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  • iPhone Quartz - Open GL

    - by user345473
    Hi all, Does anyone have an idea what do the mind mapping applications use for drawing: Quartz 2D or Open GL? What would be the best way to implement this kind of application? Any advice is welcomed! Thanks!

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  • best scala idiom for find & return

    - by IttayD
    This is something I encounter frequently, but I don't know the elegant way of doing. I have a collection of Foo objects. Foo has a method bar() that may return null or a Bar object. I want to scan the collection, calling each object's bar() method and stop on the first one returning an actual reference and return that reference from the scan. Obviously: foos.find(_.bar != null).bar does the trick, but calls #bar twice.

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  • Serializing data from a RSS feed in ASP.NET

    - by DotnetDude
    I'd like the user to specify a RSS feed address and serialize the information from it. I am not interested in the XML format, but populate a strongly typed object from the XML. My question is, is there a standard that all RSS feeds support (Do all of them have date, title etc)? If so, is there a XSD that describes this. If not, how do I handle serializing a RSS feed to an object in ASP.NET?

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  • Reduce Triangle in DirectX 9

    - by Himadri
    Hello everyone, I have a 3D object with about 2000 or 3000 triangles. I want to reduce the number of triangle without affecting shape of object. for eg, I have two triangles, (1,1.5,2) (1.5,1.5,2) (1.7,2,2) (1.5,1.5,2) (1.7,2,2) (2,1.5,2) In this case these two triangle is same as a single triangle - (1,1.5,2) (2,1.5,2) (1.7,2,2) I dont want the manual method, But if there is any direct function or such thing which will reduce my triangle list. Thank You.

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  • Find UI components in real time run, under Android OS, it is possible?

    - by kimo
    Hi All, I want to know if I can find/reach UI components of running application under Android OS. it is possible to catch the Button/DDL/.. that was clicked by the user in real-time, example from other subject(web): In browser I can listen to the events and catch the DOM object that was clicked, in this way I can save the DOM object data. catching UI components that was changed by the user will give the option to save UI componentdata, and to perform the user actions automatic. Thanks.

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  • C# dispatcher problem

    - by Bert
    Hi, In the constructor of an object i need to create a WPF mediaElement object: m_videoMedia = new MediaElement(); but the class can also be instantiated from a other thread so i need to use Dispatcher.Invoke(DispatcherPriority.Normal, (Action)(() => { m_videoMedia = new MediaElement(); })); But how can I get the right dispatcher instance in that constructor :s

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  • Accessing a numeric property in a SimpleXMLElement

    - by Webnet
    I'm trying to access the number in the below element, but I'm having trouble getting the value out of it. echo $object->0; //returns Parse error: syntax error, unexpected T_LNUMBER, expecting T_STRING or T_VARIABLE or '{' or '$' SimpleXMLElement Object ( [0:public] => 15810 ) Any ideas on how I can get that value?

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  • implement acl on field in spring security

    - by Mike
    Hi! I would like implement spring acl for my object fields. does anyone has an idea what do i have to implment for it? for example, i have Purchase object. i would like admin_role to have read on all the fields, and secretary_role to have read only on username and address field

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  • Javascript syntax for abbreviating repeated access to same identifier

    - by yongjieli
    Hi all I wanted to ask if there is a formal way of describing the following code, whereby we can access the same object repeatedly without re-typing the object's identifier: myObj.render(1).render(2).print(); I didn't know how to describe it when trying to form a question; I wanted to know whether or not something like this is possible in javascript, I know that I can do it in VB: myObj.render(1) if(foo == 'bar') .render(2) .print(); Thanks!

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  • Rails and a development domain

    - by Adam
    I'm trying to use http://ls1.bigseapreview.com as a domain for a Rails project. The problem is it doesn't seem to be correctly mapping any routing apart from the home page. I have added /about but you can see that you will just get a 404, but it works locally. What do I have to do to fix this?

