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Transcode - The video transcoder to rule them all

October 20, 2004

This article was contributed by Dave Fancella

Transcode (also available here), is the knock-out punch of video processing tools under Linux. What began life as an AVI-file transcoding tool has blown up into a general purpose video processing tool that is capable of taking virtually any video file and encoding it to any other video codec. If you've ever tried to coerce MPlayer or its accompanying Mencoder into doing any sort of work, then you're familiar with what transcode does on a small scale. Like MPlayer, transcode does everything conceivable within its paradigm.

I stumbled across transcode under some interesting circumstances. A year ago I tried to coerce Mencoder into making MPEG files that I could image with VCDImager so I could burn my collection of Hitchhiker's Guide to the Galaxy TV episodes to SVCD. In doing so I downloaded a virtual metric ton of yuvscaler, mpeg2enc, and all sorts of other tools. I literally filled up my home directory trying to build the toolchain that every Linux/SVCD How-To instructed me to build. None of them built, and I wasted many hours at it. More recently I was fooling around with KDEnlive, trying to determine on a whim whether or not I could actually edit movies with it. I've entertained a fantasy about chaining the Back in the Red series of Red Dwarf episodes into one long movie. After wasting several hours by not reading the fine manual, I learned that to work KDEnlive I needed input files in the venerable DV format.

Not knowing what DV was, I Googled it. DV, of course, is what your digital camcorder gives you. Upon learning that, I went in search of a tool that would convert the MPEG files I had to DV, so I could make a poor man's Red Dwarf movie. I found transcode, and it appeared to be the only tool that even came close to what I was trying to do at that particular moment in time. So I started reading the documentation and quickly discovered that transcode, with the help of only some of the toolchain I had previously tried to build, would make the SVCD-compatible MPEGs I needed to burn off my Hitchhiker's collection. I found the missing pieces by doing a quick search through the available Mandrake packages, and I completely forgot about making DV files. Instead, three hours later I finally burned my first SVCD in the first truly productive tangent I had taken in months. It was the first episode of the Hitchhiker's Guide to the Galaxy.

I was amazed, to say the least. My wife had to physically stop me from bouncing off the walls.

Transcode works by utilizing a heavy plugin-based architecture. Everything transcode does is with a plugin of some sort. First it decodes the video/audio stream to an internal format. Then you can have it process the stream internally, if you wish. Then it streams to an output plugin where you can do additional processing before/during the final encoding. This web page has a pretty picture that's worth a lot more than a thousand words.

The transcode documentation is fairly thin if you don't already know a lot about video processing, but it is pretty complete otherwise. There are numerous man pages for each tool bundled with transcode, but there isn't a lot of information on the web to help you get started. Conversely, there are two mailing lists specifically for transcode that will help you solve virtually any problem you encounter, and there are also several Linux distribution mailing lists where you'll find most of the problems you may encounter already solved. After reading the documentation, I realized I hadn't actually learned anything. This is mostly due to the fact that I know next to nothing about video processing. I can list a few codecs and almost know what I'm talking about, and I'm fairly well acquainted with the standards for VCDs and SVCDs. I can also use the word "multiplex" in a conversation and sound like I know what it means. Other than that, I felt like I had been drop-kicked into a rugby match. So I went looking for the idiot guides and found them. They are thin on details, but thick on command line examples, so I was pretty confident I could convince transcode to make my SVCD for me. I also felt pretty certain I knew exactly what I needed to make it work.

Armed with this new information, I searched my package manager looking for the mjpeg-tools that I had previously wasted so much time trying to build. I didn't expect to find them, so it was a happy surprise that I only had to install a package rather than build a tool chain. Then I searched for VCDImager and cdrdao, the two tools you need to build and burn an SVCD image. I still had to build the multiplexer, but luckily this time it built and installed without any trouble. I finally felt like I was ready to make an SVCD, and at long last I thought I was finally going to see if the light at the end of the tunnel was really a train. I estimated that I was only about halfway through the process at this time, figuring it would still take me at least as long to figure out how to get each tool to do its part.

I was really wrong about how much time I had left on this tangent. Using the provided command line examples for transcoding an AVI file to an MPEG file compliant with the SVCD standard was a matter of copy, paste, and light edit. Then I waited about an hour for my slow-as-lava machine to finish working on it. Next, I ran VCDImager with a command line created by doing a simple copy and paste operation. I followed that up with another feat of middle-clicking the terminal, waited another half-hour and then told my 4 year old to put the CD back in the tray, it was done.

