Padawan questions

• While & For-Loops [closed]
• Creating array of numbers from 0 to n for positive and negative n
• Is it preferable to select class or <nav> element? [closed]
• Ruby: Remove first and last element of an Array - why the solution works one way & not the other
• HTML5 & Bootstrap class="container", can it be applied to body or only div?

Padawan answers