flyinva

exiftool -n -g -json \
  -imagewidth \
  -imageheight \
  -composite:gpslatitude \
  -composite:gpslongitude \
  *jpg \
  | jq --compact-output --arg urlBase http://mysite.net/myphotos/ \
  '{
    "type": "FeatureCollection",
    "features": 

hopsoft

# lib/tasks/db.rake
namespace :db do

  desc "Dumps the database to db/APP_NAME.dump"
  task :dump => :environment do
    cmd = nil
    with_config do |app, host, db, user|
      cmd = "pg_dump --host #{host} --username #{user} --verbose --clean --no-owner --no-acl --format=c #{db} > #{Rails.root}/db/#{app}.dump"
    end
    puts cmd

akiatoji

# If you installed Hadoop and Pig with Homebrew on OS X, then get this error:
#
# ERROR org.apache.hadoop.mapreduce.lib.jobcontrol.JobControl - Error whiletrying to run jobs.java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected.
#
# Then this formula is for you.   It downloads pig src, then builds it for >Hadoop 2.3
#
# 

require 'formula'

Bouke

Previous versions used homebrew to install the various versions. As suggested in the comments, it's better to use pyenv instead. If you are looking for the previous version of this document, see the revision history.

$ brew update
$ brew install pyenv
$ pyenv install 3.5.0
$ pyenv install 3.4.3
$ pyenv install 3.3.6
$ pyenv install 3.2.6
$ pyenv install 2.7.10

$ pyenv install 2.6.9

tadast

# 1) Create your private key (any password will do, we remove it below)

$ cd ~/.ssh
$ openssl genrsa -des3 -out server.orig.key 2048


# 2) Remove the password

$ openssl rsa -in server.orig.key -out server.key

demisx

Provider	Singleton	Instantiable	Configurable
Constant	Yes	No	No
Value	Yes	No	No
Service	Yes	No	No
Factory	Yes	Yes	No
Decorator	Yes	No?	No
Provider	Yes	Yes	Yes

Constant

aktau

#!/bin/sh
if [ "$#" -eq 1 ]; then stdinmsg=$(cat); fi
exec <"$0" || exit; read v; read v; read v; exec /usr/bin/osascript - "$@" "$stdinmsg"; exit

-- another way of waiting until an app is running
on waitUntilRunning(appname, delaytime)
    repeat until my appIsRunning(appname)
        tell application "Messages" to close window 1
        delay delaytime
    end repeat

tjmw

Migrating a MySQL DB to a Heroku Postgres Instance

1. Create a MySQL Dump

mysqldump -h<host> --compatible=postgresql -u<user> -p <database_name> > /tmp/my_dump.sql

2. Import MySQL dump locally

cat my_dump.sql | mysql -h<host> -u<user> -p <database_name>

bigfive

module ActiveAdminHelper

  def admin_arbre_context
    @admin_arbre_context ||= Arbre::Context.new(assigns, self)
  end

  def default_renderer
    case controller.send(:resource_class).name
    when "ActiveAdmin::Page"
      "page"

Sjors

#!/usr/bin/env ruby
require 'open-uri'
require 'JSON'
require 'digest/sha2'
require 'pry'
require 'bigdecimal'
require 'bitcoin' # Because I need to cheat every now and then

# Usage:
# gem install pry json ffi ruby-bitcoin