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  • Using R on your Oracle Data Warehouse

    - by jean-pierre.dijcks
    Since it is Predictive Analytics World in our backyard (or are we San Francisco’s backyard…?) I figured it is well worth the time to dust of some old but important news. With big data (should we start calling it “any data analytics” instead?) being the buzz word and analytics the key operative goal, not moving data around is becoming more and more critical to the business users. Why? Because instead of spending time on moving data around into your next analytics server you should be running analytics on those CPUs. You could always do this with Oracle Data Mining within the Oracle Database. But a lot of folks want to leverage R as their main tool. Well, this article describes how you can do this, since 2010… As Casimir Saternos concludes in the article; “There is a growing awareness of the need to effectively analyze astronomical amounts of data, much of which is stored in Oracle databases. Statistics and modeling techniques are used to improve a wide variety of business functions. ODM accessed using the R language increases the value of your data by uncovering additional information. RODM is a powerful tool to enable your organization to make predictions, classify data, and create visualizations that maximize effectiveness and efficiencies.” Happy Analysis!

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  • Persisting high score table in flash game without a network. (Featuring: HttpListenerException)

    - by bearcdp
    Hi everyone, this question is very programming-centric, but it's for a game so I figured I might as well post it here. I'm doing polishing work on a GGJ '11 game because it will be shown at an indie arcade tomorrow afternoon, and they're expecting our final build in the morning. We'd like to have a high score table that displays during attract mode, but since it's Flash (Flixel) it would require some networking, Mochi, or something to keep a record of these scores. Only problem is the machine we'd be running on probably won't have network access. As a quick solution, I thought I'd just write up a dinky little high score server in C#/.NET that could take basic GET requests for submitting scores and getting the score list. We're talking REAL basic, like blocking while waiting for an incoming request, run & forget console app, etc. There's no guarantee that our .swf won't get reloaded, and we'd like the scores to persist, so this server would pretty much exists to keep a safe copy of the scores that the game can add to and request, and occasionally the server will write the scores to a flat text file. But, HttpListener is giving me Error Code 87 'The parameter is incorrect.' Have any idea what I'm doing wrong? Or better yet, am I barking up the wrong tree and missing an obviously simpler solution? This is all I've got so far in my Main(): HttpListener listener = new HttpListener(); listener.Prefixes.Add("http://localhost:66666/"); listener.Start(); The exception happens at listener.Start(); and the stack trace is: at System.Net.HttpListener.AddAllPrefixes() at System.Net.HttpListener.Start() at WOSEBCE_ScoreServer.Program.Main(String[] args) in C:\Users\Michael\Documents\Visual Studio 2010\VS2010 Projects\WOSEBCE_ScoreServer\WOSEBCE_ScoreServer\Program.cs:line 24 at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args) at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args) at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly() at System.Threading.ThreadHelper.ThreadStart_Context(Object state) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state) at System.Threading.ThreadHelper.ThreadStart()

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  • Does the app need to be run from /opt directory for in the Ubuntu App Showdown?

    - by costales
    I read this question, but I'm more confused yet. In developer.ubuntu.com/showdown I read: "(2) run out of /opt" (I understand "run out" is not in /opt :O Am I wrong?) In https://wiki.ubuntu.com/AppReviewBoard/Review/Guidelines#Packaging I read: "our package should install most files in /opt/extras.ubuntu.com/" It's not clear for me if the app must be in the /opt or out /opt :$ Then, can I use the /usr? Will be the app rejected if it's on /usr? Thanks! :)

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  • What percentage of bugs should be stamped out before a project can be accepted as a stable release?

    - by SixfootJames
    We have been working with a shopping cart for DotNetNuke, and have had endless problems with the developer's releases of their product. Every release fixes one thing but new bugs pop up elsewhere. I know that bugs are inevitable and that we cannot squash all of them at the time, but can someone please tell me what percentage of bugs should be stamped out before a product can be accepted as a stable release?

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  • How can I display images on a MS Access 2007+ form with a hyperlink source?

