Outputting Inverse Text

Early computer terminals were text-only output devices. Sure, some got fancy and could do color text, perhaps even underline. Many of the early terminals, as well as the first handful of microcomputers (ancestors of the modern desktop), generated only text with perhaps some inverse text to spice things up.
Continue reading

Dump That File!

One of the many, useful tools a programmer must have is a hexdump utility. The utility consumes a file’s raw bytes and outputs them in a human-readable manner. By examining the dump, you can determine if file contains the proper data in the correct format, as well as do other interesting, useful, and technerd things.
Continue reading