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Get hand-picked daily summaries of the best, most informative programming articles from around the web. Browse recent summaries, then jump to the original source when you want the full article.

Latest storySep 4, 2025

Build a Reasoning LLM using GRPO

Group Relative Policy Optimization (GRPO) enhances language models' reasoning abilities without labeled data. This reinforcement learning method generates multiple responses, assigns rewards using deterministic functions, and updates the model through backpropagation. It adds reasoning-focused prompts, evaluates responses with format and accuracy-checking reward functions, and applies GRPO loss functions. The...

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PHP is 30

PHP, launched 30 years ago as Personal Home Page Tools, transformed web development by making it accessible to beginners. Originally designed as a templating system for Apache web server—not a programming language—it allowed...

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