ferromir

use std::collections::HashMap;
use std::future::Future;
use std::pin::Pin;
use std::sync::Arc;
use std::time::{Duration, Instant, SystemTime};
use async_trait::async_trait;
use serde::{Deserialize, Serialize};
use serde_json::Value;
use tokio::time::sleep;
use anyhow::{Result, anyhow};

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import scala.concurrent.{Future, Promise, ExecutionContext}
import scala.concurrent.duration._
import scala.util.{Success, Failure, Try}
import java.time.{Instant, Duration => JDuration}
import scala.collection.mutable.Map

object Workflow {
  val DEFAULT_MAX_FAILURES = 3
  val DEFAULT_TIMEOUT_MS = 60000 // 1m
  val DEFAULT_POLL_MS = 1000 // 1s

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from typing import Dict, List, Callable, Any, TypeVar, Optional, Union, Mapping
from enum import Enum
from datetime import datetime, timedelta
import json
import asyncio
import time

DEFAULT_MAX_FAILURES = 3
DEFAULT_TIMEOUT_MS = 60_000  # 1m
DEFAULT_POLL_MS = 1_000  # 1s

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package workflow

import (
	"encoding/json"
	"errors"
	"fmt"
	"time"
)

const (

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version: "3.8"

services:
  mongo:
    image: mongo:5.0.11
    container_name: "mongo"
    command: --replSet rs
    volumes:
      - mongo-data:/data/db
    ports:

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{
    "meta": {
        "theme": "macchiato"
    },
    "basics":{
      "name":"Fernando Romero",
      "label":"Software Engineer/Architect",
      "url":"https://www.linkedin.com/in/fernando-romero-miranda/",
      "summary":"Software Engineer/Architect with more than 16 years of experience in the industry in a wide range of programming languages, frameworks and technologies. Specialized in design, development and delivery of scalable, reliable and maintainable systems.",
      "location":{

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Problem: Implement an algorithim to compress strins such as

aaaabbccccccccdddedaaa
4a2b8c3d1e1d3a


Fernando's solution: pseudocode

compress(s string) {

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---
- hosts: all
  sudo: true
  vars:
    mongodb_version: 3.0.7
  tasks:
    - name: MongoDB | Import the public key used by the package management system
      apt_key: keyserver=keyserver.ubuntu.com id=7F0CEB10
    - name: MongoDB | Create a list file
      lineinfile: dest=/etc/apt/sources.list.d/mongodb-org-3.0.list line="deb http://repo.mongodb.org/apt/ubuntu precise/mongodb-org/3.0 multiverse" state=present create=yes

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// Bad

public int processFile(String fileName)
                       throws IOException, FileNotFoundException {
  FileInputStream stream = new FileInputStream(fileName);
  BufferedReader bufRead =
      new BufferedReader(new InputStreamReader(stream));
  String line;
  while ((line = bufRead.readLine()) != null) {
    sendLine(line);

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// Insecure code
String query = "SELECT account_balance FROM user_data WHERE user_name = " + request.getParameter("customerName");
ResultSet results = statement.executeQuery( query );

// Defense using prepared statements
String custname = request.getParameter("customerName"); // This should REALLY be validated too
// perform input validation to detect attacks
String query = "SELECT account_balance FROM user_data WHERE user_name = ? ";

PreparedStatement pstmt = connection.prepareStatement( query );