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Instrument Anything in Rails 3

With Rails 3.0 released a few weeks ago I've migrated a few apps and I'm constantly finding useful new improvements. One such improvement is the ability to log anything in the same way that Rails internally logs ActiveRecord and ActionView. By default Rails 3 logs look slightly spiffier than those produced by Rails 2.3: (notice the second line has been cleaned up)

Started GET "/" for 127.0.0.1 at Mon Sep 06 01:07:11 -0400 2010
  Processing by HomeController#index as HTML
  User Load (0.2ms)  SELECT `users`.* FROM `users` WHERE (`users`.`id` = 3) LIMIT 1
  CACHE (0.0ms)  SELECT `users`.* FROM `users` WHERE (`users`.`id` = 3) LIMIT 1

Rendered layouts/_nav.html.erb (363.4ms)

sortedGroupBy

jsFiddle Example

Convenience function for performing a groupBy on a list then a sortBy on the resulting groups using Underscore methods.

sortedGroupBy(list, groupByIterator, sortByIterator)

	#
	# Initialize the stuff
	#
	# We build the status bar item menu
	def setupMenu
	menu = NSMenu.new
	menu.initWithTitle 'FooApp'
	mi = NSMenuItem.new
	mi.title = 'Hellow from MacRuby!'
	mi.action = 'sayHello:'

	$KCODE = 'u'
	# Goal: 小写金额转换为大写金额
	# Limit: 金额整数位支持到亿位，小数点后支持两位并且不支持四舍五入

	class ChineseFee
	attr_reader :chn_numbers, :chn_units, :chn_decimals

	def initialize
	@chn_numbers = %w(零壹贰叁肆伍陆柒捌玖)
	@chn_units = %w(元拾佰仟万拾万佰万仟万亿)

	#!/usr/bin/env bash
	#
	# url : https://gist.github.com/672684
	# version : 2.0.2
	# name : appify
	# description : Create the simplest possible mac app from a shell script.
	# usage : cat my-script.sh \| appify MyApp
	# platform : Mac OS X
	# author : Thomas Aylott <[email protected]>

	#!/bin/bash

	if [ "$1" = "-h" -o "$1" = "--help" -o -z "$1" ]; then cat <<EOF
	appify v3.0.1 for Mac OS X - http://mths.be/appify
	Creates the simplest possible Mac app from a shell script.

	Appify takes a shell script as its first argument:

	`basename "$0"` my-script.sh

	RSpec.configure do \|config\|
	config.before(:all, &:silence_output)
	config.after(:all, &:enable_output)
	end

	# Redirects stderr and stdout to /dev/null.
	def silence_output
	@orig_stderr = $stderr
	@orig_stdout = $stdout

	require 'active_record'

	ActiveRecord::Base.logger = Logger.new(STDERR)
	ActiveRecord::Base.colorize_logging = false

	ActiveRecord::Base.establish_connection(
	:adapter => "sqlite3",
	:dbfile => ":memory:"
	)

	namespace :deploy do
	namespace :assets do
	task :precompile, :roles => :web, :except => { :no_release => true } do
	if capture("cd #{latest_release} && #{source.local.log(source.next_revision(current_revision))} vendor/assets/ lib/assets/ app/assets/ \| wc -l").to_i > 0
	run "cd #{latest_release} && #{rake} RAILS_ENV=#{rails_env} #{asset_env} assets:precompile"
	else
	logger.info "No changes on assets. Skipping pre-compilation."
	end
	end
	end