    - by Yaaqov
    I am looking improve the efficiency of an Access 2010 database by using a web server with images and only storing the hyperlink source (i.e, http://www.images.com/images/image1.jpg) in the table. I know that one can save images as "attachements", using a "blob" object type, but when you're dealing with thousands of images, queries are bogged down, and performance suffers. So in short, is there are relatively simple way of displaying images on MS Access forms with a source that is a hyperlink address (storing files locally and using filepaths is not preferable). Thanks.

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  • ASP.NET Querystring: Basic Dynamic URL Formations

    If you are a beginner to ASP.NET 3.5 you might ask How are dynamic URLs using queries generated in ASP.NET In developing dynamic websites those that strongly depend on using a database to present content it is of the utmost importance that you clearly understand how to work with query-based URLs. This article will show you how.... Reach Millions of Netbook Users Easily create and sell netbook apps with the Intel? Atom? Developer program

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  • need help in backing up 2 partitions to flash drive(Acronis)

    - by Nrew
    I'm trying it on virtual box and installed Acronis 2010. The backup was successful but when I checked on the backup which is on my flash drive. Here's my problem: Ive installed firefox before the backup, but the program files folder in the flash drive has no folder called firefox. How do I restore the the 2 partitions using the backup. What I did was to: Go to tools & utilities in Acronis then chose clone disk. Selected the source and destination(flash drive). Then I restart, the backup began. First with the first partition which has xp installed and the 2nd was vista lite. What do I do to restore it: I only got these folders on the root of the flash drive: Documents and settings Program files Windows BOOTSECT.BAK

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  • Free Webinar week by Telerik

    - by pluginbaby
    Telerik offers a series of free Webinars to discuss the latest innovations for Windows 8, Visual Studio 2012, Data Visualization and their Leading Product Portfolio. These “What's New Webinar” will have live demos that highlight the hot features from their latest release (Telerik DevCraft Q3). Webinar week will take place on October 22 – 26, 2012. For more information and to register: http://www.telerik.com/developer-productivity-tools/whats-new.aspx Bonus note: all participants will have a chance to win a free DevCraft Ultimate license (worth $1999!)

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  • Is Microsoft Azure Powering Apple`s iCloud?

    When Apple unveiled its iCloud service at its Worldwide Developer Conference in San Francisco last week some observers called the huge project game-changing. Few noted the challenges inherent in managing an online storage center of this magnitude. Now it looks like Apple has turned to Microsoft and Amazon for help.... Are You Ready for IPv6? Test Your IPv6 Readiness: Take the Challenge Now and Enter to Win an iPad!

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  • Excel shows different files in same window

    - by pacoverflow
    In a browser, I downloaded an Excel spreadsheet and it displayed a dialog box asking what to do with it, so I selected "Open in Excel". Then I downloaded another Excel spreadsheet and opened that one in Excel as well. My taskbar shows 2 Excel icons, but there's only one Excel window. When I use the taskbar to switch between the spreadsheets, each one replaces the other in the Excel window. How can I get 2 Excel windows - one for each spreadsheet? I am running Windows 7 with Excel 2010.

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  • What non-programming books should a programmer read to help develop programming/thinking skills?

    - by FeatureCreep
    There are a lot of questions about what programming books should be on the programmer's bookshelf. How about non-programming related books that can help you become a better programmer or developer? It would also be interesting to know why they would help. My first choice would be Sun Tzu's "Art of War" (however cliché), because it made it obvious that the success of any project depends on the strength of its weakest link (and warfare is a big project).

