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#This Rake task fires every 5 minutes, checking for a particular symptom which signals a critical problem.
#If it finds it, it calls Patrick's cell phone.
#This could probably be done with PagerDuty or similar, but since I already had a Twilio account...

desc "Emails sysadmin if reminders are not going out"
  task :check_for_emergency => :environment do
    begin
      had_emergency = Reminder.check_for_emergency!  #Application code checks for a symptom of a critical problem.  
      if (had_emergency)
        twimlet_url = "http://twimlets.com/message?Message%5B0%5D=Appointment%20reminder%20reminders%20in%20processing%20or%20scheduled.%20Appointment%20reminder%20reminders%20in%20processing%20or%20scheduled.%20Appointment%20reminder%20reminders%20in%20processing%20or%20scheduled."

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cd /tmp

curl -o git-2.2.1.tar.gz "https://www.kernel.org/pub/software/scm/git/git-2.2.1.tar.gz"
curl -o git-2.2.1.tar.sign "https://www.kernel.org/pub/software/scm/git/git-2.2.1.tar.sign"

# if you want to verify the tar signature
gpg --keyserver hkp://keys.gnupg.net --recv-keys 96AFE6CB
gunzip git-2.2.1.tar.gz
gpg --verify git-2.2.1.tar.sign

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#In Golang

package main

import (
	"fmt"
	"regexp"
)

func main() {

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#The task is replacing the port number in the URL string

//in golang
import "fmt"
import "strings"

func main() {
        url := "http://localhost:8080/foo/bar"
        fmt.Println(strings.Replace(url, "8080", "8181", -1))
}

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// The wrong way to do things:

for {
	switch {
	case <- channelA:
  		doSomething()
 	case <- channelB:
 		doSomethingElse()
 	default:
 	// Do nothing.

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/*
 * robotMaze.js
 *
 * The blue key is inside a labyrinth, and extracting
 * it will not be easy.
 *
 * It's a good thing that you're a AI expert, or
 * we would have to leave empty-handed.
 */

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hoge = "これは例である。"
puts hoge[1]

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#This solves the maze using regular expressions, because I am too
#lazy to worry about arrays, darn it.  It is inefficient as heck and designed
#purely to demonstrate perversion of sound CS principals.
#
# Code by Patrick McKenzie, 2010.  I release this work unto the public domain.

class Maze
  def initialize(maze_string)
    @width = maze_string.split("\n")[0].length  #width of maze in characters
    @guts = maze_string.gsub("\n", "")          #maze as a flat string -- no newlines

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def open_flash_chart(height, width, data_url, div_name = nil)
    options = {}
    options[:height] = height
    options[:width] = width
    options[:swf_file_name] = "flash/open-flash-chart.swf"
    options[:div_name] = div_name unless div_name.nil?
    open_flash_chart_object_from_hash(data_url, options)
  end

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// When I was working on our React/Flummox app I got to the point where, per the docs, I had ~100 lines of code
// which were substantially predictable boilerplate, so I used some JS metaprogramming to condense them by 80%.

// Flummox docs: http://acdlite.github.io/flummox

// I use underscore.js below for utility but you can also just do a for loop.

class AppFlux extends Flux {

  constructor() {