Linux Journal Contents #158, June 2007

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Linux Journal Issue #158/June 2007

This month's issue concentrates on languages, even to the point of metaprogramming concepts where you write programs that write programs! PHP programmers will appreciate some help on how best to validate email addresses. Sun's Simon Phipps explains the move to GPL Java, and defends Sun's motives for protecting Java from corruption as long as was necessary. We'll teach you how to access databases asynchronously from Qt 4.x, which is a big improvement over default Qt 4.x database handling.

As always, there's much more. We'll take a look at the compact but powerful lua, a language so flexible even Blizzard uses it to allow players to extend World of Warcraft. And Christof Wittig is back with Ted Neward to explain the impedence mismatch between object-oriented languages and relational databases.

Features

Interview with Simon Phipps [2] by Glyn Moody
Why did Sun decide to GPL Java?
Programming Python, Part I [3] by Jose P. E. Fernandez
Find out what the love for Python is about.
Asynchronous Database Access with Qt 4.x [4] by Dave Berton
Want your database-driven app to run better?
Validate an E-Mail Address with PHP, the Right Way [5] by Douglas Lovell
Not all that glitters is gold.
Christof Wittig and Ted Neward on Object-Oriented Language Mapping to Databases [6] by Nicholas Petreley
Object/Relational impedence mismatch.

Indepth

An Introduction to Metaprogramming [7] by Ariel Ortiz
Let your computer do the programming.
Read Source Code the HTML Way [8] by Kamran Soomro
Browser access to source code.
Faster Web Applications with SCGI [9] by Jeroen Vermeulen
Can your Web apps go even faster?
Extend OpenOffice.org [10] by Dmitri Popov
Want to add features to OpenOffice.org?
A Look at Lua [11] by Joseph Quigley
Lua is a lulu.

Columns

Reuven M. Lerner's At the Forge RJS Templates [12]
Marcel Gagné's Cooking with Linux Languages Build Character, or Vice Versa [13]
Dave Taylor's Work the Shell Displaying Image Directories in Apache, Part III [14]
Jon "maddog" Hall's Beachhead Languages—Some Dead and Some Still Kicking [15]
Doc Searls' Linux for Suits Picking New Fights [16]
Nicholas Petreley's /var/opinion Is GPL Java Too Little, Too Late? [17]

Quick Takes

Open-Source Databases, Part III: Choosing a Database [18] by Reuven M. Lerner

In Every Issue

Letters [19]
upFRONT [20]
New Products [21]

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Links:
[1] http://www.linuxjournal.com/files/linuxjournal.com/linuxjournal/issues/158/cover158.png
[2] http://www.linuxjournal.com/article/9624
[3] http://www.linuxjournal.com/article/9277
[4] http://www.linuxjournal.com/article/9602
[5] http://www.linuxjournal.com/article/9585
[6] http://www.linuxjournal.com/article/9679
[7] http://www.linuxjournal.com/article/9604
[8] http://www.linuxjournal.com/article/9279
[9] http://www.linuxjournal.com/article/9310
[10] http://www.linuxjournal.com/article/9412
[11] http://www.linuxjournal.com/article/9605
[12] http://www.linuxjournal.com/article/9673
[13] http://www.linuxjournal.com/article/9674
[14] http://www.linuxjournal.com/article/9678
[15] http://www.linuxjournal.com/article/9647
[16] http://www.linuxjournal.com/article/9672
[17] http://www.linuxjournal.com/article/9682
[18] http://www.linuxjournal.com/article/9649
[19] http://www.linuxjournal.com/article/9648
[20] http://www.linuxjournal.com/article/9650
[21] http://www.linuxjournal.com/article/9680