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Results:

• /x modifier for verbose regexes - video

• Scalar variables

• String operators - video

• String operators: concatenation (.), repetition (x)

• The Hash-bang line, or how to make a Perl scripts executable on Linux

• Checking a GitHub URL for existence

• Comparing complex data-structures using is_deeply

• Implementing 'is_any' to test multiple expected values

• Multiple expected values - testing dice

• Test diagnostic messages using diag, note, and explain

• Using 'like' to test without exact values

• More UNIX commands - video

• 8: Chad (Exodist) Granum, author of the Fennec testing tool

• Capture STDOUT and STDERR of external program using Capture::Tiny

• Simple timestamp generation using POSIX strftime in Perl

• Deleting item using Ajax request with DELETE and OPTIONS

• exists - check if a key exists in a hash

• exists, delete in hash - video

• Ajax and Dancer 2

• Dancer2: Exercise 1 - Calculator, Counter