In order to bring up a textual description of a Capistrano task you can say cap -e taskname ... where taskname...
If you find yourself working in the Adobe Flash IDE you're already doing it wrong, but maybe the hour...
If you run specs or your application and get an error like: ActionController::MissingFile in 'ProductsController#show, should render PDF...
To list the name and version of your Linux distribution, type the following: cat /etc/*-release
When you use the send_file method to send a local file to the browser, you can save resources on...
When you try to remove a non-existing index using remove_index, the migration will incorrectly pass without an error...
Some people, when confronted with a problem, think "I know, I'll use a queue." Now they have an unbounded...
You know Firebug as a Firefox extension but there is also a "Lite" version which runs purely off JavaScript.
The idea is this: you take a job that you'd rather not do manually, and describe it to babushka...
A check if two date or time ranges A and B overlap needs to cover a lot of cases:
Note: Consider not doing this. Use form models or vanilla methods instead. The :conditions option for Rails associations cannot take...
The difference between .bind(), .live(), and .delegate() is not always apparent. Having a clear understanding of all the differences, though...
Sometimes it is useful to define a named scope by implementing a static method with the scope's name on...
Given those modules: module A def foo; end def bar; end end module B end When you want to call...
Given group size If you would like to split a Ruby array into pairs of two, you can use the...
This might be due to AppArmor denying the MySQL server access to most of the filesystem. You can instead use...
There are times when you need to send SQL to the database, like this: def self.some_count(field) field = connection.quote...
Then /^I should get a response with status (\d+)$/ do |status| response.status.should include(status) end Capybara Then /^I should...
This card describes a Cucumber step that lets you say: When I perform basic authentication as "username/password" and I visit...
When defining a trait using the Modularity gem, you must take extra steps to define constants to avoid caveats (like...
In case https://www.rubydoc.info/ is to slow or offline, you can also read a gem documentation offline. Start a server...
I love ETags, but there’s something that annoys me: most implementations revolve around pulling a record out of a...
Are you adding a "Then show me the page" and re-run Cucumber whenever there is a failing scenario? Don...
Find-as-you-type boxes are usually built by observing changes in a text field, and querying the server via...