(ccxxii) stackoverflow perl report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2016-01-29 17:24:28 GMT

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1. Perl: closing subprocess pipe in signal handler hangs? - [6/2]
2. Why does Autovivification occur with keys() and not %{..}? - [6/2]
3. Search and replace string in a very big file - [5/5]
4. Subroutine arguments as key-value pairs without a temp variable - [5/2]
5. Return value from system() when using SIGINT default handler - [4/2]
6. Regex in perl, match newline AND first word of next line - [3/4]
7. In perl delete a specific lines from a file - [3/4]
8. Can I please have an ArrayOutOfBoundsException? - [3/4]
9. Print Line By Line - [3/2]
10. What do Perl identifiers starting with an asterisk * represent? - [3/2]