regex101 : Free PCRE-based regular expression debugger with real time explanation, error detection and highlighting.
iOS Dev Directory : The iOS Dev Directory is a comprehensive list of blogs & sites covering iOS development. Whether it covers coding, design, marketing or anything in be...
Guide to CSS support in email clients : Designing an HTML email that renders consistently across the major email clients can be very time consuming. We've put together this guide to save you...
idiomatic.js : Principles of Writing Consistent, Idiomatic JavaScript
