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written, the development of the Promises/A+ specification has made the original emphasis on Promises/A seem somewhat outdated.
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.
Simple made easy by Rick Hickey Author of Clojure
Why OO Sucks Erlang by Joe Armstrong Author of Erlang
execution in kingdom of nouns by Steve Yegge
Perception and Action by Stuart Halloway
Pure, functional JavaScript by Christian Johansen
| Function.prototype.runOnBackgroundThread = function (aCallback) { | |
| var _blob = new Blob(['onmessage = '+this.toString()],{"type":"text/javascript"}); | |
| var _worker = new Worker((webkitURL.createObjectURL || URL.createObjectURL)(_blob)); | |
| _worker.onmessage = aCallback; | |
| _worker.postMessage(); | |
| } | |
| var _test = function () { | |
| postMessage((1+1).toString()); | |
| } |
| Array.prototype.reduce = this.ArrayReduce || Array.prototype.reduce | |
| var console = window.console | |
| var global = this | |
| function assert(actual, expected) { | |
| if (arguments.length < 2 && actual) | |
| return actual | |
| if (actual === expected) | |
| return actual | |
| if (JSON.stringify(actual) == JSON.stringify(expected)) | |
| return JSON.stringify(actual) |
| body#-webkit-web-inspector #main{background-color:#002b36!important}body#-webkit-web-inspector #main .panel.network,body#-webkit-web-inspector #main .panel.timeline,body#-webkit-web-inspector #main .panel.profiles,body#-webkit-web-inspector #main .panel.audits,body#-webkit-web-inspector #main .panel.extension{background-color:#fff!important}body#-webkit-web-inspector #console-messages a:hover,body#-webkit-web-inspector #console-messages .console-formatted-function,body#-webkit-web-inspector #console-messages .console-formatted-object{color:#93a1a1!important}body#-webkit-web-inspector #console-prompt,body#-webkit-web-inspector #console-messages a,body#-webkit-web-inspector #console-messages .console-message,body#-webkit-web-inspector #console-messages .console-group-messages .section .header .title{color:#839496!important}body#-webkit-web-inspector #console-messages .console-formatted-null,body#-webkit-web-inspector #console-messages .console-formatted-undefined{color:#657b83!important}body#-webkit-web-inspect |
| (defproject cljs-demo "0.1.0-SNAPSHOT" | |
| :description "ClojureScripting!" | |
| :dev-dependencies [[lein-cljsbuild "0.1.2"]] | |
| :cljsbuild {:builds [{:source-path "src" | |
| :compiler {:optimizations :simple | |
| :pretty-print true}}]}) | |
| ;; then from project directory | |
| ;; --------------------------- | |
| ;; |
| // 1. Shorter function syntax. | |
| // | |
| // This version does not respect "Tennent's correspondence principle" -- it's nothing | |
| // more than syntactic sugar for the traditional function syntax. That means when you | |
| // see the normal braced body of a function, whether it's a longhand function or this | |
| // shorthand version, there's no difference: return, this, and arguments are all tied | |
| // to the new function body, and there's no implicit returning of the last expression | |
| // result. | |
| a.some((x) -> { |
Attempt to list some possible standard AMD loader configuration values.
An AMD loader is not required to implement all of these configuration values, but if it does provide a capability that is satisfied by these configuration values, it should use these configuration values and structures.
String: Indicates the root used for ID-to-path resolutions. Relative paths are relative to the current working directory. In web browsers, the current working directory is the directory containing the web page running the script.
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta http-equiv="content-type" content="text/html;charset=utf-8"> | |
| <title>d3.js ~ Streamgraph</title> | |
| <!-- absolute url --> | |
| <script type="text/javascript" src="http://mbostock.github.com/d3/d3.js?2.5.1"></script> | |
| <script type='text/javascript' src='http://mbostock.github.com/d3/d3.layout.js?2.5.1'></script> | |
| <!-- relative urls --> | |
| <link href='stream.css' rel='stylesheet' type='text/css'/> |
| #!/usr/bin/env ruby | |
| FSCRIPT_PATH = "/Library/Frameworks/FScript.framework" | |
| if ARGV.empty? | |
| puts "Usage: #{$0} process_name" | |
| exit | |
| end | |
| GDB = IO.popen("gdb", 'w') |