JialunC

/**
 * Write a description of class Permutations here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class Permutations
{
    // instance variables - replace the example below with your own

JialunC

---
title: "cind110_Assignment_02"
author: "Write your name here"
due: "March 13, 2020"
output:
  html_document:
    df_print: paged
  pdf_document: default
  word_document: default
---

JialunC

CREATE DATABASE  IF NOT EXISTS `LibraryDB` /*!40100 DEFAULT CHARACTER SET latin1 */;
USE `LibraryDB`;
-- MySQL dump 10.13  Distrib 8.0.17, for macos10.14 (x86_64)
--
-- Host: localhost    Database: LibraryDB
-- ------------------------------------------------------
-- Server version	5.7.17

/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;

JialunC

CREATE DATABASE  IF NOT EXISTS `LibraryDB` /*!40100 DEFAULT CHARACTER SET latin1 */;
USE `LibraryDB`;
-- MySQL dump 10.13  Distrib 8.0.17, for macos10.14 (x86_64)
--
-- Host: localhost    Database: LibraryDB
-- ------------------------------------------------------
-- Server version	5.7.17

/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;

JialunC

!J INC:0001438823:
#1 A LIFESAFER HOLDINGS, INC.:0001509607:
#1 ARIZONA DISCOUNT PROPERTIES LLC:0001457512:
#1 PAINTBALL CORP:0001433777:
$ LLC:0001427189:
ZZX, LLC:0001691924:
ZZYZX ZZAZX ZZOZX INC:0001184274:
ZZZ MEDIA HOLDINGS, INC.:0001755250:

JialunC

// this is a sync-demo
fs = require('fs')

data = fs.readdirSync('c:/')

console.log(data)
console.log('this is the data')

// this is a async-demo
fs = require('fs')

JialunC

import request
import numpy as np
import time
import json

todaysdate = time.strftime("%Y-%m-%d-%H-%M")
lat_list = list(np.arange(43.639613, 43.726960, 0.01))
lng_list = list(np.arange(-79.343137, -79.458181, -0.01))
data = dict()
for lat in lat_list:

JialunC

import requests as r
import config

def find_bikes(lat,lng):
  result = dict()
  endpoint = "https://dropbikeadminapi.herokuapp.com/v1/bikes_nearby"
  data = {"lat":lat,"lng":lng}
  headers = {"Authorization":config.drop_bike_token,'Content-Type':'application/json','User-Agent':'dropbike/1.9.5 (iPhone; iOS 11.2; Scale/2.00)','Accept-Encoding': 'br, gzip, deflate','X-Dropbike-Platform':'iOS','X-Dropbike-Version':'1.9.5'}
  # if SSLError: ("bad handshake: Error([('SSL routines', 'SSL23_GET_SERVER_HELLO', 'sslv3 alert handshake failure')],)",) occurs
  # uncomment the following line

JialunC

import asyncio
import aiohttp
# import json
import aiofiles
import config 

async def store_json_2(symbol):
  print(f'============downloading {symbol} json data ============')
  payload = {
    'function': 'TIME_SERIES_DAILY_ADJUSTED',

JialunC

import asyncio
import aiohttp
import json
# import aiofiles
import config 

# ============== async function 1 ===============
async def store_json_1(symbol):
  print(f'============downloading {symbol} json data ============')
  payload = {