Text substitution can be used as a quick method for entering commonly used phrases or symbols into a document. Here is how to do this in Apple's Pages word processor for OS X. Topher Kessler MacFixIt ...

Replacing VHS tapes with YouTube clips is probably not the ideal version of moving a classroom into the 21st century. While that type of digital substitution may tick ...

Twenty-three years ago, in his Design Principles and Design Patterns article, Robert "Uncle Bob" Martin boiled down the Liskov substitution principle to the idea that "derived classes should be ...

Learn how to implement a classic substitution cipher in C! This step-by-step tutorial walks you through encoding and decoding messages by replacing each letter with another according to a fixed key. A ...