ghsyeung’s gists

ghsyeung / Scraper Motivation.js

Created November 20, 2018 20:21

Dependency Injection

	import fetch from "fetch";

	class WebScraper {
	public download(link) {
	const page = fetch(link);
	if (page.status === "OK") {
	this.cache.add(link, page);
	} else {
	this.scheduler.schedule(link);
	}

ghsyeung / Adding Yarn to alpine-node

Last active February 10, 2017 00:50

Installing Yarn in Alpine

Both approaches from https://github.com/yarnpkg/yarn/issues/1326

ghsyeung / Dependency Injection Distilled

Last active January 4, 2017 04:43

Dependency Injection Distilled

.

ghsyeung / firebase.d.ts

Last active August 29, 2015 14:19

	interface FirebaseQuery {
	/**
	* Listens for data changes at a particular location.
	*/
	on(eventType: string, callback: (dataSnapshot: FirebaseDataSnapshot, prevChildName?: string) => void, cancelCallback?: (error: any) => void, context?: Object): (dataSnapshot: FirebaseDataSnapshot, prevChildName?: string) => void;
	}

	interface Firebase extends FirebaseQuery {
	/**
	* Generates a new child location using a unique name and returns a Firebase reference to it.

ghsyeung / chat.ts

Created April 23, 2015 23:32

	/// <reference path="../../tools/typings/firebase/firebase.d.ts"/>
	module Chat {
	class ChatMessage {
	constructor(public name:string, public text:string) {
	}
	}

	export class ChatEngine {
	private static baseUrl = "<Your Firebase URL>";
	private firebase;

ghsyeung / tsd-install

Created April 23, 2015 23:19

	> tsd install firebase --save # Install the firebase definition

	> tsd reinstall # Reinstall according to tsd.json

ghsyeung / gulp-compile.js

Last active August 29, 2015 14:19

Typescript hands on

	gulp.src(sourceTsFiles)
	.pipe(sourcemaps.init())
	.pipe(tsc({
	target: 'ES5',
	declarationFiles: false,
	noExternalResolve: true,
	typescript: require('typescript') // Only required if you override the default typescript dependency
	}));

ghsyeung / designer.html

Last active August 29, 2015 14:12

designer

	<link rel="import" href="../yt-video/yt-search-video.html">

	<polymer-element name="my-element">

	<template>
	<style>
	#yt_search_video {
	width: 300px;
	height: 300px;
	left: 350px;

ghsyeung / gist:9206490

Created February 25, 2014 10:29 — forked from Mithrandir0x/gist:3639232

	// Source: https://groups.google.com/forum/#!topic/angular/hVrkvaHGOfc
	// jsFiddle: http://jsfiddle.net/pkozlowski_opensource/PxdSP/14/
	// author: Pawel Kozlowski

	var myApp = angular.module('myApp', []);

	//service style, probably the simplest one
	myApp.service('helloWorldFromService', function() {
	this.sayHello = function() {
	return "Hello, World!"

ghsyeung / gist:2559116

Created April 30, 2012 15:11

Oracle useful commands

	select default_tablespace, temporary_tablespace
	from dba_users
	where username = 'g'

	select sum(bytes) from dba_segments where owner='g'
	select * from dba_segments where owner='g'
	select * from dba_segments where owner='g'
	select * from dba_free_space where tablespace_name = 'USERS' order by bytes desc

	ALTER TABLESPACE USERS ADD DATAFILE '/oracle/product/11.1.0/oradata/ORA11G/users02.dbf' SIZE 5242880 AUTOEXTEND ON NEXT 268435456 MAXSIZE 65535M

Gary Yeung ghsyeung