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How do you convert a byte array to a hexadecimal string, and vice versa? Because a byte is two nibbles, any hex string that validly represents a byte array must have an even character count A 0 should not be added anywhere - to add one would be making an assumption about invalid data that is potentially dangerous
. net - What is a byte [] array? - Stack Overflow 21 In NET, a byte is basically a number from 0 to 255 (the numbers that can be represented by eight bits) So, a byte array is just an array of the numbers 0 - 255 At a lower level, an array is a contiguous block of memory, and a byte array is just a representation of that memory in 8-bit chunks
binary - Why does a byte only have 0 to 255? - Stack Overflow On a binary computer a byte must therefore be composed of six bits; on a decimal computer we have two digits per byte * - The Art of Computer Programming, Volume 1, written by Donald Knuth And * Since 1975 or so, the word "byte" has come to mean a sequence of precisely eight binary digits, capable of representing the numbers 0 to 255
Error UnicodeDecodeError: utf-8 codec cant decode byte 0xff in . . . Python tries to convert a byte-array (a bytes which it assumes to be a utf-8-encoded string) to a unicode string (str) This process of course is a decoding according to utf-8 rules When it tries this, it encounters a byte sequence which is not allowed in utf-8-encoded strings (namely this 0xff at position 0) Since you did not provide any code we could look at, we only could guess on the
Can endianness refer to the order of bits in a byte? Endianness and byte order When a value larger than byte is stored or serialized into multiple bytes, the choice of the order in which the component bytes are stored is called byte order, or endian, or endianness Historically, there have been three byte orders in use: "big-endian", "little-endian", and "PDP-endian" or "middle-endian"
How do I initialize a byte array in Java? - Stack Overflow I have to store some constant values (UUIDs) in byte array form in java, and I'm wondering what the best way to initialize those static arrays would be This is how I'm currently doing it, but I feel