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• in Xcode can you have it automatically highlight references to the selected object like in eclipse?

  - by Ayrad

  Hi All, In eclipse when you click on a method name a variable, or an object for example, the same ones are highlited in a specific color elsewhere in the code for easy finding. Is there a similar feature in Xcode?

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• C# 4 default parameter values: How to assign a default DateTime/object value?

  - by Dr. Zim

  If DateTime is an object and default C# parameters can only be assigned compile-time constants, how do you provide default values for objects like DateTime? I am trying to initialize values in a POCO with a constructor, using named parameters with default values.

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• How to iterate over an instance object's data attributes, returning two values at a time?

  - by Spikie

  I need to return two values at a time, so I have: class IterableObject(object): def __iter__(self): for item in self.__dict__: return self.__dict__[item + 1], self.__dict__[item] So I can have: myObj1, myObj2 = IterableObject() value = myObj1.balance - myObj2.balance Of course it did not work. What am I doing wrong? I think I can not add value on item like that.

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• In a WPF app, is there a object I can assign to FileSystemWatcher.SynchronizingObject?

  - by jyoung

  In a WPF app, is there a object I can assign to FileSystemWatcher.SynchronizingObject? I can make my own, but if there is one available, I would like to use it.

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• calculate the distance between the place where I am taking photo and the object I am taking.

  - by ZHAO Xiaojian

  I can get the latitude and longitude where I am taking photo. I can also get the Exif information of the photo I took. I want to know how can I calculate the distance between the place I am taking photo and the object I am taking by above informations? give me some constructive opinions. thanks very much.

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• How can you tell if an XMLlist object in AS3 contains a node?

  - by Dimitree

  How can you tell if an XMLlist object in AS3 contains a specific node? For ex: you have this XML file <items> <item>one</items> </items> And want to check if in this file exists a child with tag ?

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• Spring batch datareader returns extra null object on end of collection of read items?

  - by tll

  I'm using Spring batch - using datareaders to load up lists of items. For each of my readers, they all return an extra null object on the end of the list. Has anybody seen this before? What am I doing wrong?

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• Get String in YYYYMMDD format from JS date object?

  - by IVR Avenger

  Hi, all. I'm trying to use JS to turn a date object into a String in YYYMMDD format. Is there an easier way than concatenating Date.getYear() Date.getMonth(), and Date.getDay()? Thanks, IVR Avenger

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• Why do we have contains(Object o) instead of contains(E e)?

  - by Vivin Paliath

  Is it to maintain backwards compatibility with older (un-genericized) versions of Collection? Or is there a more subtle detail that I am missing? I see this pattern repeated in remove also (remove(Object o)), but add is genericized as add(E e).

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• who can tell me how to training a kind of object in the picture ?

  - by carl

  I want to detect one kind of object such as person in the picture, who can tell me how to training a kind of people classifier for use,so we can use the classifier to detect people in any picture.

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• Can I get an arithmetic expression as a string computed with the Javascript Math object?

  - by chimerical

  If I have an arithmetic expression as a string ("2+3*4/5"), is there a way to get this computed with the Javascript Math object without parsing that entire string to separate everything out?

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• Should I add try/catch around when casting on an attribute of JSP implicit object?

  - by Michael Mao

  Hi all: Basically what I mean is like this: List<String[]> routes = (List<String[]>)application.getAttribute("routes"); For the above code, it tries to get an attribute named "routes" from the JSP implicit object - application. But as everyone knows, after this line of code, routes may very well contains a null - which means this application hasn't got an attribute named "routes". Is this "casting on null" good programming practice in Java or not? Basically I try to avoid exceptions such as java.io.InvalidCastException I reckon things like this are more as "heritage" of Java 1.4 when generic types were not introduced to this language. So I guess everything stored in application attributes as Objects (Similar to traditional ArrayList). And when you do "downcast", there might be invalid casts. What would you do in this case? Update: Just found that although in the implicit object application I did store a List of String arrays, when I do this : List<double[]> routes = (List<double[]>)application.getAttribute("routes"); It doesn't produce any error... And I felt not comfortable already... And even with this code: out.print(routes.get(0)); It does print out something strange : [Ljava.lang.String;@18b352f Am I printing a "pointer to String"? I can finally get an exception like this: out.print(routes.get(0)[1]); with error : java.lang.ClassCastException: [Ljava.lang.String; Because it was me to add the application attribute, I know which type should it be cast to. I feel this is not "good enough", what if I forget the exact type? I know there are still some cases where this sort of thing would happen, such as in JSP/Servlet when you do casting on session attributes. Is there a better way to do this? Before you say:"OMG, why you don't use Servlets???", I should justify my reason as this: - because my uni sucks, its server can only work with Servlets generated by JSP, and I don't really want to learn how to fix issues like that. look at my previous question on this , and this is uni homework, so I've got no other choice, forget all about war, WEB-INF,etc, but "code everything directly into JSP" - because the professors do that too. :)

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• Parsing an xs:duration datatype into a Python datetime.timedelta object?

