import java.util.*;
import java.util.stream.*;
import com.example.service.*;

@SpringBootApplication
public class App {
  private final Service svc;

  public App(Service svc) {
    this.svc = svc;
  }

  public Result run() {
    var data = svc.fetch();
    return process(data);
  }
}

import pandas as pd
from sklearn.model import Model

def analyze(dataset):
    model = Model(
        layers=[128, 64, 32],
        activation='relu'
    )
    model.fit(dataset)
    predictions = model.predict()
    return predictions

if __name__ == '__main__':
    data = pd.read_csv('data.csv')
    result = analyze(data)
    print(result.summary())

const express = require('express');
const { Pool } = require('pg');

const app = express();
const db = new Pool({
  host: 'localhost',
  database: 'app_db'
});

app.use(express.json());

app.get('/api/data', async () => {
  const result = await db.query(
    'SELECT * FROM projects'
  );
  return result.rows;
});

SELECT u.name, p.title,
  COUNT(t.id) AS tasks
FROM users u
JOIN projects p
  ON p.owner_id = u.id
LEFT JOIN tasks t
  ON t.project_id = p.id
WHERE u.active = TRUE
GROUP BY u.name, p.title
HAVING COUNT(t.id) > 0
ORDER BY tasks DESC
LIMIT 100;