This is one possibility to do this. There are other and maybe even better ways to do this. Generate a key for your encrypted harddisk: dd if=/dev/random of=/home/bob/keyfile_sdb1...
Create a branch: svn copy https://dev.makandra.de/svn/filepanic/trunk https://dev.makandra.de/svn/filepanic/branches/$ticketnumber_shortdesc Don't just copy the folder into your working...
You might not know that Rails disables CSRF protection in tests. This means that if you accidentally forget to send...
We frequently use the handy Paperclip Gem to manage file attachments. If you need to move the files from local...
When using the screen tool you may be unable to start a screen session but instead encounter an error:
I had some problems with Git and the file spec/fixtures/ČeskýÁČĎÉĚÍŇÓŘŠŤÚŮÝŽáčďéěíňóřšťúůýž. After pulling the latest commits, it would show that...
...is functional as of Bash 4. This seems to result in a slightly differing behaviour when redirecting output in Ruby scripts. Instead of cmd &> file, prefer cmd > file...
If you want to load an SQL dump from an ActiveRecord migration, you might find this to be harder than...
...step above is that the console output of Cucumber will always be one step behind the Selenium window. This is because the sleep is blocking the completion of the step...
Install Ruby from the Ubuntu repository: sudo apt-get install ruby ruby-dev \ ruby is the meta package. If you...
The handy method has_select?(field, :selected => text) does not behave as expected with Cucumber 0.10.2, Capybara 0.4.1.2 and Selenium 0.2.2. It may not recognize a select field if the...
...value. If you don't have the possibility to upgrade these Gems, probably the best way to go is to distinguish the current Capybara driver: Then /^"([^"]*)" should be selected for...
This is a visualization of the files that will be generated by some useful rails generators. Invoke a generator from...
The new exception_notification has awesome options like :ignore_crawlers => true and :ignore_if => lambda {...
...}. These options should be helpful...
We upgraded a Rails 2 application to Rails 3.2 and Ruby 2.1, changed the mysql adapter from mysql to mysql2...
If you get this error (probably because you want to load some modules): # modprobe xt_comment FATAL: Could not load...
We're using Middleman for some static sites like our blog. Despite being very similar to Rails, Middleman does not...
Note: This applies specifically to MySQL. In PostgreSQL for example, this is not an issue. If you care about performance...
When you have an element you want to hide, you can add a ng-show='isOpen' attribute to that element...
We want to make the following firewall rule to be applyable to different network interfaces (for e.g. different environments...
Defining one callback several times in the same class behaves different in ActiveRecord and ResourceController. While in ActiveRecord the callbacks are enqueued, they overwrite each other in ResourceController. ActiveRecord - a...
class Post < ActiveRecord::Base does 'post/behavior' before_validation :do_something end module Post::BehaviorTrait as_trait do before_validation :do_something_else end end do_something_else and do...
You're using exception_notification and want to send exception mails within a model. Here's how. The ExceptionNotifier class...
If your application raises an error like ... Couldn't connect to the Solr server at http://127.0.0.1:8983/solr. 500 "Lock...
>> ?> errors => {:base=>["foo", "bar"]} If you need to hack anything with these errors, beware that it behaves in a special way. If you iterate over the errors it will...
When you just went through a long debug-fest and infested your code with dozens of debug messages, it can...