Find the category under Categorized Questions and Answers under which your particular tip or trick belongs, and post a question and answer there. For example:

Category: Arrays
Question: How do I create a simple stack?
Answer: Use shift, unshift, and $array[0]
And here is a simple example...........

I considered arrays and decided it didn't quite fit. If I knew that a simple stack implementation used an array then I most likely wouldn't need to look to find out how. Even if I did know that and needed a refresher, I'd still look first in Data Structures (if it were there) or Tips and Tricks if it were there.

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Perl is Huffman encoded by design.

Good answer. I will do as you suggest. If a Tips and Tricks or Data Structures section springs into being in C Q&A then perhaps it could be moved.

A link from C Q&A to the tutorials may be a usefull thing. As in Also take a look in Tutorials.

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Perl is Huffman encoded by design.

Actually iirc you are better off using push/pop and $array[-1] instead of shift/unshift and $array[0] From what i remember (i should recheck the source) perls arrays are written with a slight bias towards adding things to the end over sticking them on the front.

Also why stop at a stack? You can implement a queue with unshift/push, and a deque with unshift/shift and push/pop.