Use the Master theorem to solve this; it's on Wikipedia and in a number of textbooks.

UML is a low level diagramming language that is usually used in too fine-grained a manner. The truth is that people should avoid diagrams, so that they force themselves to store the graph of...

Are you talking about an approach for a specific problem like GUI programming? Because you mention that problem but I'm not sure whether that's the context or just an example.

It is hard to...

Really? What makes you think it looks like a "scripting language"?

If you're worried about how many bits your integer has, you should just use stdint.h.