AlexZeitler

using System;
using System.Collections.Concurrent;
using System.Threading;
using System.Threading.Tasks;
using System.Threading.Tasks.Dataflow;

namespace TDFDemo
{
    class Program
    {

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// Dependency resolution, adapted from https://gist.github.com/1232505/f16308bc14966c8d003c2686b1c258ec41303c1f
function resolve(graph) {
  var sorted  = [], // sorted list of IDs ( returned value )
      visited = {}; // hash: id of already visited node => true

  // 2. topological sort
  Object.keys(graph).forEach(function visit(name, ancestors) {
    if (!Array.isArray(ancestors)) ancestors = [];
    ancestors.push(name);
    visited[name] = true;

AlexZeitler

// Dependency resolution, adapted from https://gist.github.com/1232505/f16308bc14966c8d003c2686b1c258ec41303c1f
function resolve(graph) {
  var sorted  = [], // sorted list of IDs ( returned value )
      visited = {}; // hash: id of already visited node => true

  // 2. topological sort
  Object.keys(graph).forEach(function visit(name, ancestors) {
    if (!Array.isArray(ancestors)) ancestors = [];
    ancestors.push(name);
    visited[name] = true;

AlexZeitler

mkdir -p /usr/local/etc/nginx/sites-{enabled,available}

File locations:

• nginx.conf to /usr/local/etc/nginx/
• default and default-ssl to /usr/local/etc/nginx/sites-available
• homebrew.mxcl.nginx.plist to /Library/LaunchDaemons/

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[merge]
  keepBackup = false
	tool = p4merge
[mergetool "p4merge"]
	cmd = /Applications/p4merge.app/Contents/Resources/launchp4merge "\"$PWD/$BASE\"" "\"$PWD/$REMOTE\"" "\"$PWD/$LOCAL\"" "\"$PWD/$MERGED\""
	keepTemporaries = false
	trustExitCode = false
	keepBackup = false
[diff]
    tool = p4merge

AlexZeitler

const RxNode = require('rx-node');
const Rx = require('rx');
const spawn = require('child_process').spawn;

RxNode.fromStream(spawn('find', ['/','-type','f','-exec', 'cat', '{}', '\+']).stdout)
	.map(x => x.toString())
	.map(x => RxNode.fromStream(spawn('./word-count.js', [x]).stdout))
	.mergeAll()
	.map(x => x.toString())
	.do(x => console.log(x))

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Resize a Hard Disk for a Virtual Machine

Our Virtual Machines are provisioned using Vagrant from a Linux base box to run using VirutalBox. If the Hard Disk space runs out and you cannot remove files to free-up space, you can resize the Hard Disk using some VirtualBox and Linux commands.

Some assumptions

The following steps assume you've got a set-up like mine, where:

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Branching

Quick Legend

Description, Instructions, Notes

Instance	Branch

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var cluster = require('cluster');

if (cluster.isWorker) {

  console.log('Worker ' + process.pid + ' has started.');

  // Send message to master process.
  process.send({msgFromWorker: 'This is from worker ' + process.pid + '.'})

  // Receive messages from the master process.

AlexZeitler

#!/bin/env node
//thx to http://fsprojects.github.io/Chessie/a-tale-of-3-nightclubs.html

Promise.all([
  suitablePersonEnterGayBar(),
  unsuitablePersonEnterGayBar(),
])
.then(result => result.map((person, i) => `Person ${i+1}: ${person.cost || ''}${person.reasons.join(' ')}`))
.then(result => console.log(`Person entries\n${result.join('\n')}`));