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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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-- 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',

AnthoniG

Create React App does not provide watching build mode oficially (#1070).

This script provides watching build mode for an external tool such as Chrome Extensions or Firebase app.

How to Use

Create a React app.

Put the script into scripts/watch.js.

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package main

import (
	"crypto/aes"
	"crypto/cipher"
	"crypto/rand"
	"fmt"
	"io"
	"io/ioutil"
	"os"

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package main

import (
	"bytes"
	"fmt"
	"os/exec"
	"strings"
)

func main() {

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import type { V2_HtmlMetaDescriptor, V2_MetaFunction } from "@remix-run/node";

export const mergeMeta = (
  overrideFn: V2_MetaFunction,
  appendFn?: V2_MetaFunction,
): V2_MetaFunction => {
  return arg => {
    // get meta from parent routes
    let mergedMeta = arg.matches.reduce((acc, match) => {
      return acc.concat(match.meta || []);

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"""
Reworked code based on
http://trevorius.com/scrapbook/uncategorized/pyqt-custom-abstractitemmodel/

Adapted to Qt5 and fixed column/row bug.

TODO: handle changing data.
"""

import sys

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#!/usr/bin/env python
"""
Refs: 
"[Maya-Python] Customized display of files/folders in a QTreeView that is using QFileSystemModel."
https://groups.google.com/d/topic/python_inside_maya/TaFm2yNToJ8/discussion
"""

from PySide import QtCore, QtGui

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from PySide6 import QtCore

class TreeItem:
    def __init__(self, data, parent=None):
        self.parent_item = parent
        self.item_data = data
        self.child_items = []

    def appendChild(self, item):
        self.child_items.append(item)

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from PySide6 import QtWidgets
import sys

from tests.test_tree import TreeModel

class TreeWindow(QtWidgets.QMainWindow):
    def __init__(self):
        super().__init__()

        self.tree_view = QtWidgets.QTreeView()