H stands for hash to allow periodically scheduled tasks to produce even load on the system, the symbol h (for hash) should be used wherever possible.
For example, using 0 0 * * * for a.
I've always used a *. h file for my class definitions, but after reading some boost library code, i realised they all use *. hpp.
I've always had an aversion to that file extension, i think mainly be
*. h or *. hpp for your class definitions what is the difference between. cc and. cpp file suffix?
I used to think that it used to be that:
. h files are header files for c and c