Lam Chau lamchau

lamchau / 0_reuse_code.js

Last active August 29, 2015 14:16

Here are some things you can do with Gists in GistBox.

	// Use Gists to store code you would like to remember later on
	console.log(window); // log the "window" object to the console

lamchau / indent.pegjs

Last active August 29, 2015 14:17 — forked from jakubkulhan/indent.pegjs

	// do not use result cache, nor line and column tracking

	{ var indentStack = [], indent = ""; }

	start
	= INDENT? lines:( blank / line )*
	{ return lines; }

	line
	= SAMEDENT line:(!EOL c:. { return c; })+ EOL?

lamchau / add-ip.sh

Last active August 29, 2015 14:17

add IPs to access PostgreSQL remotely (Short URL: http://git.io/hiFi)

	#!/bin/sh

	# prerequisite: sudo su - postgres
	CONFIGURATION_FILE="/etc/postgresql/9.4/main/pg_hba.conf"
	CURRENT_IP=$(last -i \| grep "still logged" \| awk '{ print $3 }')
	IPV4_REGEX="\b(25[0-5]\|2[0-4][0-9]\|[01]?[0-9][0-9]?)\.(25[0-5]\|2[0-4][0-9]\|[01]?[0-9][0-9]?)\.(25[0-5]\|2[0-4][0-9]\|[01]?[0-9][0-9]?)\.(25[0-5]\|2[0-4][0-9]\|[01]?[0-9][0-9]?)\b"

	if [ ! -f "$CONFIGURATION_FILE" ]; then
	echo "File not found: $CONFIGURATION_FILE"
	exit 1

lamchau / binary-tree-max-sum.js

Created March 30, 2015 05:40

lamchau / controllers__command.js

Created April 2, 2015 20:25

ember.js: command pattern with browser history for undo/redo

	/**
	* Command Dispatcher for managing {@code App.Command}.
	*
	* {@link http://en.wikipedia.org/wiki/Command_pattern\|Command Pattern}
	*/
	App.CommandController = Ember.Controller.extend({
	commands: null,
	result: null,
	position: 0,
	maxRedo: 0,

lamchau / evented-ember-history.js

Created April 2, 2015 20:27

	(function(History) {
	if (!Ember.Object.detectInstance(History)) {
	throw new Error("Native `Ember.History` is already defined.");
	}

	if (Ember.Evented.detect(History)) {
	return;
	} else {
	History.reopen(Ember.Evented);
	}

lamchau / filter-object.js

Created April 12, 2015 18:23

	describe('filterObject', function () {
	it('should filter out falsey values', function () {
	var actual = filterObject({
	empty: '',
	depth: 0,
	nested: {
	empty: '',
	depth: 1,
	nested: {
	empty: '',

lamchau / youtube-repeat.js

Created April 19, 2015 09:28

youtube infinite repeater

	(function() {
	if (!/youtube.com$/i.test(location.host)) {
	alert("hostname does not match 'youtube.com'");
	return;
	}

	var timeout;
	var resume;
	var repeat = function repeat() {
	clearTimeout(timeout);

lamchau / logging.js

Created April 21, 2015 00:31

simple pretty log4j-like logging (requires chalk for color)

	var util = require('util');
	var chalk = require('chalk');

	var LOG_TYPE = chalk.bold.black('[') + '%s' + chalk.bold.black(']') + ':';
	var ALL = {
	type: 'ALL'
	};
	var TRACE = {
	type: 'TRACE',
	fn: console.log,

lamchau / number-pad.js

Last active August 29, 2015 14:19