graysky

# Run the given block +num+ times and then print out the mean, median, min,
# max, and stddev of the run. For example:
#
# irb> stats(10) { sleep(rand / 100) }
# mean:   5.99ms
# median: 6.76ms
# min:    1.49ms
# max:    9.28ms
# stddev: 2.54ms
def stats(num)

graysky

#
# bash completion support for core Git.
#
# Copyright (C) 2006,2007 Shawn O. Pearce <spearce@spearce.org>
# Conceptually based on gitcompletion (http://gitweb.hawaga.org.uk/).
# Distributed under the GNU General Public License, version 2.0.
#
# The contained completion routines provide support for completing:
#
#    *) local and remote branch names

graysky

HOWTO: iPhone AT&T Tethering

In 10 steps:

• Update iTunes to 8.2 via Software Update
• Update your iPhone to the 3.0 release (out today - June 17th)
• Download this dmg and mount it: tethering file
• Enable hidden carrier testing option (in Terminal.app): defaults write com.apple.iTunes carrier-testing -bool TRUE
• Start up iTunes

graysky

Deploying a Rails App with EC2 + S3 + Ubuntu
============================================

Create EC2 Instance
-------------------

    create new instance ami-bf5eb9d6 [http://alestic.com/](http://alestic.com/)
    create new elastic ip
    attach elastic ip to instance
    point dns to elastic ip

graysky

require 'sinatra'

class DatabaseStreamer
  def initialize(blob)
    @blob = blob
  end
  def each
    while chunk = @blob.read(4096)
      yield chunk
    end

graysky

#!/bin/sh

git remote prune origin

branch_list=$(git branch -r | grep -v HEAD | grep -v master | sed s:origin/::)

until [ -z "$1" ]
do
  branch_list=$(echo "$branch_list" | grep -v $1)
  shift

graysky

Dan Pickett, http://en.oreilly.com/rails2009/profile/46469

graysky

#!/bin/sh

# Sets up auto-tracking of a remote branch with same base name.
# Can set up "git track" so it feels built-in:
# git config --global --add alias.track '!git-track' 
#
branch=$(git branch 2>/dev/null | grep ^\*)
[ x$1 != x ] && tracking=$1 || tracking=${branch/* /}

git config branch.$tracking.remote origin