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4 matches found for 'hexadecimal'

2's complement on long hexadecimals

... done on binary numbers, but sometimes you might need a binary 2's complement representation of hexadecimal digits. If a hexadecimal value is short enough (say 4 characters), there are a number of methods you can use to get the 2's complement.

April 6, 2016

Data Sharding: Twitter Posts

... 128 bits, which in hexdigest will take up \(\frac{128 bits}{4 bits} = 32\) characters, since each hexadecimal character only takes up 4 bits. A 32 character long ID can take up anywhere from 32-128 bytes in a SQL row.

December 28, 2021

Scanning for memory addresses with Cheat Engine and ZSNES

... is an absolutely great way to really dive deep into computer science fundamentals (bits, bytes, hexadecimals...), data structures, pointers, the internal workings of memory, and a little bit of assembly language if you want to create new injectable scripts for these games.

July 4, 2017

Misconceptions of ASCII and Unicode

... bytes, including your traditional ASCII characters. For example, H can be represented by 00 48 (hexadecimal, big-endian) in UTF-16, or 48 00 in little-endian. Myth: ANSI is different from ASCII This is true; ANSI is a character set standard that builds on top of ASCII to fill out the characters represented by numbers 128-255, borrowing characters from other character sets (Windows-1252, ISO-8859-1).

May 29, 2022