What hypervisor does EC2 use?
- Nitro (was 'Xen')
What are the different virtualization types?
- HVM
- PV
import json | |
import sys | |
import elasticsearch | |
def send_to_es(payload, _id, list_name): | |
es = elasticsearch.Elasticsearch() | |
es.index(index=list_name, doc_type='item', id=_id, body=payload) | |
import re | |
from hypothesis import given, strategies as st | |
EMAIL_REGEX = re.compile(r'[a-zA-Z0-9_.-]+@[a-zA-Z0-9-]+.[a-zA-Z0-9-.]+') | |
def validate_email(email): | |
""" Validates an email address""" | |
if EMAIL_REGEX.match(email): |
<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<title>Maths Group - Negative Numbers</title> | |
<style> | |
.header-body { | |
width: 100%; | |
height: 100%; | |
text-align: center; |
extern crate sqlite; | |
use std::fs::File; | |
use std::io::{BufRead, BufReader}; | |
fn db_connection(db_name: &String) -> sqlite::Connection { | |
let connection = sqlite::open(db_name).unwrap(); | |
connection.execute("CREATE TABLE teas (name text, variety text, last_used date)").unwrap(); |
// Fahrenheit to Celsius | |
// (F - 32) * (5/9) = C | |
use std::io; | |
fn main() { | |
let mut input = String::new(); | |
io::stdin().read_line(&mut input).unwrap(); |
FROM alpine:latest | |
RUN apk add --update \ | |
python3 \ | |
python3-dev \ | |
python-dev \ | |
py-pip \ | |
build-base \ | |
bash \ | |
py3-psycopg2 \ | |
gcc musl-dev postgresql-dev \ |
def download_file(file_location, output_filename='file.json'): | |
handle = urlopen(file_location) | |
with open('temp.gz', 'wb') as out: | |
while True: | |
data = handle.read(1024) | |
if len(data) == 0: | |
break | |
out.write(data) |
""" | |
Create a tic-tac-toe board of 'n' width and height. | |
""" | |
import os | |
import sys | |
from typing import List | |
import numpy as np | |
""" | |
Usage: | |
python sync_db.py | |
""" | |
import os | |
import sys | |
import json | |
import psycopg2 |