cdax’s gists

cdax / 1.json

Last active February 21, 2018 09:22

CCQ Demo

1

cdax / index.html

Last active February 21, 2018 06:11

Controlled-Concurrency Queue example

	<script src="https://github.com/grofers/ccq/releases/download/v0.1.0/ccq-0.1.0.min.js"></script>
	<script>
	new Queue()
	.add(function(callback) { callback(null, 1); })
	.add(function(callback) { callback(null, 2); })
	.add(function(callback) { callback(null, 3); })
	.await(function(results) { console.log(results); });
	</script>

cdax / gist:80f636ff2a37a0e47c73

Created February 27, 2015 07:01

If Arundhati Roy Wrote JavaScript

	// 1) Start with the answer. 2) Move on to the Grubby Details.
	// A viable try-able plan.
	function sayIt(word) {

	return TheSayItSaveItThing(word);

	// Does Whatever-it-is-you-need-it-to.
	// Loyal, Dependable, Weak-kneed.
	function TheSayItSaveItThing(word) {
	// When invoked it Saves.

cdax / download_best.js

Created November 26, 2014 08:38

A simple file download function (supports promises via deferreds)

	function _http_get(url) {
	var deferred = Q.defer();
	http.get(url, deferred.resolve);
	return deferred.promise;
	}

	function download(url, filepath, progressCallback, callback) {
	//http.get() promisified using Q.nfcall()
	return
	_http_get(url)

cdax / download_with_nfcall.js

Last active August 29, 2015 14:10

A simple file download function (supports promises via nfcall())

	function download(url, filepath, progressCallback, callback) {
	//http.get() promisified using Q.nfcall()
	return
	Q.nfcall(http.get, url)
	.then(function(res) {
	//Detecting a redirect the way request/request.js does it
	if(res.statusCode >= 300 && res.statusCode < 400 && hasHeader(res, 'location')) {
	//Get the new URL and make a fresh call to download, returning the promise
	return download(getHeader(res, 'location'), filepath, progressCallback, callback);
	} else {

cdax / download_with_deferred.js

Last active August 29, 2015 14:10

A simple file downlaod function (supports promises via deferred)

	function download(url, filepath, progressCallback, callback) {
	//The deferred object
	var deferred = Q.defer();
	http.get(url, function(res) {
	//Detecting a redirect the way request/request.js does it
	if(res.statusCode >= 300 && res.statusCode < 400 && hasHeader(res, 'location')) {
	//Get the new URL and make a fresh call to download, returning the promise
	return download(getHeader(res, 'location'), filepath, progressCallback, callback);
	} else {
	var data = '', totalLength = parseInt(res.getHeader('content-length'));

cdax / download_callback_only.js

Created November 26, 2014 06:08

A simple file download function in Node.js (supports callbacks only)

	function downlaod(url, filepath, progressCallback, callback) {
	http.get(url, function(res) {
	//Detecting a redirect the way request/request.js does it
	if(res.statusCode >= 300 && res.statusCode < 400 && hasHeader(res, 'location')) {
	//Get the new URL and make a fresh call to download
	download(getHeader(res, 'location'), filepath, progressCallback, callback);
	} else {
	var data = '', totalLength = parseInt(res.getHeader('content-length'));
	var file = fs.createWriteStream(filepath);
	res.pipe(file);

cdax / async_dual.js

Created November 24, 2014 11:00

Asynchronous function offering both a callback- as well as a promise-style API

	var http = require('http');
	var Q = require('q');

	var download = function(url, callback) {

	var page = '';
	var deferred = Q.defer();

	http.get(url, function(res) {

cdax / async_promise.js

Last active August 29, 2015 14:10

A promise-style asynchronous function in Node

cdax / async_callback.js

Last active August 29, 2015 14:10

A callback-style asynchronous function in Node

	var http = require('http');

	var download = function(url, callback) {

	var page = '';

	http.get(url, function(res) {

	res.on('data', function(chunk) {
	page += chunk.toString();

Chitharanjan Das cdax