nguyendv

// Generators are denoted using `function*` syntax
const myGenerator = function* () {
    console.log("a");
}

const iterator = myGenerator();
iterator.next(); // execute the generator's body, which displays "a"

// a generator that generates numbers
const numberGenerator = function* () {

nguyendv

Keybase proof

I hereby claim:

• I am nguyendv on github.
• I am dvnguyen (https://keybase.io/dvnguyen) on keybase.
• I have a public key ASBse3cu58LtPrbtHJgEZgDbg3ZAZmVE0oIRLDHo8NPwVgo

To claim this, I am signing this object:

nguyendv

import time, asyncio

def stuff(arg1, arg2):
  # Doing IO
  pass

async def async_stuff():
  loop = asyncio.get_event_loop() # get the default event loop
  loop.run_in_executor(None, stuff, param1, param2)
  

nguyendv

import logging
from logging.handlers import RotatingFileHandler

def setup_logger():
  MAX_BYTES = 10000000 # Maximum size for a log file
  BACKUP_COUNT = 9 # Maximum number of old log files
  
  # The name should be unique, so you can get in in other places
  # by calling `logger = logging.getLogger('com.dvnguyen.logger.example')
  logger = logging.getLogger('com.dvnguyen.logger.example') 

nguyendv

@pytest.fixture
def db_conn():
    psycopg2.connect("dbname=test user=postgres")
    yield conn
    # start cleaning up
    conn.close()
    
def test_foo(db_conn):
    result = db_conn.execute(a_sql_statement)
    assert result == expected_value

nguyendv

@pytest.fixture
def db_conn():
    conn = psycopg2.connect("dbname=test user=postgres")
    return conn
    
def test_foo(db_conn):
    result = db_conn.execute(a_sql_statement)
    assert result == expected_value

nguyendv

class Car {
  private var color: Color
  init { ... }
}

nguyendv

# Terminate instance
instance = ec2.Instance(instances_id)
instance.terminate()

# delete sec group
sec_group2 = ec2.SecurityGroup(sec_group_id)
sec_group2.delete()

# delete subnet
subnet2 = ec2.Subnet(subnet_id)

nguyendv

import boto3

# http://boto3.readthedocs.io/en/latest/reference/services/ec2.html#service-resource

ec2 = boto3.resource('ec2', aws_access_key_id='AWS_ACCESS_KEY_ID',
                     aws_secret_access_key='AWS_SECRET_ACCESS_KEY',
                     region_name='us-west-2')

# create VPC
vpc = ec2.create_vpc(CidrBlock='192.168.0.0/16')