MuPDF is a PDF reader that renders very quickly, yet still correctly. It supports PDF 1.7 and all the fancy...
This is a great tutorials for beginners and intermediate AngularJS developers. It covers a lot of ground, including routing and...
There are 3 built-in file descriptors: stdin, stdout and stderr (std=standard). (You can define your own, see the...
Create, or edit your ~/.irbrc file to include: require 'irb/ext/eval_history' # was 'irb/ext/save-history' for versions prior to Ruby 3.3 IRB.conf[:SAVE...
Spring is a Rails application preloader. When debugging e.g. the rails gem, you'll be wondering why your raise, puts...
MenuetOS is an Operating System in development for the PC written entirely in 32/64 bit assembly language. Menuet64 is released...
Programatically invoke Rails generators Require the generator, instantiate it and invoke it (because generators are Thor::Groups, you need...
docopt helps you define interface for your command-line app, and automatically generate parser for it. docopt is based on...
So you have a restangular collection and you want to remove an element from it, after you've successfully deleted...
With this command you can initiate an application restart without touching restart.txt. Unlike touching restart.txt, this tool initiates the restart...
If you are using Angular and want something like Rails' simple_format which HTML-formats a plain-text input into...
Sometimes you may want to print files from the command line, especially when you have lots of them.
Use the following command to test if a server (in this example: makandra.com on port 443) uses Perfect Forward Secrecy...
Enter the hostname of a server to test it for CVE-2014-0160.
When using TextMate2 with the cucumber bundle, it does not recognize step definitions (e.g. custom_steps.rb) as such but believes they...
Local testing allows you to test your private and internal servers using the BrowserStack cloud, which has support for firewalls...
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...