TooTallNate

// If no exception is passed into 'getScriptName', it will only
// retrieve the URL of the script where 'getScriptName' is defined.
// In order to get the URL of a different script file, you must
// pass an exception generated in this script file to 'getScriptName'.
try {
    (0)();
} catch(ex) {
    getScriptName(ex, onScriptNameKnown);
}

paulbaumgart

_XMLHttpRequest = XMLHttpRequest;
XMLHttpRequest = function () {
    Object.defineProperty(this,
                          "__onreadystatechange",
                          {value: null,
                           writable: true,
                           enumerable: false});

    Object.defineProperty(this,
                          "onreadystatechange",

tlrobinson

// Injecting JavaScript

// Basic compact
document.body.appendChild(document.createElement("script")).src="foo.js"
// Function wrapped
(function(d){d.body.appendChild(d.createElement("script")).src="foo.js"})(document)
// With "with"
with(document){body.appendChild(createElement("script")).src="foo.js"}

// Injecting CSS

teich

Heroku introduced a major update today to the platform. In addition to the press release and blog post, here is a list of all updated content:

Web site

• Home Page
• How It Works
• Pricing Page

Devcenter.heroku.com

tlrobinson

// Storage decorator base class
function StorageDecorator(storage) {
    this._storage = storage;
}
StorageDecorator.prototype.getItem = function(key) {
    return this._storage.getItem(key);
}
StorageDecorator.prototype.setItem = function(key, value) {
    return this._storage.setItem(key, value);

bhenerey

In a perfect world, where things are done well, not just quickly, I would expect to find the following when joining the company:

Documentation

• Accurate / up-to-date systems architecture diagram

• Accurate / up-to-date network diagram

• Out-of-hours support plan

• Incident management plan

domenic

This article has been given a more permanent home on my blog. Also, since it was first written, the development of the Promises/A+ specification has made the original emphasis on Promises/A seem somewhat outdated.

You're Missing the Point of Promises

Promises are a software abstraction that makes working with asynchronous operations much more pleasant. In the most basic definition, your code will move from continuation-passing style:

getTweetsFor("domenic", function (err, results) {
 // the rest of your code goes here.

tlrobinson

tlrobinson ~/tmp $ node promise-repl.js 
q> require("q-fs").read("promise-repl.js")
<Buffer 0a 76 61 72 20 56 4d 20 3d 20 72 65 71 75 69 72 65 28 22 76 6d 22 29 3b 0a 76 61 72 20 52 45 50 4c 20 3d 20 72 65 71 75 69 72 65 28 22 72 65 70 6c 22 29 ...>
q> 

gavinandresen

SEE BIP 70

See https://en.bitcoin.it/wiki/BIP_0070 for the latest version of this document; I'll keep this document so the process of discussion/revision isn't lost.

Bitcoin Payment Messages

This document proposes protocol buffer-based formats for a simple payment protocol between a customer's bitcoin client software and a merchant.

ragingwind

Backend Architectures

Twitter

ror, scala, jetty, erlang, thrift, mongrel, comet server, my-sql, memchached, varnish, kestrel(mq), starling, gizzard, cassandra, hadoop, vertica, munin, nagios, awstats

• Introduce Gizzard of Twitter - 트위터의 새로운 분산 관리 라이브러리 Gizzard를 소개합니다.
• The Architecture Twitter Uses to Deal with 150M Active Users, 300K QPS, a 22 MB/S Firehose, and Send Tweets in Under 5 Seconds
• Scaling Twitter: Making Twitter 10000 Percent Faster