One of the most common production errors are ActionController::MethodNotAllowed errors. They usually happen when someone reloads a form by...
The unix command line tool less is a good choice for browsing logfiles. In the standard configuration, though, it does...
When internationalizing your Rails app, you'll be replacing strings like 'Please enter your name' with t('.name_prompt'). You...
Submit buttons in Rails come with a useful option :disable_with which will disable the button when clicked and change...
For university I have to stay up-to-date with lecture documents. Since my university doesn't offer RSS feeds...
When Rack::Bug has been added to your project and your Apache2/Passenger only replies with an Error 500 (Internal Server...
When you use google analytics to track your visitors interactions, you should ensure that it runs on your production site...
Framework to write command-line apps in Ruby. Comes with a nice way of processing parameter options, some utility classes...
When you have a complex recipe setup with multistage deployment you may run into this error: `role_list_from': unknown...
If you turn on stylesheet caching, it might happen that stylesheets from different locations with different relative pathes will be...
Git has a built-in repository viewer for your web browser. a bit similar (but less awesome) than github.
The SQL code generated by Graticule's spherical distance computation is insufficient and can lead to NULL distances in edge...
Seems like a useful gem for cases where ActiveRecord is overkill but you don't want to do everything by...
I introduced DataMapper on my last two major projects. As those projects matured after I had left, they both migrated...
Using rename_column, remove_column, etc. more than once in a migration makes that migration run slower than it should...
Gem to generate entity relationship diagrams from your Rails 3 ActiveRecord models. The diagram style is pretty and configurable.
I have a pair of headphones connected to my desktop's back panel and a headset connected to the front...
For performance improvements (and to remove the need for eager loading), the ActsAsTaggableOn gem supports caching your tag lists directly...
I still see people promoting various gems and plugins to handle miscellaneous configuration elements for your application. One little known...
To use different Ruby versions on your computer you can use the Ruby Version Manager. It also allows you to...
When you have objects in your database that hold latitude and longitude and you want to find others that are...
If you want to use Require group $GROUPNAME on your default Apache installation like this: Order allow,deny Allow from...
You have to specify the environment with -e env_name or RAILS_ENV=env_name if you want to run...
If you would like to use language specific layout (e.g. background-images) in your applications stylesheets you can achieve this...