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Source Site » www-128.ibm.com
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 CGI and Perl / General Development A mainstay of the Perl culture, JAPH is a short script that produces the output "Just another Perl hacker." Although written for the beginner or intermediate Perl programmer, this article examines a few simple examples of the JAPH genre that will surprise and engage even the most seasoned devotee. Site: www-128.ibm.com
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CGI and Perl / General Development Based on the Darwinian principle of survival of the fittest, genetic programming uses mutation and replication to produce algorithms for creating ever-improving computer programs. In this column, you'll get to know the genetic algorithm in simple terms. Ted provides Perl implementations for some specific tasks, which you can adapt for generic use. To demonstrate the genetic algorithm, Ted breeds numbers for fitness to a formula, and letters to form English words. Site: www-128.ibm.com
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 PHP / Getting Started As a language for building dynamic Web pages, PHP offers a simplified method for constructing complex and powerful Web-related programs.Step by step, Erik demonstrates the fundamental principles of PHP in an original, real-world Web site example. Part 1 of this two-part series offers the basics of PHP and features a Webzine that includes an author's page where content providers can enter the text of articles, as well as a front end for presenting this content to the world. Site: www-128.ibm.com
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PHP / General Development The series Develop rock-solid code in PHP is about solving practical, real-life problems in medium- to large-scale applications. In this article, PHP veteran Amol Hatwar discusses how to use variables effectively. He also shows how to make script configuration easy by constructing a configuration file parser using variable variable names in PHP. Site: www-128.ibm.com
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PHP / General Development The Develop rock-solid code in PHP series is about solving practical real-life problems in medium- to large-scale applications. With a sharp focus on new features available in PHP 4, the articles shed light on numerous tips and tricks that make life easier. Inside, you will find plenty of examples and techniques to learn, with lots of sample code. In this first article, PHP veteran Amol Hatwar gives a higher perspective for designing and writing bug-free, maintainable code for medium- to large-scale Web applications. Site: www-128.ibm.com
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PHP / CMS Server-side scripting languages such as PHP are great for creating dynamic, creative, and compelling Web sites. Unfortunately they have always left the mechanics of creating, rendering, and administering dynamic content to the script author -- until now. This article introduces and shows you how to use Midgard, an open-source system based on PHP that takes over the job of looking after content, allowing you to concentrate on site aesthetics and functionality. Site: www-128.ibm.com
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 Python / Getting Started Along with several other popular scripting languages, Python is an excellent tool for scanning and manipulating textual data. This article summarizes Python's text processing facilities for the programmer new to Python. The article explains some general concepts of regular expressions and offers advice on when to use (or not use) regular expressions while processing text. Site: www-128.ibm.com
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Python / General Development Although users usually think of Python as a procedural and object-oriented language, it actually contains everything you need for a completely functional approach to programming. This article discusses general concepts of functional programming, and illustrates ways of implementing functional techniques in Python. Site: www-128.ibm.com
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Python / General Development This column continues David's introduction to functional programming (FP) in Python. Enjoy this introduction to different paradigms of program problem-solving, where David demonstrates several intermediate and advanced FP concepts. An object is a piece of data with procedures attached to it... A closure is a procedure with a piece of data attached to it. Site: www-128.ibm.com
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Python / General Development The Qt toolkit is a widely-used cross-platform GUI toolkit, available for Windows, Linux, Mac OSX, and handheld platforms. QT has a well-structured, but flexible, object-oriented organization, clear documentation, and an intuitive API. In this article, David Mertz and Boudewijn Rempt look at the Qt library, with a focus on the PyQt bindings that let Python programmers access Qt functionality. Site: www-128.ibm.com
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Python / Modules Many parsing tools have been written for Python. This column discusses a high-level parsing language built on top of Python. SimpleParse provides an EBNF-style syntax on top of mxTextTools that can greatly clarify the expression of grammars. Site: www-128.ibm.com
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Python / Searching As the volume of information grows, effective means of locating specific information become ever more crucial. This column discusses the field of full-text indexing, with a focus on the author's public-domain indexer module. Site: www-128.ibm.com
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Python / Mobile Devices Pippy is a port of (a subset of) Python to the PalmOS. With Pippy, Python programmers can create custom applications to run on Palm devices, as well as use Pippy as an interactive environment directly on the Palm. David evaluates the strengths and limitations of Pippy as a means of implementing Palm applications. Site: www-128.ibm.com
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Python / Web Development This is the beginning of a short series on creating a software repository system built on Web services and developed in the Python programming language. Mike Olson shows you the details of using the 4Suite open-source XML server with Python to create Web service-based applications. Site: www-128.ibm.com
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Python / Web Development XML is a fairly simple format. It uses plain Unicode text rather than binary encoding, and all the structures are declared with predictable-looking tags. Nonetheless, there are still enough rules in the XML grammar that a carefully debugged parser is needed to process XML documents -- and every parser imposes its own particular programming style. An alternative is to make XML even simpler. The open-source PYX format is a purely line-oriented format for representing XML documents that allows for much easier processing of XML document contents with common text tools like grep,sed, awk, wc, and the usual UNIX collection. Site: www-128.ibm.com
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