1<<16 is 1 shifted to the left 16 times, i.e. 1_0000_0000_0000_0000 binary, i.e. 10000 hex, i.e. 65536 dec, i.e. 64kb.
لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re^2: How to make a progress counter for parsing HTML with HTML::TreeBuilder by choroba
in thread How to make a progress counter for parsing HTML with HTML::TreeBuilder by ambrus

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