Dickwyn Yong dickwyn

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

Jekyll & Liquid Cheatsheet

A list of the most common functionalities in Jekyll (Liquid). You can use Jekyll with GitHub Pages, just make sure you are using the proper version.

Running

Running a local server for testing purposes:

Problem

I have two Github accounts: oanhnn (personal) and superman (for work). I want to use both accounts on same computer (without typing password everytime, when doing git push or pull).

Solution

Use ssh keys and define host aliases in ssh config file (each alias for an account).

How to?

Generate ssh key pairs for accounts and add them to GitHub accounts.

Credit Card Regex

Amex Card: ^3[47][0-9]{13}$
BCGlobal: ^(6541|6556)[0-9]{12}$
Carte Blanche Card: ^389[0-9]{11}$
Diners Club Card: ^3(?:0[0-5]|[68][0-9])[0-9]{11}$
Discover Card: ^65[4-9][0-9]{13}|64[4-9][0-9]{13}|6011[0-9]{12}|(622(?:12[6-9]|1[3-9][0-9]|[2-8][0-9][0-9]|9[01][0-9]|92[0-5])[0-9]{10})$
Insta Payment Card: ^63[7-9][0-9]{13}$
JCB Card: ^(?:2131|1800|35\d{3})\d{11}$
KoreanLocalCard: ^9[0-9]{15}$

Handle CORS Client-side

Cross-origin resource sharing (CORS) is a mechanism that allows restricted resources (e.g. fonts) on a web page to be requested from another domain outside the domain from which the first resource was served. This is set on the server-side and there is nothing you can do from the client-side to change that setting, that is up to the server/API. There are some ways to get around it tho.

Sources : MDN - HTTP Access Control | Wiki - CORS

CORS is set server-side by supplying each request with additional headers which allow requests to be requested outside of the own domain, for example to your localhost. This is primarily set by the header:

Access-Control-Allow-Origin

	<!doctype html>
	<title>Site Maintenance</title>
	<style>
	body { text-align: center; padding: 150px; }
	h1 { font-size: 50px; }
	body { font: 20px Helvetica, sans-serif; color: #333; }
	article { display: block; text-align: left; width: 650px; margin: 0 auto; }
	a { color: #dc8100; text-decoration: none; }
	a:hover { color: #333; text-decoration: none; }
	</style>

	/* Doubly Linked List implementation */
	#include<stdio.h>
	#include<stdlib.h>

	struct Node {
	int data;
	struct Node* next;
	struct Node* prev;
	};

	# Compiled source #
	###################
	*.com
	*.class
	*.dll
	*.exe
	*.o
	*.so

	# Packages #

	<!DOCTYPE html>
	<html>
	<head>
	<title>My Iframe</title>
	</head>
	<body>

	<button>Botão</button>

	<script type="text/javascript">

	// https://github.com/alfonsomunozpomer/react-fetch-mock

	import React from 'react'
	import fetchMock from 'fetch-mock'
	import Enzyme from 'enzyme'
	import {shallow, mount, render} from 'enzyme'
	import Adapter from 'enzyme-adapter-react-16'

	Enzyme.configure({ adapter: new Adapter() })