API design guidelines from Paypal

So you want to make a Twitter bot! That’s great! Here are some basic rules for making a bot that isn’t an asshole (and also reduce the chance of the bot getting banned by Twitter).

amp-what is a quick, interactive reference of 14,500 HTML character entities* and common Unicode characters, 8859-1 characters, quotation marks, punctuation marks, accented characters, symbols, mathematical symbols, and Greek letters, icons, and markup-significant & internationalization characters.

HTML5 compatibility on mobile and tablet browsers with testing on real devices

Every javascript project you should be looking into.
With examples, categories, install commands, CDN links, project and author stats, and more.

A human-friendly tutorial for elasticsearch.

JSDB is a collection of the best javascript libraries

Web Platform Docs is a community-driven site that aims to become a comprehensive and authoritative source for web developer documentation.

A Dark Pattern is a type of user interface that has been carefully crafted to trick users into doing things, such as buying insurance with their purchase or signing up for recurring bills.

A tutorial covering SQL indexing and SQL tuning for developers: avoiding unnecessary details about database internals.

SQL indexing is the most effective SQL tuning method and requires the same care as schema design yet it is often neglected during development. Use The Index, Luke explains SQL indexing from the source code perspective—covering ORM tools like Hibernate and Doctrine.

WAMP is an open WebSocket subprotocol that provides two asynchronous messaging patterns: RPC and PubSub.

Cross-Origin Resource Sharing (CORS) is a specification that enables truly open access across domain-boundaries. If you serve public content, please consider using CORS to open it up for universal JavaScript/browser access.

Once people achieve some level of Git enlightenment, they tend to make statements of the form 'Git gets a lot easier once you realize X' -- but that doesn't do much for people staring up Git's steep learning curve.

My goal with this site is to help you, Dear Reader, understand what those smug bastards are talking about.

This article is focused on providing application security testing professionals with a guide to assist in Cross Site Scripting testing.

The Open Web Application Security Project (OWASP) is a worldwide not-for-profit charitable organization focused on improving the security of software.

Principles of Writing Consistent, Idiomatic JavaScript

Principles of writing consistent, idiomatic CSS

This opinionated guide exists to provide both novice and expert Python developers a best-practice handbook to the installation, configuration, and usage of Python on a daily basis.

This document tries to describe the building of a Debian package to ordinary Debian users and prospective developers.

This is a guide to using debconf with your packages, aimed at a Debian developer.