Java - JFR start/dump and health reporting agent
From JDK 11, the following command will start recording JFR 1 $ jcmd [pid] JFR.start duration=60s filename=myrecording.jfr
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Rust - Procedural Macros
Rust procedural macros.
Rust - Async Await Cancellation
How Rust is handling cancellation for async operation
Rust - Error Conversion
Rust does not have an exception mechanism for error handling they provided the following two types.
Lamport clock
In distributed system, clock can be skewed so if system is relying on wall clock or local clock, it will face unexpected results such as overwriting an exist...