O | S | D | N NEWSLETTER September 30, 2002 DEVELOPER SERIES
The 'Developer Series' Newsletter is developed to bring Open Source related content to a user with a focus for development with Open Source If you'd like to receive more content relating to Open Source subscribe at http://www.osdn.com/newsletters/ ============================================================== Sponsored by Thinkgeek http://www.ThinkGeek.com/ ============================================================== Thinkgeek Cube Fodder: Tangle Desktop Toy http://www.thinkgeek.com/stuff/fun-stuff/5a38.shtml Gadgets: Sharp Zaurus Linux PDA http://www.thinkgeek.com/stuff/gadgets/5a3c.shtml Gadgets: Key Katcher http://www.thinkgeek.com/stuff/gadgets/5a05.shtml Tshirts: Kids: newbie http://www.thinkgeek.com/stuff/apparel/59cc.shtml Caffeine: Energy Gum http://www.thinkgeek.com/stuff/caffeine/5a35.shtml Gadgets: Super Bright GREEN Laser Pointer! http://www.thinkgeek.com/stuff/gadgets/5a1d.shtml Gadgets: SoundBug - Turns Glossy Surfaces Into Speakers! http://www.thinkgeek.com/stuff/computing/5a15.shtml Tshirts: It Must Be User Error http://www.thinkgeek.com/stuff/apparel/59fe.shtml Gadgets: Key Katcher Privacy Device http://www.thinkgeek.com/stuff/gadgets/5a05.shtml Gadgets: Mini Wireless Color Video Cam (for RC rovers) http://www.thinkgeek.com/stuff/fun-stuff/59eb.shtml Cube Goodies: Levitron Desktop Levitation Toy http://www.thinkgeek.com/stuff/fun-stuff/59a9.shtml Tshirts: Bug Off, I'm On My Break http://www.thinkgeek.com/stuff/apparel/5a00.shtml Watches: onHand PC Watch http://www.thinkgeek.com/stuff/gadgets/5a1a.shtml Caffeine: Hyperglow Caffeinated Beer http://www.thinkgeek.com/stuff/looflirpa/beer.shtml Gadgets: Desktop Zero Point Infinite Power Generator http://www.thinkgeek.com/stuff/looflirpa/zero.shtml Cube Fodder: New Desktop Mini Fridge/Warmer http://www.thinkgeek.com/stuff/fun-stuff/5991.shtml Mods: New Lian-LIi Cases http://www.thinkgeek.com/stuff/computing/cases-mods.shtml Cube Fodder: LED Binary Clock http://www.thinkgeek.com/stuff/fun-stuff/59e0.shtml Cube Fodder: Rogers Connection Magnetic Set http://www.thinkgeek.com/stuff/fun-stuff/59b4.shtml Caffeine: Warp Mints In Cinnamon Flavor http://www.thinkgeek.com/stuff/caffeine/59de.shtml Sourceforge Automated Security Tools http://sourceforge.net/project/showfiles.php?group_id=51027 Release Candidate 1 phpLotto http://sourceforge.net/project/showfiles.php?group_id=53340 phpLotto 1st Release Legend of the Wonderer TCG http://sourceforge.net/project/showfiles.php?group_id=44698 battle system in the project Docs Advanced Simlulation Toolkit http://sourceforge.net/project/showfiles.php?group_id=48818 Recruiting PHPortal http://sourceforge.net/project/showfiles.php?group_id=28568 PHPortal version 0.1.9 released! PCGen -- A d20 Character Generator http://sourceforge.net/project/showfiles.php?group_id=25576 PCGen 2.6.3 is available MySQL Objective C API for Cocoa http://sourceforge.net/project/showfiles.php?group_id=42424 SMySQL version 0.7.0 i810 Framebuffer Device Driver http://sourceforge.net/project/showfiles.php?group_id=39579 Video Overlay Support for the Intel 810 and 815 Framebuffer 'Just For Fun' Network Management System http://sourceforge.net/project/showfiles.php?group_id=46041 JFF Network Management System 0.6.4 VietPad http://sourceforge.net/project/showfiles.php?group_id=46758 VietPad 1.0.2 Release Slashdot Secret Service Goes War Driving http://slashdot.org/article.pl?sid=02/09/29/2236204 [0]JSC writes "Looks like the Secret Service is taking a page from the WarDriving handbook. Your tax dollars at work includes [1]springing for the Pringles can for the antenna." Links 0. mailto:[EMAIL PROTECTED] 1. http://story.news.yahoo.com/news?tmpl=story&ncid=528&e=1&cid=528&u=/ap/20020929/ap_on_hi_te/wireless_security UC Irvine Cracks Down on P2P http://slashdot.org/article.pl?sid=02/09/29/2218212 grendel20 writes "After years of dialup, one thing I was looking forward to the most about college was the fast ethernet connection. Upon arriving at UCI though, I found my kazaa speeds to be way below subpar. Apparently, UCI