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  • Hint to MVC view generator for primary key on POCOs

    - by myotherme
    When generating a strongly-typed Index view for my model I always get the following: <%= Html.ActionLink("Edit", "Edit", new { /* id=item.PrimaryKey */ }) %> I am using a POCO class for use with our ORM. As I understand it when using LINQ to SQL the view code will know which field is the primary key. Is there a way that I can an attribute to the property (or class) that will let the View Generator know that the ID property if the primary key?

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  • Android : Connecting to MySQL using PHP

    - by user1771128
    I followed the following article http://blog.sptechnolab.com/2011/02/10/android/android-connecting-to-mysql-using-php/ I am able to execute my php file. I executed it individually and its working fine. The problem is in the android execution part. Am posting the Log Cat for the error am facing. Tried putting in a List View with id "list" but the error stil 10-28 16:08:27.201: E/AndroidRuntime(664): **FATAL EXCEPTION: main** 10-28 16:08:27.201: E/AndroidRuntime(664): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.city/com.example.city.City}: java.lang.RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list' 10-28 16:08:27.201: E/AndroidRuntime(664): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956) 10-28 16:08:27.201: E/AndroidRuntime(664): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981) 10-28 16:08:27.201: E/AndroidRuntime(664): at android.app.ActivityThread.access$600(ActivityThread.java:123) 10-28 16:08:27.201: E/AndroidRuntime(664): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147) 10-28 16:08:27.201: E/AndroidRuntime(664): at android.os.Handler.dispatchMessage(Handler.java:99) 10-28 16:08:27.201: E/AndroidRuntime(664): at android.os.Looper.loop(Looper.java:137) 10-28 16:08:27.201: E/AndroidRuntime(664): at android.app.ActivityThread.main(ActivityThread.java:4424) 10-28 16:08:27.201: E/AndroidRuntime(664): at java.lang.reflect.Method.invokeNative(Native Method) 10-28 16:08:27.201: E/AndroidRuntime(664): at java.lang.reflect.Method.invoke(Method.java:511) 10-28 16:08:27.201: E/AndroidRuntime(664): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784) 10-28 16:08:27.201: E/AndroidRuntime(664): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551) 10-28 16:08:27.201: E/AndroidRuntime(664): at dalvik.system.NativeStart.main(Native Method) 10-28 16:08:27.201: E/AndroidRuntime(664): Caused by: java.lang.RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list' 10-28 16:08:27.201: E/AndroidRuntime(664): at android.app.ListActivity.onContentChanged(ListActivity.java:243) 10-28 16:08:27.201: E/AndroidRuntime(664): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:254) 10-28 16:08:27.201: E/AndroidRuntime(664): at android.app.Activity.setContentView(Activity.java:1835) 10-28 16:08:27.201: E/AndroidRuntime(664): at com.example.city.City.onCreate(City.java:35) 10-28 16:08:27.201: E/AndroidRuntime(664): at android.app.Activity.performCreate(Activity.java:4465) 10-28 16:08:27.201: E/AndroidRuntime(664): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049) 10-28 16:08:27.201: E/AndroidRuntime(664): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920) 10-28 16:08:27.201: E/AndroidRuntime(664): ... 11 more

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  • named anchors not working in safari

    - by David
    Hi there, can anyone explain why named anchor tags would not work in safari but work fine in other browsers: ie, ff, opera, chrome. I have some links to different areas of the same page and nothing happens when clicking on them in safari only. All the other browsers mentioned take me to that area of the page. I have tried using both the id and the name attribute for the anchors but neither makes any difference.

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  • Is there a straightforward way to have a thread-local instance variable?

    - by Dan Tao
    With the ThreadStatic attribute I can have a static member of a class with one instance of the object per thread. This is really handy for achieving thread safety using types of objects that don't guarantee thread-safe instance methods (e.g., System.Random). It only works for static members, though. Is there any straightforward way to declare a class member as thread-local, meaning, each class instance gets an object per thread?

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  • How do I delete orphan entities using hibernate and JPA on a many-to-many relationship?

    - by user368453
    I want to delete orphan entities using hibernate and JPA on a many-to-many relationship but all that I found was this atibute the attribute. org.hibernate.annotations.CascadeType.DELETE_ORPHAN ( i.e. @Cascade(value={org.hibernate.annotations.CascadeType.DELETE_ORPHAN) ), which works only for one-to-many relationships. I want to know if I can delete the orphan ones on my many-to-many relationship. I´d be happy if anyone could help me... Thanks in advance !

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  • Why 10675199.02:48:05.4775807 TimeSpan Maximum for CompilationSection?

    - by Alex
    I was looking at the metadata for System.Web.Configuration.CompilationSection, and noticed the following attribute on the TimeSpan BatchTimeout property: [TimeSpanValidator(MinValueString = "00:00:00", MaxValueString = "10675199.02:48:05.4775807")] Could someone explain why this is the allowed max value? TimeSpan itself has an upper limit, so why would there be another value validation, and why this number?

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  • Adding a LIKE criteria to a Rails Conditions block

    - by Neil Middleton
    Consider the following code which is to be thrown at an AR find: conditions = [] conditions[:age] = params[:age] if params[:age].present? conditions[:gender] = params[:gender] if params[:gender].present? I need to add another condition which is a LIKE criteria on a 'profile' attribute. How can I do this, as obviously a LIKE is usually done via an array, not a hash key.

