unix

some teachers believe that they can help children concentrate – especially those with ADHD.

why not use github for package repository?

I do if that cryptocurrencies are as easy as concrete currency.

visual is good but is it faster then keyboard coding? I think that just for fun.

same question: I want to able hack/modify/change a car to high performance car. do I need to understand how it work? how does an engine work? what kind of parts I need? I think you should understand how does cpu and memory work. how does network work. how does cryptography work. what kind of tools able hack.

if you learn CS, I think you should not be a programmer for your next step. You can be better then now.

I used Linux/Apache/PHP/MySQL over 16 years and while changed 5 jobs. I am still learning new programming languages(swift) or some programming languages I have not learnt yet like embedded C. that is true if you can master one programming language then you can easier to pickup difference programming languages.

Thanks for C language and Pascal that basic concept i learnt from high school.

You should learn C++ and Javascript;

China, Welcome you. :-)