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The link doesn't seem to be working but (if you're talking about what I think you're talking about) that isn't Joel's idea. It's Apps Hungarian notation which was invented in the 70s at PARC.

Although, IMHO, it's just a poor attempt to compensate for a weak type system (Type Synonyms, etc. are a much better fix, since then your compiler can guarantee that you are doing the right thing).

Worth noting that strcpy_s actually is safer than strcpy.

Heh, I like that article...the description of "i=j*5" in C++ should probably be on the first slide of any C++ programming class. :)