docwhat

Install Rails 3.1

gem install rails

generate new app, skipping Test::Unit file generation

rails new my_app -T

Set up Gemfile

vlado

# ** ERROR 1 **
# FATAL:  lock file "postmaster.pid" already exists
# HINT:  Is another postmaster (PID 4646) running in data directory "/usr/local/var/postgres"?
#
# ** ERROR 2 **
# Is the server running locally and accepting connections on Unix domain socket "/tmp/.s.PGSQL.5432"?
#
# To fix one of this errors:

cat /usr/local/var/postgres/postmaster.pid # pid is the number on first line

ttscoff

#!/usr/bin/ruby
=begin
Usage: rtftomarkdown.rb FILENAME.rtf

Uses textutil, available on Mac only (installed by default)
Outputs to STDOUT

Notes:

Links are replaced with Markdown references (duplicate links combined).

postmodern

#!/usr/bin/env ruby
#
# Proof-of-Concept exploit for Rails Remote Code Execution (CVE-2013-0156)
#
# ## Advisory
#
#   https://groups.google.com/forum/#!topic/rubyonrails-security/61bkgvnSGTQ/discussion
#
# ## Caveats
#

roine

/* normal flexbox */
.flexbox .flex-container {
        display: -webkit-flex;
	display: -moz-flex;
	display: -ms-flex;
	display: flex;
}
.flexbox .flex-container.vertical {
	display: -webkit-flex;
	display: -moz-flex;

Integralist

# This is the ONLY way I've found that works 
# All other suggested solutions (see below examples) don't actually work
# And as an extra bonus: this deep copies as well!

def deep_copy(o)
  Marshal.load(Marshal.dump(o))
end

gordonbrander

How to get WebVR working with your brand-new Daydream View & Pixel.

1. Update Daydream app to latest (Play Store)
2. Update Chrome app to latest (Play Store)
   • Tip: if you're feeling brave, download Chrome Canary instead. Better perf and new features.
3. Update Google VR Services (Play Store)
4. Open chrome://flags/#enable-webvr
   • Click "Enable"
5. Open chrome://flags/#enable-vr-shell
   • Set dropdown to "Enabled"