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  • How to bind the Command property of the ItemTemplate CheckBox to ViewModel object's property?

    - by 123Developer
    Let me ask this question with a pseudo code: Where "Contacts" the ViewModel object set as the DataContext for the window. "Contacts" has "PersonCollection" , public ICommand PersonSelectedCommand properties. "PersonCollection" is List "Person" has Name, Age properties Currently this is not working as CheckBox is trying to find and bind the ICommand "PersonSelectedCommand" property of object "person", which does not exists! How will bind the CheckBox to the ICommand "PersonSelectedCommand" property of object "Contact" Thanks and regards 123Deveopler

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  • [N]Hibernate Sessions

    - by Jaimal Chohan
    A silly question, perhaps, but at this time of night, StackOverFlow is my only friend. I'm playing with NHibernate and wanted to factualize these 2 statements regarding Sessions in web applications. 1) You should only ever have 1 ISessionFactory per database for the lifecycle of an application. 2) You should only have 1 ISession per HttpRequest or batch of HttpRequests (i.e. conversation) [I don't want tool or framework recommendation, just want to confirm the above]

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  • Best C++ static & run time tools

    - by Hortitude
    Apologies if I missed this question already, but I searched and couldn't find it. I have been out the C/C++ world for a little while and am back on a project. I was wondering what tools are preferred today to help with development. The types of tools I'm referring to are: Purify Electric Fence PC-Lint cscope Thanks!

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  • UIHint can not resolve template in abstract models

    - by Reza Owliaei
    Assume an abstract model like this: public abstract class MyClass : BaseEntity { [UIHint("File")] public long? DocumentFileId { get; set; } } The problem is Cannot resolve template 'File', while there is File.cshtml in View editor templates. The point is, if I don't define MyClass as an abstract class, error will be solved. My question is, why editor template can not resolve in abstract classes, and how can I handle it?

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  • Call trace in Android

    - by DenMark
    I want to know how to do method tracing for Android applications. I mean, a sequence of calls on each object, not a stack trace. It's very similar to this question (Call trace in java), but on different platforms (jvm-PC vs dvm-Android). I have no control over the start arguments of dalvik, thus I cannot specify a java agent (or am I wrong here?). Is there another way to do method tracing? Thanks!

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  • Getting a visitors Facebook page

    - by Mr Carl
    Hey guys, this is more of a question out of curiosity, but is it possible to get somebody's Facebook page after they have visited your site? Was thinking maybe a chain of lookup stuff could be used starting with an IP to eventually perhaps get a name and thus that person's Facebook page. I have also heard you can read somebody's web history, is this true?

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  • Automatically reporting javascript errors to the developer

    - by Cine
    As most production environments we have setup something to send us a notification if there is an error in our web application. The problem is ofcourse that this only covers errors on the server side. My question to the community is: What are you doing about client side errors, especially in javascript? And what about other quality of service issues, such as slow processing and other things that might be due to the client machine?

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  • Deploy a jar in Jetty

    - by Dimitri
    Hi guys, I was wondering if is it possible to deploy a jar file in Jetty? If not, are there applications servers who can do so? I am beginner. I am asking this question because all the docs that i have found, it seems that we can only deploy war archive in application servers. Is that true?

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  • Managing dependencies with Hadoop Streaming?

    - by beagleguy
    hi all, had a quick hadoop streaming question.. If I'm using python streaming and I have python packages my mappers/reducers require that aren't installed by default do I need to install those on all the hadoop machines as well or is there some sort of serialization that sends them to the remote machines? thanks!

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  • Find the shortest path in a graph which visits certain nodes.

    - by dmd
    I have a undirected graph with about 100 nodes and about 200 edges. One node is labelled 'start', one is 'end', and there's about a dozen labelled 'mustpass'. I need to find the shortest path through this graph that starts at 'start', ends at 'end', and passes through all of the 'mustpass' nodes (in any order). ( http://3e.org/local/maize-graph.png / http://3e.org/local/maize-graph.dot.txt is the graph in question - it represents a corn maze in Lancaster, PA)

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  • My mental block - struggling to learn Objective C

