RainJayTsai’s gists

RainJayTsai / async-await.js

Created May 31, 2018 01:29 — forked from wesbos/async-await.js

Simple Async/Await Example

	// 🔥 Node 7.6 has async/await! Here is a quick run down on how async/await works

	const axios = require('axios'); // promised based requests - like fetch()

	function getCoffee() {
	return new Promise(resolve => {
	setTimeout(() => resolve('☕'), 2000); // it takes 2 seconds to make coffee
	});
	}

RainJayTsai / download-file.js

Created June 12, 2018 02:36 — forked from javilobo8/download-file.js

Download files with AJAX (axios)

	axios({
	url: 'http://localhost:5000/static/example.pdf',
	method: 'GET',
	responseType: 'blob', // important
	}).then((response) => {
	const url = window.URL.createObjectURL(new Blob([response.data]));
	const link = document.createElement('a');
	link.href = url;
	link.setAttribute('download', 'file.pdf');
	document.body.appendChild(link);

RainJayTsai / async_worker_pool.py

Created August 22, 2018 06:40 — forked from thehesiod/async_worker_pool.py

Asynchronous Worker Pool, allows for limiting number of concurrent tasks

	import asyncio
	from datetime import datetime, timezone
	import os

	def utc_now():
	# utcnow returns a naive datetime, so we have to set the timezone manually <sigh>
	return datetime.utcnow().replace(tzinfo=timezone.utc)

	class Terminator:
	pass

RainJayTsai / _aiojob.py

Created October 22, 2018 08:16

python aiojob wrapper for sanic

	#!/usr/bin/env python3
	# -- coding: utf-8 --
	from aiojobs import create_scheduler


	def get_scheduler_from_app(app):
	return app.AIOJOBS_SCHEDULER


	def get_scheduler(request):

RainJayTsai / mongo_.py

Created December 7, 2018 02:50

fast dump mongo collection to memory, using ProcessPoolExecutor multiprocess

	#!/usr/bin/env python3
	# -- coding: utf-8 --
	import bson
	from typing import Callable, Optional
	import concurrent.futures as cf

	from pymongo.collection import Collection


	def decode(data: bytes, callback: Callable[[list], None]):

RainJayTsai / coll_counts.py

Created December 7, 2018 02:56

fast_read_big_mongo_collection_doc_counts

	from pymongo import MongoClient

	client = MongoClient('IP')
	db = client['DB']
	collection_name = 'your_full_collectaion_name'

	resp = db.command('collstats',collection_name)
	print(resp.get('count')

RainJayTsai / http_echo_and_proxy_server.py

Created January 4, 2019 08:10 — forked from pomack/http_echo_and_proxy_server.py

A simple python HTTP server that either serves as a proxy or as an echo server. If working as an echo server, it outputs the headers and body into log output and to the client, which is useful when debugging a reverse proxy or caching server to see what is being sent. If working as a proxy server, it outputs what the request headers will be to t…

	#!/usr/bin/env python

	from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
	import StringIO
	import argparse
	import logging
	import os
	import random
	import sys
	import urllib2

RainJayTsai / server.py

Created January 4, 2019 08:10 — forked from scturtle/server.py

python socks5 proxy server with asyncio (async/await)

	#!/usr/bin/env python3.5
	import socket
	import asyncio
	from struct import pack, unpack


	class Client(asyncio.Protocol):
	def connection_made(self, transport):
	self.transport = transport
	self.server_transport = None

RainJayTsai / gmmhmm.py

Created February 20, 2019 06:29 — forked from kastnerkyle/gmmhmm.py

GMM-HMM (Hidden markov model with Gaussian mixture emissions) implementation for speech recognition and other uses

	# (C) Kyle Kastner, June 2014
	# License: BSD 3 clause

	import scipy.stats as st
	import numpy as np

	class gmmhmm:
	#This class converted with modifications from https://code.google.com/p/hmm-speech-recognition/source/browse/Word.m
	def __init__(self, n_states):
	self.n_states = n_states

RainJayTsai / compress.py

Created March 18, 2019 03:45

python sanic compress

	#!/usr/bin/env python3
	# -- coding: utf-8 --

	### fork from https://github.com/subyraman/sanic_compress

	import gzip

	DEFAULT_MIME_TYPES = frozenset([
	'text/html', 'text/css', 'text/xml',
	'application/json',

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