Q: What is ``Hungarian Notation''? Is it worthwhile?
A: Hungarian Notation is a naming convention, invented by Charles Simonyi, which encodes information about a variable's type (and perhaps its intended use) in its name. It is well-loved in some circles and roundly castigated in others. Its chief advantage is that it makes a variable's type or intended use obvious from its name; its chief disadvantage is that type information is not necessarily a worthwhile thing to carry around in the name of a variable.
References:
Simonyi and Heller, ``The Hungarian Revolution''
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