ZooKeeper - Mini Transaction Support

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ZooKeeper mini transaction logic

The following pseudo code shows how to increase value x with version number information.

while (true) {
  x, v = getData('f')
  if setData('f', x + 1, v)
    break
}

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.