Christophe Soares

Excerto de CienciaVivaUFP2026/day1/robot_kit.py

def andar_frente(segundos, velocidade=VELOCIDADE_PADRAO):
    """
    Anda em frente, em linha reta, durante 'segundos'.
    Exemplo: robot.andar_frente(1.5)
    """
    _car.steering = _val_steering(0.0)
    _car.throttle = _val_throttle(velocidade)
    time.sleep(segundos)
    parar()

Excerto de ReactClockSession/src/App.js

handleVisits = (event) => {
  let visits = this.state.visits;
  if (event.target.name === "plus") {
    visits++;
    this.setState({ visits: visits });
  } else if (this.state.visits > 0) {
    visits--;
    this.setState({ visits: visits });
  }
  sessionStorage.setItem("visits", visits);
};

Excerto de MicroServicesDemo/docker-compose.yml

  auth-service:
    build: ./auth-service
    environment:
      DB_HOST: postgres
      DB_NAME: auth_db
      JWT_SECRET: supersecretkey-change-in-production   # teaching moment: don't hardcode secrets
      PORT: "8001"
    networks:
      - demo-net

Excerto de MicroFrontend/shell/webpack.config.js

new ModuleFederationPlugin({
  name: 'shell',
  remotes: {
    appA: 'appA@http://localhost:3001/remoteEntry.js',
    appB: 'appB@http://localhost:3002/remoteEntry.js',
    appC: 'appC@http://localhost:3003/remoteEntry.js',
  },
})

Excerto de EmergencySimulation/app.js

// Generate random triage level
const generateTriageLevel = () => {
    const rand = Math.random();
    if (rand < 0.05) return 'RED';
    if (rand < 0.15) return 'ORANGE';
    if (rand < 0.40) return 'YELLOW';
    if (rand < 0.75) return 'GREEN';
    return 'BLUE';
};

Excerto de ArtificialIntelligenceGame/app.js

const detections = await faceapi
    .detectSingleFace(video, new faceapi.TinyFaceDetectorOptions({
        inputSize: 416,
        scoreThreshold: 0.3
    }))
    .withFaceLandmarks()
    .withFaceExpressions();

Excerto de JavaHibernateFundamentals/model/Student.java

@OneToMany(mappedBy = "student", cascade = CascadeType.ALL, fetch = FetchType.LAZY)
private List<Enrollment> enrollments = new ArrayList<>();

@ManyToMany(fetch = FetchType.LAZY)
@JoinTable(
    name = "student_courses",
    joinColumns = @JoinColumn(name = "student_id"),
    inverseJoinColumns = @JoinColumn(name = "course_id")
)
private Set<Course> courses = new HashSet<>();

Excerto de JavaHibernateFormation/repository/UserRepository.java

@EntityGraph(value = "User.withDepartment", type = EntityGraph.EntityGraphType.FETCH)
@Query("SELECT u FROM User u WHERE u.id = :id")
Optional<User> findByIdWithDepartment(@Param("id") Long id);

@Query("SELECT u FROM User u JOIN FETCH u.department d WHERE u.email = :email")
Optional<User> findByEmailWithDepartment(@Param("email") String email);

Excerto de React-simple-test-component/__tests__/TodoItem.test.jsx

// Mock the TodoContext module
vi.mock('../../context/TodoContext', () => ({
  useTodoContext: () => ({
    toggleTodo: vi.fn(),  // Mock for toggling todo completion status
    deleteTodo: vi.fn(),  // Mock for deleting a todo
    editTodo: vi.fn()     // Mock for editing a todo's text
  }),
  TodoProvider: ({ children }) => children
}));

Excerto de react-google-signin/src/App.tsx

function App() {
  return (
    <GoogleOAuthProvider clientId={process.env.REACT_APP_GOOGLE_CLIENT_ID || ''}>
      <div className="App">
        <header className="App-header">
          <h1>React Google Sign-in</h1>
          <GoogleButton />
        </header>
      </div>
    </GoogleOAuthProvider>
  );
}