Retrieve an array with all (published) post IDs for (queryable) post types having a custom field my_meta_field with a value (string).

When developing you might just need to clear your Apache error log files from time to time. There is a brillant answer to this problem on Serverfault.

This might come in handy when writing BDD tests. The simple bash below extracts lines with RFC Key Words from a document.

curl -s https://raw.githubusercontent.com/adlnet/xAPI-Spec/1.0.3/xAPI.md | grep -nwE --color=auto MUST

I tried all these snazzy IDE’s, but Geany remains the development editor of my choice. It is lightweight, really fast and never in your way. Especially the integrated terminal is a killer feature.