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  • Where to put reusable methods for access by controllers in rails

    - by 99miles
    I have several methods I call from my controllers that feel like they should be pulled out and put into a reusable class, outside of the controller. Where do people usually put this stuff? I know I can put them into my ApplicationController, but that doesn't seem to be a great solution if I think I can use these methods later in other applications. Also, I have a bunch of utility methods in my controllers that likely won't be used in other controllers, or in the future at all, but I feel like they just bloat my controller a bit. Do people usually move these out someplace for cleanliness or just end up with a huge controller? I'm coming from Java and Actionscript where I'd just create new util classes for this stuff.

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  • Building Java EE in the Cloud–Webcast August 30th 2012

    - by JuergenKress
    Building Java EE in the Cloud Thursday, August 30, 2012 at 10:00 AM PDT While cloud computing is making big strides, there are challenges in enterprises to start meaningful adoption of the technology. Steps to cloud adoption by the enterprises are different - often with varying results. Some choose to optimize current applications with basic steps, resulting in minimal benefits. Others transform the entire portfolio, with a complete architecture overhaul, and build business agility as a result. Join Anand Kothari, Principal Product Manager for Oracle Cloud Java Service and Larry Carvalho, Principal Analyst at Robust Cloud, LLC as they discuss the evolution of the cloud, and how Oracle Cloud Java Service enables enterprises to make transformational changes. Speakers: Anand Kothari and Larry Carvalho For details please visit the registration page WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: Anand Kothari,Larry Carvalho,Java,Java EE6,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress,Cloud

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  • Exadata a kiskereskedelem (retail) számára

    - by Fekete Zoltán
    Egyik kedvenc blogomban a Rittman Mead honlapján hasznos eloadásra jelent meg infó és letöltési lehetoség. (Lásd a jobb oldali Top Tags dobozban a "blog" kulcsszót, és a legalsó bejegyzést.) Az eloadás címe: Exadata in the Retail Sector, azaz Exadata a felhasználása a kiskereskedelemben. Ezt az eloadást Jon Mead tartotta 2010. március 23-án Londonban az Exadata V2, Oracle Extreme Performance Data Warehousing Seminar rendezvényen. Mint láthatjuk, szinte minden gyümölcsrol beszéltek az Oracle adattárház és üzleti intelligencia virágzó gyümölcsökertjébol az Oracle BI, 11gR2 adattárház tulajdonságai és más témákban. Az eloadások a következo területekrol szóltak: - Exadata techikai ismertetés - ügyfél sztorik: LGR, Allegro, és nagy-britannia egyik legnagyobb online elektronikai kiskereskedelmi cége - Oracle BI - GoldenGate (adatreplikáció) - advanced compression (tranzakciós adatok tömörítése) - particionálás - OLAP - adatbányászat, Oracle Data Mining

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  • Segment register, IP register and memory addressing issue!

    - by Zia ur Rahman
    In the following text I asked two questions and I also described that what I know about these question so that you can understand my thinking. Your precious comments about the below text are required. Below is the Detail of 1ST Question As we know that if we have one mega byte memory then we need 20 bits to address this memory. Another thing is each memory cell has a physical address which is of 20 bits in 1Mb memory. IP register in IAPX88 is of 16 bits. Now my point of view is, we can not access the memory at all by the IP register because the memory need 20 bit address to be addressed but the IP register is of 16 bits. If we have a memory of 64k then IP register can access this memory because this memory needs 16 bits to be addressed. But incase of 1mb memory IP can’t.tell me am i right or not if not why? Suppose physical address of memory is 11000000000000000101 Now how can we access this memory location by 16 bits. Below is the detail of Next Question: My next question is , suppose IP register is pointing to memory location, and the segment register is also pointing to a memory location (start of the segment), the memory is of 1MB, how we can access a memory location by these two 16 bit registers tell me the sequence of steps how the 20 bits addressable memory location is accessed . If your answer is, we take the segment value and we shift it left by 4 bits and then add the IP value into it to get the 20 bits address, then this raises another question that is the address bus (the address bus should be 20 bits wide), the registers both the segment register and the IP register are of 16 bits each , now if address bus is 20 bits wide then this means that the address bus is connected to both these registers. If its not the case then another thing that comes into my mind is that both these registers generate a 20 bit address and there would be a register which can store 20 bits and this register would be connected to both these register and the address bus as well.