Then I relaxed, got some iced tea, grabbed two of my kids, and sat back to watch Arthur Dent lay in front of the bulldozer and pat myself on the back for doing such a good job of copy and paste.

Transcode is an interesting tool. It builds easily without dependency problems. It is also provided in packages for most distributions. Packages are available for Fedora, SuSE, and Gentoo. I assume Debian packages are available, I generally assume Debian has a package for anything I find until proven otherwise. Google even showed me a fink package for it. I was mystified, however, by the fact that I had never uncovered this tool before. I had literally spent days searching for something to convert my AVI files to SVCD-styled MPEGs and turned up nothing. The best I could hope for was a bash script bundled with MPlayer that probably only works on the machine it was written on. So I Googled transcode and turned up the kind of search results that tell you its time to bury the tarball with a nice-looking headstone. Upon taking a closer look I found that most of what I was seeing was recent, and there is even transcode news on both of its homepages that are recent enough to indicate vitality. I can't account for how it seems to have just appeared like it fell through a wormhole from another dimension in time to send me careening back into the tunnel which can only end in a train.

Transcode is about as full-featured as you would expect from a solid command-line video processor. It supports every codec under the sun, both as input and as output. This support includes MPEG (all flavors), still pictures, Ogg Theora, DivX, Xvid, QuickTime MOV, and more. Transcode's supported audio formats includes PCM, AC3, Ogg Vorbis, MP3 (with Lame), and others. The maximum video resolution transcode will work with is 1920x1088. It also comes with a bunch of tools that fulfill a number of uses, such as merging/splitting AVI files, fixing broken AVI files and indexes, and probing media files so you can determine the best way to encode them. You can rip DVDs with it, even encrypted DVDs using the controversial libdvdcss. Since transcode supports DV files, you can take your home videos and transcode them to SVCD MPEGs to burn and send to your friends and family. You can put images in the finished file just like your least favorite TV station, and you can even try to remove images other people have placed in the file.

Transcode is extraordinarily powerful, and when it comes to transcoding a video file from one codec to another, it's second to none. If you need to do anything of this sort, I recommend giving it a spin.

Comments (8 posted)

System Applications

Audio Projects

Planet CCRMA Changes

The latest changes from the Planet CCRMA audio utility packaging project include a new versions of STK and a new Site FAQ document.

Comments (none posted)

Database Software

knoda 0.7.2-test2 released

Version 0.7.2-test2 of Knoda, a database frontend is out with bug fixes and null value handling improvements. Also, a new test version of hk_classes has been released.

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Montag 0.6 released (SourceForge)

Version 0.6 of Montag, a web services system for XML database interaction, is available. "This version includes a new web service, XUpdateService, for modifying a single document or a collection of documents without retrieving them, through the XUpdate language."

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PostgreSQL Weekly News

The October 18, 2004 edition of the PostgreSQL Weekly News is online with another round of PostgreSQL database information.

Full Story (comments: none)

Embedded Systems

BusyBox 1.0 released

For a project which has been widely deployed and shipped in commercial products for many years, busybox has taken its time to reach 1.0. The site's front page now carries the news. "Over three years in development, BusyBox 1.00 represents a tremendous improvement over the old 0.60.x stable series. Now featuring a Linux KernelConf based configuration system (as used by the Linux kernel), Linux 2.6 kernel support, many many new applets, and the development work and testing of thousands of people from around the world."

Comments (none posted)

Filesystem Utilities

Gnome VFS Mount 0.1 is out

Version 0.1 of Gnome VFS Mount 0.1, a program for mounting gnome-vfs-uris directories on Linux filesystems, is out with numerous improvements.

Full Story (comments: none)

Libraries

libxklavier 1.10 announced

Version 1.10 of libxklavier, the X keyboard utility library, has been released. "As a start of new libxklavier development series. I announce the version 1.10 of the X keyboard utility library. This version contains improved architecture of the configuration process - not the entire configuration compilation process is performed on the client side, so X server gets absolutely prepared X configuration - this allows to eliminate problems where X server and X client have different configuration bases."

