C++ - loop optimization with Sentinel

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It is possible to make the loop faster by using an guarded value so it doesn't need to check the variable validation or extran comparing.

https://en.wikipedia.org/wiki/Sentinel_node

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.