has [0]limited access for all P2P programs with this fine piece of hardware. Now what do I do?" Whether you agree with what UC Irvine is doing or not, I do applaud them for publicizing and being straightforward about it. Upstream entities can implement these sorts of controls without telling users, and it's tempting to do so because it will reduce the number of user complaints. Links 0. http://resnet.uci.edu/bandwidth.html Itanium Problems http://slashdot.org/article.pl?sid=02/09/29/1752204 webdev writes "An article in today's NYTimes (free but...) highlights some industry [0]concerns over Itanium. The author suggests the normal "what's bad for Intel is bad for the computer industry". Anyone know the power consumption for IBM's 64 bit effort GPUL?" Links 0. http://www.nytimes.com/2002/09/29/technology/circuits/29CHIP.html When Do You Really Need a Lawyer? http://slashdot.org/article.pl?sid=02/09/29/0210249 [0]Dr_Harm asks: "I recently had the misfortune to encounter a CEO who had just received the Klez virus. Apparently, he believed the 'From:' header and accused me of not only authoring the virus, but deliberately and maliciously targeting him and his organization. Normally, clueless people like this don't bother me, except he was inclined to sue me and report me to the FBI. Of course, he's got more money and lawyers than I do, and could probably have made me miserable even though I'm completely innocent... but it raises the question: How do I know when I need a lawyer?" Links 0. mailto:mdharm@@@yahoo...com OSI Approves Two New Licenses http://slashdot.org/article.pl?sid=02/09/29/1627231 An anonymous reader writes "The [0]Open Source Initiative approved two new licenses. One, the [1]Academic Free License is a MIT/BSD-like license . The other one, the [2]Open Software License is an apparently GPL-incompatible "viral" license with some obnoxious clauses. Both have an interesting "mutual termination for patent action" clause - basically, the license terminates if you file a lawsuit in any court against any software that is licensed under an OSI approved license containing the same clause." Links 0. http://www.opensource.org/ 1. http://opensource.org/licenses/academic.php 2. http://rosenlaw.com/osl.html Abrupt Climatic Change Coming Soon? http://slashdot.org/article.pl?sid=02/09/29/0035213 rRaAnNiI writes "Just read an extremely interesting article about the possibility of having a '[0]little ice age' quite soon - within a decade. The frightening thing is that it makes a lot of sense to me. Does anyone know how to build an igloo?" Links 0. http://www.whoi.edu/home/about/whatsnew_abruptclimate.html Mouse Scans Palms to Verify ID http://slashdot.org/article.pl?sid=02/09/29/1517240 [0]p00kiethebear writes "'Fujitsu is eyeing a variation on the centuries-old art of palmistry as the [1]latest biometric weapon against unauthorized access to computer systems and facilities. The company has developed a computer mouse that will scan the palm of the user and deliver not a look into the future but verify the identity of that person.', With a .5% error rate I wouldn't be surprised if we saw this in offices within the next few years." Links 0. mailto:[EMAIL PROTECTED] 1. http://www.pcworld.com/news/article/0,aid,105450,00.asp Game Industry goes from Geek to Chic http://slashdot.org/article.pl?sid=02/09/29/1522250 [0]Raiford writes "A Reuters feature [1]story describes how the computer gaming industry is shedding its geek persona in an attempt to attract Hollywood's best visual effects, sound, lighting and animation experts into the gaming fold. The story quotes the executive vice president of Electronic Arts on how rapidly advancing processor technology is demanding an expanded skill set and that Hollywood provides the ready source to meet the demand." Links 0. mailto:raifordh@yahoo-dot-com 1. http://www.reuters.com/news_article.jhtml?type=technologynews&StoryID=1509526 Help wanted: CTO at Warner Music. http://slashdot.org/article.pl?sid=02/09/29/1457230 Gill_Bates writes "It looks like Warner music group are [0]looking for a CTO. I'm intrigued by the sentence