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• Why can't i loop through my json object using jquery?

  - by Pandiya Chendur

  I am using jquery to loop through json object... But some how it doesn't seem to work... Here is my code, success: function(jsonObj) { alert(jsonObj); for (var i = jsonObj.length - 1; i >= 0; i--) { var employee = jsonObj[i]; alert(employee.Emp_Name); When alerted my jsonObj i got [object Object] but when i alerted jsonObj.length it showed undefined any suggestion....

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• Symfony and Doctrine 1.0: How can i get the SQL clause of a Doctrine_Query object?

  - by user248959

  Hi, i have this code: $this->lista_miembros = $this->filtro->buildQuery($valores_query); var_dump($this->lista_miembros); var_dump outputs a Doctrine_Query object: object(Doctrine_Query)[121] protected '_subqueryAliases' = array How can i get the SQL clause of that Doctrine_Query object? Javi

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• Is there a good reference for ARM Neon intrinsics?

  - by Vineeth

  The ARM reference manual doesn't go into too much detail into the individual instructions ( http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0348b/BABIIBBG.html ). Is there something that's a little more detailed?

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• how to show all method and data when the object not has "__iter__" function in python..

  - by zjm1126

  i find a way : (1):the dir(object) is : a="['__class__', '__contains__', '__delattr__', '__delitem__', '__dict__', '__doc__', '__getattribute__', '__getitem__', '__hash__', '__init__', '__iter__', '__metaclass__', '__module__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__setitem__', '__str__', '__weakref__', '_errors', '_fields', '_prefix', '_unbound_fields', 'confirm', 'data', 'email', 'errors', 'password', 'populate_obj', 'process', 'username', 'validate']" (2): b=eval(a) (3)and it became a list of all method : ['__class__', '__contains__', '__delattr__', '__delitem__', '__dict__', '__doc__', '__getattribute__', '__getitem__', '__hash__', '__init__', '__iter__', '__metaclass__', '__module__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__setattr__', '__setitem__', '__str__', '__weakref__', '_errors', '_fields', '_prefix', '_unbound_fields', 'confirm', 'data', 'email', 'errors', 'password', 'populate_obj', 'process', 'username', 'validate'] (3)then show the object's method,and all code is : s='' a=eval(str(dir(object))) for i in a: s+=str(i)+':'+str(object[i]) print s but it show error : KeyError: '__class__' so how to make my code running . thanks

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• is there difference between debug and release reference path while compiling?

  - by Nair

  I am building a SL3 + RIA application in VS2008. When compiled the application in debug mode it compiles fine with out any error, but when I compile the same application with out any code change in release mode I get an error 'The type of namespace name 'BusyIndicator' does not exist in the namespace 'System.Windows.Controls' (are you missing an assembly reference). All the errors are coming from the generated code name.g.cs Just curious anyone run into this problem.

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• Django: Setting up database code tables (aka reference tables, domain tables)?

  - by User

  Often times applications will need some database code tables (aka reference tables or domain tables or lookup tables). Suppose I have a model class called Status with a field called name that could hold values like: Canceled Pending InProgress Complete Where and at what point would I setup these values in Django? Its like a one time operation to setup these values in the database. Infrequently, these values could be added to.

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• How can we save Java Message Queues for reference?

  - by Ammar

  How can we keep track of every message that gets into our Java Message Queue? We need to save the message for later reference. We already log it into an application log (log4j) but we need to query them later.

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• Adding a reference to a css file in an ascx file in vs2008 only to get intellisense

  - by Nick Allen - Tungle139

  Normally visual studio brings up intellisense for available css classes, which it draws from css files linked to the current aspx/master document. Is there a way to get this to work in an ascx file in a similar way to referencing external JavaScript files in js files for the purpose of intellisense /// <reference path="jquery-1.4.1.js" /> I only want this for the purpose of intellisense and not getting squiggly lines under un-recognised classes. My css files will be actually linked from the aspx/master page.

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• How to get a reference to a control in the view?

  - by Kevin

  If I have a UIScrollView set up in the view via the Interface Builder, how do I get a reference to it in the ViewController implementation? I want to programmatically add labels to the scroll view. For example, in C# if you have a textbox declared in the UI/form, you can access it by simply using the ID declared for that textbox. It doesn't seem this simple in objective c. Thanks Kevin

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• How to get Combobox.SelectedItem Return string value of what is selected instead of Service Reference Class?

