TOPLAP : TOPLAP is an organisation founded in 2004, to explore and promote live coding. Live coders expose and rewire the innards of software while it generate...
ServiceWorker Cookbook : The Service Worker Cookbook is a collection of working, practical examples of using service workers in modern web apps.
regex101 : Free PCRE-based regular expression debugger with real time explanation, error detection and highlighting.
Run your own identity server : Running your own identity server allows you to act as an OpenID Provider. You could run one just for yourself, for a community of users or, if you wis...
OWASP : The Open Web Application Security Project (OWASP) is a worldwide not-for-profit charitable organization focused on improving the security of software.
Sometimes bugs have symptoms beyond belief. This is a collection of such stories from around the web.