asalant’s gists

asalant / jasmine_runner.coffee

Last active November 10, 2016 22:04

Used at https://medium.com/good-eggs-product/debugging-jasmine-node-and-coffeescript-specs-80884bf92b5c

	process.env.NODE_ENV = 'test' unless process.env.NODE_ENV?

	sys = require "sys"
	_ = require "underscore"

	dir = "jasmine-node/lib/jasmine-node/"
	filename = "jasmine-2.0.0.rc1"

	# Copy 'it', 'describe',... to global
	for key, value of require("#{dir}#{filename}")

asalant / withSerializedSync.js

Created November 10, 2016 21:51

For https://medium.com/good-eggs-product/synchronize-ajax-calls-for-backbone-models-and-collections-8d18300a6ce8

	withSerializedSync = function(cls) {
	var sync = cls.prototype.sync \|\| Backbone.sync;
	cls.prototype.sync = function() {
	var args = arguments.length ? Array.prototype.slice.call(arguments,0) : [];
	if (!this._lastSync) {
	this._lastSync = sync.apply(this, args);
	} else {
	var _this = this;
	this._lastSync = this._lastSync.then(function() {
	return sync.apply(_this, args);

asalant / date_reviver_perf.coffee

Last active August 29, 2015 14:19

JSON Date reviver performance investigation

	isoDateRegex = /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{3}Z$/

	isIsoDate = (value) ->
	return value unless typeof(value) is 'string'

	isoDateRegex.test(value)

	isIsoDateOptimized = (value) ->
	return value unless typeof(value) is 'string'
	return value unless value.length is 24

asalant / marks.sh

Created August 19, 2013 23:53

Command line bookmarks for zsh on OSX from http://jeroenjanssens.com/2013/08/16/quickly-navigate-your-filesystem-from-the-command-line.html. I put marks.sh in ~/.zsh and source it from ~/.zshrc.

	export MARKPATH=$HOME/.marks

	function jump {
	cd -P "$MARKPATH/$1" 2>/dev/null \|\| echo "No such mark: $1"
	}
	function mark {
	mkdir -p "$MARKPATH"; ln -s "$(pwd)" "$MARKPATH/$1"
	}
	function unmark {
	rm -i "$MARKPATH/$1"

asalant / console.log

Created April 19, 2013 21:35

	Set mixed { '0': { name: 'Foo' },
	'1':
	{ path: 'mixed',
	instance: undefined,
	validators: [],
	setters: [ [Function] ],
	getters: [],
	options: { type: [Function: Mixed] },
	_index: null } }
	Set mixed { '0': 'Bar',

asalant / usage.js

Created December 18, 2012 01:51

Mixin for Backbone Model and Collection classes that will ensure that all ajax calls are run serially instead of concurrently (the default). Works by chaining jQuery Deferred.

	var MyModel = Backbone.Model.extend({});
	withSerializedSync(MyModel);

asalant / coffee-repl.js

Last active March 3, 2018 08:22

CoffeeScript REPL using Node's REPL

	#!/usr/bin/env node

	var vm = require('vm');
	var repl = require('repl');
	var CoffeeScript = require('coffee-script');

	repl.start({
	prompt: "coffee> ",
	eval: function(code, context, file, cb) {
	try {

asalant / gist:4109324

Created November 19, 2012 06:57

fibrous console session

	$ node fibrous_repl.js
	Starting fibrous REPL...
	> var fs = require('fs');
	undefined
	> data = fs.sync.readFile('/etc/passwd', 'utf-8');
	...
	> console.log(data);
	##
	# User Database
	#

asalant / fibrous_repl.js

Created November 19, 2012 06:38

Run a fibrous node console

	var vm = require('vm');
	var repl = require('repl');
	var fibrous = require('fibrous');

	console.log("Starting fibrous REPL...");
	repl.start({
	eval: fibrous(function(code, context, file) {
	return vm.runInContext(code, context, file);
	})
	});

asalant / connectWithRetry.js

Created November 17, 2012 01:24

Retry connecting to mongo if initial connect fails

	var mongoose = require('mongoose')
	var mongoUrl = "mongodb://localhost:27017/test"

	var connectWithRetry = function() {
	return mongoose.connect(mongoUrl, function(err) {
	if (err) {
	console.error('Failed to connect to mongo on startup - retrying in 5 sec', err);
	setTimeout(connectWithRetry, 5000);
	}
	});

Alon Salant asalant