PsycheShaman

require(keras)

require(tensorflow)

K <- keras::backend()

# Custom Focal Loss

focalLoss <- function(gamma=2., alpha=.25){
  

PsycheShaman

import boto3
import io
import zipfile

def unzip_s3_source_data(
    s3_source_bucket: str,
    s3_source_folder: str,
    s3_destination_folder: str
    ) -> None:
    """

PsycheShaman

import pandas as pd

def set_pd_display():
  pd.set_option('display.max_rows', None)
  pd.set_option('display.max_columns', None)
  pd.set_option('display.width', None)
  pd.set_option('display.max_colwidth', None)

PsycheShaman

select city_name, current_date, get_weather_udf(city_name)
from cities;

PsycheShaman

CREATE OR REPLACE EXTERNAL FUNCTION get_weather_udf (city varchar)
RETURNS varchar STABLE
LAMBDA 'my-function'
IAM_ROLE '<Role ARN>';

PsycheShaman

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "Invoke",
            "Effect": "Allow",
            "Action": [
                "lambda:InvokeFunction"
            ],
            "Resource": "arn:aws:lambda:us-west-2:123456789012:function:my-function"

PsycheShaman

import http.client
from geopy.geocoders import Nominatim
import json

def geo_code(city):
    geo_locator = Nominatim(user_agent="medium_article_example")
    location = geo_locator.geocode(city)
    print(location.latitude, location.longitude)
    return (location.latitude, location.longitude)

PsycheShaman

create table cities (city_name varchar);

insert into dev.public.cities
(city_name)
values ('Cape Town'),('Pretoria'),('Johannesburg'),('Bloemfontein');

PsycheShaman

# Make sure to modify this code to point to your actual domain. Also double-check the names of the certificates before running this.
# Lastly, be careful with su, but you already know that ;)
sudo su
cp -r /etc/letsencrypt/archive/yourdomain.com /etc/presto
cd /etc/presto
touch prestocert.pem
cat fullchain.pem >> prestocert.pem
cat privkey.pem >> prestocert.pem
chmod 644 prestocert.pem
exit

PsycheShaman

sudo apt-get install apache2-utils
htpasswd -B -C 10 password.db newusername

# To verify that the password was created correctly, you can run:
htpasswd -v password.db newusername