Its simply a convention. You can use whatever extension you want.
For me, h is quite plausible for header.
#include "what-its-name-is.h"
No. The only limits are physical limits imposed by the hardware (memory constraints).
W. H. Draper has written: 'University extension'
H. Jolliffe has written: 'Public Library extension activities'
The H.264 extension offers benefits such as high video quality, efficient compression, and compatibility with various devices and platforms.
Turner H. Bond has written: 'An evaluation study of a district extension program in marketing' -- subject(s): Marketing, Agricultural extension work, Farm produce
The versatile extension clamp is used to set up lab equipment including distillation. Extension clamps are used where an extension is needed and can be added to another clamp.
Hi... It's pretty simple. The .h stands for the word "header." It's merely a C convention that has been used throughout the years. Conceivably, you could have "header" or "include" files with different extensions - the .h is the convention. John
.h for headers, .cpp or .cc for sources
An app can be used independently whereas an extension has to be integrated in a website before it is used.
A USB extension cable can be used to allow a longer distance between two devices.
Start by looking for your local 4-H club and contacting them. Your local county extension office should have their information. There are 4-H clubs and county extension offices are located all throughout the US.