Strings in Perl: quoted, interpolated and escaped
strings in single quotes - video
Implementing 'is_any' to test multiple expected values
Crypt::SSLeay - 500 Can't connect to ____ (Crypt-SSLeay can't verify hostnames)
Don't keep generated files in version control
Don't use $a and $b outside of sort, not even for examples
What's new in Perl 5.10? say, //, state
Don't interpolate in printf (Missing argument in sprintf at ...)
Can't locate inc/Module/Install.pm in @INC (you may need to install the inc::Module::Install module) (@INC contains: ...)
Private Member Data shouldn't be accessed directly - encapsulation violation
Can't use Net::Appliance::Session inside a thread
Argument ... isn't numeric in numeric ...
Can't locate ... in @INC
Can't use string (...) as an HASH ref while "strict refs" in use at ...
Using 'like' to test without exact values
Does the 'all' function of List::MoreUtils really short-circuit?
Time::Local - Day '31' out of range 1..30
Don't Open Files in the old way
Can't locate object method "..." via package "1" (perhaps you forgot to load "1"?)
Don't put & in-front of subroutines in Perl