eBPF - Learn eBPF Tracing for Linux application performance

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extended Berkeley Packet Filter
Linux application performance tracing tool

http://www.brendangregg.com/blog/2019-01-01/learn-ebpf-tracing.html

Java - JFR create a new configuration from existing one

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Creating a new custom(custom.jfc) JFR configuration from the existing profile.jfc

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Nice example how Javascript can have a unit test with fetch call by mocking.

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Signal will be standard in JavaScript?

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LangChain JS example with Llama cpp for embeddings and prompt.