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• Strings in Perl: quoted, interpolated and escaped

• strings in single quotes - video

• What's new in Perl 5.10? say, //, state

• Private Member Data shouldn't be accessed directly - encapsulation violation

• Don't keep generated files in version control

• $'

• $a - $b - Special variables when using sort(). Don't use them for anything else besides your sort function!

• Don't use $a and $b outside of sort, not even for examples

• Can't use Net::Appliance::Session inside a thread

• Don't Open Files in the old way

• The 'if' statement - video

• Don't interpolate in printf (Missing argument in sprintf at ...)

• Implementing 'is_any' to test multiple expected values

• Using 'like' to test without exact values

• Can't locate Object method "cells" via Win32::IEAutomation

• Crypt::SSLeay - 500 Can't connect to ____ (Crypt-SSLeay can't verify hostnames)

• Can't locate ... in @INC

• Can't call method ... on unblessed reference

• Argument ... isn't numeric in numeric ...

• Can't use string (...) as an HASH ref while "strict refs" in use at ...