tils (page 5)
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Check routing tables quickly with netstat -nr
A quick tip to display—and actually **read**—your routing table with `netstat -nr`.
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Batch convert m4b to m4a with ffmpeg
Easily batch-convert .m4b audiobooks to .m4a for compatibility with apps like NotebookLM using ffmpeg on macOS.
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Easy Local DNS and SSL Certificates with sslip.io
Quickly get domain names for local IP addresses without editing hosts files or DNS
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Understanding Perplexity in Language Model Evaluation
A concise guide to perplexity metric, its calculation, and significance for LLMs.
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KL divergence and cross-entropy loss
How cross-entropy loss is just KL divergence in disguise—and when to use each.