Your development machine is usually on a very good network connection. To test how your application behaves on a slow...
If you are trying to inspect timings in JavaScript, you can use console.time and console.timeEnd which will write to your...
Development environment setup Rails Composer Basically a comprehensive Rails Template. Prepares your development environment and lets you select web server...
To print a colored full-width bar on the bash, use this bash script expression: echo -e '\033[37;44m...
Using git checkout - you can switch back to the branch you previously worked on. (master) $ git checkout foobar
This is just a quick note, mostly for my own reference, of a few ways to easily delete the dot...
If you want to switch to another ruby versions, you have several options, depending on what you want: Do you...
I had a huge MySQL dump that took forever (as in: days) to import, while I actually just wanted to...
pngquant is a command-line utility and a library for converting 24/32-bit PNG images to paletted (8-bit) PNGs.
In /etc/rc.local add: service bluetooth stop
Icons Sizes for Windows, MacOS X, iOS, Android and Linux. It's a mess!
TLDR: This card explains which threads and processes interact with each other when you run a Selenium test with Capybara...
On recent/fresh installations of Ruby 1.8.7 you may encounter this error why calling any bundled binary (or just bundle exec...
If you have multiple monitors and want to share a given screen with your call partner, drag the caller window...
In Ruby, classes and modules are called constants. This card explains how Ruby resolves the meaning of a constant.
"CronMaker is a utility which helps you to build cron expressions." Check it out at http://www.cronmaker.com/.
Modern IRB has time measurement built in. measure # Enable measure :off # Disable Custom Should your version of IRB not offer...
Assert rmagick provision ... Gemfile gem 'rmagick', '2.13.2' # at this moment the latest stable version config/initializer/carrierwave.rb require 'carrierwave/processing/rmagick' ... and define a...
Use protocol independent URLs whenever possible so that the browser will choose the protocol related to the protocol which the...
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...
swaks is a very nice tool to test SMTP. For the most linux distributions you can easily install it with...
I am using git at several places: at work, at university, and at home. I want an own git user/email...
Font Awesome 4 has renamed all icons. What the fuck. Check the attached link for an icon list for the...
Whenever you create a table from a database migration, remember to add updated_at and created_at timestamps to that...