that reads "Builds prototypes and evaluates alternatives for on-line music delivery, P2P warfare, copy protection, etc." " How many job descriptions include the phrase "Warfare"? Links 0. http://www.hotjobs.com/cgi-bin/job-show?J__PINDEX=J985729OQ Linux Kernel 3.0? http://slashdot.org/article.pl?sid=02/09/29/1413239 An anonymous reader writes "[0]A discussion on the Linux kernel mailing list between Linux creator Linus Torvalds, Linux guru Ingo Molnar, and a few others debated the name of the upcoming stable kernel release. The choices: 2.6 or 3.0. Evidently there's been enough improvements, most notably the VM, that they're leaning towards calling it 3.0..." Links 0. http://kerneltrap.org/node.php?id=436 Freshmeat Binary diff utility 0.94 http://freshmeat.net/releases/98632/ bdiff is a simple and small program to do what the very common utilities "diff" and "patch" do with text files, but also works with binary files. Bit::Vector 6.3 http://freshmeat.net/releases/98619/ Bit::Vector is a (stand-alone) C library and an object-oriented Perl module (with overloaded operators) which allows you to handle bit vectors, sets (of integers), "big integer arithmetic" (cryptography), and boolean matrices (all of arbitrary size) very efficiently. chk4mail 2.12 http://freshmeat.net/releases/98623/ chk4mail lists the number of read and unread messages in all the folders in your mail directory and inbox. This is especially useful to people who automatically filter their mail to several folders. It supports standard mbox format, MMDF, MH, Maildir, and remote mail folders using IMAP. Connect 4 1.2 (Main Branch) http://freshmeat.net/releases/98611/ Connect 4 is a simple console game of Connect 4. It is purely an excercise in artificial intelligence though it is also fun to play. Look through the code if you are interested in board evaluation functions, maxi-min searching, and alpha-beta pruning. Crossfire 1.4.0-realtime.1 (Client) http://freshmeat.net/releases/98612/ Crossfire is a multi-player graphical arcade and adventure game made for X. It has certain flavours from other games, especially Gauntlet and the rogue-like games (Nethack, Moria, Angband, and Ragnarok). Any number of players can move around in their own window, finding and using items and battling monsters. They can choose to cooperate or compete in the same world. CxxTest 2.7.0 http://freshmeat.net/releases/98626/ CxxTest is a JUnit/CppUnit/xUnit-like framework for C++ that doesn't require RTTI, member template functions, exception handling, or any external libraries (including memory management, file/console I/O, or graphics libraries). It is distributed entirely as a set of header files which makes it extremely portable and usable. Date::Calc 5.3 http://freshmeat.net/releases/98620/ The Date::Calc package consists of a C library and a Perl module (which uses the C library internally) for all kinds of date calculations based on the Gregorian calendar (the one used in all Western countries today), thereby complying with all relevant norms and standards: ISO/R 2015-1971, DIN 1355 and, to some extent, ISO 8601 (where applicable). The package is designed as an efficient toolbox, not a bulky ready-made application. It provides extensive documentation and examples of use, multi-language support, and special functions for business needs. The C library is specifically designed so that it can be used stand-alone, without Perl. dchub 0.2.0 http://freshmeat.net/releases/98622/ dchub is a Direct Connect hub clone. It resembles an IRC server with some extra features dedicated to file sharing. DCTC 0.83.5 http://freshmeat.net/releases/98621/ DCTC (Direct Connect Text Client) is a library that gives access to the direct connect world, like IRC but more file-sharing oriented. eboxy 0.3.1 http://freshmeat.net/releases/98629/ eboxy is an application for building simple user interfaces for entertainment PCs, suitable for use with a remote on a TV screen. It uses SDL for graphics and XML-based interface description files, and supports TrueType fonts and PNG alpha transparency. EmeraldMoo 0.0.3 alpha