claude-opus-4-5 · vision · extended thinking · tool use
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function debounce(fn, ms) { let t; return (...args) => { clearTimeout(t); t = setTimeout(() => fn(...args), ms); }; }
Design a URL shortener service like bit.ly that handles 10B URLs and 100K requests/second.
app.post('/login', (req, res) => { const query = `SELECT * FROM users WHERE username = '${req.body.username}'`; db.query(query, ...) })
https://github.com/vercel/next.js
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