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-- Based on the original articel at http://www.codeproject.com/Articles/22824/A-Model-to-Represent-Directed-Acyclic-Graphs-DAG-o
-- Here is a port to MySQL

-- Edge table
DROP TABLE IF EXISTS `Edge`;
CREATE TABLE IF NOT EXISTS `Edge` (
  `id` int(11) NOT NULL,
  `entry_edge_id` int(11) DEFAULT NULL COMMENT 'The ID of the incoming edge to the start vertex that is the creation reason for this implied edge; direct edges contain the same value as the Id column',
  `direct_edge_id` int(11) DEFAULT NULL COMMENT 'The ID of the direct edge that caused the creation of this implied edge; direct edges contain the same value as the Id column',
  `exit_edge_id` int(11) DEFAULT NULL COMMENT 'The ID of the outgoing edge from the end vertex that is the creation reason for this implied edge; direct edges contain the same value as the Id column',

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const crypto = require('crypto');
const algorithm = 'aes-256-ctr';
let key = 'MySuperSecretKey';
key = crypto.createHash('sha256').update(String(key)).digest('base64').substr(0, 32);

const encrypt = (buffer) => {
    // Create an initialization vector
    const iv = crypto.randomBytes(16);
    // Create a new cipher using the algorithm, key, and iv
    const cipher = crypto.createCipheriv(algorithm, key, iv);

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var crypto = require('crypto'),
    algo = 'aes-256-cbc',
    key = 'super123secretKey!';

function encrypt(text){
  var cipher = crypto.createCipher(algo,key)
  var crypted = cipher.update(text,'utf8','hex')
  crypted += cipher.final('hex');
  return crypted;
}

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'use strict';

const crypto = require('crypto');
const ENC_KEY = "bf3c199c2470cb477d907b1e0917c17b"; // set random encryption key
const IV = "5183666c72eec9e4"; // set random initialisation vector
// ENC_KEY and IV can be generated as crypto.randomBytes(32).toString('hex');

const phrase = "who let the dogs out";

var encrypt = ((val) => {

AnthoniG

import 'package:flutter/widgets.dart';
import 'package:flutter_hooks/flutter_hooks.dart';

// adapted from https://stackoverflow.com/a/54173729/67655

class ExpandableSection extends HookWidget {
  const ExpandableSection({
    Key key,
    this.expanded = false,
    this.child,

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import 'package:flutter/material.dart';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Expanding Demo',
      theme: ThemeData(

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{
    "aliceblue",
    "antiquewhite",
    "aqua",
    "aquamarine",
    "azure",
    "beige",
    "bisque",
    "black",
    "blanchedalmond",

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# Load Gtk
import gi
gi.require_version('Gtk', '4.0')
from gi.repository import Gtk

# When the application is launched…
def on_activate(app):
    # … create a new window…
    win = Gtk.ApplicationWindow(application=app)
    # … with a button in it…

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#!/usr/bin/env python3

# Python imports
import sys

# GTK imports
import gi
gi.require_version("Gtk", "3.0")
from gi.repository import Gio
from gi.repository import Gtk

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"""
Hierarchy is:
- GtkMenuBar
 - GtkMenuItem
  - GtkMenu
   - GtkMenuItem
   - GtkImageMenuItem
   - GtkCheckMenuItem
   - GtkRadioMenuItem
   - GtkSeparatorMenuItem