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  • php programming

    - by HARSHA
    Hi, i am learning php,i downloded the xampp.and Apache server,Mysql are running properly in Xampp Control panel. I tried with a simple program that is hello world,i created a new folder in htdocs, and i saved my program in that new folder with .php extention. But when i run the program then is showing a error as follows ------ Object not found! The requested URL was not found on this server. If you entered the URL manually please check your spelling and try again. If you think this is a server error, please contact the webmaster. Error 404 localhost 18-5-2010 11:51:44 Apache/2.2.14 (Win32) DAV/2 mod_ssl/2.2.14 OpenSSL/0.9.8l mod_autoindex_color PHP/5.3.1 mod_apreq2-20090110/2.7.1 mod_perl/2.0.4 Perl/v5.10.1

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  • EZ Systems publie trois patchs de sécurité, qui concernent des failles sur les versions 4.1 et 4.2 d

    EZ System, éditeur du gestionnaire de contenu EZ Publish vient de publier une série de trois patchs de sécurité. [IMG]http://djug.developpez.com/rsc/Ez-publish-Logo_medium.gif[/IMG] ces patchs concernent des failles affectant les versions 4.1 et 4.2 du CMS, il est vivement recommandé d'appliquer ce patch. -> Les patchs se trouvent ici http://ez.no/developer/security/secu...y_in_ez_search -> Communiqué officiel http://share.ez.no/blogs/ez/security...lish-instances...

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  • Windows Phone 8, I want you to be successful

    - by Sahil Malik
    SharePoint 2010 Training: more information I assure you, SharePointy posts are on their way – LOTS of them. Just aligning my cannons. But, here is something I need to get off my chest. Just think of this as thoughts of a fellow techie who wants the best for all of us. Consider this, There would have been no IE7, if there was no Firefox. There would be no Azure if there was no Amazon AWS. There would be no Windows Phone 7 if there was no iOS. And if there was no MacOS, you my dear friend would have to choose between Linux or Windows ME. See! Choice is good. Not only is it good for the consumer, it is good for us techies, us engineers. If there is no innovation, there is no new knowledge being created. No innovation devalues our minds – when there is no use for them. No innovation also means poorer experience for users. The tech industry is very different. Read full article ....

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  • I'm graduating with a Computer Science degree but I don't feel like I know how to program.

    - by wp123
    I'm graduating with a Computer Science degree but I see websites like Stack Overflow and search engines like Google and don't know where I'd even begin to write something like that. During one summer I did have the opportunity to work as a iPhone developer, but I felt like I was mostly gluing together libraries that other people had written with little understanding of the mechanics happening beneath the hood. I'm trying to improve my knowledge by studying algorithms, but it is a long and painful process. I find algorithms difficult and at the rate I am learning a decade will have passed before I will master the material in the book. Given my current situation, I've spent a month looking for work but my skills (C, Python, Objective-C) are relatively shallow and are not so desirable in the local market, where C#, Java, and web development are much higher in demand. That is not to say that C and Python opportunities do not exist but they tend to demand 3+ years of experience I do not have. My GPA is OK (3.0) but it's not high enough to apply to the large companies like IBM or return for graduate studies. Basically I'm graduating with a Computer Science degree but I don't feel like I've learned how to program. I thought that joining a company and programming full-time would give me a chance to develop my skills and learn from those more experienced than myself, but I'm struggling to find work and am starting to get really frustrated. I am going to cast my net wider and look beyond the city I've grown up in, but what have other people in similar situation tried to do? I've worked hard but don't have the confidence to go out on my own and write my own app. (That is, become an indie developer in the iPhone app market.) If nothing turns up I will need to consider upgrading and learning more popular skills or try something marginally related like IT, but given all the effort I've put in that feels like copping out. EDIT: Thank you for all the advice. I think I was premature because of unrealistic expectations but the comments have given me a dose of reality. I will persevere and continue to code. I have a project in mind, although well beyond my current capabilities it will challenge me to hone my craft and prove my worth to myself (and potential employers). Had I known there was a career overflow I would have posted there instead. Thanks again!

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  • Cannot connect to FTP server from external host

    - by h3.
    I have a FTP server (vsftpd) setuped on a Linux box (Ubuntu server). When I try to connect with a computer on the same network everything works fine as expected. But as soon the IP is external it won't connect.. I first assumed the port was blocked, but then: localserver:$ sudo tail -f /var/log/vsftpd.log Wed Jan 13 14:21:17 2010 [pid 2407] CONNECT: Client "xxx.xxx.107.4" remotemachine:$ netcat svn-motion.no-ip.biz 21 220 FTP Server And it hangs there. Do any ports other than 21 need to be open?