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  • Software to Mind Map Dependencies

    - by Alix Axel
    I'm putting together something I'll soon release as OSS and I wanted to make a map of dependencies to get a clearer idea of the big picture. I ended up making the mind map myself using pen and paper: This is something I wish I could do more often, but mapping bigger projects manually is too troublesome (and virtually impossible due to the size of the sheet) and since I can't find any mind mapping software that fits my needs and allows me to display the map in the visual structure I want I often leave the mind maps in my mind alone, no visual representation whatsoever... Can anyone suggest a good mind mapping software that allows me to do something like the above? I've tried FreeMind and XMind so far but their visual structure is too rigid for what I need.

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  • Winforms application hungs when switching to another app

    - by joseluisrod
    Hi, I believe I have a potential threading issue. I have a user control that contains the following code: private void btnVerify_Click(object sender, EventArgs e) { if (!backgroundWorkerVerify.IsBusy) { backgroundWorkerVerify.RunWorkerAsync(); } } private void backgroundWorkerVerify_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e) { VerifyAppointments(); } private void backgroundWorkerVerify_RunWorkerCompleted(object sender, System.ComponentModel.RunWorkerCompletedEventArgs e) { MessageBox.Show("Information was Verified.", "Verify", MessageBoxButtons.OK, MessageBoxIcon.Information); CloseEvent(); } vanilla code. but the issue I have is that when the application is running and the users tabs to another application when they return to mine the application is hung, they get a blank screen and they have to kill it. This started when I put the threading code. Could I have some rogue threads out there? what is the best way to zero in a threading problem? The issue can't be recreated on my machine...I know I must be missing something on how to dispose of a backgroundworker properly. Any thoughts are appreciated, Thanks, Jose

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  • What exactly is a "Software Architect"?

    - by Boydski
    I've seen a few posts that briefly touch on the subject but don't address the question directly. So please don't label this as a dup. Having been independant/freelance for 5 years or so, and having also had plenty of exposure to perm positions, I've been exposed to many views on what an "Architect" really is. As a result, I've coined the term, "One man's architect is another man's n00b", as it seems to be perpetually relative. I've interviewed at mom-&-pop shops that didn't think I was worth a hill of beans. I've also interviewed at world-class consulting firms who thought I was incredible. Again, it all seems relative. But what specifically makes a software architect a true "Architect"?

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  • Rogue black-box java application not responding to standard input redirect

    - by Stefan Kendall
    I have an external java application (blackbox), which requires authentication. I need to run this application in a batch setting, but it seems to be reading from standard input in some nonstandard way. That is, if I set the calling of the program to redirect STDIN to a file (... <password.txt) or pipe data to it (echo mypasword | ...), it does not recognize the input. As I run it, also, it seems to intercept Cntrl+c and Cntrl+d and Cntrl+z as legitimate password characters, so it must be doing something odd and not just reading from standard in. Any idea what this application could be doing to read in input? I need to be able to send it information programmatically, and I'm stumped for the moment.