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Mail Software

PopGavaMail 0.1.2 released (SourceForge)

Version 0.1.2 of PopGavaMail, a POP3 server proxy for accessing gmail e-mail, has been released. "Version 0.1.2 fixes a major bug which was causing a NoClassDefFoundError when it was run."

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Networking Tools

NetworkManager 0.3.1 is available

Version 0.3.1, the first public release, of NetworkManager is available. "It serves as a network policy manager for the HAL-ized freedesktop.org stack. It will automatically establish wired and wireless connections, manage wireless keys, and provides developers with a high-level DBus API for controlling networking."

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Printing

CUPS 1.1.22rc2 released

Release candidate 2 of CUPS 1.1.22 (Common Unix Printing System) has been announced. "CUPS 1.1.22 is a bug fix release which fixes device URI logging, file descriptor and memory leaks, crashes related to printer browsing, and error handling in the browsing code. The new release also adds support for PostScript files from other Windows PostScript drivers."

Comments (none posted)

Security

BASE 0.9.8 Released (SourceForge)

Version 0.98 of BASE, a web front-end to the SNORT intrusion detection system, has been announced. "This version adds PHP 5 support along with a user authentication system. We have also changed the look and feel of the application and fixed a number of bugs. Working with the Snort and BASE community, we have tried to incorporate all of the features that users have asked for."

Comments (none posted)

Web Site Development

Albatross 1.20 released

Version 1.20 of Albatross, a Python-based toolkit for developing highly stateful web applications, has been released. "There have been many improvements and bug fixes since release 1.1."

Full Story (comments: none)

Araneida 0.9 released

Version 0.9 of Araneida, a Common Lisp-based HTTP server, is available. "This version improves portability and provides SERVE-EVENT fixes."

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Midgard 1.6.0rc2 released

Version 1.6.0rc2 of Midgard, a web CMS platform, has been released. New features include multiple language support, PAM support, an Apache2 module, Apache 2/PHP interoperability, and more.

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mnoGoSearch 3.2.22 search engine

Version 3.2.22 of the mnoGoSearch web site search engine has been released. Changes include a new template section, support for user defined sections, speed improvements, bug fixes, and more. See the Change Log for more information.

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Quixote 2.0a1 released

Version 2.0a1 of the Quixote web development platform is out. Changes include software restructuring, support for Unicode, and more, see the CHANGES file for details.

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UnCommon Web 0.3.1 released

Version 0.3.1 of UnCommon Web, a Common Lisp-based web application development framework, is out. "This version provides optional cookie based session tracking, a MOP-based component implementation, an improved template-component API, a more robust application dumping facility, and more."

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Miscellaneous

GNOME Schedule 0.1.0 released

Version 0.1.0 of Gnome-schedule, a configuration tool for at and cron, is out. "This release is a BETA release and we hope to get sorted out as many bugs as possible before the main release, there will be no new features added. But we are very intersted in your comments or proposals."

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MultiTail 3.4.0 released

Stable release 3.4.0 of MultiTail is available. "MultiTail lets you view one or multiple files like the original tail program. The difference is that it creates multiple windows on your console (with ncurses). It can also monitor wildcards: if another file matching the wildcard has a more recent modification date, it will automatically switch to that file. That way you can, for example, monitor a complete directory of files."

Full Story (comments: 1)

Desktop Applications

Accessibility

Update on Assistive Technologies for Qt4 (KDE.News)

KDE.News reports on a new release of cspi-dbus bridge. "Together with the Qt 4 D-BUS bindings, it is now possible to write KDE assistive technologies that transparently interact with Qt/KDE applications as well as GTK/GNOME applications."

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Audio Applications

Goobox 0.1.0 released

Initial version 0.1.0 of Goobox, a CD player and ripper for the Gnome Desktop environment, is out. "it uses gstreamer to play and rip CDs and cddb-slave2 (distributed with gnome-media) to get and edit CD metadata such as track titles and album name."

Full Story (comments: none)

Data Visualization

Gmsh 1.56 released

Version of Gmsh, a 3D mesh generator, is available. The announcement says: "This release contains small updates and bug fixes all over the map, as well as a new utility to reorder mesh files."

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Desktop Environments

GNOME Applets 2.8.1.1 are out

Version 2.8.1.1 of the GNOME Applets are available with bug fixes. "Just about everyone uses a GNOME Applet or two, the package includes applets like the battery applet, CPU load applet, weather applet and mixer applet."

