You're using exception_notification and want to send exception mails within a model. Here's how. The ExceptionNotifier class...
There is no reason to leave trailing whitespace characters in your project's files, so don't add any.
Today I got a better understanding of how git works, in particular what git checkout and git reset do.
Simply use OpenStruct#to_h to receive an OpenStruct's hash representation. In older Rubies you need OpenStruct#marshal_dump...
simple_format ignores Rails' XSS protection. Even when called with an unsafe string, HTML characters will not be escaped or...
Given you store files on Amazon S3 and you need to stream those files out to people while you don...
Ever wanted autocompletion for paths from paths.rb in Cucumber? This card lets you write your steps like this:
StaticMatic is a nice tool to build simple static websites. In case you want to have some nifty styles on...
Note: Modern Rails has two build pipelines, the asset pipeline (or "Sprockets") and Webpacker. The principles below apply for both...
When you get an error like this: Invalid gemspec in [/opt/www/foo-project.makandra.de/shared/bundle/ruby/1.8/specifications/carrierwave-0.6.2.gemspec]: Illformed requirement ["# 1.1.4"] ... the machine's Rubygems needs to...
Under certain circumstances gettext_i18n_rails will hit a near-infinite loop. This occured in Rails 2.3.5 with Haml 3.0.18...
If a customer calls and tells you that she cannot see some content of her website beware of the following...
If you have an html_safe string, you won't be able to call gsub with a block and match...
If (for some reason that you don't want to ask yourself) you need to know all classes that define...
In a nutshell: return statements inside blocks cause a method's return value to change. This is by design (and...
If you get errors from your development WEBrick that contain unicode salad, you are probably requesting the page via SSL...
With the the Ruby Tempfile class you can create temporary files. Those files only stick around as long as you...
sudo apt-get install gnome-session-fallback or (alias) sudo apt-get install gnome-panel from a terminal.
RubyMine: Set specific Ruby version per project
Assuming the following sunspot setup of the post class: class Post < ActiveRecord::Base searchable do text :title string :state
Note: Instead of using the method in this card, you probably want to use ActiveType's nested attributes which is...
Sometimes you need to look at the filter chain in specs. You can do it like that on Rails 2...
I was experiencing the following problem: It seems your ruby installation is missing psych (for YAML output). To eliminate this...
For string columns, MySQL indexes the left side of a string. That means an index can speed a like query...