regex101 : Free PCRE-based regular expression debugger with real time explanation, error detection and highlighting.
CWE/SANS Top 25 Most Dangerous Programming Errors : The CWE/SANS Top 25 Most Dangerous Software Errors is a list of the most widespread and critical errors that can lead to serious vulnerabilities in so...
Tech Interview Handbook : Algorithms study materials, behavioral content and tips for rocking your coding interview. Carefully curated content to help you ace your next technic...
Eloquent JavaScript : Eloquent JavaScript is a book providing an introduction to the JavaScript programming language and programming in general.