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Inhaltsangaben
Kurzbeschreibungen
Zusammenfassungen

Buch, Hörbücher:

Perl

Seite 5

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Bürobedarf & Schreibwaren

Excel Made Easy: From Basics to AI Integrations. 5-Minute Illustrated Tutorials, Shortcuts, Real-Life Applications & Case Studies to Master Microsoft Excel, Boost Your Productivity, and Get Paid More

Autor: Narry Prince

Taschenbuch, 06.11.2023

30 ejercicios de programación orientada a objetos en Python para practicar: Un conjunto de ejercicios con diferentes niveles de complejidad | ... | Una corrección para todos los ejercicios

Autor: Laurentine K.Masson

Taschenbuch, 27.08.2023

Using Raku: 100 Programming Challenges Solved in the Raku Programming Language

Autor: Andrew Shitov

Taschenbuch, 13.10.2019

Programming Web Services with Perl (Classique Us)

Randy J Ray, Pavel Kulchenko

Taschenbuch

Perl Template Toolkit (Classique Us)

Darren Chamberlain, David Cross, Andy Wardly

Taschenbuch

Data Munging with Perl: Techniques for Data Recognition, Parsing, Transformation and Filtering

David Cross

Taschenbuch

Perl for Web Site Management (Classique Us)

John Callender

Taschenbuch

Oracle for Perl DBAs (Classique Us)

Andy Duncan, Jared Still

Taschenbuch

Perl Medic: Maintaining Inherited Code

Peter Scott

Taschenbuch

Perl ranks among hackers' favorite languages-there's always another approach to a problem, always optimization to be done, and forever new techniques to try. Perl's a hoot. But the culture of tinkering that surrounds Perl has resulted in a large body of hard-to-understand legacy code. That legacy code has to be maintained, extended, and adapted to new conditions-often without the help of the person who originally created it. < I> Perl Medic considers Perl from the perspective of a programmer looking at code written by someone else and trying to answer the ancient question: " What were they thinking? "

It's a creative approach, and one that makes good reading for someone well-versed in Perl programming (author Peter Scott makes the analogy of becoming fluent in a human language, such as French, then studying its various accents and dialects). He shows, for example, a kludgy piece of code that's meant to catch C G I form uploads, then indicates that the obvious replacement is the C G I. pm module. Elsewhere, Scott shows why symbolic references are bad, and how to avoid them by means of hashes. Some of the value in this book is in the form of documentation of the differences among Perl versions; other useful coverage deals with warnings and strictness control as debugging tools. Read this straight through to improve your own code; use the index to help decipher and improve what someone else has written. < I>-David Wall

< B> Topics covered: How to write good Perl code, read bad Perl code, and convert bad Perl code into good in less time that would be required to write an equivalent replacement program from scratch. Testing, debugging, documenting, replacing custom code with C P A N modules, and embracing features that became available in later versions of Perl are all covered. Overall, the author endorses and generally explains the principles of Extreme Programming ( X P) for Perl work.