kannaiah

#!/usr/bin/env bash

sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
sudo apt update

sudo update-alternatives --remove-all gcc
sudo update-alternatives --remove-all g++
sudo apt-get install -y gcc-4.8 g++-4.8 gcc-4.9 g++-4.9 gcc-5 g++-5 gcc-6 g++-6 gcc-7 g++-7

sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 10

kannaiah

"""
## Example Airflow Workflow (DAG)

Markdown docstrings are rendered in the Airflow UI!!!

"""
from airflow import DAG
from airflow.models import BaseOperator
from datetime import datetime, timedelta

kannaiah

apt-get clean && apt-get update && apt-get install -y \
    locales \
    language-pack-fi  \
    language-pack-en && \
    export LANGUAGE=en_US.UTF-8 && \
    export LANG=en_US.UTF-8 && \
    export LC_ALL=en_US.UTF-8 && \
    locale-gen en_US.UTF-8 && \
    dpkg-reconfigure locales

kannaiah

%matplotlib inline
import matplotlib.pyplot as plt
from matplotlib.path import Path
import matplotlib.patches as patches
width = 9
height = 3

def next_greater_power_of_2(x):  
    return 2**(x-1).bit_length()

kannaiah

#!/bin/bash
#####################################################
# Name: Bash CheatSheet for Mac OSX
# 
# A little overlook of the Bash basics
#
# Usage:
#
# Author: J. Le Coupanec
# Date: 2014/11/04

kannaiah

function getYahooPrice(symbol, datetime) {
  symbol = symbol || "NSE:PANACEABIO";
  // symbol = symbol.replace("NSE:", "") + ".NS";
  Utilities.sleep(Math.floor(Math.random() * 5000))
  var url = 'https://query1.finance.yahoo.com/v7/finance/download/'+ symbol + '?interval=1d&events=history'; // last one day history
  Logger.log(url);
  var response = UrlFetchApp.fetch(url, {muteHttpExceptions: true});
  if (response.getResponseCode()) {
    var textFile = response.getContentText();
    if (textFile.indexOf("Date") != -1) {