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  • 12 és fél éve történt: Data Mart Suite és Discoverer/2000

    - by Fekete Zoltán
    Néhány hónapon belül az Oracle Hungary Kft. új irodaházba költözik. Érdemes tehát "inkrementálisan" selejtezni, ahogyan egy jó adattárházba is lépésenként kerülnek be az adatok, és témakörönként kisebb kilométerkövek mentén no a lefedett területek garmadája. :) Az imént akadt a kezembe egy jelentkezési lap az Oracle döntéstámogatás (DSS) témakörbol 1997-bol: Új döntésté(!)mogató eszközök a fejlesztok kezében, Oracle Partneri konferencia, 1997. november 7. :) Oldtimer... És mindez véletlenöl pontosan a NOSZF dátumára idozítve. Együtt ünnepelt a világ! Emlékszik még valaki, mi is a NOSZF feloldása? :) Azóta az Oracle Warehouse Builder és az Oracle Business Intelligence Enterprise Edition és a BI Standard Edition One lettek a zászlóshajók az ETL-ELT és az elemzés-kimutatáskészítés területen.

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  • ASP.NET MVC ViewModelBuilder Suggestions

    - by Marco
    For anything but trival view models, I use a view model builder that handles the responsibility of generating the view model object. Right now, I use constructor injection of the builders into my controllers but this smells a little since the builder is really dependent upon which action method is being executed. I have two ideas in mind. The first one would involve a custom ActioFilter allowing me to decorate each action method with the appropriate builder to use. The second would be to add an override of the View method that is open to accepting a generic. This is what my code currently looks like. Note, the builder get injected via the ctor. [HttpGet, ImportModelStateFromTempData, Compress] public ActionResult MyAccount() { return View(accountBuilder.Build()); } Here is what option one would look like: [HttpGet, ImportModelStateFromTempData, Compress, ViewModelBuilder(typeof(IMyAccountViewModelBuilder)] public ActionResult MyAccount() { return View(accountBuilder.Build()); } Or option two: [HttpGet, ImportModelStateFromTempData, Compress] public ActionResult MyAccount() { return View<IMyAccountViewModelBuilder>(); } Any thoughts or suggestions would be great!

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  • ADF Mobile Client Developer Preview announced!

    - by [email protected]
    Today at the RIM WES conference, Ted Farrell, Chief Architect and SVP, announed the general availability of the ADF Mobile Client Developer Preview.  This is an extension to JDeveloper that allows developers to rapidly develop mobile applications that reside on the mobile device and access a local database and can be used while completely disconnected from the network with a data synchronization technology to get the data back to the server.  You can quickly develop applications declaratively that run on multiple platforms without having to do native coding.  Go download JDeveloper at http://www.oracle.com/technology/software/products/jdev/index.html You can get more info about ADF Mobile Client here at:  http://www.oracle.com/technology/tech/wireless/adf_mobile.html   Check back here for coding examples and how-to's that will be posted regularly.

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  • I need to create a small HMI/SCADA WPF application that uses WCF

    - by HomeMade
    Hello I have to create a simple app, that will suit as an example of using WPF and WCF for creating HMI screens. I'm not sure what WCF is supposed to do in such application, I guess there must be an OPC server that my application connects to. Does app connect to OPC server using WCF service and does the WCF service reside inside the application or outside? Is WCF service meant to be used only as a connection to OPC server? I'm not yet quite sure which process to simulate, I need something simple. Please, any ideas are welcomed. Thank you

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  • Very good book for learning ADF

    - by kishore.kondepudi(at)oracle.com
    Am back!!!Its been a long time i have penned in here.Past month i got a bit Androided ;) with my new Captivate and experiments with Android.I promise to give looots of things coming weeks.Before that i have been getting many comments and mails from people interested in learning ADF to suggest a god book.While there aren't many out in the market now,the one by Frank Nimphius is very very good.I have gone through the book and its very apt for learning and getting to know the horizon of ADF.It has almost everything from Model,UI,Skinning,Internationalization,Security,Reusing lots and lots of ADF stuff.I recommend the book for all beginners and learners for ADF.In case you are in India you can order it to your home from flipkart directly.Here is the listingThere are two versions of the same book one is an international edition and another one is indian print from TMH.The cost is 585/- rupees for the indian one.The book is titled Oracle Fusion Developer Guide: Building Rich Internet Applications With Oracle ADF Business Components & ADF FacesEconomical price and an excellent book.Grab yours now and plough ADF ;)

