
c - What is meant by "memory is 8 bytes aligned"? - Stack Overflow
2020年7月17日 · An object that is "8 bytes aligned" is stored at a memory address that is a multiple of 8. Many CPUs will only load some data types from aligned locations; on other …
binary - Why does a byte only have 0 to 255? - Stack Overflow
2011年2月13日 · The importance of the ɪʙᴍ 360, which had 8‑bit bytes whether they held ᴀsᴄɪɪ or not, should not be understated. Nevertheless, many machines long supported ᴅᴇᴄ’s Radix‑50 . …
What's the difference between a word and byte? - Stack Overflow
2022年5月12日 · A kilobyte, or KB, is 1,024 bytes a megabyte, or MB, is 1,024 2 bytes a gigabyte, or GB, is 1,024 3 bytes a terabyte, or TB, is 1,024 4 bytes a petabyte, or PB, is 1,024 5 bytes …
Lightweight 8 byte hash function algorithm - Stack Overflow
@pst: I took in account some of the existing hash functions that give a 64 bit output, but for example the crc64 needs far more than 100 bytes of ram. As I stated in the question, the goal …
Is a read of 8 bytes on modern intel x86 guaranteed to by sane if …
2019年11月27日 · BTW, you only need alignas(8) to make sure members are 8-byte aligned. Aligning the struct to a whole cache line doesn't hurt, unless it wastes space. For performance: …
Convert Python byte to "unsigned 8 bit integer" - Stack Overflow
2014年4月15日 · bytes/bytearray is a sequence of integers. If you just access an element by its index you'll have an integer: >>> b'abc' b'abc' >>> _[0] 97 By their very definition, bytes and …
How many characters can UTF-8 encode? - Stack Overflow
2012年4月19日 · UTF-8 uses 1-4 bytes per character: one byte for ascii characters (the first 128 unicode values are the same as ascii). But that only requires 7 bits. If the highest ("sign") bit is …
c - size of uint8, uint16 and uint32? - Stack Overflow
If there is no predefined 8-bit unsigned type, then uint8_t will not be defined at all. Similarly, each uintN_t type is an unsigned type that's exactly N bits wide. In addition, <stdint.h> defines …
c# - How to convert 8 bytes hex to DateTime - Stack Overflow
2012年3月6日 · The file is actually fairly long sir, however i know what the bytes correspond to before and after these 8 bytes. It is possible that the first 4 bytes are just padding, however i'm …
c++ - Long long is 8 bytes, meaning? - Stack Overflow
2015年5月13日 · The longest standard data type is 8 bytes (64 bits) on most of the systems, Which is long long. In addition you can include limits.h which library contains defined values …