After updating Rubygems you see a wall of deprecation warnings like this: NOTE: Gem::SourceIndex#add_spec is deprecated, use...
Retaliation is a Jenkins CI build monitor that automatically coordinates a foam missile counter-attack against the developer who breaks...
Note that if you plan to downgrade Firefox because your Selenium tests broke after a Firefox upgrade, there is a...
Note that if you plan to freeze your Firefox versions because your Selenium tests break whenever Firefox updates, there is...
Did you return false in a before_validation callback?
Sometimes the Rails helper #distance_of_time_in_words is using too much magic. When you need a time difference...
Pdfposter is a Python script that allows to convert large PDFs into a PDF with multiple pages that can be...
When browsing a repository, pressing "t" allows you to quickly search for file names. Very awesome! Go here to try...
I recently browsed through the ActiveSupport code and found some nice stuff I did not know about: ActiveSupport::Callbacks
Consider this HTML: Even though the surrounding container defines a line-height, which vertically centers its inline elements, the check...
When the Ruby parser module of Ruby-GetText comes across a file in one of its search directories (e.g. lib/scripts...
Do you wonder which databases are actually taking up how much space but only have one huge ibdata1 in your...
Grep prints one line per match. To return the number if matches, use the -c switch: grep -c "something" filename...
If you want to use the (badly implemented!) solarized color scheme in your Rubymine IDE: Clone the IntelliJ IDEA port...
This article from the FreeBSD Handbook suggests that editing /etc/rc.conf enables DHCP. Unfortunately, some times this seems not sufficient.
We have a big flat screen TV (Samsung LE46c650l1kxxu) in our conference room. Configuring it properly, we were encountering some...
If you use Amazon AWS cloud services you definitively want to utilize software raid for IO intensive stuff such as...
Solarized is a sixteen color palette (eight monotones, eight accent colors) designed for use with terminal and gui applications. It...
Date::Performance is a gem that replaces various method in Ruby's Date class with fast C implementations. Unfortunately it...
Detecting if a Javascript is running under Selenium WebDriver is super-painful. It's much easier to detect the current...
Whenever you deploy using Capistrano, a new folder is created within the releases directory on the remote server containing the...
Attached is a working config to deploy an application with Capistrano that needs to monitor Resque workers with God.
Vim allows recording a batch of commands as a macro. This is handy if you need to do the same...
Chosen is a JavaScript plugin that makes long, unwieldy select boxes much more user-friendly. It is currently available in...