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Create Repository

Create public repository in current directory and view to the browser.

git init && gh repo create -y --public && gh repo view -w

Create private repository in current directory and view to the browser.

git init && gh repo create -y --private && gh repo view -w

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Dash Plotly

Tutorial

• https://hackersandslackers.com/plotly-dash-with-flask/
• https://www.datacamp.com/community/tutorials/learn-build-dash-python

Example

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Create Credentials Jupyter Notebook

import json

cred = {
  'GOOGLE_KEY': 'secret',
  'FACEBOOK_KEY': 'secret'
}

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Random Sample

import random 

cars = ['Innova Venturer', 'Nissan Leaf', 'Camry Hybrid', 'Seri 7', 'Porsche Boxter', 'Tesla 3', 
        'Alphard', 'X4', 'Seri 6', 'C200 coupe']

random = random.sample(range(len(cars)), 2)

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Stocks Data

import pandas_datareader as pdr
import datetime 

def get(tickers, startdate, enddate):
  def data(ticker):
 return (pdr.get_data_yahoo(ticker, start=startdate, end=enddate))

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Mac Command

• Membuka hidden files SHIFT+CMD+TITIK

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Python Decorators

Sometimes you can just write a function or method or class and be done with it. But sometimes you find that you need to wrap your functions or methods or classes in some sort of new behavior. And since you're a good programmer, you don't want to change every function in the same way over and over again. That's not DRY or a good use of your time! Well, when that happens, you just might need a decorator.

Example

Nested function:

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Install Kaggle API

Error

jovyan@3825ba6d1a66:~$ kaggle
Traceback (most recent call last):
  File "/opt/conda/bin/kaggle", line 6, in <module>
    from kaggle.cli import main

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Twitter listener code

class MyStreamListener(tweepy.StreamListener):
    def __init__(self, api=None):
        super(MyStreamListener, self).__init__()
        self.num_tweets = 0
        self.file = open("tweets.txt", "w")

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Running Startup Scripts

1. Masuk ke VM Kemudian Pilih Edit
2. Pada Custom metadata, Klik Add item.
3. Tambahkan startup script berikut:
   • Pada kolom key input startup-script dan value misalnya docker start container
   • Bisa juga menggunakan Cloud Storage: Pada kolom key input startup-script-url

https://cloud.google.com/compute/docs/startupscript