First of all: You could just use RVM which would make the pain go away. If for some reason you...
You can use the whatlanguage gem to detect the language of a Ruby string. Note that it also has not...
Be careful! The following solution will delete files on a volume. If you don't know exactly what you're...
Cached fonts WILL caused an unstyled flash of text.
In a great post about named routes in Rails, path vs. url, Viget Labs ponders which variant is best used...
This post explains, in some detail, how we will implement a nice performance boost for Rails developers. Understanding the details...
WMD is a simple, lightweight HTML editor for blog comments, forum posts, and basic content management. You can add WMD...
Expiration of Rails sessions By default Rails sessions expire when the user closes her browser window. To change this edit...
Embedded Flash movies do not always obey element order and z-index. To fix this, set the wmode attribute to...
When submitting textareas, browsers sometimes include carriage returns (\r) instead of just line feeds (\n) at the end of each...
If you iterate over a collection of arrays, you can destructure the arrays within the block parameters: movies_and_directors...
When a spec only runs when it is called directly, but not as part of the whole test suite, make...
By default, Cucumber uses mocha. This note shows to use RSpec stubs and mocks instead. Rspec 1 / Rails 2
Since RubyMine 3.1 you can drag tabs across panes/windows and out of the main window to create new windows.
sudo apt-get install i8kutils Reboot You can now run the i8k tools such as i8kmon Setting the fan speed...
Call with the server's hostname (and user if you have no SSH agent), e.g. install-gems-remotely my.server.com
The following Haml will do: %head{ :profile => 'http://www.w3.org/2005/10/profile' } %link{ :href => image_path('favicon.ico'), :rel => 'icon', :type => 'image/vnd.microsoft.icon' }
If you want to exclude your staging site from Google using robots.txt without running the risk to forget deleting the...
There are two distinct ways of commenting Haml markup: HTML and Ruby. HTML comments This will create an HTML comment...
This is an awesome gadget in your toolbox, even if your test coverage is great. gem install ruby-debug (Ruby...
This raises "Could not find first Keyword": describe Keyword do it { should validate_uniqueness_of(:text) } end Do this instead...
To return non-HTML responses (like XLS spreadsheets), we usually use the respond_to do |format| format.xls do # send spreadsheet...
There will probably be better solutions as we become more experienced with using Bundler, and more command line tools become...
The ECB has an XML feed with EURO exchange rates to other currencies. It is updated daily.