function fibonacci(n) {
if (n <= 1) return n;
return fibonacci(n-1) + fibonacci(n-2);
}
class User {
constructor(name) {
this.name = name;
}
greet() {
console.log(`Hello, ${this.name}!`);
}
}
const data = [1, 2, 3];
const doubled = data.map(x => x * 2);
def quicksort(arr):
if len(arr) <= 1:
return arr
pivot = arr[len(arr) // 2]
left = [x for x in arr if x < pivot]
middle = [x for x in arr if x == pivot]
right = [x for x in arr if x > pivot]
return quicksort(left) + middle + quicksort(right)
const Counter = () => {
const [count, setCount] = useState(0);
return (
<div>
<button onClick={() => setCount(count + 1)}>
Clicked {count} times
</button>
</div>
);
};
SELECT users.name, orders.total
FROM users
JOIN orders ON users.id = orders.user_id
WHERE orders.date > NOW() - INTERVAL '7 days'
ORDER BY orders.total DESC;