os6sense

class ProjectsController < ApplicationController                                
  7                                                                                 
  8   def index                                                                     
  9     @projects = nil                                                             
 10                                                                                 
 11     if params[:studio_id] && !params[:studio_id].empty?                         
 12       @projects = Project.studio(params[:studio_id])                            
 13     end                                                                         
 14                                                                                 
 15     # past, present, future                                                     

os6sense

require 'benchmark'
Benchmark.bm(20) do |x|
  x.report ('<<') do
    10_000_000.times do
      one = 'one'
      two = 'two'
      three = 'three'
      y = one << two << three
    end

os6sense

require 'benchmark'
Benchmark.bm(20) do |x|
  x.report ('<<') do
    out = ""
    100_000.times do
      one = 'one'
      two = 'two'
      three = 'three'
      out << "#{one}" << "#{two}" << "#{three}"

os6sense

SDK
http://software.blackmagicdesign.com/SDK/Blackmagic_DeckLink_SDK_10.1.zip

Drivers
http://software.blackmagicdesign.com/DesktopVideo/Blackmagic_Desktop_Video_Linux_10.1.tar.gz

os6sense

sudo bmdcapture -m 2 -A 0 -C 0 -V 1 -F nut -f pipe:1 | sudo ffmpeg -f alsa -i plughw:UA25 -i - -f ffm  http://localhost:8090/feed1.ffm 

Order of everything is VITAL otherwise the muxed audio ends up being ignored. 3 hours time wasted messing with map :/

os6sense

# dynamic_alias.ex
defmodule DynamicAlias do
  @doc
  """
  The following macro will introduce an alias into the calling module replacing
  the last part of the module name with the contents of List.replace_at/3.

  This is useful if you want to automatically references a different module 
  without knowing the fully qualified module name, but I'm new to Elixir and
  there may be a better way to do this.

os6sense

# used from within a test (e.g. use UseDI.A) the following is output:
# __using__ UseDI. caller : Elixir.UseDependencyInjectionTest
# __using__ UseDI.A. caller : Elixir.UseDependencyInjectionTest


import IO, only: [puts: 1]                                                      
                                                                                
defmodule UseDI do                                                              
  defmacro __using__(_) do                                                      
    quote do                                                                    

os6sense

Trying to use vagrant + rubber + ubuntu 13.10 (box, probably other versions). 

Most of the docs cover basic setup but I ran into a couple of problems not covered anywhere (does no-one use this combo before deploying to AWS?)

~ vagrant up  
# OR
~ vagrant provision 
-> [BUG] Segmentation fault ruby 1.9.3p194 (blah blah)

It seems its necessary to use rvm to switch to 1.9.3 p194 on the host

os6sense

#!/bin/bash

# Usage: ./deploy.sh [host]
# e.g. sh deploy user@123.212.11.14

host="$1"

# The host key might change when we instantiate a new VM, so
# we remove (-R) the old host key from known_hosts
ssh-keygen -R "${host#*@}" 2> /dev/null

os6sense

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});