http://freshmeat.net/releases/98627/ EmeraldMoo is a series of patches to LambdaMoo. It has three main purposes: To make LambdaMoo more modern and featureful, to make it a better RPG environment, and to make it a better virtual reality environment. Freecell Solver 2.8.0 http://freshmeat.net/releases/98610/ Freecell Solver is a 100% ANSI C program that automatically solves games of Freecell, and several similar Solitaire variants, as well as games of Simple Simon. It can also be compiled as a library for use within third-party applications. ghttpd 1.4-4 http://freshmeat.net/releases/98634/ ghttpd is a fast and efficient HTTP server that has CGI support. ghttpd has a small memory footprint and is capable of handling thousands of simultaneous connections. It is ideal for large and small websites. It is very simple to configure with only a few options to change if changing is needed at all. You can have ghttpd up and running within two minutes easily because of its very simple configuration file and installation routine. ghttpd will run on the majority of UNIX systems, but has not been tested on every possible platform. ghttpd also supports virtual hosts and inetd. gjots 0.2 http://freshmeat.net/releases/98633/ gjots is a way to marshall and organize text notes in a convenient, heirachical way. It is very much like the KDE program "kjots" but uses the GTK+1.2 library. It supports a heirarchy of folders. Files can be output to HTML with an automatic table of contents. gnuPod 0.2 http://freshmeat.net/releases/98617/ gnuPod is a collection of tools which allow you to use your iPod under Linux and other UNIX- like operating systems. HFS+ and FAT32 formatted iPods are supported. GoFish Gopher Server 0.14 http://freshmeat.net/releases/98609/ GoFish is a very simple gopher server. It is designed with security and low resource usage in mind, and uses a single process that handles all the connections. This provides low-resource usage, good latency, and good scalability. It also runs in a chroot environment. While GoFish must run at root privilege to be able to use port 70, it drops to a normal user while accessing files. Hodohi BBS 0.9.1 http://freshmeat.net/releases/98597/ Hodohi BBS is a free, open source bulletin board system written in Java. It features the ability to post without registration, nickname registration, the ability to edit and remove your own messages (if there are no replies), and email notification on replies. The administrator can easily edit or remove any message, deny to reply on the message, use any HTML code in messages, and use a MySQL database (other databases could be used instead). JCE taglib for JSP 0.4 http://freshmeat.net/releases/98630/ JCE taglib is a set of Open Source JSP tags, communicating with Sun's JCE (Java Cryptographic Extensions) library to bring strong encryption to your JSP applications. Jikes 1.17 http://freshmeat.net/releases/98616/ Jikes is a fast, simple, source code to byte code compiler that emphasizes strict adherence to the Java language definition. It is a high-quality tool that will help developers quickly create Java applications. Karapan Sapi 1.1.0 http://freshmeat.net/releases/98625/ Karapan Sapi is a generator that automatically create files for Struts framework based Web applications. From XML meta-data it will generate database creation scripts (SQL DDL), validation.xml, StrutsAction, StrutsForm, DAO, JSP, an Ant build file, and more. Linux From Scratch 4.0-rc1 (Development) http://freshmeat.net/releases/98615/ The Linux From Scratch project is intended for Linux users who want to build their own custom Linux system. Reasons for wanting to build such a system are diverse. Perhaps you want to get into more detail as to what happens behind the scenes. Perhaps you are fed up with distributions which are often bloated or perhaps you don't want to rely on pre-compiled binaries due to security concerns. There are many reasons why you may want a custom build system, but if you are one of them, this project is for meant for you. PBL ISAM 1.00 http://freshmeat.net/releases/98628/ PBL ISAM is a B*Tree and ISAM