Denis Ibaev questions

Denis Ibaev answers

• Moose && utf8 (package|method) names
• What does perl special variable $-[0] and $+[0] means
• How can I change a log4perl appender's filters at run time?
• Find number, and remove adjacent characters equal to this number
• In Perl, how can I disable CGI::Carp that was loaded in a required script?
• why can I open undef?
• Debugging Perl Regular expression
• What does a plus sign mean in a hash?
• are websockets secure or not?
• Errors with AnyEvent in Windows Perl