(ccxii) stackoverflow perl report

This is the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2015-11-22 08:32:53 GMT

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1. Can someone explain why Perl behaves this way (variable scoping)? - [8/2]
2. Untainting a blessed hash member with or without the delete - [6/0]
3. Why system() returns 0 even though the program it executes dies - [4/2]
4. Perl disable shell access - [3/2]
5. How to make a particular change in all the keys of a hash? - [3/3]
6. Strange behavior of a tied hash in perl, when asking for an arrayref - [3/2]
7. Perl speed: difference between $a = $a.$b and $a .= $b - [3/1]
8. Different efficiency of regexp implementations in Java Perl and Php - [3/0]
9. Why children don't become zombies in perl - [2/1]
10. Inconsistent results parsing unicode strings in perl unpack - [2/1]