In Rails 3 files in lib/ are no longer loaded by default. It's a snap to auto load these classes by adding the following line to config/application.rb config.autoload_paths += %W(#{config.root}/lib) This is commented out around line 16. Either rep...

https://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.min.js That is the link to the jQuery source hosted by Google on their CDN. It's probably already cached on client machines so it should be as fast as is possible! You can read more/use other Java...

curl -i -F name=test -F filedata=@localfile.jpg http://example.org/upload Courtesy of http://ariejan.net/2010/06/07/uploading-files-with-curl/

Here is a simple rake task which will instantiate all of your Active Record models, provided that they are located in the RAILS_ROOT/app/models directory. Interestingly, all plugin models are instantiated by default when you run the task, for instance, if...

Using the Acts as Taggable On plugin to add categories to a model class, I wanted to override the to_param method and place the name attribute in the url. The plugin, installed as a gem, source shouldn't need to be hacked in order to accomplish this. The ...

I usually change some of the default settings when I use the Paperclip plugin. For most of my projects I don't like having separate directories for each image that is uploaded. I prefer, in this instance, to put avatars of different sizes together under o...

Sinatra won't reload your files. So if you're developing your app and want to see any changes made in the browser, install the shotgun gem. gem install shotgun You can then use shotgun to run your server shotgun your_sinatra_ditty.rb Presto, your ditt...