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• Best json parser for qt?

  - by Martin

  I'm using QT for Symbian and need a simple json parser. I need to be able to go from json to Qt-variant and the other way around. Is there a simple json parser that I can use? I don't want to write my own. What is the best way to go? Thanks!

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• Simple "Long Polling" example code?

  - by dbr

  I can find lots of information on how Long Polling works (For example, this, and this), but no simple examples of how to implement this in code. All I can find is cometd, which relies on the Dojo JS framework, and a fairly complex server system.. Basically, how would I use Apache to serve the requests, and how would I write a simple script (say, in PHP) which would "long-poll" the server for new messages? The example doesn't have to be scaleable, secure or complete, it just needs to work!

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• Javassist annoations problem

  - by Ali

  I'm trying to generate my Entity class using javassist. Everything went well until I added the GeneratedValue annotation to the Id field. The @Id annotation works fine but when I add @GeneeratedValue I get an exception. This is my code: ClassPool cp = ClassPool.getDefault(); CtClass ctClass = cp.makeClass("test.Snake"); ClassFile classFile = ctClass.getClassFile(); classFile.setVersionToJava5(); AnnotationsAttribute attribute = new AnnotationsAttribute(classFile.getConstPool(), AnnotationsAttribute.visibleTag); Annotation idAnnotation = new Annotation(classFile.getConstPool(), ClassPool.getDefault().get("javax.persistence.Id")); attribute.addAnnotation(idAnnotation); Annotation gvAnnotation = new Annotation(classFile.getConstPool(), ClassPool.getDefault().get("javax.persistence.GeneratedValue")); attribute.addAnnotation(gvAnnotation); CtField idField = new CtField(ClassPool.getDefault().get("java.lang.Long"), "id", ctClass); idField.getFieldInfo().addAttribute(attribute); ctClass.addField(idField); CtField nameField = new CtField(ClassPool.getDefault().get("java.lang.String"), "name", ctClass); ctClass.addField(nameField); AnnotationsAttribute attr = new AnnotationsAttribute(classFile.getConstPool(), AnnotationsAttribute.visibleTag); Annotation annotation = new Annotation(classFile.getConstPool(), ClassPool.getDefault().get("javax.persistence.Entity")); attr.addAnnotation(annotation); classFile.addAttribute(attr); snakeClass = ctClass.toClass(); newInstance = snakeClass.newInstance(); And this is the exception I get: java.lang.NullPointerException at javassist.bytecode.ConstPool.getUtf8Info(ConstPool.java:565) at javassist.bytecode.annotation.EnumMemberValue.getValue(EnumMemberValue.java:98) at javassist.bytecode.annotation.EnumMemberValue.write(EnumMemberValue.java:116) at javassist.bytecode.annotation.Annotation.write(Annotation.java:316) at javassist.bytecode.AnnotationsAttribute.setAnnotations(AnnotationsAttribute.java:246) at javassist.bytecode.AnnotationsAttribute.addAnnotation(AnnotationsAttribute.java:211) at ClassLoadingTest.javassitTest(ClassLoadingTest.java:56) It seems to be a problem with @GeneratedValue. When I use it alone whithout id I get this exception either. When I use eclipse debugger to watch variable values, I get get this com.sun.jdi.InvocationException occurred invoking method. instead of the annotation value. but for Id annotation it shows a javassist annotation object. I'm new to javassist. Can anyone help me?

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• How to get bluetooth RSSI on android after discovery

  - by Karthik Ganesan

  I'm trying to write a program that can read the signal strength of a bluetooth device linked to my android 2.0 handset. Doesnt seem like android exposes anyway to get the RSSI unless it is during discovery. Is there any other way to get the signal strength of the device after the device has been detected? I read of a way to do it using NDK to access the underlying BlueZ API, but I dont know how to use that. Any help would be appreciated.

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• VB restart form

  - by hiba salem

  I created a button and I need it to restart the form I have no idea how to work on the sily visual basic what should i write Private Sub Button2_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click End Sub

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• How do you unit test JEE code?

  - by marabol

  I want to ask for your prefered way to test JEE code? I found only three project, that are trying to help to code unit tests in JEE environment: http://jakarta.apache.org/cactus/ : Last Published: 2009-01-18 http://www.junitee.org/ : Last Release: 2004-12-11 http://ejb3unit.sourceforge.net/ : Last Release: 2008-05-17 So I wonder, is there any framework helping to write (j) unit test for JEE code? do you use embedded JEE servers like jboss or glassfish v3? do you mockup and inject by yourself? Thanks a lot...

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• Twitter/Facebook API for Ruby.

  - by RPK

  I want to write a Ruby application through which: I can submit tweets to twitter. I can submit a post to facebook. I can manage real-time stats of tweets Is there any twitter/facebook api for Ruby?

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• Operators overloading for enums.

  - by atch

  Is it possible to define operators for enums? For example I have enum Month in my class and I would like to be able to write ++my_month. Thanks

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• Is there a Max function in SQL Server that takes two values like Math.Max in .NET?

  - by skb

  I want to write a query like this: SELECT o.OrderId, MAX(o.NegotiatedPrice, o.SuggestedPrice) FROM Order o But this isn't how the MAX function works, right? It is an aggregate function so it expects a single parameter and then returns the MAX of all rows. Does anyone know how to do it my way?

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• Are there something like Python generators in Ruby?

  - by bodacydo

  I am new to Ruby, is there a way to yield values from Ruby functions? If yes, how? If not, what are my options to write lazy code?