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  • How to use ocx in .Net windows application

    - by Anshuman Roy
    I have to use a ocx in .Net application. In the toolbox, i right clicked and from com tab added the ocx. Now the ocx appeared in the toolbox and added the control to the form. Whe i execute the application got this error 'Could not load file or assembly 'Interop.WINCMP3XLib, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.'. Can you help me what else needs to be done. I also used the Aximp tool to convert the wrapper dll for the ocx. Now when I used this dll, i could not access the method in the dll. Please can anyone tell me the best way for using ocx in .Net application. Thanks

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  • Upgrade 11g szeminárium

    - by Lajos Sárecz
    Június 9-én az Oracle Database 11g Upgrade-rol szóló szemináriumot tartunk Mike Dietrich közremuködésével Budapesten! Ha valaki nem ismerné még Mike-ot és Oracle Database upgrade-et tervez, akkor épp itt az ideje hogy megismerje. Erre pedig kiváló alkalom a rendezvény június 9-én, Mike ugyanis az Oracle legfobb upgrade szakértoje. Számos upgrade szemináriumot tart, és nem utolsó sorban van egy kiváló blogja errol a témáról: http://blogs.oracle.com/UPGRADE/ Az esemény fókuszában az upgrade tippek&trükkök bemutatása, valamint az upgrade közben felmerülo buktatók elkerülésének ismertetése lesz. A szeminárium során áttekintést adunk az Oracle Database 11gR2 upgrade folyamatáról és a szükséges elokészíto lépésekrol. A nap során tárgyalni fogjuk a minimális állásidovel végrehajtható upgrade stratégiákat, és kiemelten foglalkozunk majd a teljesítmény hangolás módjával, felhasználva az SQL Plan Management-et és a Real Application Testing két funkcióját: az SQL Performance Analyzer-t, illetve a Database Replay-t. Befejezésként néhány ügyfél tapasztalatait fogjuk megosztani Önökkel. Helyszín a Ramada Plaza Budapest lesz, ahol minden kedves ügyfelünket és partnerünket sok szeretettel várunk. Regisztrálni a rendezvény weboldalán lehetséges.

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  • How to handle application upgrades from free to paid version while preserving any data

    - by cdonner
    Here is the context. I want to have a free version and a premium version of the same application. When people buy the application, I want them to be able to "upgrade" without losing their data, i.e. the premium version should install over the free version. I want to use the same code base and just switch a setting to build the premium version. Andoid Market does not let me convert a free app to a paid app, so the trivial option is not available. I am curious if someone has tried this successfully. How does Android Market identify an application - will it think that the premium version is a different app and just install it in parallel?

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  • 32 bit dll importing in 64 bit .Net application

    - by scatterbraiin
    hello i'm having a problem, i try to solve it since yesterday but no luck. i have 32 bit delphi dll which i want to import in .NET Win Application. this application has to be built on ANY CPU mode. of course, there's BadImageFormatException coming, which means that in x64 application can't be loaded x86 dll.. i googled around and find solution, it said i have to do wrapper, but it wasn't clear for me. can anybody tell how to solve this problem, is there any possible way i can import 32bit Delphi dll in program builted Any CPU or x64 mode(maybe another solution).

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  • Visual studio Solution for two versions of a web application

    - by Nikos Steiakakis
    The issue at hand is this. We have a web application with two different versions, a full application, and a light version of it. In it's most part the light version is a subset of the full version, which means that it uses the same web pages and references the same binaries with the full version. However, some of the pages of the full version should not be deployed with the light version obviously, and some binaries (libraries etc) need not be deployed with the full version. If it were a windows forms application we could attempt to approach the issue at hand with preprocessor directives, unfortunately this is not feasible I think. (please do correct me if I'm wrong with this) Anyway, what would a good approach on this? Thanks

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  • Best Database Change Control Methodologies

    - by SnapJag
    As a database architect, developer, and consultant, there are many questions that can be answered. One, though I was asked recently and still can't answer good, is... "What is one of, or some of, the best methods or techniques to keep database changes documented, organized, and yet able to roll out effectively either in a single-developer or multi-developer environment." This may involve stored procedures and other object scripts, but especially schemas - from documentation, to the new physical update scripts, to rollout, and then full-circle. There are applications to make this happen, but require schema hooks and overhead. I would rather like to know about techniques used without a lot of extra third-party involvement.