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  • Client-side prediction for FPS

    - by newprogrammer
    People that understand client-side prediction and client-side interpolation, I have a question: When I play the game Team Fortress 2, and type cl_predict 1 into the developer's console, it enables client-side prediction. The also says "6 predictable entities reinitialized". It says this regardless of how many players are on the server, which makes sense, because other players are not predictable entities. I thought client-side prediction was only for the movement of the player. Are there other entities that the client can provide prediction for?

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  • Logitech Revue - tv picture extends too far off left/right side of tv?

    - by super user
    Hi, I got a logitech revue (for google tv). I hooked it up, works ok, but the picture is not fitting horizontally in my hdtv. The hdtv is a Sony Bravia, 2010 model. The tv picture is fitting vertically just fine, but it looks like the left and right ends of the picture extend way off farther than they should be. In other words, it looks like the picture is starting about 4 inches to the left of the left side of the tv, and extends 4 inches past the right edge of the tv. I know in menu - settings you have an option to "maximize" your picture, which works for the vertical directions, but the horizontal directions seem convinced that they're maximized properly and I cannot adjust. Any help here? Thanks

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  • Getting Oracle VM VirtualBox Ready for an Oracle Database

    Everyone wants to go virtual, but getting started with Oracle&#146;s VM VirtualBox can be tricky. James Koopmann takes a quick look at installing Oracle VM VirtualBox 3.2.4, covering some of the features you as a database administrator or database developer might run across while trying to install an operating system or Oracle database.

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  • Determining Object Access Using SQL Server Profiler

    Deanna Dicken examines an SQL Server Profiler event to determine object access...who is using the object, when, and how. This gives the SQL developer or database administrator much needed information for impact analysis prior to a change or the decommissioning of a SQL Server object.

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  • I am confused between PHP and ASP.NET to choose as a career in Indian software development context

    - by Confused_Guy
    I need your help(specially from the software professionals of India). I have completed MCA in 2009. After that instead of joining software company I did a Teaching job nearby by home. In the mean time I prepared myself for public sector jobs(bank). I continued my job for 1 year more and left it in 2010. Now in 2012 ,I feel that I should have done the software jobs,so that I could earn my bread and butter and in the mean time I could have prepared for the job.Because,according to my qualification it will give me the best salary. Now I want to go back in software industries. Now all of them are asking for experiences.And I don't have any.....So which language should I learn? And what should I do,because I have two year gap. Some of my friends suggested me to go with PHP as its easier and quicker to get job in India. But Here the PHP guys are getting less salary as compared to ASP.NET. I am planning to begin with PHP and but is it possible to switch to ASP.NET after two years experience. JAVA: I know upto servlet & JSP. Which is nothing in current market. ASP.NET: I know the basics of asp.net upto database connection ie(Gridview). PHP: Only the basics. So what should I do now. Which is most demanding. Does PHP is good, I feel its more like JSP pages. Please guide me, All your suggestions are needed for me.

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  • How can I fix a date that changes by 4 years and 1 day when pasted between Excel workbooks

    - by lcbrevard
    In Excel dates are represented internally by a floating point number where the integer part is the number of days since "some date" and the fractional part is how far into that day (hence the time). You can see this if you change the format of a date - like 4/10/2009 to a number 39905. But when pasting a date between two different workbooks the date shifts by 4 years and one day!!! In other words "some date" is different between the two workbooks. In one workbook the number 0.0 represents 1/0/1900 and in the other 0.0 represents 1/1/1904. Where is this set and is it controllable? Or does this represent a corrupted file? These workbooks where originally from Excel 2000 but have been worked on now in Excel 2007 and Excel 2003. I can demonstrate the problem between the two workbook files in both 2003 and 2010. The exact history of when they were created or what versions of Excel have been used on each is unknown.

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