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// try here http://pdfmake.org/playground.html

var dd = {
  content: [
    {
      columns: [
        {
          image:
            'data:image/png;base64,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

siteslave

Installing Python 3.7 from source on Ubuntu 18.04

# update system
sudo apt update && sudo apt upgrade -y

# install build tools and python prerequisites
sudo apt install build-essential libssl-dev zlib1g-dev libncurses5-dev libncursesw5-dev libreadline-dev libsqlite3-dev libgdbm-dev libdb5.3-dev libbz2-dev libexpat1-dev liblzma-dev tk-dev libffi-dev

# download and extract python

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# install
mkdir ~/airflow
cd ~/airflow
pip install airflow
# Have a look here if you need additional packages: https://airflow.incubator.apache.org/installation.html

# setup mysql backend as given here. The default SQLite is not adequate for some workloads.
# http://site.clairvoyantsoft.com/installing-and-configuring-apache-airflow/
 
# start services

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import 'dart:math';
import 'package:flutter/material.dart';

MaterialColor generateMaterialColor(Color color) {
  return MaterialColor(color.value, {
    50: tintColor(color, 0.5),
    100: tintColor(color, 0.4),
    200: tintColor(color, 0.3),
    300: tintColor(color, 0.2),
    400: tintColor(color, 0.1),

siteslave

var crypto = require('crypto');

var SaltLength = 9;

function createHash(password) {
  var salt = generateSalt(SaltLength);
  var hash = md5(password + salt);
  return salt + hash;
}

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import 'dart:convert';
import 'dart:math';
import 'dart:typed_data';
import 'package:crypto/crypto.dart';
import 'package:tuple/tuple.dart';
import 'package:encrypt/encrypt.dart' as encrypt;

String encryptAESCryptoJS(String plainText, String passphrase) {
  try {
    final salt = genRandomWithNonZero(8);

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const crypto = require('crypto');
const fs = require('fs');
const path = require('path');
const zlib = require('zlib');

const getCipherKey = require('./getCipherKey');

function decrypt({ file, password }) {
  // First, get the initialization vector from the file.
  const readInitVect = fs.createReadStream(file, { end: 15 });

siteslave

// Part of https://github.com/chris-rock/node-crypto-examples

// Nodejs encryption of buffers
var crypto = require('crypto'),
    algorithm = 'aes-256-ctr',
    password = 'd6F3Efeq';

var fs = require('fs');
var zlib = require('zlib');

siteslave

const crypto = require('crypto');
const fs = require('fs');
const path = require('path');
const zlib = require('zlib');

const AppendInitVect = require('./appendInitVect');
const getCipherKey = require('./getCipherKey');

function encrypt({ file, password }) {
  // Generate a secure, pseudo random initialization vector.

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//http://www.hacksparrow.com/base64-encoding-decoding-in-node-js.html
var fs = require('fs');

// function to encode file data to base64 encoded string
function base64_encode(file) {
    // read binary data
    var bitmap = fs.readFileSync(file);
    // convert binary data to base64 encoded string
    return new Buffer(bitmap).toString('base64');
}