Introduction to WAI ARIA : This article is for those who are new to ARIA. You need an understanding of HTML and the potential difficulties that people with disabilities can face...
The Big List of Naughty Strings : The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data.
regex101 : Free PCRE-based regular expression debugger with real time explanation, error detection and highlighting.
Use The Index, Luke! : A tutorial covering SQL indexing and SQL tuning for developers: avoiding unnecessary details about database internals.
SQL indexing is the most effect...
HTTP Archive : The HTTP Archive tracks how the Web is built.
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).