nessamurmur

conn = ActiveRecord::Base.connection.raw_connection                                           
tempfile = "/tmp/users.csv"
buff = ''

conn.transaction do                                                                         
  conn.exec( "COPY users TO STDIN AS CSV" ) 
  File.open(tempfile, "wb") do |file|                                            
    file << buff while buff = conn.get_copy_data                                            
  end                                                                        
end

nessamurmur

#!/usr/bin/env escript
% -*- mode: erlang -*-

main([BeamFile]) ->
    {ok,{_,[{abstract_code,{_,AC}}]}} = beam_lib:chunks(BeamFile,[abstract_code]),
    io:fwrite("~s~n", [erl_prettypr:format(erl_syntax:form_list(AC))]).

nessamurmur

example-project

nessamurmur

#!/bin/sh -x

CURRENT=`git branch | grep '\*' | awk '{print $2}'`
git checkout master
git pull origin master
git checkout ${CURRENT}
git rebase master
git push -u origin ${CURRENT}
hub pull-request

nessamurmur

class AwesomeTemplate < Template
  # We don't even care about custom behavior in this template. 
  # We just want to be able to identify it as a different type
end

nessamurmur

class Template < ActiveRecord::Base
  belongs_to :template_type

  def some_method
    if template_type == :type_1
      # do type one things
    elsif template_type == :type_2
      # do type two things
    else
      # something else

nessamurmur

// Here, under the hood PhantomJS is opening 
//localhost:3000/uri/goes/here and rendering it to a pdf.
var pdf = new NodePDF('localhost:3000/uri/goes/here', 'filename.pdf', {width:1440, height:900}); //the options might be optional. Play with it a bit.

// This is a callback for what to do on errors
pdf.on('error', function(msg){
    console.log(msg); // you may want to log errors while you're working on it at least.
    // What you might really want to do when done is present an error to the user.
});

nessamurmur

a = [1,2,3,4]
Enum.each a, fn (num) ->
  # several
  # lines
  # of transformations
end

nessamurmur

a = [1, 2, 3, 4]
a.each do |num|
  # several
  # lines
  # of transformations
end

nessamurmur

check process unicorn
  with pidfile /path/to/pid/unicorn.pid
  start program = "/sbin/service unicorn start" with timeout 120 seconds
  stop program = "/sbin/service unicorn stop"
  if totalmem is greater than 500 MB for 2 cycles then restart