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Qlobe

Qlobe is a fascinating example of quine in Ruby, submitted by a member of the Ruby core team - Yusuke Endoh.

Programs that output changed executable versions of themselves while managing to spin the globe and still remaining executable are cool, right?

To experience its magic, run the following

curl -fSSl https://gist.githubusercontent.com/shime/f0ebe84ca42c33b51d42/raw/5e74315dc6b6fe572f8a457536ad7eb17ad3f1e4/qlobe.rb > qlobe.rb; while true; do ruby qlobe.rb | tee temp.rb; sleep 1; mv -f temp.rb qlobe.rb; done

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Looks familiar?

Worry no more! Use extract and prosper!

Usage

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Taken from Zach Holman's "Git and Github Secrets".

Keyboard Shortcuts

t - quickly jump through files (similar to cmd+T in VI or Text Mate)

w - quickly switch branches

s - search

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What?

Most basic example of authenticating with Github in node.

How?

Clone this gist, change keys inside config.js and then hit npm install && node app.js.

Done?

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What is this?

How do you compare date/times in RSpec?

If you do this

expect(Time.now.to_i).to eq Time.new(2014, 4, 2).to_i

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Having trouble installing the latest stable version of tmux?

I know, official package for your OS/distro is outdated and you just want the newest version of tmux.

Well, this script should save you some time with that.

Prerequisities

• gcc

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<keyboard>  
<!-- resize windows with Alt + Direction -->
  <keybind key="A-Right">
    <action name="GrowToEdgeEast"/>
  </keybind>
  <keybind key="A-Left">
    <action name="GrowToEdgeWest"/>
  </keybind>
  <keybind key="A-Down">
    <action name="GrowToEdgeSouth"/>

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Let's build our own code reloader for Rails, shall we?

Require dependency problems

Run this inside rails/railties:

$ grep -rn "eager_load_paths" .

You should get the results from Rails::Engine::Configuration and Rails::Engine. As you know, each Rails application is actually a Rails::Engine and Rails::Engine::Configuration is that thing wrapped inside Rails.application.config block.

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namespace :db do
  desc 'Clears the database and then seeds it'
  task reseed: :environment do 
    Rake::Task["db:truncate"].invoke
    Rake::Task["db:seed"].invoke
  end

  desc 'Clears the database'
  task truncate: :environment do 
    puts "Truncating database"

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var fs = require('fs'),
    path = require('path')

var listFiles = function(dir, next){
  fs.readdir(dir, function(err, nodes){
    if (err) next(err)
    next(null, nodes.filter(function(node){
      return fs.lstatSync(path.resolve(dir) + "/" + node).isFile()
    }))
  })