(ccclxxx) stackoverflow perl report

These are the ten most rated questions at Stack Overflow last week.
Between brackets: [question score / answers count]
Build date: 2019-02-16 19:26:44 GMT

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1. How to watch particular hash key for changing its value? - [5/3]
2. What is the common idea of perl modules with Tie:: namespace? - [4/2]
3. sed replace whitespace with underscore between 2 strings - [3/5]
4. Remove first and last parentheses - [3/3]
5. How to parse <rss> tag with XML::LibXML to find xmlns defintions - [3/2]
6. How to redirect debug trace of perl script to file when using NonStop debugger option? - [3/1]
7. Randomly pick a region and process it, a number of times - [2/4]
8. How can I list files with find and Perl? - [2/2]
9. Postfix dereference say((\@a)->@*) v5.22 - [2/2]
10. Why I'm not able to install Perl Net-SNMP on Ubuntu 18.04 - [2/2]