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Hexspeak is a form of variant English spelling using the hexadecimal digits 0123456789ABCDEF. It is used by programmers as memorable magic numbers to mark memory or data, and some words can be spelled with letters or numbers.
Hexadecimal is a positional numeral system that uses sixteen symbols to represent numbers. Learn how to write, distinguish and convert hexadecimal values in mathematics and computing, and see examples of hexadecimal notation in different contexts.
Intel HEX is a text-based format that conveys binary data in hexadecimal form, used for programming microcontrollers and other devices. Learn about its history, structure, record types, checksum calculation and file extensions.
Learn how to use character entity references in XML and HTML documents, and see the list of predefined and custom entities for various scripts and symbols. Find out the differences between numeric and character entity references, and the formal public identifiers for HTML DTD entities subsets.
ImHex is a tool for viewing and analyzing binary data, used by programmers and reverse engineers. It has features such as hex editor, disassembler, YARA rules, data pre-processor, and plug-ins.
Learn about the process of assigning numbers to graphical characters, especially the written characters of human language, allowing them to be stored, transmitted, and transformed using digital computers. Find out the history, examples, and common systems of character encoding, such as ASCII, Unicode, and UTF-8.
A magic number is a constant value in source code that has unexplained meaning or could be replaced with a named constant. Learn why using magic numbers is bad programming style and how to avoid it.
A hex dump is a way of displaying computer data in hexadecimal format, often used for debugging, reverse engineering or forensics. Learn how to use hexdump command, see examples and compare with ASCII and Unicode.