    - by iqessar
    Hello people, this would be my first question after signing up! Anyway heres my question, I did Java at university and I was always told I am a good programmer. However I never pursued it as a career - I went into support and management instead. Im pretty much bored with my job, I have therefore started to learn Objective C so that I can develop apps for the iphone. I am currently watching several different Videos / Books. My problem is that when I go through the Apple documentation, although I understand most of it, sometimes I stumble. I believe that because you/we have the Apple documentation (i.e. Framework references) , everything should be clear, and therefore you should have no need to refer to a book or video (in order to learn how to use a particular class). But I alway do refer to a book and video and subsequently feel guilty as I believe the framework reference should be enough. (I therefore feel I am not up to being a programmer) I also believe that you shouldn't need example code in order to learn how to use a particular class because Apple provides documentation for each class, but AGAIN I find my self googling example code and I find my answer like that - again I feel guilty for doing this. Am I right in saying that Apple documentation is simply not clear? and that its ok to refer to a video/book or google? or forums for that matter? I have proffesional programmers who tell me that I am worrying too much and that I should get on with it and use all the resources that I have. I just cant seem to get round this mental block that I have in my head. When I start a programming project I am able to use the excellent search skills that I have to find the code I need, copy and paste it (yes I do understand it) BUT then I feel guilty telling myself that why didn't you think up the code yourself???? Therefore your not a real programmer, your just good at googling. Currently I am going through 20+ books so that I can learn most of the frameworks, syntax etc to develop iphone apps. I believe if I do this, then when I think of a project I can make it quickly. Should I read a few books, like 2-3 and then just start a project /app , and if I get stuck just google it and get the code I need? Can anybody please answer my questions?

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  • Variable declarations in header files - static or not?

    - by Rob
    When refactoring away some #defines I came across declarations similar to the following in a C++ header file: static const unsigned int VAL = 42; const unsigned int ANOTHER_VAL = 37; The question is, what difference, if any, will the static make? Note that multiple inclusion of the headers isn't possible due to the classic #ifndef HEADER #define HEADER #endif trick (if that matters). Does the static mean only one copy of VAL is created, in case the header is included by more than one source file?

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  • HyperLinks In GridView

    - by Hany
    I am working on C# application and I am trying to do the following: my project is like a small search Engine The user will enter a word and The Program should return the Files that contains this word my Question is: I have an array of File paths(the path is a normal string) I want to show this paths like a links in a Gridview so when the user click the file name the file will be opened Notice: I am working on C# forms Not ASP.net

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  • Why do I need to call new?

    - by cam
    It seems like I could program something without ever using the word 'new', and I would never have to worry about deleting anything either. From what I understand, it's because I would run out of stack memory. Is this correct? I guess my main question is, when should I call 'new'?

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  • What is the proper way to credit public code snippets?

    - by Babiker
    This question might not be a programming problem, but its been bothering me. There is a lot of free js/css scripts out there for public use. I some times use these scripts. If any, what is the formal and proper way to credit these snippets when all i have is a name of a website and a url. I understand that a simple comment might get the job done but i wanted to know whether there is a more professional way.

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  • Detecting own posts on Facebook from a Chrome extension perspective

    - by Bane
    I want to create a Chrome extension that will automatically like every post I make on Facebook. My question is, how can I detect when I post something, and if that post if mine? Is there an event that occurs or something? (And just for the record, I know that these sorts of things are impossible when other apps post on my behalf, at least from an extension perspective. So I'm only concentrating on posts that I actually click the "post" button, or enter for, myself.)

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  • C#: How would you only draw certain ListView Items while in Virtual Mode?

    - by Jonathan Richter
    C#: How would you only draw certain ListView Items while in Virtual Mode? I am trying to create a filter-like feature to use in listview so that if the user selects an imageindex from 0-5, it will loop through the listview items and only make it so that the items in question with the correct image index will be displayed and the other items will be hidden. How would I go upon creating such a routine?

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  • c++ g++ llvm-clang compiler profiling

    - by anon
    Note, my question is not: how do I tell my compiler to compile with profiling on. I want to profile my compiles process. For each file, I'd like to know how much time is spent on each line of the program. I'm working on a project, some files have huge compile times, I'm trying to figure out why. Is there anyway to do this with g++ or llvm-clang? Thanks!

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  • asp.net path problem when deploying

    - by Daok
    We have moved a lot of images and javascript file that was inside class to external Javascript file. In development (Debug inside Visual Studio), everything look nice, all images show, all javascript works and all CSS display perfectly. When we do a package and install everything with IIS all images from Javascript or CSS doesn't display and. Question is : Since we cannot use the tilde (~) in javascript or in CSS what is the way to display those resources?

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  • CSS image float div problem in IE6

    - by Ben Dauphinee
    In the bottom cap of this page (bottom with corners) I seem to be having a weird IE6 issue. I've tried Google with no luck, as really, how do you ask this question. In IE6, the corner images that are floated left and right seem to cause the whitespace to drop. http://www.duncanhadleytriathlon.ca/ Any suggestions for why this may be?

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