Full Story (comments: none)

Metacity 2.8.6 announced

Version 2.8.6 of Metacity, a simple window manager for GNOME 2, has been announced. "This is a stable release for Gnome 2.8.1." Numerous bug fixes are included.

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Konqi Graphics Updated, Promo Video Makes Debut (KDE.News)

New Konqui graphics are available, according to KDE.News. "A range of new Konqi the Dragon graphics and the first Konqi video has been put together by newcomer to the KDE Artists mailing list Bastian Salmela (Basse). Unlike previous versions, this new Konqi wireframe model is made in the Free Software application Blender. You can find Konqi and the Magical Rope of Curiosity video (our killer feature at LinuxWorld London) as well as still graphics and their sources on the KDE Clipart page and Basse's KDE page."

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KDE CVS-Digest (KDE.News)

The October 15, 2004 edition of the KDE CVS-Digest is online. Here's the content summary: "Pixie Plus returns with new maintainer. Krita now shears and rotates images. KPresenter adds master page support. amaroK now support NMM. Plus coverage of the GStreamer presentation from the aKademy conference."

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KDE Performance Tips Updated (KDE.News)

KDE.News mentions the availability of a new KDE Performance Tips document. "Many aspects of KDE performance depend on the underlying system or the user's configuration. The KDE Performance Tips document, which lists some of the performance related issues together with instructions how to avoid or fix the problems, has been updated with new tips."

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Desktop Publishing

Kile 1.7 released

Version 1.7 of Kile, an Integrated LaTeX Environment for KDE, has been released. Changes include a new tool system, support for other TeX systems, LaTex command autocompletion, system check, and a detailed clickable error summary.

Full Story (comments: 2)

New LGPL font available: Essays 1743 0.2

The Essays 1743 font is available in TrueType and PostScript formats under the LGPL. "It's based on the typeface from a 1743 English translation of the essays of Montaigne; so, broadly speaking, it looks old without being so old it's hard to read. If you've read any of Neal Stephenson's last three books, you've seen such a font."

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Electronics

Open Collector Releases

The latest new electronics applications on Open Collector include Kicad 11-10-04 (a PCB suite), Icarus Verilog 0.8 (a Verilog simulation language compiler), and XCircuit 3.3, (a schematic capture application).

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Games

Atlas-C++ version 0.5.91

Version 0.5.91 of Atlas-C++ has been announced. "Atlas-C++ is the C++ implementation of the WorldForge protocol. This released is aimed at developers working on code that will be used with the Atlas-C++ 0.6 API which is currently in development." Changes include API improvements and codec fixes.

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GNOME War Pad 0.3.3 released

Version 0.3.3 of GNOME War Pad, a GNOME VGA Planets client, has been released with numerous changes and translation improvements.

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Graphics

Tux Paint 0.9.14 announced

Version 0.9.14 of Tux Paint has been released. "To briefly describe the app., it's a drawing program for children 3 and up, which has been translated to over 45 languages, runs on various OSes, and is released under the GNU GPL."

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GUI Packages

FLTK 1.1.5 is out

Version 1.1.5 of FLTK, the Fast, Light Toolkit, has been released. "The FLTK 1.1.5 release is primarily a bug-fix release including documentation updates, fixes for 64-bit platforms, FLUID, several widgets, and GLUT emulation, and fixes for several platform-specific issues. The new release also adds project files for Visual C++.NET and supports KDE 3.x icons."

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Gazpacho 0.3.1 announced

Version 0.3.1 of Gazpacho, a GUI builder for the GTK+ library, has been released. Changes include preparations for adding unit testing, a Gazpacho loader delegate, bug fixes, and more.

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Instant Messaging

Silky 0.5.2 released

Version 0.5.2 of Silky, a secure chat client for GTK2, is out. Changes include GTK 2.2 compatibility, a new GETKEY command, bug fixes, and more.

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Interoperability

Wine 20041019 Released (SourceForge)

Version 20041019 of Wine has been released. Changes include primary Direct3D 9 support, improvements to the IDL compiler and the COM headers, a new MSCMS dll, and bug fixes.

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Wine Traffic

The October 15, 2004 edition of Wine Traffic is online for your reading enjoyment.

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Mail Clients

Evolution 2.0.2 is available

Version 2.0.2 of the Evolution mail client has been released. Lots of bug fixes are included in this release.

