taylor

$ cat Procfile
foreman: foreman start -c web=1 worker=10 -f Procfile2

$ cat Procfile2
web: bundle exec rails s -p $PORT thin 
worker: ruby worker.rb

sjmulder

#!/usr/bin/ruby

# Some bash-fu should be able to do the same but I'm only a white belt

if ARGV.length < 1
  $stderr.puts 'usage: lostfind <keyword> [<keyword> ...]'
else
  reflog = `git reflog`
  reflog.each_line do |line|
    hash, _, message = line.split(' ', 3)

willurd

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

dwbutler

require 'time'
require 'benchmark'

time = Time.now.iso8601(3)
#  => "2014-05-26T23:26:08.628-07:00"

Benchmark.bm do |x|
  x.report('parse') { 100_000.times { Time.parse(time).gmtime } } 
  x.report('iso8601') { 100_000.times { Time.iso8601(time).gmtime } }
end

peterflynn

To use: create a new bookmark and paste into the URL field.

In Chrome, you can paste the full multiline code as shown below.
In other browsers, you may need to minify the code into one line first.

steinwaywhw

• Use curl to get the JSON response for the latest release
• Use grep to find the line containing file URL
• Use cut and tr to extract the URL
• Use wget to download it

curl -s https://api.github.com/repos/jgm/pandoc/releases/latest \
| grep "browser_download_url.*deb" \
| cut -d : -f 2,3 \
| tr -d \" \

joyrexus

collapsible markdown?

CLICK ME

yes, even hidden code blocks!

print("hello world!")

straight-shoota

macro memoize(type_decl, &block)
  @{{type_decl.var}} : {{ type_decl.type }} | UninitializedMemo = UninitializedMemo::INSTANCE
  
  def {{type_decl.var}}
    if (value = @{{type_decl.var}}).is_a?(UninitializedMemo)
      @{{type_decl.var}} = begin
        {{block.body}}
      end
    else
      value

pierrejoubert73

How to add a collapsible section in markdown

1. Example

Click me

Heading

1. Foo
2. Bar
   • Baz

• Qux

redrick

#Model 

expect(@user).to have(1).error_on(:username) # Checks whether there is an error in username 
expect(@user.errors[:username]).to include("can't be blank")  # check for the error message 

#Rendering
expect(response).to render_template(:index)

#Redirecting 
expect(response).to redirect_to(movies_path)