wycats

class TicketsController < ApplicationController
  def show
    tickets = params[:tickets].split(",")

    ticket_data = tickets.map do |ticket|
      parallel { Faraday.get("http://tickets.local/#{ticket}") }
    end

    render json: { tickets: ticket_data.map(&:result) }
  end

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

eric

/* 
 * Cubism source for Papertrail
 * https://papertrailapp.com/
 */

cubism.context.prototype.papertrail = function(token) {
  var source = {};

  source.metric = function(expression, title) {
    var lookup = {};

purcell

# Monkeypatch fix for https://github.com/rack/rack/issues/386 achieved by
# applying https://github.com/rack/rack/commit/2dfe94071497678c15cfcd8e63663d92f82958e5

raise "remove this fix" if Gem.loaded_specs["rack"].version > Gem::Version.new("1.4.1")

module Rack
  module Utils
    def parse_query(qs, d = nil)
      params = KeySpaceConstrainedParams.new

hexgnu

class HammingCode
  attr_reader :data_bits
  def initialize(number)
    @number = number
    @data_bits = number.to_s(2)
  end
  
  def parity_bits
    indexes = []
    current_index = 3

marktheunissen

This playbook has been removed as it is now very outdated.

eric

namespace :redis_failover do
  task :monitor_client do
    require 'redis_failover'

    zookeepers = ENV['ZOOKEEPERS']

    if !zookeepers && zookeepers_file = ENV['ZOOKEEPERS_FILE']
      if File.exists?(zookeepers_file)
        zookeepers = File.read(zookeepers_file).chomp
      end

ryandotsmith

export t=$(date +%s)
lockfile $t #create lock. Try running `lockfile $t` in another shell.
rm -f $t    #delete lock

badboy

Original link: http://www.concentric.net/~Ttwang/tech/inthash.htm
Taken from: http://web.archive.org/web/20071223173210/http://www.concentric.net/~Ttwang/tech/inthash.htm
Reformatted using pandoc

Integer Hash Function

Thomas Wang, Jan 1997

last update Mar 2007

JalfResi

package main

import(
        "log"
        "net/url"
        "net/http"
        "net/http/httputil"
)

func main() {