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Music Applications

liblo 0.13 announced

Version 0.13 of liblo, an implementation of the Open Sound Control protocol for POSIX systems, has been released. "This release adds Mac OSX compatibility fixes from Taybin Rutkin, a memory leak fix from Jesse Chappell and methods and examples to allow server polling from exisitng threads from Sean Bolton. Some legacy compatobility code has been removed, but this should not affect anyone."

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Office Suites

PyOpenOffice 0.23 released

Version 0.23 of PyOpenOffice, a platform-independent Python class library and command-line utility which can convert OpenOffice.org files to PDF, is available.

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Peer to Peer

BTQueue 0.0.16 has been released (SourceForge)

Version 0.0.16 of BTQueue, a console-based BitTorrent Client, has been released. "BTQueue 0.0.15 is stable enough for long run. BTQueue. 0.0.16 has been modified to extend its functionality for maximum extensibility."

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Digital Photography

digikam 0.7-beta1 released

Version 0.7-beta1 of digikam,a digital photo management application for KDE, has been released. This version adds a long list of new features.

Full Story (comments: none)

DigikamImagePlugins 0.7.0-beta1 released

The first beta release of digiKam Image Editor Plugins 0.7.0 is out. "DigikamImagePlugins are a collection of plugins for Digikam 0.7.0 Image Editor. These plugins add new image treatment options like color management, filters, or special effects."

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Science

gNumExp 0.9 announced

Version 0.9 of gNumExp, a gui frontend to the NumExp math-oriented programming language, has been released. Changes include integration with a new MIME system, improved user interface, better MathML rendering, a new load/save progress dialog, bug fixes, and more.

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it++ 3.8.0 release candidate 1 (SourceForge)

Release candidate 1 of it++ 3.8.0, a cross-platform C++ library of mathematical, signal processing, speech processing, and communications classes and functions, is available. "The kernel of the package are templated vector and matrix classes and lots of functions for vectors and matrices. As such the kernel is similar to the Matlab functions. IT++ is based on LAPACK, CBLAS and FFTW. This is the first release candidate of a new major release. It has tested on Linux and Cygwin on Windows but not on Windows using Visual C++ .Net 2003."

Comments (none posted)

Web Browsers

Epiphany 1.4.4 released

Version 1.4.4 of Epiphany, a browser for GNOME, is out with several bug fixes.

Full Story (comments: none)

Independent Status Reports (MozillaZine)

The Mozilla Independent Status Reports for October 11, 2004 are available. Here's the content summary: "This week's set of reports includes updates from cuneAform, Gnusto, MozManual, purgecontrol, Caminol10n, Mozilla Archive Format, OutSidebar, HONcode Status, and Mail Redirect."

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Miscellaneous

Animal Shelter Manager 1.36 Released (SourceForge)

Version 1.36 of Animal Shelter Manager is available. "Animal Shelter Manager is a complete computer solution for animal sanctuaries and shelters. Features complete animal management, document generation, full reporting, charts, internet publishing, pet search engine integration, web interface and more. This release adds many new features, including native installers for all platforms, editable vet book, FIV/L result tracking, automatic logout, better media support, multiple movement donation support, tattoo support, improved database handling, better UI widgets, video capture (Linux only) and many bug fixes."

Comments (none posted)

GNOME Terminal 2.8.0 is out

Version 2.8.0 of GNOME Terminal has been released. "This is mostly a release to get updated translations and to have a new release for GNOME 2.8.1."

Full Story (comments: none)

Seahorse 0.7.4 is out

Version 0.7.4 of Seahorse, a PGP key management application, has been released with a long list of changes.

Full Story (comments: none)

Languages and Tools

Erlang

Erlang/OTP R10B has been published

Version R10B of the Erlang/OTP environment is available. Changes include better performance, a new tutorial, the addition of try/catch to the language syntax, a new Query List Comprehensions addition, a new XML parser, improvements to the Erlang shell, and more.

Full Story (comments: none)

Java

XML Messaging Using JBoss (O'ReillyNet)

Benoit Aumars writes about the Java Messaging Service on O'Reilly. "Simple communication in an enterprise system is possible through various schemes, but not all of them answer the question of coordination. Benoit Aumars presents a hypothetical case study that shows how generating and sharing information in XML is made easier with Java Messaging Service (JMS) and Java Management Extensions (JMX)."

