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I've got a data frame describing comments on an electronic journal, wherein each row is a unique comment, like so: commentID author articleID 1 1 smith 2 2 2 jones 3 3 3 andrews 2 4 4 jones 1 5 5 johnson 3 6 6 smith 2 I want know the number of unique authors per article. I can get a table of article frequencies with table(articleID)...

...an extension of DMReview magazine online. ======================================================================= Industry Standards Can Help Pave the Road to Compliance by Brian Sennett Service-oriented architectures can aid in compliance. http://www.dmreview.com/editorial/newsletter_article.cfm?articleId=1028543 The Ugly Truth about Data Quality by Larry Burns Just because an application functions perfectly well even when the data behind it is bad, attempting to reuse that data for another purpose is when we discover how inaccurate, outdated or irrelevant it is, and by then it is usually too late...

...undation for Good Governance and Risk Management by Murray S. Mazer This article looks at how a company can institute a data auditing solution and the benefits it can bring to improve governance, reduce risk and insure regulatory compliance. http://www.dmreview.com/editorial/newsletter_article.cfm?articleId=1029290 When Shrinkage is a Good Thing! Three Ways to Shrink Your Batch Window and Save by Ray Nissan Innovative job scheduling has the power to meet today's business objectives of straight-through processing and real-time information. http://www.dmreview.com/editorial/newsletter_article.cfm?...

The H.264 codec patent by Qualcomm has been ruled invalid by a San Diego Federal jury: http://www.eetimes.com/news/semi/showArticle.jhtml?articleID=197001066 . That means that H.264 codecs can now be written, distributed and revised freely under any license their authors choose, including GPL, public domain, or any other, and $free now that royalties are no longer required. How does H.264 compare with GSM and G.729 in CPU demand (MIPS:Kbps)...

Here's t link: http://www.informationweek.com/story/showArticle.jhtml;jsessionid=JUEFVG ENEA01YQSNDBCCKH0CJUMEKJVN?articleID=165702588 The bottom line is that they compare retail VOIP providers like Comcast Cable, Time-Warner Cable, AT&T, Vonage, Packet8 et al. Their methodology seems sound. Their conclusion is that retail VOIP services don't yet match the PSTN for reliability & call quality. It is interest...

hey, i''ve created a basic content management system using rails and scriptaculous. I posted a first version last week, but I heavily extended it since then. Features: Pages are arranged in a sortable tree (sortable by drag and drop) Pages have "nice" URLS (no /index?articleid=97361496 or something) Cacheing on page basis every page has a layout with a number of columns page elements can be put into the columns by drag and drop (sortable lists) Each page element has its own view and controller. Up to now I have created Title, raw HTML, rich text editor and rails compon...

...to Avoiding Challenged Projects by Rudolf Melik This article discusses the focus of traditional project management, the importance of a disciplined and repeatable approach, and the benefits of working toward process-driven project execution. http://www.dmreview.com/editorial/newsletter_article.cfm?articleId=1029814 The Data Warehouse Appliance Myth by Roger Gaskell In this day and age, do you only want single-use proprietary hardware? http://www.dmreview.com/editorial/newsletter_article.cfm?articleId=1029817 Enterprise Information Integration: A Pragmatic Approach by JP Morgenthal This excerpt is...

...============================================ The Microsoft .NET Model by Rex Brooks and Russell Ruggiero This is the second of a four-part series on J2EE and .NET development paths to build Web services within servce-oriented architectures. http://www.dmreview.com/editorial/newsletter_article.cfm?articleId=1028354 Six Sigma Analysis in Data Warehouse Design, ETL Performance Prediction Model by Vladimir Boroditsky and Christine Molinare Prediction of production performance on early project stages allows for advanced deployment planning, design solutions and production environment tuning. This articl...

Hey, just came across this article. http://www.eetimes.com/news/latest/showArticle.jhtml;jsessionid=ZLCZZJMVGJYNYQSNDLSCKHA?articleID=201202250 . Many of you would be already aware of this. It mentions flac also. i feel it is a good segment(stereo wireless headsets over bluetooth) to push flac given very light decoder and using encoder at low compression(to reduce complexity). Though very less is known in terms of compression an...

The Skype network is circulating a virus that has appeared there before: http://www.informationweek.com/news/showArticle.jhtml?articleID=198500135 . The virus sends a URL to other Skype users in the infected user's contacts, which the target Skype displays as clickable. Clicking downloads the virus. Asterisk supports features like these, in combination with certain clients (which aren't themselves Asterisk), including IM and...

