Advanced Perl Programming (2nd Edition) by Simon Cozens

By Simon Cozens

With a global group of clients and greater than 1000000 devoted programmers, Perl has confirmed to be the simplest language for the newest developments in computing and business.

Every programmer needs to stay alongside of the most recent instruments and methods. This up-to-date model of Advanced Perl Programming from O'Reilly grants the basic wisdom of the trendy Perl programmer. no matter what your present point of Perl services, this publication might help you push your talents to the subsequent point and turn into a extra comprehensive programmer.

O'Reilly's so much high-level Perl educational up to now, Advanced Perl Programming, moment version teaches you all of the complicated concepts for production-ready Perl courses. This thoroughly up to date consultant essentially explains ideas comparable to introspection, overriding built-ins, extending Perl's object-oriented version, and checking out your code for higher stability.

Other subject matters include:
* complicated info buildings
* Parsing
* Templating toolkits
* operating with normal language info
* Unicode
* interplay with C and different languages
additionally, this advisor demystifies as soon as advanced themes like object-relational mapping and event-based development-arming you with every thing you want to thoroughly improve your skills.
Praise for the second one Edition:

"Sometimes the largest hurdle to challenge fixing isn't the topic itself yet really the sheer variety of modules Perl presents. Advanced Perl Programming walks you thru Perl's TMTOWTDI ("There's multiple option to Do It") wooded area, explaining and evaluating the easiest modules for every activity so that you can intelligently practice them in quite a few situations." --Rocco Caputo, lead developer of POE

"It has been stated that sufficiently complicated Perl code is indistinguishable from magic. This e-book of spells is going some distance to unlocking these secrets and techniques. It has the ability to rework the main humble programmer right into a Perl wizard." --Andy Wardley

"The details the following isn't theoretical. It offers instruments and strategies for fixing genuine difficulties cleanly and elegantly." --Curtis 'Ovid' Poe

" Advanced Perl Programming collects well-merited wisdom from the superior programmers within the Perl neighborhood, and explains it in a manner that even beginners can observe immediately." --chromatic, Editor of Perl.com

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Extra resources for Advanced Perl Programming (2nd Edition)

Example text

The DNS Update operation enables dynamic correction of entries in the DNS database. Therefore, this is also referred to as dynamic update. DNS Update provides for adding/deleting one or more records to/from the zone file. , master/slave name server. DNS Update is also widely used by Windows 2000 as the fundamental features of DNS Update: • The DNS database entries (RR) do not need to be statically corrected by the system administrator, but can be corrected dynamically by using DNS protocol. • DNS Update does not provide support for creating new zones, it only enables the correction of already existing zones.

Which format will be used by the server for communication is a matter of the name server implementation. 5 with patches implemented. 8 Communication Examples We will illustrate this by several examples of DNS client-DNS server communication. The hexadecimal notation will be left out to make the examples more transparent. Note especially the headers of the individual packets. cz was raised using the nslookup program, and an ultimate (recursive) answer was required. The use of nslookup resulted in sending two packets, a query and an answer.

0000........... 1.......... 0......... 1........ 1....... 000.... cz. of type Req. for all on class INET addr. _aaa_pv. of type Unknown Type on class Unknown Class(14 records present) + DNS: Authority Section = N/A + DNS: Additional Records Section = N/A An Example Illustrating the use of the nslookup Program to Find Out Communication Content To monitor the communication between a client and a server, DNS server administrators usually do not use Microsoft Network Monitor, but use the nslookup program.

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