PaulMougel’s gists

PaulMougel / index.js

Last active August 29, 2015 14:02

Sequelize: TypeError: Cannot read property 'through' of null

	var Sequelize = require('sequelize');
	var Promise = require('bluebird');

	var sequelize = new Sequelize('test', 'pmougel', '', {
	logging: false,
	dialect: 'postgres',
	omitNull: true
	});

	var User = sequelize.define(

PaulMougel / improved.js

Last active August 29, 2015 14:01

	var charts = ["#drug", "#clinical", "#mri", "#disease", "#gd", "#relapses"].map(function (chart) {
	return datachart.compositeChart(chart);
	});
	charts.push(datachart.barChart("#monthly-chart"));

	var svg = element.children('svg');
	function compile () { $compile(svg)(scope); };

	charts.map(function (chart) { chart.on('postRender', compile); });

PaulMougel / index.js

Created May 6, 2014 12:18

Hapi hanging with plugin dependency

	var Hapi = require('hapi');

	var plugins = {
	yar: {
	cookieOptions: {
	password: "mypassword",
	isSecure: false
	}
	},
	travelogue: {

PaulMougel / asciidoctor_to_pdf

Created April 14, 2014 10:14

	INPUT="$1"
	XML=$(basename "$1" .adoc).xml

	asciidoctor -b docbook -d article "$1"
	fopub "$XML"
	rm "$XML"

PaulMougel / server.js

Created March 3, 2014 11:24

Simple download app using Express and node.js' streams

	var fs = require('fs');
	var express = require('express');
	var app = express();

	app.get('/', function (req, res) {
	res.attachment();
	fs.createReadStream('test.pdf').pipe(res);
	});

	app.listen(8080);

PaulMougel / csvToMongo.js

Last active September 5, 2016 01:13

MongoDB document insertion from a CSV stream using async.queue

	var csv = require('csv');
	var async = require('async');
	var fs = require('fs');
	var MongoClient = require('mongodb').MongoClient;

	MongoClient.connect('mongodb://localhost:27017/csvdb', function(err, db) {
	if (err) throw err;

	var collection = db.collection('myCSVs');
	var queue = async.queue(collection.insert.bind(collection), 5);

PaulMougel / output.txt

Created December 23, 2013 19:30

Example of async.waterfall, see http://stackoverflow.com/questions/20749359/node-async-waterfall-using-an-array-with-callbacks-that-have-arguments

	~/tmp ❯❯❯ node index.js
	null
	[ {}, {}, {} ]

PaulMougel / generate_input.sh

Created December 14, 2013 16:34

Buffered Transform stream — simple PassThrough stream that also keeps an internal buffer. When a stream is piped into the BufferStream, the internal buffer is written to the new piped stream; after that the BufferStream behaves like a PassThrough.

dd if=/dev/zero of=input.txt bs=512k count=50

PaulMougel / stream_leveldb.js

Last active December 30, 2015 03:08 — forked from leonardonsantos/stream_leveldb.js

Stream the output of a LevelDB into a socket, using a Transform stream

	#!/usr/bin/nodejs

	var levelup = require('levelup');
	var http = require('http');
	var util = require('util');
	var Transform = require('stream').Transform \|\| require('readable-stream').Transform;

	var server = http.createServer(onRequest);

	// Save something in db

PaulMougel / output.txt

Created November 22, 2013 13:02

Example of a failing async.queue usage, resulting in a stack overflow

	$ node -v
	v0.10.16
	$ node index.js

	/root/tmp/node_modules/async/lib/async.js:710
	process: function () {
	^
	RangeError: Maximum call stack size exceeded

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