icehongssii

version: '3.8'

services:
  mysql:
    image: mysql:8.0
    environment:
      MYSQL_DATABASE: test
      MYSQL_USER: test
      MYSQL_PASSWORD: test
      MYSQL_ROOT_PASSWORD: test

icehongssii

-- how to model threaded comments (e.g. reddit comments) in SQL with a simple 'ancestors' column

-- The comment tree:
--          [1]
--         /    \
--       [2]    [4]
--      /   \      \
--    [3]   [7]    [6]
--   /
-- [5]

icehongssii

Bash Environment Example with SSM to get Parameter Values using GetParameter:

IAM Policy:

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "Stmt1517398919242",

icehongssii

import tensorflow as tf

x_train = [1,2,3]
y_train = [1,2,3]

# H(x) = Wx+b 

W = tf.Variable(tf.random_normal([1]), name="weight")
b = tf.Variable(tf.random_normal([1]), name="bias")

icehongssii

import websocket
import requests
import json

# 중요한 값은 상수사용합니다.
SYMBOL_LIST_ENDPOINT = "https://www.bitmex.com/api/v1/instrument/active"
ENDPOINT = 'wss://www.bitmex.com/realtime'

def sendRequest(url):
    res = requests.get(url)

icehongssii

import requests
import json 

def sendRequest(url):
  res = requests.get(url)
  contents = res.content.decode('utf-8') 
  # python2에서는 contents = res.content만 적어도 됩니다.
  # python2에서는 res.content가 string으로 오지만
  # python3에서는 byte로 오기 때문에 디코딩이 필요합니다.
  

icehongssii

import requests
import json

def sendRequest(url):
  res = requests.get(url)
  contents = res.content.decode('utf-8') 
  # python2에서는 contents = res.content만 적어도 됩니다.
  # python2에서는 res.content가 string으로 오지만
  # python3에서는 byte로 오기 때문에 디코딩이 필요합니다.
  

icehongssii

import websocket

def on_message(ws, message):
    print(message)

def on_error(ws, error):
    print(error)

def on_close(ws):
    print("### closed ###")

icehongssii

# PRECISION = "s"
# MEASUREMENT = "candlesticks"
# EXCHANGE = "bitmex"
#
# SUBSCRIPTION_DICT = {"op":"subscribe", "args":'tradeBin1m:{}'}
# PAIR_URL = "https://www.bitmex.com/api/v1/instrument/active"
# WEBSOCK_URL = "wss://www.bitmex.com/realtime?subscribe=tradeBin1m:XBTUSD"
# TYPE = "SPOT"

import websocket

icehongssii

async function f() {

  let promise = new Promise((resolve, reject) => {
    setTimeout(() => resolve("done!"), 1000)
  });

  let result = await promise; // wait till the promise resolves (*)

  alert(result); // "done!"
}