Category "endianness"

How do I know which endian to use in struct.unpack() when converting hexadecimal string to float?

I have data in form of hexadecimal string and I convert it to float as: import struct, binascii a = '0X437A1AF6' x = struct.unpack('>f', binascii.unhexlify(s

Getting pixel format from CGImage

I understand bitmap layout and pixel format subject pretty well, but getting an issue when working with png / jpeg images loaded through NSImage – I can't

Comparison of byte literals in Python

The following question arose because I was trying to use bytes strings as dictionary keys and bytes values that I understood to be equal weren't being treated a