jstorimer

This is a proof-of-concept of a couple of concurrent data structures written in Ruby.

The implementations are heavily commented for those interested. There are benchmarks (with results) included below. The results are interesting, but, as always, take with a grain of salt.

Data structures

AtomicLinkedQueue is a lock-free queue, built on atomic CAS operations.

jimweirich

  1) Natural Assertions 
     Failure/Error: Then { foo + bar == 2 }
       Then expression failed at /Users/jim/working/git/rspec-given/examples/failing/sample_spec.rb:6
       expected: 3
       to equal: 2
         false   <- foo + bar == 2
         3       <- foo + bar
         1       <- foo
         2       <- bar
     # ./lib/rspec/given/extensions.rb:64:in `_rg_evaluate'

jnicklas

Capybara.add_selector :record do
  xpath { |record| XPath.css("#" + ActionController::RecordIdentifier.dom_id(record)) }
  match { |record| record.is_a?(ActiveRecord::Base) }
end

chendo

Fast require patch for 1.9.3-p327

Try out the fast require patch from http://bugs.ruby-lang.org/issues/7158 on Ruby 1.9.3-p327

Requirements

• rbenv
• ruby-build

Use it!

jbarnette

A daily glance at what's happening in a high velocity codebase, thanks to @defunkt:

https://github.com/your/repo/compare/master@{yesterday}...master

Bookmark, share, and enjoy.

garybernhardt

static int
find_reusable_reload (rtx *p_in, rtx out, enum reg_class rclass,
		      enum reload_type type, int opnum, int dont_share)
{
  rtx in = *p_in;
  int i;
  /* We can't merge two reloads if the output of either one is
     earlyclobbered.  */

  if (earlyclobber_operand_p (out))

MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

tomykaira

Brief Introduction to Rack

@tomy_kaira

Rack

Specification

for communication between Server and Ruby WAF

joshsusser

if Rails.env.development?

  Rails.application.assets.logger = Logger.new('/dev/null')

  Rails::Rack::Logger.class_eval do
    def call_with_quiet_assets(env)
      previous_level = Rails.logger.level
      Rails.logger.level = Logger::ERROR if env['PATH_INFO'] =~ %r{^/assets/}
      call_without_quiet_assets(env)
    ensure

steveclarke

Capybara

save_and_open_page

Matchers

have_button(locator)