knzai

namespace :db do
  task :migrate => :clear_load_paths do
    Dependencies.load_paths = @old_load_paths
  end

  task :clear_load_paths do
    @old_load_paths = Dependencies.load_paths
    Dependencies.load_paths = []
  end
end

knzai

def Object.method_defined_where(method)
  self.ancestors.detect { |a| a.methods(false).include?(method.to_s) }
end

#Usage - define in your .irbrc and then:
#File.method_defined_where('read')
#=> IO

#Alternatively it has been added to my copy of utility_belt: http://github.com/timocratic/utility-belt/commit/74397c4f8be135cf46f65ca509ddb90e2e47799e

knzai

Note to Self

Test

Tests build confidence. Write 'em. They'll save your ass, and they'll let you take a chainsaw to your code without being afraid of unintended consequences.

Automate

knzai

def foo(value)
  "#{value}foo"
end
[1,2].map &method(:foo)
#=> ["1foo", "2foo"]

def foo(value)
  "#{value[0]}foo"
end
[[1,2],[3,4]].map &method(:foo)

knzai

test = Rake::Task['test']
test.clear
desc 'Run all units, functionals, integration, libs'
task :test do
  run_sets_of_tests(%w(test:units test:functionals test:integration test:libs))
end

knzai

set w1 "weapon 5; bind mouse3 vstr w2; echo ROCKET LAUNCHER"
set w2 "weapon 7; bind mouse3 vstr w1; echo RAIL GUN"
bind mouse3 vstr w1

seta com_maxfps "125"
seta r_finish "0"
seta cg_fov "120"
seta sensitivity "5"
set "zoom1" " cg_fov 60 ; sensitivity 2 ; bind mouse2 vstr zoom0 "
set "zoom0" " cg_fov 120 ; sensitivity 5 ; bind mouse2 vstr zoom1 "

knzai

#stolen from http://pastie.org/395671 twitter:@seacreature.  Just repo'ed here so I can find it again
require "irb"
IRB.setup(nil)
IRB.conf[:MAIN_CONTEXT] = IRB::Context.new(IRB::Irb.new)
require "irb/ext/multi-irb"
IRB.irb(nil,binding)

knzai

class RspecInTU
  class << self
    alias it define_method
  end
  it "should say hello" do
    puts "hello"
  end
end
RspecInTU.new.send "should say hello"

knzai

#Or just check-out: http://github.com/timocratic/test_benchmark/tree/master
#It's only one file too: http://github.com/timocratic/test_benchmark/blob/832b2217451b49ed218d2db31dfad2b81a2399eb/lib/test_benchmark.rb
#Go ahead and steal anything you want from it - or even better fork it and add what features you like

knzai

git filter-branch -f --subdirectory-filter 'directory' #promote
git filter-branch -f --index-filter 'git rm -r --cached --ignore-unmatch directory' HEAD #delete
#http://git.or.cz/gitwiki/GraftPoint
echo "$commit-id $graft-id" >> .git/info/grafts
git filter-branch $graft-id..HEAD