library. Its features include a fast B*tree implementation for random lookups, transaction handling, sequential access methods, and a small embeddable footprint. XCmail 2.2 http://freshmeat.net/releases/98631/ XCmail is a MIME and multi POP3 capable mailtool for X11 using the Xclasses X11 layout library. Its main purpose is to read and write mail, allowing any kind of data to be attached. It can handle MIME types, has helpers to show different types, and can encode and decode binary data into ASCII to allow it to be transported as mail over the Internet. It has many built-in functions such as 2 vCards, unlimited POP3 servers, SMTP, SMTP after POP3, SMTP-AUTH (RFC2554), addressbook, encoders, filters, a special spam filter, spell checker, xface, and a new "virtual folder" concept. It also uses external programs to enhance its feature set. XCmail can be extended through a plugin interface. Yammi 0.7beta http://freshmeat.net/releases/98624/ Yammi ("Yet Another Music Manager I...") is a tool for managing your MP3 music collection. It is centered around an intuitive graphical user interface and a song database, which allows for very convenient and fast access to songs. For playing songs, the program serves as a front-end for XMMS. ZenTest 1.0.1 http://freshmeat.net/releases/98614/ ZenTest scans target and unit-test code and writes the missing code based on simple naming rules, enabling XP at a much quicker pace. It only works with Ruby and Test::Unit. ZenWeb 2.14.0 http://freshmeat.net/releases/98613/ ZenWeb is a system for building entire Web sites, not just pages. It allows you to focus on the content and the structure of the website, while leaving page construction, markup, layout, and navigation as secondary concerns. It provides tools for complete Web site design and creation, simple paragraph to HTML generation with embellishments, and a rich set of tools for page and Web site creation, modification, and customization. Slashcode Updating portald blocks http://slashcode.com/article.pl?sid=02/09/27/1928216 My site portald blocks have gone insane! When portald runs, the blocks are actually updated - I check in backSlash, and the current content comes up when I edit a block, say 'slashdot'. On the main page, the block is still displaying content from the last time apache was restarted. Everything else on the page is showing new content (stories, recent topics, older stories, etc). What is going wrong??! The Ethics of Weblogging http://slashcode.com/article.pl?sid=02/09/27/0322250 Okay, this is a bit different kind of question, but it's been concerning me a lot lately. What is the "netiquette" of weblogging? For example, I saw a cool story on Slashdot that points at a page on Fortune magazine. The subject of the article is right on topic with the Slash site I'm developing. Do I quote Slashdot, or Fortune, or both? And in general, how ethical is it to create a site, the majority of which is content that others have worked to create? How to fetch a list of users? http://slashcode.com/article.pl?sid=02/09/27/0322208 Hi All, I'm new to slash and have installed one. Now i got a simple question as how to fetch a list of users from the users table? my @my_query = $slashdb->sqlSelect('nickname', 'users', 'uid!=1'); # uid 1 = anon coward Now @my_query only results in the nickname of uid 2, but I need all the users' nickname listed. How to do that? Sure other sqlSelect* give me some clues, but I kind of short on time, despite of my new acquiantance with perl and slash. Thanks for all help.Usef Does Slash work on Lindows? http://slashcode.com/article.pl?sid=02/09/25/167217 Has anyone successfully installed Slashcode on Lindows? Before I try it for myself, I wanted to know if anyone had any suggestions. Should I use software available through Click-N-Run or download everything manually? Slash moderatorlog table a black hole of mystery http://slashcode.com/article.pl?sid=02/09/23/1650226 Does anyone have the lowdown on the sturcture of the moderatorlog table? I assume this keeps track of individual moderations, etc. but part of the structure puzzles me: uid - moderator uid val - ?? sid - Story ID? (or discussion id?) ts - ?? cid - comment id cuid - uid of the comment poster (??) reason - mod reason ("offtopic", etc.) active - ?? m2count - number of metamods on this mod? If anyone has some insight into thie table structure, or can confirm or deny some of my guesses, it would help me a lot. --dbworrier theabstract.org http://slashcode.com/article.pl?sid=02/09/20/0652205 Announcing a new slash site devoted to digital film and media. The site aims to be a creative community in which users can share their work online, and engage in open discussion, review, and collaboration. http://www.theabstract.org --mbulat No Mail Sent? http://slashcode.com/article.pl?sid=02/09/19/0532208 When I select "Mail Password" for a forgotten password i get this message, but no mail is ever sent (no entry in the sendmail maillog): retrying in 1 seconds... retrying in 1 seconds... The password for jim was just emailed. AxKit and Slash http://slashcode.com/article.pl?sid=02/09/19/0531203 Has anyone tried running AxKit in the same mod_perl instance as Slash? I just tried but get the following errors on startup. I wonder if anyone could point me in the right direction for analysing this. What I don't understand is why simply adding in another perl handler would affect slash this way. httpd started Prototype mismatch: sub Slash::Apache::SlashVirtualUser vs ($$$) at /usr/local/lib/perl5/site_perl/5.6.1/i686-linux/Sl ash/Apache.pm line 71. Prototype mismatch: sub Slash::Apache::SlashSetVar vs ($$$$) at /usr/local/lib/perl5/site_perl/5.6.1/i686-linux/Sl ash/Apache.pm line 76. Prototype mismatch: sub Slash::Apache::SlashSetForm vs ($$$$) at /usr/local/lib/perl5/site_perl/5.6.1/i686-linux/Sl ash/Apache.pm line 81. Prototype mismatch: sub Slash::Apache::SlashCompileTemplates vs ($$$) at /usr/local/lib/perl5/site_perl/5.6.1/i686-linux/Sl ash/Apache.pm line 129. The line I am enabling in the httpd.conf is PerlModule AxKit I'm using Slashcode 2.2.6 and the latest AxKit release as of a few days ago. Comment Color Coding Code Complete http://slashcode.com/article.pl?sid=02/09/18/0459236 I have just submitted a patch that allows for the color coding of comments based on "freshness". Using a cookie set by article.pl and read by comments.pl the template makes the color of the table cell behind the comment subject one color if the comment was there the last time the user viewed the page and another color if the comment is new to that user. (note that this is being done on a site locked into Nested view, so every comment is visible and in a table box). This was not as easy as I thought it would be, and I would like to acknowledge the efforts of the entire team of people I work with [ http://openflows.org ], as well important advice and help that was provided by Jamie in #slash and members of the slashcode-general mailing list. You can see the code in action at http://boards.sportsnet.ca Upcoming XHTML/Accessibility Slash theme http://slashcode.com/article.pl?sid=02/09/17/2237203 I'm working on a theme based on the slashcode theme from CVS. The main goal with this theme is making Slash (more) accessible, usable and comply with the W3C's Web Content Accessibility Guidelines 1.0. This includes: Make Slash valid XHTML 1.1 Control layout with a external style-sheet ( should be valid Cascading Style Sheets, level 2 ) Remove all tables that are used for design Use <th> tags in all tables Add the <label> tag to all form labels use <h1>..<h6> to add structure to pages, not to get larger fonts add <abbr> and <acronym> tags where needed Remove light mode, since it won't be needed anymore I hope that I can finish this and do a first release real soon. This will also include a more complete list of changes. Since many of the Slashcode.com users have their own Slash sites, it would be interesting to hear if someone has some experience in making Slash more accessible / usable that they are willing to share. Any questions about the theme should be added as comment to this story and/or mailed directly to me. 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