alexyoung

require 'benchmark'

module Kernel
  alias old_require require

  def require(path)
    #unless caller.find { |caller_line| caller_line.match /dependencies\.rb/ }
    #  return old_require(path)
    #end

indirect

# Rails 2 and Rails 3 console
function rc {
  if [ -e "./script/console" ]; then
    ./script/console $@
  else
    rails console $@
  fi
}

j-manu

Delete large number of files:
 ls|xargs -L 1000 rm

--

Maintenace page for Rails

RewriteEngine on

RewriteCond %{DOCUMENT_ROOT}/../tmp/stop.txt -f

vijaydev

Use ssh-copy-id to install your public key in a remote machine's authorized_keys. Also takes care of the permissions of the remote user's .ssh and .ssh/authorized_keys.

ssh -t reachable_host ssh unreachable_host. Enables to connect to a host unreachable from current network but reachable from reachable_host's network.

To navigate to a directory, run a command and get back: (cd /to/dir && cmd_to_run)

To rip audio out of a video file: mplayer -ao pcm -vo null -vc dummy -dumpaudio -dumpfile <out_file> <in_file>

Rsync: rsync --recursive -avz -e "ssh -p 2020" user@machine:/path dest

radar

yours: current_user.projects.inject(0){|sum,p| sum+= (p.users.count-1); sum}
mine:  current_user.projects.to_a.sum { |p| p.users.count -1 }

rohitarondekar

your_rails_app/script/runner
======

#!/usr/bin/env ruby

path_to_rails = File.dirname(File.expand_path(__FILE__))
exec("#{path_to_rails}/rails runner #{ARGV[0]}")

======

vijaydev

rvm use ree-1.8.7-2010.02@global
rvm gemset create rails2310
gem install rails -v=2.3.10

tenderlove

require 'net/http'
require 'json'

###
# Stupid simple class for uploading to imgur.
#
#   client = Imgur2.new 'my imgur key'
#   p File.open(ARGV[0], 'rb') { |f|
#     client.upload f
#   }

vijaydev

.s@\(\d\+\)@\=(submatch(1) + 17)@

Search for numbers and replace them with results of expressions involving them. submatch(1) is \1 (groups in regexes)

sanand0

'''
Usage: viz.py INPUT.csv [template.html] > OUTPUT.xhtml
'''

import re
import math
import logging
import datetime
import operator
from tornado import template