amatsuda

namespace :rails do
  namespace :freeze do
    desc 'Lock to the current Rails 2-3-stable'
    task :rails23 do
      rm_rf 'vendor/rails'
      `git clone -b 2-3-stable --depth=1 git://github.com/rails/rails.git vendor/rails`
      chdir 'vendor/rails' do
        latest_revision = `git log -1 --pretty=format:%H`

        %w(.git Rakefile cleanlogs.sh pushgems.rb release.rb activemodel).each do |goner|           

amatsuda

/opt/local/lib/ruby/site_ruby/1.8/rubygems/remote_fetcher.rb:180:in `fetch_path': SocketError: getaddrinfo:
 nodename nor servname provided, or not known (http://rubygems.org/gems/hoptoad_notifier-2.2.6.gem) (Gem::RemoteFetcher::FetchError)

amatsuda

`touch some_file`
f = File.open("some_file",'w')
f.write "Stuff"
`rm some_file`

# Why is there no errors ?
puts f.flush.inspect
puts f.close.inspect

# via: @kirillrdy

amatsuda

#!/usr/bin/env ruby

# taken from tolk
PLURALIZATION_KEYS = ['zero', 'one', 'two', 'few', 'many', 'other']
def pluralization_data?(data)
  keys = data.keys.map(&:to_s)
  keys.all? {|k| PLURALIZATION_KEYS.include?(k) }
end

def flat_hash(data, prefix = '', result = {})

amatsuda

Error
Permission denied
/home/wiki/hiki/hiki/command.rb:93:in `dispatch'
/usr/lib/ruby/1.8/timeout.rb:62:in `timeout'
/home/wiki/hiki/hiki/command.rb:89:in `dispatch'
/home/wiki/hiki/hiki.cgi:38
/home/wiki/hiki/hiki/storage.rb:14:in `open_db'
/home/wiki/hiki/hiki.cgi:36
/home/wiki/html/rails/index.rb:5:in `load'
/home/wiki/html/rails/index.rb:5

amatsuda

% cat false.rb
if false
  a = 1
end
puts a
puts b

% ruby -v false.rb
ruby 1.8.7 (2010-08-16 patchlevel 302) [i686-darwin10]
nil

amatsuda

<?xml version="1.0"?>
<root>
  <list>
    <item>
      <name>Handy Underscore</name>
      <list>
        <item>
          <name>Command_R to Command_R</name>
          <appendix>(+ When you type Command_R only, send Underscore)</appendix>
          <identifier>remap.commandR2commandR_underscore</identifier>

amatsuda

% rails -v
Rails 3.1.0.beta1

% ls app/models
user.rb

% rails g scaffold user name:string -s
      invoke  active_record
      create    db/migrate/20110507060923_create_users.rb
        skip    app/models/user.rb

amatsuda

require 'tempfile'

t1 = Tempfile.new 'foo.txt'
t2 = t1.dup
t1 = nil
GC.start
p File.exists?(t2.path)
p t2.read

amatsuda

% rspec spec/models/user_spec.rb
.F.F.

Failures:

  1) User 
     Failure/Error: it { should query :where => {:name => 'bar'} }
       expected [:where] to query {:where=>{:name=>"bar"}}
     # ./spec/models/user_spec.rb:6