your website.

Learn what software testing is, and how to run Python unit tests with unittest and pytest, two key frameworks for Python unit testing.

Learn how to build a free website with Wix, a site builder that's packed with features and designed for site owners of any experience level.

Passwordless Authentication methods boast better security and user experience but is it right for your application, and how do you get started?

Learn about Medusa, an open-source, developer-focused Shopify alternative that can be customized and scaled to suit your needs.

Follow this tutorial to build your own Wordle alternative for numbers in JavaScript: Numble.

Learn about the Google Sheets v4 API and how to use it to build charts and dashboards for your web application

Lottie.JS is a fantastic animation platform, but what animation tool should you choose? Alex has the ideal Lottie primer.

Editor X is an online website builder. It's easy and convenient, but can it offer the power and flexibility that tech-savvy users need?

Nanny State helps you manage state simply and efficiently in JavaScript without Redux, Vuex or other large libraries

Learn how to use z-index in CSS and the best strategies for stacking elements

Learn about the browser's global object — the window object — which represents the browser window that contains a web page.

Looking for UI design inspiration? Rather than adding a new color or changing a font, have you thought about your textures?