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• insert BibTeX article *here*, not at the end of the article

  - by vy32

  I've seen this before, but I just can't find it. I am writing a resume and want to include the articles from my bibtex file. If I write \cite{FOO} then they all appear at the end. I know that there is some way to say \something{FOO} and the FOO reference appears here. Basically, I want this section of my CV to look like: \something{FOO1} \something{FOO2} What is the \something? Thanks.

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• Linux Kernel - Where in the kernel are blocks of data physically written to specific disk partitions

  - by SpdStr

  I'm modifying the Linux kernel and am trying to find where in the kernel source blocks of data are physically written to disk partitions such as ubd0. Where does this occur in kernel source? The actual physical write call? I cannot find this. Thanks!

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• Help me out in writing REGEX

  - by giri

  Hi I like to know how to write REGEX for the following code. <a href="/search?q=user:111111+[apple]" class="post-tag" title="show all posts by this user in 'apple'">Apple</a><span class="item-multiplier">&times;&nbsp;171</span><br> I just need to fetch Apple from the above source code. Can anybody help me out in writing REGEX. Thanks

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• Possible to open a text file in a MYSQL stored procedure?

  - by futureelite7

  Is it possible to open and read from a text file in a MYSQL stored procedure? I have a text file with a list of about 50k telephone numbers, and want to write a stored procedure that will open the file, read the 50k lines and store it as rows in a table. I cannot load the file directly using LOAD IN FILE as the table has additional columns that I have to set. Thanks!

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• assert fact into file in prolog

  - by smile

  Hello everyone, How can I assert a fact into a file without deleting the previous fact? In the following line, when I execute it twice, the second fact overwrites the first fact: tell('animal.txt'),write(Animal),nl,told. But when I use assert or assertz it will do nothing. Help me please. Thank you :)

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• When using a mocking framework and MSPEC where do you set your stubs

  - by Kev Hunter

  I am relatively new to using MSpec and as I write more and more tests it becomes obvious to reduce duplication you often have to use a base class for your setup as per Rob Conery's article I am happy with using the AssertWasCalled method to verify my expectations, but where do you set up a stub's return value, I find it useful to set the context in the base class injecting my dependencies but that (I think) means that I need to set my stubs up in the Because delegate which just feels wrong. Is there a better approach I am missing?

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• Does TestNG has runner like SpringJUnit4ClassRunner

  - by Michal Mech

  Hi, When I write tests in JUnit (in Spring context) I usualy do it like this: @RunWith(SpringJUnit4ClassRunner.class) @ContextConfiguration("classpath:testContext.xml") public class SimpleTest { @Test public void testMethod() { // execute test logic... } } How can I do the same with TestNG?

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• [UIApplication sharedApplication] doesn't return windows

  - by mxg

  I need to add a view to window on iPhone, so i tried to do this: [[UIApplication sharedApplication] windows], but it seams that the array contains only one window. Can anyone tell me what i'm not doing write/what i need to do?

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• Licensing software that uses GPL code with licenses other than GPL

  - by swampsjohn

  Let's say I write some code, which we'll call X. It uses some GPL code, let's call it library Y. Clearly I would have to release X with a GPL license. That's fine. My question is, can I additionally release X under a license such as MIT, so that if someone only wants X but not Y they don't need to use it with the GPL?

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• Class Generator for web services against Java/Android

  - by Jeremy Edwards

  Is there any class generators to process web services in Android/Java? I may have to write my own to generate classes against WSDL but I'm trying not to. Also is there one for REST services as well? If not providing me with discovery service suggestions like disco/wsdl are good enough.

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• Linq 2 Sybase ASE database? What are the options?

  - by Scott Weinstein

  I have a need to query an existing Sybase ASE database and would like to use Linq syntax for my data retrival. I don't need write access, nor do I need the full set of Linq operators, just Select(), SelectMany(), Where(), and GroupJoin() What are options are available? In particular, I'm wondering about nHibernate and building a new Linq2Sybase provider based on the IQ toolkit.

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• Is ther any DLL or DLL like concept in Android?

  - by Prashant

  Hello, We know that we can use a concept "Java Package" but I just wanted to know that whether Android has provided a DLL or DLL like concept where we can write a most of the functionality. Or can we use Activity for serving a purpose of DLL. Can any one tell me is there any concept like DLL on Android OS? Can we develop a DLL for better modularization and other benefits on Android? Thanks and Regards, Prashant.

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• gitosis-admin git push failed, exec hooks/post-update

  - by v14nt0

  I'm following this tutorial http://scie.nti.st/2007/11/14/hosting-git-repositories-the-easy-and-secure-way after this step git commit -a -m "Allow jdoe write access to free_monkey" git push i always failed, with this error fatal: exec hooks/post-update failed. this is from my /home/git/repositories/gitosis-admin/hooks/post-update -rwxr-xr-x 1 git git 83 Mar 10 11:49 post-update so i change gitosis.conf manually from server for adding new repositories, and repos can work fine. i've google what might cause it, i want to admin gitosis in proper way Please Help Regards, REV

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• Web application vs. web services vs. classic application

  - by Cicik

  Please I need help. I have project in which I need application which communicates with local DB server and simultaneously with central remote DB server to complete some task(read stock quotas from local server create order and then write order to central orders DB,...). So, I don`t know which architecture and technology do this. Web application, .NET WinForms client applications on each computer, or web services based central application with client applications? What are general differences between this approaches? Thanks

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• set Timeout before redirrect page in C#

  - by loviji

  Hello, How to implement timeout in this code: Response.Write(@"<script language='javascript'>alert('some alert');</script>"); Response.Redirect(Request.ApplicationPath); I want to show to user message, and after redirect. But in my solution operations occurs very fast, and alert is not shown. thanks

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