mattrasband

#!/usr/bin/env python3
import collections
import concurrent.futures
import json
import os
import pathlib
import re

import requests

mattrasband

#!/usr/bin/env bash

# You need to set some vars somewhere:
# SECURTITY_GROUP=<your_security_group_id>
# on mac you need to enable running the `at` command:
# $ sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.atrun.plist

current_ip=$(curl -s http://checkip.amazonaws.com/)

echo "Current IP: ${current_ip}"

mattrasband

@Service
@Slf4j
public class UserService {
    private final ApplicationEventPublisher applicationEventPublisher;
    private final UserRepository userRepository;

    UserService(ApplicationEventPublisher applicationEventPublisher,
                UserRepository userRepository) {
        this.applicationEventPublisher = applicationEventPublisher;
        this.userRepository = userRepository;

mattrasband

#!/usr/bin/env python3.6
import asyncio
import aioamqp

async def main(loop=None):
    if loop is None:
        loop = asyncio.get_event_loop()

    transport, protocol = await aioamqp.connect()
    channel = await protocol.channel()

mattrasband

@Service
public class MyWorker {
  @RabbitListener(bindings = 
                  @QueueBinding(value = @Queue(
                    value = "${spring.application.name}.worker.my_job",
                    durable = "false",
                    // ensure that the message expires in some reasonable period,
                    // a safe number is 1/2 the time between events
                    arguments = {
                      @Argument(name = "x-message-ttl",

mattrasband

ticktock:                                                                          
  scheduler:                                                                       
    cron:                                                                          
      "0 * * * * *": "cron.minute.1"                                               
      "0 */5 * * * *": "cron.minute.5"                                             
      "0 */2 * * * *": "cron.minute.2"                                             
      "0 */10 * * * *": "cron.minute.10"                                           
      "0 */15 * * * *": "cron.minute.15"                                           
      "0 */30 * * * *": "cron.minute.30"                                           
      "0 */45 * * * *": "cron.minute.45"                                           

mattrasband

"""
Naive implementation of an iterable queue in asyncio
"""
#!/usr/bin/env python3

import asyncio


class Queue(asyncio.Queue):
    async def __aiter__(self):

mattrasband

import asyncio

async def func_two():
    await asyncio.sleep(2.5)
    raise RuntimeError

async def func_one():
    try:
        await func_two()
    except RuntimeError as e:

mattrasband

import asyncio

def long_running_system_task():
    import time
    print('starting background task')
    # Normally this would block the event loop, but it's okay
    # when called in another thread with an executor :)
    time.sleep(3)
    return 'finished tasks'

mattrasband

import asyncio

@asyncio.coroutine
def first_async_function():
    yield from asyncio.sleep(2.5)
    return 'Result found!'


async def new_async_function():
    res = await first_async_function()