Ruby

Rollback Rails database migration. ...

If you saw the “Failed to build gem native extension” error while building native mysql gem then you need to install libmysql++-dev package. ...

Let’s assume that we want to add friendly_name field to the bookmark_categories table. ...

Execute specific Rails tests. ...

Test regular expressions using a web-based interface. ...

Fortunately, it is the last time I try to achieve such effect as I am switching gallery to the Zen Photo so lets see result at first: ...

To create a Polaroid-like effect you just need the RMagick gem and a couple of small functions. ...