  - by Rohit Acharya

  I currently have the following code for a button. The message box shows SilverlightApplication2.ServiceReference2.Employee instead of the text string selected by the user. The combobox items are being populated by a WCF service. As a result I am unable to pass it to the Async call. How do I get the string of what user selected? private void btnAdd_Click(object sender, RoutedEventArgs e) { object selectedItem = comobo1.SelectedItem.ToString(); MessageBox.Show(selectedItem.ToString()); var proxy = new Service1Client(); proxy.GetAllEmployeesCompleted += proxy_GetAllEmployeesCompleted; proxy.GetAllEmployeesAsync(selectedItem.ToString()); }

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• VBA: Difference in two ways of declaring a new object? (Trying to understand why my solution works)

  - by Matt

  I was creating a new object within a loop, and adding that object to a collection; but when I read back the collection after, it was always filled entirely with the last object I had added. I've come up with two ways around this, but I simply do not understand why my initial implementation was wrong. Original: Dim oItem As Variant Dim sOutput As String Dim i As Integer Dim oCollection As New Collection For i = 0 To 10 Dim oMatch As New clsMatch oMatch.setLineNumber i oCollection.Add oMatch Next For Each oItem In oCollection sOutput = sOutput & "[" & oItem.lineNumber & "]" Next MsgBox sOutput This resulted in every lineNumber being 10; I was obviously not creating new objects, but instead using the same one each time through the loop, despite the declaration being inside of the loop. So, I added Set oMatch = Nothing immediately before the Next line, and this fixed the problem, it was now 0 to 10. So if the old object was explicitly destroyed, then it was willing to create a new one? I would have thought the next iteration through the loop would cause anything declared within the loop do be destroyed due to scope? Curious, I tried another way of declaring a new object: Dim oMatch As clsMatch: Set oMatch = New clsMatch. This, too, results in 0 to 10. Can anyone explain to me why the first implementation was wrong?

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• Is it true that the assigned final object field may still be null inside a constructor?

  - by Tom Brito

  Is it true that the assigned final object field may still be null inside a constructor? class MyClass { private final Object obj = new Object(); public MyClass() { System.out.println(obj); // may print null? } } if yes, isn't this a bug?

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• does the object creating a sub appdomain get instantiated in that sub appdomain?

  - by Eric

  does the object creating a sub appdomain get instantiated in that sub appdomain? I have an object that is in the main AppDomain and it is creating another AppDomain and it requires the calling class to be serializable and is creating an instance of the calling class in the new sub AppDomain. I'm wondering if that is how it is, or if there is a way that I can create the sub appDomain but still hold on to the original instantiation of the calling object in the main appDomain

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• Is it safe to put reference to current user in User model in Rails?

  - by Art Shayderov

  You know, I think I have to check current user in the model callbacks (like before_update). Rather than rely solely on adding where ('something.user_id = ?', 'current_user.id') in the controllers. I need something like Thread.CurrentPrincipal in .NET Is it safe to put reference to current user in User model? I'm sorry I don't really understand how it works under the hood yet. Or how you do it The Rails way? Sorry if this a silly question.

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• Is it possible to set up XCode to do the reference counting for me?

  - by Roman Kagan

  I'd like to know if is it possible to set up XCode to do the reference counting and show warnings if number of "retain" and "release" are not matching?

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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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• Rails: common approach for handling exceptions in restful actions on objects that have been destroye

  - by Greg

  It is very common in Rails for an objects_controller controller to have RESTful edit and destroy actions like so: def edit @object = Object.find(params[:id]) end def destroy @object = Object.find(params[:id]) @object.destroy redirect_to :back end With an associated view that provides edit and destroy links like so: <%= link_to "Edit the Object", edit_object_path(object) %> <%= link_to "Delete", object, :confirm => 'Are you sure?', :method => :delete %> And it is easy to blow this up. If I open two browser windows, A and B, destroy an object with the "Delete" link in browser A and then press the "Edit" link in browser B, the find() in the edit action throws an exception. Obviously there are several ways to deal with this in the edit action: catch the exception and recover gracefully use @object = find(:first, "conditions... etc. and test the @object before going further But seeing as this is such a common pattern, I would love to know how other folks deal with this situation.

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• How does EJB home object reference knows the server details to which it should connect ?

  - by Jijoy

  Hi , After I do a JNDI look up , what I get is a reference to the Home of EJB Object. But when I do an API call on Home/Remote , how does it find the URL/port of the server ? Thanks J

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• How to ensure that a Serialized object is completely read over a Socket ?

  - by Amitd

  Hi guys, I am trying to write a socket server and Client that communicate with each other via serialized Objects.eg:To Login, Client sends server a serialized Login object and then the server deserialises the object to read login details. Similarly for other types of request/response. I just wanted to be sure if Socket.receive() can read(untill) large serialized objects completely. I have tried this code but seems to fail when a large object is serialised and sent over the internet.(seems to work fine in LAN situations.) http://stackoverflow.com/questions/2134356/sending-large-serialized-objects-over-sockets-is-failing-only-when-trying-to-grow using(MemoryStream ms = new MemoryStream()) { int bytesRead; while((bytesRead = m_socClient.Receive(buffer)) > 0) { ms.Write(buffer, 0, bytesRead); } // access ms.ToArray() or ms.GetBuffer() as desired, or // set Position to 0 and read } Are there any other ways to ensure that the object gets completely read.

