Concepts

Buying refurbished tech and electronics can impact more than just your savings. We now have scientific proof that refurbished electronics help the planet.

A free and open textbook covering computer networks and networking principles, focused primarily on TCP/IP

Modern email is a patchwork of protocols and extensions. Here is one article to understand them all.

Alors que la vague métavers engloutit le monde, difficile de ne pas boire la tasse… Cette étude entend aider les marques à voir le métavers à moitié plein et à identifier leurs opportunités sur le sujet.

Do we need to measure complexity? With what metrics? What benefits can it brings? This is the questions we'll answer in this article.

Dans ce tutoriel, nous allons aborder les notions de proxy et reverse proxy de manière théorique, car ce sont deux notions très importantes en informatique.

What is a Container? Container vs. VM? Docker vs. Kubernetes. How to organize the learning efficiently?

À l’ère d’Internet, un groupe d’informaticiens, les Cypherpunks, cherche à coder une monnaie électronique anonyme et autonome, libre, directe, sans intermédi...

Les communications Internet longue distance consomment quasiment autant d’énergie que les centres de données proprement dits.

Unicode in JavaScript: basic concepts, escape sequences, normalization, surrogate pairs, combining marks and how to avoid pitfalls

The performance of web sites and applications can be significantly improved by reusing previously fetched resources. Web caches reduce latency and network traffic and thus lessen the time needed to display resource representations. HTTP caching makes Web sites more responsive.

We have no privacy on the web anymore. Our data is stored with many third-parties, some even sell it behind our backs. Solid aims to put all our data in a si...

We all search the web. And as we become more aware about our climate changing, we want to use greener products and services too. But how can you find them? We recently finished a project with the open source privacy protecting search engine Searx, to turn it into a green open source privacy protecting search… Read More »Searching the green web with Searx

You might have heard people say that functional programming is more academic, and real engineering is done in imperative style. I’m going to show you that real engineering is functional, and …

Welcome to "The curious observer’s guide to quantum mechanics"–featuring particle/wave duality.

IDEA is a series of nonverbal algorithm assembly instructions, created by Sándor P. Fekete and Sebastian Morr.

Today, C may be a lingua franca among programmers. This is its (abridged) history.

Webhooks enable effective realtime messaging by sending callback data back to application providers when events occur at the service provider’s end.

Albert Bartlett (1923-2013), professeur de physique à l’Université du Colorado, et qui a donné à partir des années 70 plus de 17209 conférences sur le thème: « arithmétique, population et énergie », ne cessait de répéter:

Lazy loading is a strategy to identify resources as non-blocking (non-critical) and load these only when needed. It's a way to shorten the length of the critical rendering path, which translates into reduced page load times.

Take free Jamstack courses and complete missions about React, Vue, Angular, Next.js and more! See your progress and earn rewards as you go. Get started today!

How the most popular plain text formatting syntax came to life, inspired by emails and the work behind other plain text syntaxes.

This conceptual article provides an introduction to the history, features, benefits, and risks of cloud computing. It is part of the Cloud Computing curriculum, which includes beginner-friendly, hands-on tutorials for setting up and securing servers,

A collection of resources and posts to help people understand compression algorithms.

This article provides a comprehensive overview of content delivery networks (CDNs). In addition, it explains how to choose, configure, and optimize a CDN setup.

CryptoZombies is The Most Popular, Interactive Solidity Tutorial That Will Help You Learn Blockchain Programming on Ethereum by Building Your Own Fun Game with Zombies — Master Blockchain Development with Web3, Infura, Metamask & Ethereum Smart Contractsand Become a Blockchain Developer in Record Time!.

What is a LAN? What is a network segment? Ethernet collision domains vs broadcast domains. How network switches work? How to send IP packets? VLAN vs VXLAN.