Wai Mun iworkforthem

write Node.js & Python codes

iworkforthem / gist:b4a11bcd35b486564abf0ccfde555d66

Created February 14, 2017 05:28

mongodb replicate set

	# mongod --port 27017 --dbpath /var/lib/mongo --replSet rs0
	# sudo service mongod start
	# nano /etc/mongod.conf

	mongod --port 27017 --dbpath /data/db/rs0 --replSet rs0
	mongod --port 27018 --dbpath /data/db/rs1 --replSet rs0
	mongod --port 27019 --dbpath /data/db/rs2 --replSet rs0

	rsconf = {
	_id: "rs0",

iworkforthem / gist:3f2a2d6a0199ba735e63931fbd325bb2

Created February 13, 2017 08:44

package.json

iworkforthem / gist:e5ff56e1b8d2f7d080a59476f4d44072

Created January 24, 2017 07:02

set permission to /var/www/html

	chown -R ec2-user /var/www/html
	chmod -R 755 /var/www/html

iworkforthem / gist:f3772f552a13c7f2395d566df6cbb075

Created January 19, 2017 07:40

unit with mocha & chai.

	process.env.NODE_ENV = 'test';

	let chai = require('chai');
	let chaiHttp = require('chai-http');
	let server = require('../app');
	let should = chai.should();

	chai.use(chaiHttp);

	describe('Server', () => {

iworkforthem / gist:5c583c1f0752bf80de70f16d97cc6661

Created January 19, 2017 07:06

request logging & secure HTTP headers.

	var helmet = require('helmet');
	app.use(helmet());

	var morgan = require('morgan');
	var fs = require('fs');
	var FileStreamRotator = require('file-stream-rotator')
	var logDirectory = __dirname + '/logs'
	fs.existsSync(logDirectory) \|\| fs.mkdirSync(logDirectory);
	var accessLogStream = FileStreamRotator.getStream({
	date_format: 'YYYYMMDD',

iworkforthem / gist:fbcf488571db22e70fa787c223fa2024

Created January 10, 2017 07:42

MongoDB Shell create user.

	use admin
	db.createUser(
	{
	user: "",
	pwd: "",
	roles: [ { role: "userAdminAnyDatabase", db: "admin" } ]
	}
	)
	mongo --port 27017 -u "" -p "" --authenticationDatabase ""

iworkforthem / gist:4981da2e587b921edd7257dcbbb43945

Created January 10, 2017 02:43

remove mongodb on amazon ec2.

	sudo service mongod stop
	sudo yum erase $(rpm -qa \| grep mongodb-org)
	sudo rm -r /var/log/mongodb
	sudo rm -r /var/lib/mongo

iworkforthem / gist:16a19c7fa05b97d149b96825415e7bfb

Created December 28, 2016 10:10

send email with Amazon SES.

	var nodemailer = require('nodemailer');
	var ses = require('nodemailer-ses-transport');

	var transporter = nodemailer.createTransport(ses({
	accessKeyId: '',
	secretAccessKey: '',
	region: 'us-west-2'
	}));

	var mailOptions = {

iworkforthem / gist:86c49909eaaaf82c9179c8b95e660008

Created December 24, 2016 11:43

javascript form post.

	function postAjax(url, data, success) {
	var params = typeof data == 'string' ? data : Object.keys(data).map(
	function(k){ return encodeURIComponent(k) + '=' + encodeURIComponent(data[k]) }
	).join('&');

	var xhr = window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("Microsoft.XMLHTTP");
	xhr.open('POST', url);
	xhr.onreadystatechange = function() {
	if (xhr.readyState>3 && xhr.status==200) { success(xhr.responseText); }
	};

iworkforthem / gist:a5b50d5391d1c9d10b12b5215011cdd7

Created December 22, 2016 11:00

blur background

	document.querySelector("body").style.WebkitFilter = 'blur(4px)';
	document.querySelector("body").style.filter= 'blur(4px)';