Some topics are loosely associated examples under a theme, such as C# 6.0 Features and Common pitfalls. On the whole, this style of topic has been discouraged since examples per topic were limited as there's no natural place to stop adding content.
It's probably better to move the examples to another Topic (perhaps for language features). I haven't seen this done, but it's possible these topics could be converted into a meta topic that includes an example or two that consists largely of links to other topics or examples:
Perl Tips and Tricks