Ubuntu 12.04 LTS x64, Ruby 1.8.7, Rails 2.13, PDFKit 0.5.4, Phusion Passenger Apache 2 I ran into this, when I...
Font Awesome 4 has renamed all icons. What the fuck. Check the attached link for an icon list for the...
Weighttp is threaded and might exhaust resources of an application better than ApacheBench or httperf. You need libev installed.
If you need to enable NewRelic monitoring on certain machines within the same Rails environment, a simple solution is to...
Rails has always included a scaffold script that generates a default controller implementation for you. Unfortunately that generated controller is...
Establishing a new SSH connection usually takes only a few seconds, but if you’re connecting to a server multiple...
So you client has asked you to implement a row of buttons to like the URL on Facebook, Twitter and...
There may be reasons to change the locale of your Postgres cluster. A popular one is your development system's...
The mysql2 gem in version 0.3.13 might break while compiling on older patch releases of Ruby 1.9.3 within rvm:
CSS3 comes with new unit rem. It works like em but it is always relative to the element instead of...
Box shadows are awesome. Unfortunately they are also very costly to render. You will rarely notice the rendering time on...
Capistrano 2 brings the shell command which allows you to run commands on your deployment targets. There is also invoke...
Exception notifications contain a lot of information: Backtraces, HTTP headers, etc. exception_notification tries its best to format this wall...
The new exception_notification has awesome options like :ignore_crawlers => true and :ignore_if => lambda {...
...}. These options should be helpful...
I recently encountered the error above when I was running selenium tests. Thanks to a post on stackoverflow I found...
Using CSS sprites for background images is a technique for optimizing page load time by combining smaller images into a...
Next time you have to do more than trivial CSS changes on a project, you probably want to have live...
Connect to your memcached host. (AWS elasticache is memcached) telnet foohost23.cs2631.0001.euw1.cache.amazonaws.com 11211 Once you're connected, find out which 'slabs...
1. Saving files to a directory that is not shared between deploys or servers If you save your uploads to...
This card shows how to upgrade a Rails 2 application from Rails 2.3.8 through every single patch level up to...
Here is a good explanation for zombie processes. Quote: If you have zombie processes it means those zombies have not...
The Rails secret_token must be unique for each application and any instance of it. If not, someone could exploit...
ActionMailer per default uses http as protocol, which enables SSL-stripping. When a logged-in user follows an http link...
Our development process makes us deploy very often. As the number of releases grows, junk clogs up the hard drive...