swannodette

;; based on core.logic 0.8-alpha2 or core.logic master branch

(ns sudoku
  (:refer-clojure :exclude [==])
  (:use clojure.core.logic))

(defn get-square [rows x y]
  (for [x (range x (+ x 3))
        y (range y (+ y 3))]
    (get-in rows [x y])))

redsquirrel

require 'test/unit'

def score(*frames)
  score = roll_count = 0
  rolls = frames.flatten
  frames.each do |frame|
    if sum(frame) == 10
      score += sum(next_three(rolls, roll_count))
    else
      score += sum(frame)

jimweirich

    context "with an isolated decorator class" do
      let(:decorator_class) { Class.new(Decorator) }
      subject{ decorator_class.new(source) }

      context "when #hello_world is called again" do
        it "proxies method directly after first hit" do
          subject.methods.should_not include(:hello_world)
          subject.hello_world
          subject.methods.should include(:hello_world)
        end

conanr

vagrant box add precise32 http://files.vagrantup.com/precise32.box
vagrant init precise32

# update Vagrantfile to port forward: ln 32 => "config.vm.forward_port 80, 8080"

vagrant up
vagrant ssh

mattyoho

Install

brew install logrotate

add to .bash_profile

export PATH=${PATH}:/usr/local/sbin

restart terminal just to check the logrotate command returns something

logrotate -?

make logrotate.d directory inside of /etc/ and add new config file

travisvalentine

Install

brew install logrotate

add to .bash_profile

export PATH=${PATH}:/usr/local/sbin

restart terminal just to check the logrotate command returns something

logrotate -?

make logrotate.d directory inside of /etc/ and add new config file

jboner

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

majek

Passing TCP socket descriptors around

In linux, normally, it is impossible to "bind()" to the same TCP port twice. If you try to bind to the same port from second proces unix processes you'll see:

socket.error: [Errno 98] Address already in use

cstrahan

# Colors
escape  = -> n { STDOUT.tty? ? "\033[#{n}m" : "" }
red     = escape[31]
green   = escape[32]
yellow  = escape[33]
blue    = escape[34]
magenta = escape[35]
cyan    = escape[36]
reset   = escape[ 0]

austenito

describe "Shopping Cart Requests" do
  let!(:user) { Fabricate(:user) }

  before(:each) do
    login_user_post("admin", "admin")
  end

  context "when I visit the shopping cart" do
    it " show the logged in users' cart items " do
      #Test stuff