alexch

# quick and dirty monkey patch to see which `require`d files are taking a long time to load
# Usage: 'require "benchmarking_require"' in spec_helper.rb

require "benchmark"
module Kernel
  def require_with_benchmark path
    x = nil
    m = Benchmark.measure do
      x = require_without_benchmark path
    end

alexch

# for use by collection_select and friends, to link a human-readable label with a db-friendly symbolic value
# todo: ActiveRecord macros for setters (for allowing multiple values or just one)
# Usage:
# Table name: snacks
#  id                         :integer
#  ice_cream                  :string
# class Snack < ActiveRecord::Base
#   FLAVORS = Enum.new [
#       [:vanilla, "Vanilla"],
#       [:chocolate, "Chocolate"],

alexch

class Animal < ActiveRecord::Base
end

alexch

#!/bin/bash

# Based on http://jollyjinx.tumblr.com/post/34638496292/fusion-drive-on-older-macs-yes-since-apple-has
# To use this, first create a corestorage drive - see e.g. http://www.cnet.com/how-to/how-to-make-a-custom-corestorage-drive-in-os-x/
# -- it'll look something like this:
#
#    diskutil list        # and figure out which actual drives you want to join
#    diskutil cs create FusionGroup disk0 disk2  # or whichever two drives
#    diskutil cs list     # and note the Logical Volume Group ID 
#    diskutil cs createVolume GROUPID jhfs+ Fused 100%

alexch

# encoding: utf-8

module Kernel
  alias :λ :lambda
end

class Hash
  alias :+ :merge
  alias :<< :merge!
end

alexch

-(id)initWithFile: (NSString*)file
{
    if (self = [super init]) {
        self.file = file;

        NSString* path = [[NSBundle mainBundle] pathForResource:self.file ofType:@"caf"];
        self.fileUrl = [NSURL fileURLWithPath:path];
        NSAssert(self.fileUrl, @"URL is valid.");

        self.players = [NSMutableArray arrayWithCapacity:2];

alexch

demonstration of https://github.com/rails/rails/issues/7690 in a vanilla rails 3.2.8 app

TL;DR: Foo.create(user_id: bob) sets foo's user id to 1, no matter bob's actual id


sesame:rails_bug [ruby-1.9.3-p194] alex$ cat app/models/user.rb 
class User < ActiveRecord::Base
  attr_accessible :name
  has_many :articles
end

alexch

#!/usr/bin/env ruby

def run delay
  chars = File.read("./afgan.demo").split(//)
  chars.each do |ch|
    $stdout.print ch
    $stdout.flush
    sleep delay
  end
end

alexch

describe ApplicationHelper do

 describe "full_title" do
   it "includes the page name" do
     full_title("foo").should include("foo")
   end

   it "includes the base name" do
     full_title("foo").should include("Ruby on Rails Tutorial Sample App")
   end

alexch

# Listing 4.3. The sample application site layout. 
# app/views/layouts/application.html.erb
<title><%= full_title(yield(:title)) %></title>