Comments (none posted)

Lisp

AspectL 0.6.2 released

Version 0.6.2 of AspectL, a library that provides aspect-oriented extensions for Common Lisp/CLOS, has been released. "Pascal Costanza has released AspectL 0.6.2 on 10 October 2004. This version changes the way special classes are handled."

Full Story (comments: none)

Perl

Optimize Perl

Martin C. Brown shows how to optimize Perl code on IBM developerWorks. "Perl is an incredibly flexible language, but its ease of use can lead to some sloppy and lazy programming habits. We're all guilty of them, but there are some quick steps you can take to improve the performance of your Perl applications. In this article, I'll look at the key areas of optimization, which solutions work and which don't, and how to continue to build and extend your applications with optimization and speed in mind."

Comments (none posted)

This Week on perl5-porters (use Perl)

The October 11-17, 2004 edition of This Week on perl5-porters is out with a 5 year celebration of the release of Perl 5 and other Perl topics.

Comments (none posted)

FMTYEWTK About Mass Edits In Perl (O'Reilly)

Geoff Broadwell edits multiple files with Perl on O'Reilly. "For those not used to the terminology, FMTYEWTK stands for Far More Than You Ever Wanted To Know. This one is fairly light as FMTYEWTKs usually go. In any case, the question before us is, "How do you apply an edit against a list of files using Perl?" Well, that depends on what you want to do...."

Comments (none posted)

PHP

Migrating to Page Controllers (O'ReillyNet)

Ethan McCallum discusses the Page Controller design pattern on O'Reilly. "Simple web apps can start simple, but when they grow more complex, they often need pruning and refactoring to be maintainable. The Page Controller design pattern can help separate concerns such as templates and logic. Ethan McCallum demonstrates this language-neutral technique with PHP."

Comments (none posted)

Python

Python 2.4, beta 1 Released

The first beta of Python 2.4 has been announced (click below). If you like living on the bleeding edge, download it, kick the tires, and report those bugs.

Full Story (comments: none)

python-dev Summary

The September 16-30, 2004 edition of the python-dev Summary is available. Take a look for recent discussions from the python-dev mailing list.

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Dr. Dobb's Python-URL!

The October 18, 2004 edition of Dr. Dobb's Python-URL! is online with the week's Python language article links.

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Tcl/Tk

Dr. Dobb's Tcl-URL!

The October 19, 2004 edition of Dr. Dobb's Tcl-URL! is online. Take a look for a weekly dose of Tcl/Tk articles.

Full Story (comments: none)

XML

The State of Python-XML in 2004 (O'Reilly)

Uche Ogbuji has assembled a giant table of Python-XML utilities in an O'Reilly article. "The general rules of thumb for including software are, firstly, whether it implements a technology or set of technologies strongly associated with XML; and secondly, whether it does so in a way that is useful for any arbitrary XML file I may want to process."

Comments (none posted)

Control information access with XACML (IBM developerWorks)

Manish Verma covers XML security issues on IBM developerWorks. "Providing the right people with the right access to information is as important as (if not more important than) having the information in the first place. eXtensible Access Control Markup Language -- or XACML -- provides a mechanism to create policies and rules for controlling access to information. In this article, author Manish Verma continues his series on XML security issues by showing you how to incorporate XACML into your own applications."

Comments (none posted)

SVG At the Movies (O'Reilly)

Antoine Quint writes about SVG and multimedia on O'Reilly. "If you're a regular reader of this column, or if you just read the specification carefully, you would know that SVG is more than just a vector graphics XML vocabulary. While I won't bore you here with the list of application contexts SVG is suited for, I will point out that since Day One there have been synergies between the work that took place at W3C around multimedia (SMIL) and SVG."

Comments (none posted)

Build Tools

iCompile 0.4 Released (SourceForge)

Version 0.4 of iCompile, an automated build system for C++ projects, is out. "The 0.4 release topologically sorts library dependencies (so *you* don't have to figure out whether -lSDL comes before or after -lpthreads in the link list) and adds .icompile and ice.txt files to allow project customization."

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Editors

GHex 2.8.1 released

Version 2.8.1 of GHex, a binary file editor, is available. "A quick follow-up to the still warm 2.8.0: I have fixed a build bug that might have, under very special circumstances, caused an incompatible version of dependencies (like glib or gtk) to be pulled in the build, and a bug in the converter that caused only one byte of hex to be displayed."

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