...(and there are limits appled), when the user logs out, he/she gets a warning, and a list of files, sorted from the biggest, to the smallest. To get an idea how it looks like, here's a screenshot: http://www.windowsitpro.com/Files/5057/Screen_03.gif http://www.windowsitpro.com/Windows/Article/ArticleID/5057/5057.html Is it possible to do something like that with a Samba domain controller? With quota enabled on a Samba server, user just gets a small error window, and has to scroll down and read a lot of text to understand what happened (and in the end he/she will probably not notice/understan...

...the death of responsible journalism. Silence.....................good enough. This article goes on to tell about Pingtel's announcement of forming the "first open source community aimed at creating SIP based servers". http://www.networkmagazine.com/shared/article/showArticle.jhtml?articleId=18 900066&classroom= Yipeeeeeee! I am embarrassed and appalled with the lack of recognition or mention of all the tremendous work in this "already existing community". I'm writing a letter to the editor and encourage all of you to do the same. Send your comments to networkmag@...

Any thoughts on articles like this one - http://www.theregister.co.uk/2008/02/21/microsoft_goes_open/. This mentions the Vista API, but I wonder about earlier API's. I also saw something the other day about source code for .Net being released as a "learning tool". Of course, all of this is in a bid to get Office XML approved as an ISO standard. They don't just give stuff away

...end end 003: class CreateComments < ActiveRecord::Migration def self.up create_table :comments do |t| t.column :comment, :text, :null => false t.column :creator, :string, :null => false t.column :creationdate, :timestamp, :null => false t.column :articleid, :integer, :null => false end execute "alter table comments add constraint fk_comment_articles foreign key(articleid) references articles(id)" end def self.down drop_table :comments end end -- Posted via http://www.ruby-forum.com/...

Hello, does someone knows how gmail does file upload when the attached files are automatically saved in drafts ? I am trying to do it in Scriptalicious/Prototype but I don''t see how they get the file on the system using js... Tarek _______________________________________________ Rails-spinoffs mailing list Rails-spinoffs-1W37MKcQCpIf0INCOvqR/iCwEArCW2h5@public.gmane.org

...rce", @body="body", @archive=nil, @att="attribution here", @blurb="Signs and symptoms of food poisoning", @post=nil, @fimage=nil, @head="Health Tip: Eaten Bad Food?">] I have a database schema that looks like this: Code: create table Newsfeeds ( ArticleId varchar(100), PostingDate date, ArchiveDate date, NewsType varchar(100), Headline text, Blurb text, Byline varchar(100), Body text, FeatureBlurb text, FeatureImage...

Hope this isn't too far OT, but its relevant to us. From isn.attrition.org >http://www.informationweek.com/story/showArticle.jhtml?articleID=20300851 > >By W. David Gardner >TechWeb News >May 13, 2004 > >As voice over IP sweeps across the high-tech landscape, many IT >managers are being lulled into a dangerous complacency because they >look upon Internet phoning as a relatively secure technology--not as >an IP...

...x_ds Pioneer SC-LX90 amplifier http://www.techgadgets.in/misc-gadgets/2007/01/pioneer-sc-lx90-advanced-amplifier-launched/ Denon AVR-4308DAB receiver http://www.tech.co.uk/home-entertainment/home-cinema/home-cinema-separates/av-amps-and-receivers/news/denon-unleashes-avr-4308dab-monster-movie-amp?articleid=2102358567 Sound Devices 7-Series recorders http://sounddevices.com/news/2-34.htm Sangean WFR-20 Wi-Fi Internet Radio http://www.sangean.com/product.php?model=WFR-20 OPPO Super Five PMP http://www.slashgear.com/oppo-super-five-amazing-pmp-from-chinese-manufacturer-147952.php also Vegas Pro 8, S...

...INAs offices in Oslo. Annual salary is between NOK 459 100 and NOK 482 500 for Ph.D. candidate, or between NOK 579 300 and NOK 590 000 for Postdoc, depending on qualiifaction. The deadline is 10th November 2017. All relevant information is found here: http://www.nina.no/english/News/News-article/ArticleId/4354/Postdoc-Phd-Urban-nature-values-1 Please help spread the information. Sincerely, Xianwen [[alternative HTML version deleted]]

...: Jun 16, 2006 8:53 AM Subject: FW: Ajax used for the Yamanner virus To: Bakki Kudva <bakki.kudva@gmail.com> FYI _____________________________________________ Hi Guys, A first! for the pitfalls of Ajax, if used indiscriminately: http://www.informationweek.com/security/showArticle.jhtml?articleID=189400799 -------------------------------------------------------------------------------------- Yahoo Mail Worm May Be First Of Many As Ajax Proliferates Companies are quickly embracing Ajax and related techniques for Web applications. Expect more security problems like the Yamanner worm along t...