Be careful if you are using acts-as-taggable-on gem

How should you handle the association ids with strong parameters?

Look out this default behavior of rails, before you do any really bad mistake and you have two same records.

A simple way for creating automatically sprites with compass. Guide for a rails 4+ app with assets pipeline

I took in my hands today my new book, crafting rails 4 applications

A simple and useful use of activesupport subscribe and notifications, for gathering and monitoring slow queries, slow views and many queries.

Is this really a battle for the best web development tool or something else?

Remember to always clear cache when something is very strangely wrong

Some basic reminders about assets compilation.

Different comments in haml, I forget them all the time.