npearce

UPDATE (March 2020, thanks @ic): I don't know the exact AMI version but yum install docker now works on the latest Amazon Linux 2. The instructions below may still be relevant depending on the vintage AMI you are using.

Amazon changed the install in Linux 2. One no-longer using 'yum' See: https://aws.amazon.com/amazon-linux-2/release-notes/

Docker CE Install

sudo amazon-linux-extras install docker
sudo service docker start

aunyks

from flask import Flask
from flask import request
import json
import requests
import hashlib as hasher
import datetime as date
node = Flask(__name__)

# Define what a Snakecoin block is
class Block:

TonyFrancis

from functools import wraps
from flask import Flask, g, session, request, abort, jsonify
from flask_migrate import MigrateCommand, Migrate
from flask_script import Manager
from flask_sqlalchemy import SQLAlchemy


flask_app = Flask(__name__, static_folder='./static')
db = SQLAlchemy()
migrate = Migrate()

danielgtaylor

Moving to ES6 from CoffeeScript

I fell in love with CoffeeScript a couple of years ago. Javascript has always seemed something of an interesting curiosity to me and I was happy to see the meteoric rise of Node.js, but coming from a background of Python I really preferred a cleaner syntax.

In any fast moving community it is inevitable that things will change, and so today we see a big shift toward ES6, the new version of Javascript. It incorporates a handful of the nicer features from CoffeeScript and is usable today through tools like Babel. Here are some of my thoughts and issues on moving away from CoffeeScript in favor of ES6.

While reading I suggest keeping open a tab to Babel's learning ES6 page. The examples there are great.

Punctuation

Holy punctuation, Batman! Say goodbye to your whitespace and hello to parenthesis, curly braces, and semicolons again. Even with the advanced ES6 syntax you'll find yourself writing a lot more punctuatio

mamiu

#!/bin/bash

std_install_dir="${HOME}/.toast/armed"

printf "The standard install directory is [${std_install_dir}].\nIf you want to change it, insert another directory: ${HOME}/"
read install_dir

if [[ "$install_dir" == "" ]]; then
        install_dir="$std_install_dir"
else

MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

paulwoods

jar {

	manifest {
		attributes "Implementation-Title": "Gradle Quickstart"
		attributes "Implementation-Version": version
		attributes "Main-Class" : "com.ti.specteam.programs.Application"
	}
	
	// remove the security files (from mail.jar / activation.jar) so that the jar will be executable.