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  • relaxng schema - use attributes for members and elements for structures?

    - by rpkrpk
    For a data-binding application, I am trying to draw parallels among RelaxNG, C++ and C. RelaxNG.Elements === C++.Class === C.Struct RelaxNG.Attributes === C++.class-members === C.structure-members Only that the Elements in RelaxNG can also have a data-type (i.e. it seems Attribute is a special case of the Element). Do I have the above equivalence correct? If I use the above convention in my implementation, will I be breaking some data-binding libraries?

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  • Python : How to intercept a method call which does-not exists?

    - by Yugal Jindle
    I want to create a class that doesn't gives an Attribute Error on call of any method that may or may not exists: My class: class magic_class: ... # How to over-ride method calls ... Expected Output: ob = magic_class() ob.unknown_method() # Prints 'unknown_method' was called ob.unknown_method2() # Prints 'unknown_method2' was called Now, unknown_method and unknown_method2 doesn't actually exists in the class, but how can we intercept the method call in python ?

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  • removing data from session

    - by sarah
    Hi All, i am using the following code to remove a attribute from session List l=(List) sess.getAttribute("allUserslist"); for(int ii=0;ii l1=(List) sess.getAttribute("allUserslist"); System.out.println("final size"+l1.size()); } te final size after removing is still one as before,where i am doing wrong ? }

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  • How to select every node that holds the same ID

    - by Asaf
    Hello, I have a Jstree that holds a lot of nodes, some of them have the same ID. I was wondering, how do I make it so that if someone selects one of the nodes, it would select every node with the same id. I tried working with the onselect: function (node) { but I'm not sure what exactly to do, plus I'm not sure how to manually select a node (because it's all done with the selected: attribute)

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  • PlaneProjection is not working well in silverlight

    - by vishal
    in silverlight project using name attribute in planeprojection gives Error 1 The type or namespace name 'PlaneProjection' could not be found (are you missing a using directive or an assembly reference?) code i used for that <Image Name="blabla.jpg" Height="200" Width="200" > <Image.Projection> <PlaneProjection Name="pp" /> </Image.Projection> </Image>

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  • c++ class in cocoa

    - by joels
    Any ideas why Xcode wont let me define a c++ class in my cocoa project? I am trying to use a C++ class in my cocoa project but I am getting build errors just creating the c++ header file. class SomeClass{ public: int count; } Expected '=', ',', ';', 'asm' or 'attribute' before 'SomeClass' in ..... If I remove all code from the header file, ?the cpp file builds without any errors and is included in the list of compiled sources...

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  • Which kind of changes can't I do with lightweight migration in Core Data?

    - by dontWatchMyProfile
    I recently tried a lot of different stuff with lightweight migration. These all work: 1) Rename attributes (with renaming identifier specified) 2) Add attributes 3) Add new entity + new attribute + inverse relationship to an already existing entity 4) remove existing entity + relationships to that entity = It almost looks like just about anything can be handled with LM. Did I miss something? In which cases am I getting into trouble and need an some more complex approach?

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  • WP7 Return the last 7 days of data from an xml web service

    - by cvandal
    Hello, I'm trying to return the last 7 days of data from an xml web service but with no luck. Could someone please explain me to how I would accomplish this? The XML is as follows: <node> <api> <usagelist> <usage day="2011-01-01"> <traffic name="total" unit="bytes">23579797</traffic> </usage> <usage day="2011-01-02"> <traffic name="total" unit="bytes">23579797</traffic> </usage> <usage day="2011-01-03"> <traffic name="total" unit="bytes">23579797</traffic> </usage> <usage day="2011-01-04"> <traffic name="total" unit="bytes">23579797</traffic> </usage> </usagelist> </api> </node> EDIT The data I want to retrieve will be used to populate a line graph. Specificly I require the day attribute value and the traffic element value for the past 7 days. At the moment, I have the code below in place, howevewr it's only showing the first day 7 times and traffic for the first day 7 times. XDocument xDocument = XDocument.Parse(e.Result); var values = from query in xDocument.Descendants("usagelist") select new History { day = query.Element("usage").Attribute("day").Value, traffic = query.Element("usage").Element("traffic").Value }; foreach (History history in values) { ObservableCollection<LineGraphItem> Data = new ObservableCollection<LineGraphItem>() { new LineGraphItem() { yyyymmdd = history.day, value = double.Parse(history.traffic) }, new LineGraphItem() { yyyymmdd = history.day, value = double.Parse(history.traffic) }, new LineGraphItem() { yyyymmdd = history.day, value = double.Parse(history.traffic) }, new LineGraphItem() { yyyymmdd = history.day, value = double.Parse(history.traffic) }, new LineGraphItem() { yyyymmdd = history.day, value = double.Parse(history.traffic) }, new LineGraphItem() { yyyymmdd = history.day, value = double.Parse(history.traffic) }, new LineGraphItem() { yyyymmdd = history.day, value = double.Parse(history.traffic) }, }; lineGraph1.DataSource = Data; }

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