By Simon Cozens
With a world neighborhood of clients and greater than one million committed programmers, Perl has confirmed to be the best language for the most recent traits 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 promises the basic wisdom of the fashionable 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 instructional up to now, Advanced Perl Programming, moment variation teaches you the entire complicated concepts for production-ready Perl courses. This thoroughly up to date consultant basically explains techniques akin to introspection, overriding built-ins, extending Perl's object-oriented version, and checking out your code for larger stability.
Other subject matters include:
* complicated facts constructions
* Templating toolkits
* operating with common language info
* interplay with C and different languages
additionally, this advisor demystifies as soon as complicated themes like object-relational mapping and event-based development-arming you with every thing you must thoroughly improve your skills.
Praise for the second one Edition:
"Sometimes the most important hurdle to challenge fixing isn't the topic itself yet particularly the sheer variety of modules Perl offers. Advanced Perl Programming walks you thru Perl's TMTOWTDI ("There's multiple method to Do It") woodland, explaining and evaluating the easiest modules for every activity so that you can intelligently practice them in various situations." --Rocco Caputo, lead developer of POE
"It has been stated that sufficiently complicated Perl code is indistinguishable from magic. This ebook of spells is going far to unlocking these secrets and techniques. It has the ability to remodel the main humble programmer right into a Perl wizard." --Andy Wardley
"The info right here isn't theoretical. It provides instruments and strategies for fixing actual difficulties cleanly and elegantly." --Curtis 'Ovid' Poe
" Advanced Perl Programming collects well-merited wisdom from the very best programmers within the Perl group, and explains it in a fashion that even rookies can observe immediately." --chromatic, Editor of Perl.com
Read or Download Advanced Perl Programming (2nd Edition) PDF
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Extra info for Advanced Perl Programming (2nd Edition)
Mounting is possible because all UNIX filesystems possess the same structure, and each has a directory hierarchy built on it, starting at a root directory. The mount command (/etc/mount) is usually restricted to the super-user; it takes as parameters the special file, indicating the device which contains a filesystem, and the pathname of an existing non-special file (usually a directory) on which this filesystem is to be mounted. For example, the command letc/mount /dev/mrO Imr would mount the device IdevlmrD ( which must contain a filesystem structure) onto the directory Imr in the existing hierarchy.
These times are used by a number of utilities, including make, which is described in chapter 9. 8. The superblock always occupies block 1 of a filesystem; it contains global information concerning its structure; this includes the size of the logical disk, on which the filesystem resides, and the boundaries of the inode area. It also contains a series of pointers to free inodes, and a chain of free storage blocks, which may be allocated when files are created or extended. This latter chain of blocks is called the freelist.
It is possible to have more than one file table entry linked to each inode table entry. because there is essentially no limit on the number of times that a file can be opened, even by unrelated processes. Files remain consistent irrespective o~ the order o~ I/O requests because only one copy of the file's inode is maintained in the inode table. The inode table is a system-wide data structure, because its entries are shared by all the processes which have opened a specific file; however, it is less easy to understand why the file table must also be system-wide.
Advanced Perl Programming (2nd Edition) by Simon Cozens