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  • Custom Application Page does not recognize tagPrefix defined in custom web.config

    - by Hasan Khan
    I have a custom application page integrated in Centeral Administration. My application pages are placed in a subfolder in Template\Admin folder. I placed my own web.config in my subfolder and added tagPrefixes in the control section. However when I open my application page ASP.NET throws the exception that the tag SharePoint:InputFormTextBox was not recognized. What am I doing wrong? Or it doesn't work this way? What can i do to achieve this?

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  • How are interrupts handled by dual processor machines?

    - by jeffD
    I have an idea of how interrupts are handled by a dual core CPU. I was wondering about how interrupt handling is implemented on a board with more than one physical processor. Is any of the interrupt responsibility determined by the physical board's configuration? Each processor must be able to handle some types of interrupts, like disk I/O. Unless there is some circuitry to manage and dispatch interrupts to the appropriate processor? My guess is that the scheme must be processor neutral, so that any processor and core can run the interrupt handler. If a core is waiting on a disk read, will that core be the one to run the interrupt handler when the disk is ready?

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  • Best Practices Question on using an ObjectDataSource in asp.net

    - by Lill Lansey
    Asp.net, c#, vs2008, sqlserver 2005. I am filling a DataTable in the data access layer with data from a sqlserver stored procedure. Best Practices Question – Is it ok to pass the DataTable to the business layer and use the DataTable from the business layer for an ObjectDataSource in the presentation layer, or Should I transfer the data in the data table into a List and use the List for an ObjectDataSource in the presentation layer? If I should transfer the data to a List, should that be done in the data access layer or the business layer? Does it make a difference if the data needs to be edited before being displayed?

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  • Vorsprung für Partner – auch beim Support

    - by Alliances & Channels Redaktion
    Solider Support ist für Oracle eine Selbstverständlichkeit, das ist nichts Neues. Aber wussten Sie auch, dass Oracle Support für Partner besondere Konditionen und Tools anbietet? Der Weg dorthin ist ganz einfach: Loggen Sie sich in das OPN-Portal ein. Über den Klickpfad „Partner with Oracle“, „Get startet“, „Levels and Benefits“ und „View all benefits“ gelangen Sie zu einer Übersicht, welches Level welche Support Benefits mit sich bringt. Als Partner erhalten Sie eine eigene Oracle Partner SI Nummer, sprich einen Support Identifier, der den Zugriff auf die Wissensdatenbank, technische Unterlagen, den Patch Download Bereich und verschiedene Communities im Support Portal „My Oracle Support“ eröffnet. Zudem haben Sie selbstverständlich die Möglichkeit, Service Request (SR) Pakete zu kaufen. Je nach Partner Level verfügen Sie über eine bestimmte Menge an freien Service Requests. Deren Zahl können Sie mit jeder weiteren Spezialisierung vermehren. Und: Beim Support-Einkauf für den Eigenbedarf erhalten unsere Partner einen Preisnachlass. Ein Blick ins OPN-Portal lohnt sich also auch in Support-Fragen!

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  • how can we find that this processor supports how much memory?????

    - by Zia ur Rahman
    I have just started the Assembly language programming and in the first lecture our teacher told us about intel 8080 and intel 8085 and he said there was 64k memory with these processor. Now i want to know that how we find this amount of memory with specific processor, for example i have a processor 1.8 Ghz , now how i can find out the amount of memory that can be used with this processor. what i am trying to ask is tell me the method how we can find out this amount of memory?

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