nateware

desc "show changelog"
task :changelog do
  latest = `git tag |tail -1`.chomp
  system "git log --pretty=format:'* %s %b [%an]' #{latest}..HEAD"
end

nateware

git merge #{from_branch} -s recursive -X theirs --commit -m 'merge #{from_branch} to #{rails_env}'

nateware

Docker Cheat Sheet

NOTE: 534 stars, 106 forks. I love you all. Please contribute tips and edits back to this cheat sheet -- email's [email protected] and you can treat gists like git repositories and send git diffs.

• Why
• I just want a dev environment
• Prerequisites
• Installation
• Containers
• Images

nateware

# IE is still braindead so still use favicon.ico

convert -resize x16 -gravity center -crop 16x16+0+0 -flatten -colors 256 input.png output-16x16.ico
convert -resize x32 -gravity center -crop 32x32+0+0 -flatten -colors 256 input.png output-32x32.ico
convert output-16x16.ico output-32x32.ico favicon.ico

# Then, HTML needs to specify size="XxY" as largest size due to browser bugs

<link rel="shortcut icon" href="/favicon.ico" sizes="32x32">

nateware

$ orchard hosts create
Orchard username: nateware
Password: 
Default host running at 107.170.120.216

$ orchard docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES

$ orchard docker run ubuntu echo hello world

nateware

# Create vagrant image
vagrant init ubuntu12_64 http://files.vagrantup.com/precise64.box
vagrant up
vagrant ssh

# Fork aws/opsworks-cookbooks on github
# https://github.com/aws/opsworks-cookbooks
# Clone locally
git clone [email protected]:yourusername/opsworks-cookbooks.git
cd opsworks-cookbooks

nateware

hadoop fs -rmr temp

MAHOUT_HOME/bin/mahout org.apache.mahout.cf.taste.hadoop.similarity.item.ItemSimilarityJob --input ~/Workspace/beerstats/beer-ratings-by-userid.csv --output ratings-pearson --similarityClassname SIMILARITY_PEARSON_CORRELATION 

hadoop jar mahout-examples-0.8-job.jar org.apache.mahout.cf.taste.hadoop.item.RecommenderJob --input ~/Workspace/beerstats/beer-ratings-by-userid.csv --output beer-ratings --similarityClassname SIMILARITY_LOGLIKELIHOOD --maxSimilaritiesPerItem 50

nateware

import boto
from boto.dynamodb.exceptions import *
from boto.dynamodb.batch import *
import pprint

class Leaderboard:
  def __init__(self, game_mode):
    self.conn  = boto.connect_dynamodb()
    self.table = self.conn.get_table("leaderboard_" + game_mode)

nateware

#!/usr/bin/env python

# Compare a file on S3 to see if we have the latest version
# If not, upload it and invalidate CloudFront

import fnmatch
import os
import boto
import pprint
import re

nateware

# Ruby/Sinatra ELB health check example - GET /healthchk
get '/health' do
  # any DB connection errors below will throw exceptions
  Timeout.timeout(5) do
    nkeys = Redis.current.dbsize
    status = DB.fetch("show engine innodb status").first[:Status]
  end
end