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  • Why do i get a circular reference exception when calling to_json on an ActiveRecord::Relation

    - by midas06
    In Rails 3 (beta 3 on 1.8.7), when calling to_json on a relation i get a circular reference exception. Converting that relation to an array first, and THEN calling to_json works. Code That fails: Model.where().to_json (Where model is any model in your Rails 3 app) Code that works: Model.where().to_a.to_json This can be reproed on the console. Has anyone else run in to this? Is this expected?

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  • Photo management utilities

    - by Frantumn
    I'm about to develop a web site for a new client. It's not going to be very intense, but one requirement is that, if possible, the client wants to be able to manage the photo gallery themselves. Since they are not technically savvied at all, I was wondering what utilities exist that provide a GUI for users to log in to manage photos. Can anyone make a recontamination? I haven't purchased the web hosting yet, so if your answer requires a specific type of host server don't worry, I am open to options.

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  • What would be the wisest choice for a new .Net RESTful web service?

    - by Phil.Wheeler
    I want to write my first REST web service using the .Net framework. I've seen fairly passionate comments from various people about which is best and have even found some differing comments from Microsoft. My web service should be fairly simple: I want to expose bus timetable information. I figure the resources I will be concerned about are Fares Timetables (routes, stops) What would be the most appropriate (i.e. not necessarily the easiest, most fun or your personal preference) technology to use out of WCF, ADO.NET Data Services or ASP.Net MVC?

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  • Telerik Becomes the First Vendor to Offer Reporting for All .Net Desktop and Web Platforms

    Telerik adds a new WPF Report Viewer to its reporting solution making it thefirst tool to supportall .NET desktop and web platforms:ASP.NET, Silverlight, Windows Forms, and WPF Telerik, a leading vendor of developer tools and UI components for .NET,isthe first vendor to offer built-in support for report rendering in all .NET desktop and web platformswith the addition of a WPF Report Viewer to their product Telerik Reporting. Telerik Reportingis a lightweight embedded .NET reporting solution, which...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Server 2012R2 – PowerShell Web Access

    - by Waclaw Chrabaszcz
    Originally posted on: http://geekswithblogs.net/Wchrabaszcz/archive/2014/05/17/server-2012r2--powershell-web-access.aspxHaha … Sometimes I'm joking that there is nothing worse than Linux fanboi imprisoned in Windows engineer's body. Maybe someday I will start blogging about my noob's experiences. However let's stick to the point. Sometimes the easiest solutions are the best. After couple of tries how to reach left pocket using right hand I'm going to follow easy path. Today's plan is very easy, I'm going to take advantage of Server 2012 and install Web gateway to PowerShell console. After that I would be able execute PoSH from any device including Linux. Install-WindowsFeature –Name WindowsPowerShellWebAccess –IncludeManagementToolsInstall-PswaWebApplication –UseTestCertificateAdd-PswaAuthorizationRule –UserName * -ComputerName * -ConfigurationName *  Let's test it …

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  • Control Reference Static Method Performance

    - by dotnetguts
    I have just asked which one is better? Static Vs Non-Static? http://stackoverflow.com/questions/3016717/static-vs-non-static-method-performance-c I would like to take this discussion one step ahead. Consider If i pass reference of Panel control as parameter to Public static method, will static method still rules in performance?

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  • How do I pitch ASP.NET over PHP to a potential client?

    - by roman m
    I work at a Microsoft shop doing mainly web development. We had a client who asked us to review (improve) the data model for his web app, but said that he wants to develop his app in PHP (he knows "a guy" who can do it). When I asked him why he wants to go with PHP, he gave me the standard set of arguments from the 90's: Microsoft is evil, and PHP is free Writing an ASP.NET app is more expensive (software-wise) Why would Facebook use PHP if it was a bad idea? [classic] He had a few more comments about the costs associated with going .NET. The truth is that "Microsoft is expensive" does not hold water any longer, with their "Express" suite, you can develop an ASP.NET app without paying anything for software. When it comes to hosting, you can save a few bucks with PHP over .NET, but that's a small fraction of the projected development costs (we quoted 10-15k). Going back to my question, what arguments would I give to a client in favor of ASP.NET over PHP? [please provide sources for quantitative claims]

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  • Modify a reference numbered group to match against

    - by StuperUser
    I want to match YYYY-YY for sequential years. I at moment I'm trying to match where all the second YY is the 3rd and 4th characters in YYYY with 1 added to it. So far I've got {19|20}(\d{2})-(\d{2}), but not sure how to use ? with reference to (1) or whether I'm going about this the right way and finding out the inevitable "unknown unknowns" (like YY99) with this approach? Edit: Matches: 2010-11,2011-12,2029-30 Not matches: 2010-12, 2010-09,2011-2,2011-2012

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  • Services or Shared Libraries?

    - by Royal
    I work in an environment where we have several different web applications, where each of them have different features but still need to do similar things: authentication, read from common data sources, store common data, etc. Is it better to build the shared functionality into a set of services, to be called by the web apps, or is it better to make a shared library, which the webapps include? The services or libraries would need to access various databases, and it seems like keeping that access in a single place (service) is a good idea. It would also reduce the number of database connections needed. A service would also keep the logic in a single place, but then it could be argued that a shared library can do the same thing. Are there other benefits to be gained from using services over shared libraries?

