before transition before validation after validation before save after save after transition Aborting the callback chain See Cancel the ActiveRecord...
You are getting when connecting via SSH or deploying with Capistrano (which uses SSH): Too many authentication failures for username...
When you include a non-existing Javascript file, you probably won't notice it during development. But with caching active...
Gem to provide nice looking urls ("/blog/the-greatest-bug-i-never-fixed"). If you don't need anything too special (like i18n for the urls...
YSlow analyzes web pages and tells you why they're slow based on the rules for high performance web sites...
Web performance expert Nicole Sullivan discusses a set of best practices in the creation of supremely fast, visually impactful web...
A while back, I had a requirement to persist a record of which email addresses were sent an email through...
Squirrel is an enhancement for ActiveRecord’s find method that allows programmers to query the database using a more Rubyish...
Reads Active Record's validations and makes them available to live client side javascript
Rails’ script/console makes it easy to fetch, view and edit your database records. But can you edit those records as...
Unfortunately, by default plugin tests are pretty bland. They use the plain unit test suite supplied by Ruby, and not...
I’m working on a problem for a client which involves connecting to a Microsoft SQL Server 2005 database from...
SWFRIP is a Macromedia Flash resource extractor and editor. It can save resources in various formats, including SVG conversion from...
Finish the remainder of the ActiveModel todo list (observers, callbacks, validations, scoping, and serialization) in addition to associations. Also wire...
Record Filter gives you the full power of ActiveRecord's query building tools with a heaping helping of DSL thrown...
Page Speed is an open-source Firefox/Firebug Add-on. Webmasters and web developers can use Page Speed to evaluate the...
Capistrano recipes for database backups before migrations, passenger deployment strategy, release tagging in Git repos.
Read_from_slave for Rails enables database reads from a slave database, while writes continue to go to the master
HotKey provides functionality similar to the accesskey attribute, but has many enhancements that allow for more granular control when creating...
Write declarative tests using nested contexts without performance penalties. Contest is less than 100 lines of code and gets the...
The idea behind scrooge is both surprisingly simple and powerful: instead of forcing the developer to manually specify each attribute...
Unit tests are to refactoring like a drop cloth is to painting. Both feel like more work at first but...
After some deliberation, we decided to implement a "schema-less" storage system on top of MySQL rather than use a...
Store schema-less data in MySQL.