Most programming languages treat NULL as a known value, separate from True and False. SQL does not play by the same rules

Do you want to be able to include header images for your blog without too much (OK, may be one time) effort ? Read on.

Quick Summary of RBAC concept, working code snippets and how I reached there

My unit tests ran successfully on their own, but unit test step would fail during the pre-commit. Confusing ? Yes. Till I found out why

Do you need access to Chrome only occasionally ? Would you prefer not installing it locally ? If yes, then read on.

How I resolved not-so-obvious error (UndefinedFunctionError) function HTTPoison.request/5 is undefined (module HTTPoison is not available

params are required to append query params to the URL. But how to do that is unclear in the documentation