20 best Perl questions at stackoverflow in 2016

These are the 20 most rated questions at 2016 Stack Overflow.
Between brackets: question score & answers count
Built date: 2017/01/01 08:37:15 GMT

---

1. Why is `\s+` so much faster than `\s\s*` in this Perl regex? - [54/4]
2. Undocumented Perl variable %_? - [20/3]
3. Why are @@, @!, @, etc. not interpolated in strings? - [20/3]
4. What is the difference between `read` and `sysread`? - [16/1]
5. Chronological trace of function calls in C++ using etrace - [15/1]
6. Why does Perl's print fail to output anything to STDOUT and STDERR, but writes to a file successfully? - [14/4]
7. Close response under mod_perl 2 - [14/1]
8. Why does map() mask the 'undefined value' error? - [14/1]
9. How can I pick a random value between 0 and a bigint? - [13/3]
10. Why doesn't Perl v5.22 find all the sentence boundaries? - [13/2]
11. What is the preferred convention for Perl Inheritance - [12/3]
12. Why should I specify a use statement when using the say function? - [12/2]
13. How do I stop CPAN from accessing an unresponsive package repository? - [12/2]
14. Is the value returned by system() the same as "$?"? - [14/1]
15. Why should use warnings; go last? - [13/1]
16. How to connect to MySQL using UTF8 within a perl script? - [13/1]
17. Lowercasing script in Python vs Perl - [11/7]
18. Is there a less clumsy alternative for copying up to "n" array elements? - [11/5]
19. Does Data::Printer handle array slices? - [11/2]
20. Why is Perl inconsistent with sprintf rounding? - [11/2]

Number of Perl questions by year at StackOverflow

I have been running a weekly report of the Perl related questions at StackOverflow. I have grouped the data, and this is graphic that shows the number of Perl questions by year (since 2012).

As you can see, 2015 figures show us a reduction in the asked questions in this platform.

20 best Perl questions at stackoverflow in 2014

This is the ten most rated questions at 2014 Stack Overflow.
Between brackets: question score & answers count
Built date: 2015/01/01 09:22:18 GMT

---

1. Python slow read performance issue - [47/1]
2. Are trailing commas in Perl a bad practice? - [29/5]
3. Swapping letters with regexp - [21/4]
4. Is it possible for Perl to preserve case in a substitution? - [15/0]
5. Why am I getting the last octet repeated when my Perl program outputs a UTF-8 encoded string in cmd.exe? - [15/1]
6. How can I inject multiple lines with Devel::Declare? - [15/2]
7. Posting videos to Facebook as a command-line (desktop) application - [18/4]
8. Why does perldoc evaluate 'Münster' as 'Muenster' - [12/1]
9. Prevent strings from being interpreted as a file handle - [13/2]
10. why do perl, ruby use /dev/urandom - [12/1]
11. A bug on perl interpreter on error message? - [11/1]
12. Where am I? (Geolocation, Emacs, Perl) - [12/3]
13. When is \G useful application in a regex? - [11/2]
14. Using $@ for error message passing in module - [10/2]
15. Configuring Perl::Tidy to handle custom keywords - [10/1]
16. In Moose, how do I set multiple defaults with one method call? - [10/3]
17. Why does Perl DBI require a prepare statement before execution? - [9/2]
18. Stop runaway regular expression - [10/1]
19. Can I find out what Perl IO Layer(s) a given filehandle has? - [9/1]
20. Which is the simple and fast UNIX command to print all lines from the last occurrence of a pattern? - [8/7]