  - by Rezzie

  As per the title, I'm trying to parse an XML file containing an xs:duration data type. I'd like to convert that into a Python timedelta object, which I can then use in further calculations. Is there any built-in way of doing this? If not, what is the best way to achieve this?

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• How do i convert a string to a JSON object in JQuery?

  - by Rob

  I have a string in my db I want to pull into my page and convert to a json object. [ {id: 1,title: "Long Event", start: new Date(2009, 5, 6, 14, 0),end: new Date(2009, 5, 11)}, {id: 2,title: "Repeating Event", start: new Date(2009, 5, 2)}, {id: 3,title: "Meeting", start: new Date(2009, 5, 20, 9, 0)}, {id: 4,title: "Click for Facebook", start: new Date(2009, 5, 27, 16),end: new Date(2009, 5, 29), url: "http://facebook.com/"} ] How can I do this using JQuery?

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• How can I send a json string to view as a json object?

  - by yapiskan

  I have a json string in an action of MVC controller. I want to send it to view as a JSON object. How can I solve this? public JsonResult Json() { ... some code here ... string jsonString = "{\"Success\":true, \"Msg\":null}"; return new JsonResult() { Data = jsonString, JsonRequestBehavior = JsonRequestBehavior.AllowGet }; }

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• Can I automatically insert all members of a object somehow in Visual Studio?

  - by joeriks

  I like to insert all members of a object automatically, so I dont need to type them (or even click them). Ctrl+J gives me the dropdown, but I like them all in code with a default value, MyObject.Member1=0; MyObject.Member2=""; MyObject.Member3=0; Any Add-In or existing shortcut that can help me with that?

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• How do I make a Mach-O binary from an object file?

  - by Mike

  I have an object file, which I'd like to make into a Mach-O binary(I'm on Mac OS 10.6). Running ld source.o produces the following output: Undefined symbols: "_printf", referenced from: _main in source.o ld: symbol(s) not found for inferred architecture x86_64 How can I reference libSystem(or whatever library includes printf) using ld?

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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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• Is there a naming convention for a method that should set the properties of the passed object.

  - by Genady Sergeev

  Hello, I am writing a method that will set the properties of an object passed as a parameter. The method accepts one parameter of type interface and the return type of the method is the same interface. I was wondering if there is some kind of a naming convention for such methods. I was thinking of something like: FillInInterfaceTypeData or InitInterfaceTypeData but both sound clumsy to me. How do you think?

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• FLEX: how can I get the width of my linkButton object ?

  - by Patrick

  hi, How can I get the width of my LinkButton object ? myLinkButton = new LinkButton(); myLinkButton.label = "blabla"; myLinkButton.setStyle("fontSize", 24); myContainer.addChild(myLinkButton); trace (myContainer.width); //this doesn't work because I haven't directly set the attribute thanks

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• Given a property, how to find to which object the property belongs?

  - by Paul

  I've got a few DOM elements, say text-field input A, B, C, and all of them have the property of 'onclick'. How do I find to which object a particular 'onclick' belongs?

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• How do I display a message when clicking on an object in Visio using VBA?

  - by Helgi

  I'm totally new on this so I want to start with something simple. I have just an object in my Visio document and I want to display a Hello World! message whenever it's clicked.

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• What should the retainCount be when returning an object in Objective-C?

  - by Yakattak

  See title. To be more specific, I am trying to return the mutableCopy of an object, however it's returned with a retainCount of 1 and I am worrying that it will leak.

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• Can I debug multiple instances of a same object that is of type thread with GDB?

  - by yan bellavance

  program runs fine. When I put a breakpoint a segmentation fault is generated. Is it me or GDB? At run time this never happens and if I instantiate only one object then no problems. Im using QtCreator on ubuntu x86_64 karmic koala.

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• Why firefox shows <object> and internet explorer shows <iframe> ?

  - by metal-gear-solid

  Why if i use <object> in place for <iframe>, but IE shows <iframe> in rendered source.

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