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pack() Function string pack ( string $format [, mixed $args [, mixed $... ]] ) The pack() function converts arguments into a binary string according to the specified format. Format Codes Code Description a NUL-padded string A Space-padded string h Hex string (low nibble first) H Hex string (high nibble first) c Signed char C U ...

Introduction to Buffer Module When working with Node.js, handling binary data efficiently is crucial for I/O operations. The Buffer module provides a way to work with binary data directly, allowing you to manipulate raw memory outside of the V8 JavaScript engine's heap. Buffer objects are similar to arrays but store raw binary data in a fixed-s ...