20 best Perl questions at stackoverflow in 2015

This is the ten most rated questions at 2014 Stack Overflow.
Between brackets: question score & answers count
Built date: 2016/01/01 19:52:46 GMT

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1. What does the <<'m'=~m>> syntax mean in perl? - [75/2]
2. Why don't I get any syntax errors when I execute my Python script with Perl? - [75/1]
3. Why is "!!" considered bad form in Perl? - [58/5]
4. What is "%_" in perl? - [25/1]
5. Why is XML::Simple "Discouraged"? - [24/3]
6. Why does adding one more alternative make my regex over 600 times slower? - [18/1]
7. What is the difference between <stdin> and <STDIN>? - [16/2]
8. Is it wrong to print $/ instead of \n? - [15/3]
9. What is a magical array in Perl? - [13/3]
10. What does `sub bar { +{$_[1] => $_[2]} }` exactly do? - [13/1]
11. Most efficient way to check if $string starts with $needle in perl - [12/1]
12. Is there a moment where a file "doesn't exist" during a rename? - [11/1]
13. Documentation for inlining of built-ins? - [10/2]
14. Preventing cyclic reference memory leaks in Perl - [10/1]
15. Umlaut character not accepted via keyboard (codepage 65001, UTF-8) to be read by perl script - [10/1]
16. Giving Credit for Perl Module - [9/4]
17. vim: Interactive search and replace with perl compatible regular expressions - [9/3]
18. How to convince Devel::Trace to print the BEGIN-block statements? - [10/2]
19. Why can the regex /[\w\W]+x/i be extremely slow to run? - [9/2]
20. Perl subroutine arguments like a hash - [9/1]