Back-end

Types and testable code are two of the most effective ways of avoiding bugs. In this tutorial, discover TypeScript best practices while you create a Discord bot from scratch.

Static websites are simple and fast, but it's also possible to automate updates to them to keep them fresh and relevant. Find out how to generate daily-updated HTML pages that track the latest releases of popular GitHub repositories.

Providing production support to an application is one of the most challenging aspects of software development. In this article, Toptal Freelance Java Developer Flavio Pezzini shows us techniques that can prevent bugs and make finding issues in production much faster.

Bulletproof data validation is fundamental to implementing a back-end API. Find out how datalize, a Node.js library, makes this easy—and formats your data nicely, too.

Without proper state management, your Angular app will become a UX nightmare. But even with that solved, persisting state across sessions and devices can be tricky. This tutorial shows how to leapfrog that challenge using Firebase.

JavaScript is an oddball of a language with numerous approaches to almost any problem. When ES6 added the "class" keyword, did it save the day or just muddy the waters? In this article, Toptal Freelance JavaScript Developer Justen Robertson explores OOP in modern JS.

Angular 6 is out! The most outstanding changes are in its CLI and how services get injected. In this tutorial, Toptal Freelance Angular Developer Joaquin Cid goes over the basic steps of initial setup and then creates a small diary app using Material Design for the front end and Firebase for the back end.

Online users are becoming increasingly resistant to traditional email/password registration processes. One-click social logins via Facebook, Google, or GitHub are better, but they come with data privacy trade-offs. This article introduces a one-click, cryptographically-secure login flow using MetaMask, with all data stored on the app's own back-end.

Understanding the Input/Output (I/O) model of your application can mean the difference between an application that deals with the load it is subjected to, and one that crumples in the face of real-world uses cases. Perhaps while your application is small and does not serve high loads, it may matter far less. But as your application’s traffic load increases, working with the wrong I/O model can get you into a world of hurt.