When connecting to multiple (i.e. > 4) servers to dive into logfiles or do security updates, terminator is what you want...
SudoSlider is a simple yet powerful content slider that makes no (or very few) assumptions about your markup and is...
If you have some file or directory that should trigger a Spring reboot, tell Spring e.g. in config/spring.rb: Spring.watch 'file.rb...
MuPDF is a PDF reader that renders very quickly, yet still correctly. It supports PDF 1.7 and all the fancy...
When your Rails controller action responds with only a simple text, render text: 'Hello' may not be what you want...
The error unexpected 'x' after 'DESCENDANT_SELECTOR' (Nokogiri::CSS::SyntaxError) (where x may be basically any character) occurs when the...
If you get this error when you try to resize an OpenStack instance: # nova resize example 23 --poll
With this command you can initiate an application restart without touching restart.txt. Unlike touching restart.txt, this tool initiates the restart...
Internet Explorer on Windows 8 and 8.1 is available in a "Desktop version" and the metro version which is designed...
Your development machine is usually on a very good network connection. To test how your application behaves on a slow...
You might have a table without a primary key set in MySQL. You can fix this by adding a primary...
When you are working with Backbone models and inheritance, at some point you want to overwrite inherited methods but call...
I had a huge MySQL dump that took forever (as in: days) to import, while I actually just wanted to...
When you do something like this in your code: def var_value @var ||= some_expensive_calculation end
When you want to find out the data type of an attribute, you can just use ActiveRecord's columns_hash...
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...
Weighttp is threaded and might exhaust resources of an application better than ApacheBench or httperf. You need libev installed.
Whenever you create a table from a database migration, remember to add updated_at and created_at timestamps to that...
Ubuntu has a package mysql-sandbox that lets you install multiple MySQL versions into your user home: Install mysql-sandbox...
Rails has always included a scaffold script that generates a default controller implementation for you. Unfortunately that generated controller is...
There may be reasons to change the locale of your Postgres cluster. A popular one is your development system's...
So you're switching to PostgreSQL from MySQL? Here is some help... General hints on PostgreSQL \? opens the command overview...
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For all late night coders: The program "redshift" changes your monitors' white balance according to your position on the planet...