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Perl Language Reference Manual
by Larry Wall and others
Paperback (6"x9"), 724 pages
ISBN 9781906966027
RRP £29.95 ($39.95)

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gmtime(%.0f) too small

(W overflow) You called gmtime with an number that was smaller than it can reliably handle and gmtime probably returned the wrong date. This warning is also triggered with nan (the special not-a-number value).

ISBN 9781906966027Perl Language Reference ManualSee the print edition