When you use validations in Rails, db column names are used as 'keys' for error messages. This is usually the preferred way to go about it because this maps nicely to the form fields. However, if you use a virtual attribute this may not be the case. For e...

To remove files that are currently being tracked by git, you have to remove them from the "cache". Note, doing this will NOT delete the file on your local machine. It will still be there but not be tracked. git rm -r --cached supersecretpasswords.txt Yo...

Fixtures in Rails allow you to quickly and easily populate a database with sample data. They are great when testing your app and you need to test against a condition that will rely on a certain preexisting data point. Fixtures are located in your RAILS_R...

It's not immediately apparent how to import/export the links in your Wordpress blogroll. One would expect that the import/export tool, used to backup/restore Wordpress posts and pages would handle this functionality as well. But the import/export tool has...

To use the jQuery javascript framework in a Rails application, that also uses the Prototype framework for the same application, you'll need to reassign the $() function for jQuery to another variable. This is very simple to do. Just make sure to include t...