Loreto Parisi loretoparisi

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NightShift

MSc Computer Engineering, running @musixmatchresearch Artificial Intelligence Engineering Director at @musixmatch

loretoparisi / basehandler.py

Created October 25, 2019 10:55

Tornado BaseHandler for IOLoop run in executor and error handling

	class BaseHandler(tornado.web.RequestHandler):

	@tornado.gen.coroutine
	def post_async(self, *args):
	resp_dict = yield ioloop.IOLoop.current().run_in_executor(None, self.post_handler, args)
	return resp_dict

	@tornado.web.asynchronous
	@tornado.gen.coroutine
	def post(self, *args):

loretoparisi / tornado_webapp.py

Created October 24, 2019 10:36

Tornado Catch allError Handler example

	#!/usr/bin/env python
	# -- coding: utf-8 --
	#

	import handlers as th
	from tornado import web

	class ErrorHandler(web.RequestHandler):
	"""Generates an error response with status_code for all requests."""

loretoparisi / ec2_ip_address_docker_host.js

Created June 25, 2019 14:14

Get Docker Host IP Address for EC2 instances

	const cp = require('child_process');
	const ec2 = function (callback) {
	const URL = 'http://169.254.169.254/latest/meta-data/local-ipv4';
	// we make it silent and timeout to 1 sec
	const args = [URL, '-s', '--max-time', '1'];
	const opts = {};
	cp.execFile('curl', args, opts, (error, stdout) => {
	if (error) return callback(new Error('ec2 ip error'));
	else return callback(null, stdout);
	})

loretoparisi / dehyphen.py

Last active June 5, 2019 08:52

De hyphenate a word with hyphens to matched word - Repl: https://repl.it/@loretoparisi/DeHyphen

	import re

	text = "oh-oh-oh c-c-c-c-come to home today c-c-c-c-come to me fine-tuning"

	print(re.sub(r'(\w+(?:-))+(\w+)', '\\2', text))
	print(re.sub(r'(?<!\S)(\w{1,3})(?:-\1)*-(\w+)(?!\S)', '\\2', text))

	#pattern = r"(?<=-)\w+(?=[^-\w])"
	pattern = r"(?<!\S)(\w{1,3})(?:-\1)*-(\w+)(?!\S)"
	r = re.compile(pattern, flags=re.I \| re.X \| re.UNICODE)

loretoparisi / longest_subsequence.py

Last active May 30, 2019 12:25

Longest Increasing Subsequence with Linear and Bisect (Binary) Search - http://research.variancia.com/unl-aligner/

	def longest_subsequence_bisect(seq, mode='strictly', order='increasing',
	key=None, index=False):
	"""

	>>> longest_subsequence_bisect([1,2,3,4,5,6,7,2,2,2,2,2,5,1,7,8])

	Return the longest increasing subsequence of `seq`.

	Parameters
	----------

loretoparisi / find.js

Last active April 30, 2019 16:15

Find and Head with Node.js

	function scanDirStream(needle, params) {
	var options = {
	// find -type
	type: 'f',
	// find -name
	name: '*',
	limit: 100
	};
	for (var attrname in params) { options[attrname] = params[attrname]; }
	return new Promise((resolve, reject) => {

loretoparisi / icu4c_macos.sh

Created April 29, 2019 13:59

Install icu4c on macOS

	export ICU_VERSION=63.1
	export PYICU_INCLUDES=/usr/local/Cellar/icu4c/63.1/include
	export PYICU_LFLAGS=-L/usr/local/Cellar/icu4c/63.1/lib
	export PYICU_CFLAGS=-std=c++11
	pip install pyicu

loretoparisi / asyncio_python.py

Created April 18, 2019 15:44

Python Async Await with AsyncIO

	import asyncio
	async def demo():
	print("foo")
	await asyncio.sleep(5)
	return "bar"

	def main():
	loop = asyncio.new_event_loop()
	asyncio.set_event_loop(loop)
	result = loop.run_until_complete(demo())

loretoparisi / awscat.sh

Last active April 18, 2019 11:08

AWS CAT - Cat a file from Aws Bucket in Bash

loretoparisi / emoticons.js

Created April 17, 2019 18:19

Node.js JavaScript Emoticons text codes To Icons