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  • Chrome 10 rend possible l'exécution d'applications Web en arrière plan, Google publie un exemple

    Chrome 10 rend possible l'exécution d'applications Web en arrière plan Même quand le navigateur est fermé, Google publie un exemple Mise à jour du 24/02/11 par Gordon Fowler Google vient de dévoiler une nouvelle fonctionnalité disponible dans la version 10 (en beta) de son navigateur Chrome. La fonctionnalité, baptisée « Background Pages », bien que n'ayant pas été mise en avant lors de la sortie Chrome 10, est bel et bien là. Elle permet d'exécuter des pages Web en arrière-plan de façon totalement transparente pour l'utilisateur. Certaines applications (qualifiées « d'applications d'arrière plan ») peuvent ainsi continuer à tourn...

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  • Is curl something that's not expected to be installed on servers

    - by Ieyasu Sawada
    Is curl something that's not expected to be installed on servers? I'm working for a small development shop and 99% of the problems that I'm having is regarding curl. Most of the projects that I'm working on involves calling a web API. Most web API's suggests using curl by default since you have to pass in a POST data in the request. Every time I complain to my senior that the server that I'm working on doesn't have curl installed the excuse that I'm always getting is that curl is not needed you can always use file_get_contents. So the question: is curl something that's not expected to be installed on servers that runs PHP, should I always develop using file_get_contents and not curl? Are there any advantages of using file_get_contents over curl or vise versa? If it helps, the context here is wordpress plugins, shopify apps, drupal modules and other bits of code that a lot of people can install.

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  • How important is using the same language for client and server?

    - by Makita
    I have been evaluating architecture solutions for a mobile project that will have a web-service/app in addition to native apps and have been looking at various libraries, frameworks, and stacks like Meteor, this being a sort of "open stack package framework", is tightly bound with Node.js. There is a lot of talk about the benefits of using the same language both client and server side, and I'm not getting it. I could understand if you want to mirror the entire state of a web application on both client and server but struggling to find other wins... Workflow efficiency? I'm trying to understand why client/server language parity is considered to be a holy grail. Why does client/server language parity matter in software development?

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  • win32:libs undefined reference

    - by hector
    I want to link a .lib in my Qt project and I get an error about an undefined reference to vhtIOConn::getDefault(vhtIOConn::DeviceType). I have already added the following specifications to the .pro file: ###################################################################### # Automatically generated by qmake (2.01a) vie 28. ago 12:48:10 2009 ###################################################################### TARGET = DEPENDPATH += . INCLUDEPATH += . LIBS += "C:\agregar\VirtualHandCore.lib" LIBS += "C:\agregar\VirtualHandDevice.lib" LIBS += "C:\agregar\VirtualHandRegistry.lib" # Input HEADERS += "C:/Documents and Settings/halvarado/Mis documentos/respaldos de Qt/Development/include/vhandtk/vhtBase.h" SOURCES += main.cpp What should I do?

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  • Benefits of using the same language for client and server?

    - by Makita
    I'm looking at architecture solutions for a mobile project that will have a web-service/app in addition to native apps. I've been looking at various libraries, frameworks, and stacks like jqm, backbone, parse, and meteor. Meteor, sort of an "open stack package framework", is tightly bound with node.js. There is a lot of talk about the benefits of using the same language both client and server side, and I'm not getting it. I could understand if you want to mirror the entire state of a web application on both client and server but struggling to find other wins... Workflow efficiency? I'm trying to understand why client/server language parity is considered to be a holy grail, any explicit examples or links would be greatly appreciated, thanks!

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  • Is there a smart web developer language skill combination?

    - by Cryo
    I'm no newbie to programming, but I'm making the move to a career in web development, and I've noticed that so many job postings have different combinations of skill requirements: (PHP, C#, XML, XHTML/CSS, ASP, .NET, jQuery, YUI, Joomla, Ruby, Perl, Python, Java, Javascript... the list goes on.) As of now, I've started learning XHTML, CSS, JavaScript, jQuery, PHP, and mySQL, but with so many combinations, I want to plan ahead to have a marketable combination of skills as early on as possible. Am I on the right path? What is vital for a marketable web programmer's arsenal? Thanks for your thoughts.

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  • C++ undefined reference

    - by klaus-johan
    Hi , My problem is the following : I have a class A that inherits from an abstract base class. I override all the virtual functions from the base class, and I have a constructor like this : A::A(B* b) { this->b=b; } In the constructor of class B , I have the following piece of code: A* a=new A(this) However this line of code gives the error : undefined reference to 'A::A(B*)' I have absolutly no idea why could this be happening , so any suggestion would be greatly appreciated !

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  • Doing Master's at Home

    - by parmanand
    I'm a computer science student at present, soon I'm going to get job at somewhere. But I wish to go for higher studies in MS. My interests are automation of things using web apps, and I wish to research in AI, as I think it may resolve most of ours present problem's. Is there any way to do MS like studies and research in organised manner at home only, as a part-time research work? Because I like to learn new things anytime. Finally can you tell me what's the pattern of MS studies and which MS field suits me, as I'm interested in web and Mobility solution like mobiles. And along with that is a correspondence MS possible and if so, from where?

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