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  • Changing the Order in a .NET Generic Dictionary

    - by pm_2
    I have a class that inherits from a generic dictionary as follows: Class myClass : System.Collections.Generic.Dictionary<int, Object> I have added a list of values to this in a particular order, but I now wish to change that order. Is there any way (without removing and re-adding) that I could effectively re-index the values; so change the object at index 1 to now be at index 10 for example? For example, this doesn't work: myClass[1].Index = 10;

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  • What does ObjectName(parameter) refer in the structure OBJECT_ATTRIBUTE?

    - by kiddo
    hi all, I found this structure called OBJECT_ATTRIBUTE in one of the nt dll functions..I was curious to know about that structure and I went through its documentation(msdn)...In the OBJECT_ATTRIBUTE structure there is a parameter called PUNICODE_STRING objectName...As per the msdn documentation..it says that the objectName "the name of the object for which a handle is to be opened" which is actually a name or some root directory,am confused with this.Can anybody explain this term "name of the object"(root directory).what it represents.

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  • How to validate if an HTMLLIElement is hidden with jQuery

    - by Hanzel
    I'm iterating through a variable called content, it contains several HTMLLIElement objects. How can i use jQuery's or JavaScript's functions with this object?, what I'm trying to do is the kind of validation written in the commented code. $.each(content, function(index, value){ //if(!value.is(':hidden')){ console.log(index + ' : ' + value); //} }); What I'm getting is Uncaught TypeError: Object # has no method 'is' If I do value.getAttribute('style'); I get 'display: none;'

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  • In the Enterprise Library, how does the abstract Validator.cs have a method definition?

    - by Soham
    Consider this piece of code: public abstract class Validator { protected Validator() { } protected abstract void ValidateCore(object instance, string value, IList<ValidationResult> results); public void Validate(object instance, string value, IList<ValidationResult> results) { if (null == instance) throw new ArgumentNullException("instance"); if (null == results) throw new ArgumentNullException("results"); ValidateCore(instance, value, results); } } Look at the Validate() overload, how can an abstract class have definitions like this?

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  • How to select data in JSON based on other JSON data? Javascript

    - by user1699030
    Is it possible to select certain data in a JSON Object using other data in the same JSON Object. Similar to MySQL. For example: myObj = {"elements" : [ { "name" : "Hydrogen", "symbol" : "H" }, { "name" : "Silver", "symbol" : "Ag" }]}; I want to select "Hydrogen" where the symbol is "H". Instead of having to put in something like this: document.getElementByID("TEST").innerHTML = myObj.elements[0].name; Thank you in advance.

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  • send xml data from j2me app to remote server

    - by pi
    Hi, I have a J2ME application - which generates XML data (from an object) and needs to get it sent across to a remote server/machine. How do I get this xml or the object through to the remote server please? Thanks. Just in case it might help, the receiving application on the remote server is PHP powered. Thanks again.

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  • Restrict type of method parameter with two or more class names?

    - by Kirzilla
    Hello, We can restrict type of method parameters; for example, we should say that function parameter should be an instance of object described in class with name "Some Class". function some_function(Some_Class $object) { } Is there any php native posibilities to restrict method parameter with two or more classes? For examle, "Some Class" or "Some Class2" or "Some Class3". Or maybe there is any way to restrict method parameter with classes which implements interface with name "Some_Interface"? Thank you.

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  • Does Java not support multiple inheritance?

    - by user1720616
    Lets us take instances of two classes public abstract class Shapes { public abstract void draw(Graphics g); } public class Rectangle extends Shapes { public void draw(Graphics g) { //implementation of the method } } here the class Rectangle has extended class Shapes and implicitly it extends class Object.I know no other extension is possible but cant we call inheriting classes Shapes and Object multiple inheritance?(Since inheriting two classes is multiple inheritance from one perspective)

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  • does @@identity return the primary key or identity field?

    - by elspiko
    Hi, My issue is that I've got update triggers on an SQL View (MS SQL 2005) which I'm mapping to LINQ to SQL entities in C#... My SQL looks correct but it complains about trying to insert a null value into a secondary table PK field. I believe my issue relates to having the primary key and identity as seperate fields in the primary table. So my question is this....when using @@identity, does it look at the primary key of the inserted row, or does it look at the field with "IDENTITY" specified???

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