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• Java. Best procedure to de-serialize a Java generic object?

  - by Jake

  What is the best procedure for storing and retrieving, using native Java serialization, generic objects like ArrayList<String>? Edit: To clarify. When I serialize an object of type ArrayList<String> I'd like to de-serialize to the same type of object. However, I know of no way to cast back to this generic object without causing warnings.

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• flash cs4 file reference. Event.COMPLETE not called on a MAC,

  - by jobbie jones

  Hi, I am working with a fileReference, however I'm having issues running on Safari on a MAC... EDIT The below example also doesnt work on Safari on a MAC... http://www.permadi.com/blog/2010/06/flash-as3-using-filereference-to-load-files-example-for-flash-cs4-and-above/ # The workflow on a PC runs as such: 1) Create file reference 2) attach addEventListener's for Event.SELECT and Event.COMPLETE 3) call the browse() method On a PC, Event.SELECT is fired when a file has been selected. Event.COMPLETE is fired when the file data is available to flash. If I select an 500meg file, it takes a few seconds before Event.COMPLETE is fired. If I attempt to access the file data properties (such as reading the data stream) before Event.COMPLETE is fired, I receive null reference errors... So far so good. However, on a MAC (speficially Safari, not tested other browsers), the Event.COMPLETE is not fired. I have checked the Adobe docs, which say Event.COMPLETE is fired when the upload is completed. So why does it get fired on windows when the fileReference has parsed the file, but the upload method has not yet been called... Can anyone help? Here's snippets of the code I am working on: public function browseFile(target:Object):void { var imagesFilter:FileFilter = new FileFilter("Allowed files", "*.jpg;*.bmp;*.flv;"); fileReference.browse([imagesFilter]); fileReference.addEventListener(Event.SELECT, fileSelect); fileReference.addEventListener(Event.COMPLETE, fileSelectComplete); } private function fileSelect(event:Event):void { // update label - IMPORTANT for large files as there's a delay while flash parses file, before control is handed back to this script... setStatusLabel("...loading file"); var fileReference:FileReference = event.target as FileReference; fileReference.addEventListener(Event.COMPLETE, fileSelectComplete); // load the file into the fileReference object fileReference.load(); } // Called when upload file has been processed by flash (a few secs for large files, or fileRef.data is null...) private function fileSelectComplete(event:Event):void { var fileReference:FileReference=event.target as FileReference; trace("ready to do things - but not fired on Safari on a MAC "); }

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• how do I make URI of dynamic web reference look in web.config instead of app.config?

  - by krprasad

  I have a class library(DLL) which has a web reference, its dynamic. I have copied the setting into the applicationSettings of the web.config but still it keeps referring to the old URI I had set during develoment. any idea how i can make it take the URI of the web-service from the web.config?

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• How can I get the x:Name of an object from code?

  - by chaiguy

  Given a reference to an object defined in XAML, is it possible to determine what (if any) x:Name the object has, or can I only do this by accessing the FrameworkElement.Name property (if the object is a FrameworkElement)?

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• Accessing object properties from a treenode that's associated with it ?

  - by mhd

  Hallo, I have read http://stackoverflow.com/questions/1880930/easy-object-binding-to-treeview-node, but still have unanswered question. if an object is associated with treenode tag property, how to access that object members/properties from that treenode ? node1 = new TreeNode(); node1.tag = object1; //ex:if object1 has public property valueA //How to access valueA from node1 ??

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• How do I display java.lang.* object allocations in Eclipse profiler?

  - by Martin Wickman

  I am profiling an application using the Eclipse profiler. I am particularly interested in number of allocated object instances of classes from java.lang (for instance java.lang.String or java.util.HashMap). I also want to know stuff like number of calls to String.equals() etc. I use the "Object Allocations" tab and I shows all classes in my application and a count. It also shows all int[], byte[], long[] etc, but there is no mention of any standard java classes. For instance, this silly code: public static void main(String[] args) { Object obj[] = new Object[1000]; for (int i = 0; i < 1000; i++) { obj[i] = new StringBuffer("foo" + i); } System.out.println (obj[30]); } Shows up in the Object Allocations tab as 7 byte[]s, 4 char[]s and 2 int[]s. It doesn't matter if I use 1000 or 1 iterations. It seems the profiler simply ignores everything that is in any of the java.* packages. The same applies to Execution Statistics as well. Any idea how to display instances of java.* in the Eclipse Profiler?

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