17 мая 2012 г. · The following buffer1[:] = buffer2 copies a 4KB buffer in under 400 nanoseconds. In other words, you can do 2.5 million such copies per second. Copying data into a buffer (byte array) - python - Stack Overflow Does slicing a bytes object create a whole new copy of data in ... How to copy a bytearray - Stack Overflow python - How do I copy bytes to/from SharedMemory into BytesIO? Другие результаты с сайта stackoverflow.com

24 февр. 2024 г. · 5 Best Ways to Copy a Python bytearray · Method 1: Using the bytearray Constructor · Method 2: Using the copy Method · Method 3: Using Slicing.

6 июн. 2024 г. · Bytes and bytearray objects contain single bytes – the former is immutable while the latter is a mutable sequence. Create a bytes object in Python · Define a mapping table...

A copy is sometimes needed so one can change one copy without changing the other. This module provides generic shallow and deep copy operations (explained ...

6 дек. 2022 г. · I am looking for a way to get a bytes array from a buffer-protocol object, without a copy. We are processing huge amounts of data (think GB) ...

7 янв. 2019 г. · I was searching about how to do byte-level operations fast in Python. I've been using bytearray s of course, but I was sure there should be an even faster way.

The bytearray built-in type provides a mutable bytes -like type that can be used for zero-copy data reads with functions like socket.recv_from .

27 февр. 2014 г. · Using copy.copy on a byte string returns a new copy instead of the original immutable object. Using copy.deepcopy returns the original, ...

Part of the Stable ABI. Return a new bytes object with a copy of the string v as value and length len on success, and NULL on failure.

10 мая 2022 г. · Your code reads the entire file into a bytes instance, then converts that to a bytearray, so double the necessary storage is used. Better to pre ...