Hendy Tanata htanata

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Ruby, RVM and Mountain Lion

Key problems

Mountain Lion (10.8) has three main difference compared to Lion (10.7):

XCode 4.4 does not install Command Line Tools by default
X11 isn't available anymore
The installed version of OpenSSL has some bugs

How to work around

Setting Up Clojure on OS X

I spent a lot of time trying to find a pretty optimal (for me) setup for Clojure… at the same time I was trying to dive in and learn it. This is never optimal; you shouldn't be fighting the environment while trying to learn something.

I feel like I went through a lot of pain searching Google, StackOverflow, blogs, and other sites for random tidbits of information and instructions.

This is a comprehensive "what I learned and what I ended up doing" that will hopefully be of use to others and act as a journal for myself if I ever have to do it again. I want to be very step-by-step and explain what's happening (and why) at each step.

	with table_stats as (
	select psut.relname,
	psut.n_live_tup,
	1.0 * psut.idx_scan / greatest(1, psut.seq_scan + psut.idx_scan) as index_use_ratio
	from pg_stat_user_tables psut
	order by psut.n_live_tup desc
	),
	table_io as (
	select psiut.relname,
	sum(psiut.heap_blks_read) as table_page_read,

	#!/bin/bash
	# git-cleanup-repo
	#
	# Author: Rob Miller <rob@bigfish.co.uk>
	# Adapted from the original by Yorick Sijsling

	git checkout master &> /dev/null

	# Make sure we're working with the most up-to-date version of master.
	git fetch

	source "https://rubygems.org"

	gem 'sprockets'
	gem 'sprockets-sass'
	gem 'sass'
	gem 'compass'
	gem 'bootstrap-sass'
	gem 'handlebars_assets'
	gem 'coffee-script'

	# This works with steak 0.3.x and rspec 1.x
	# For steak --pre and rspec 2 see this fork: http://gist.github.com/448487

	# Put this code in acceptance_helper.rb or better in a new file spec/acceptance/support/javascript.rb

	Spec::Runner.configure do \|config\|

	config.before(:each) do
	Capybara.current_driver = :selenium if options[:js]
	end

	module PaperclipMigrations

	def self.included(base)
	base.extend ClassMethods
	end

	module ClassMethods
	def add_paperclip_fields(table, prefix)
	add_column table, "#{prefix}_file_name", :string
	add_column table, "#{prefix}_content_type", :string

Hendy Tanata htanata

Ruby, RVM and Mountain Lion

Key problems

How to work around

Setting Up Clojure on OS X

Step 1: Getting Clojure (1.3)