[skydhash]

> How do I uppercase this string? What's the best way to tackle this problem? Is there a standard way to do this thing?

I strongly believe that it's better to just take a couple week of slow times and read a good book about the technical matter you're dealing with. Having bite sized answers isn't a good way to be proficient.

[a96]

No, and if you aren't going through mental effort, your brain isn't learning. It's just being briefly entertained by the information. You need practice and association building to actually build knowledge and skill.