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Python -O won’t magically make every script faster, but in the right workloads it’s a free win—here’s how to test it safely.

OpenAI is pitching GPT-5.3-Codex as a long-running “agent,” not just a code helper: The company says the model combines GPT-5.2-Codex coding strength with GPT-5.2 reasoning and professional knowledge, ...

Finding the right book can make a big difference, especially when you’re just starting out or trying to get better. We’ve ...