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  • Problems with installing jcc and pylucene

    - by Christian
    I'm trying to install pylucene on Windows XP. I installed JDK on C:\Programme\Java\jdk1.6.0_18 . I also installed Visual Studio C++ Express to have a C++ compiler. As first step I'm trying to integrate jcc into python2.6 through the command: C:\Python26\python.exe setup.py build This gives me the following result: C:\Installfiles\pylucene-3.0.1-1\jcc>C:\Python26\python.exe setup.py build Traceback (most recent call last): File "setup.py", line 332, in <module> main('--debug' in sys.argv) File "setup.py", line 289, in main raise type(e), "%s: %s" %(e, args) WindowsError: [Error 2] Das System kann die angegebene Datei nicht finden: ['jav ac.exe', '-d', 'jcc/classes', 'java/org/apache/jcc/PythonVM.java', 'java/org/apa che/jcc/PythonException.java'] Other information: In systems I set: Uservariables: CLASSPATH C:\Programme\Java\jdk1.6.0_18\bin\javac.exe System Variables Path %SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem; C:\Programme\Java\jdk1.6.0_18\bin Where does the error come from and what do I have to do to overcome it?

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  • MySQL: Can the table comment length be increased?

    - by Victor Kimura
    I read the MySQL comment length questions on StackOverflow here: http://stackoverflow.com/questions/391323/table-comment-length-in-mysql http://stackoverflow.com/questions/2473934/how-to-increase-mysql-table-comments-length The first link suggests that it can be done and the second suggests it cannot. I don't know why there is this limitation as the comments are very useful. Imagine if there was a limit of 60 characters for your programs. I wrote about this on my site and have some snapshots to the phpMyAdmin and Dbforge MySQL IDEs: http://mysql.tutorialref.com/mysql-table-comment-length-limit.html Is there a way to change this in phpMyAdmin or perhaps even on the CLI? There is a bug commit report from MySQL on this particular problem (follow the first StackOverflow link). It seems to state that the length problem is fixed. I have MySQL 5.1.42. Thank you, Victor

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  • iPhone 4.0 SDK UIWebView crashes with DOMHTMLElement error..

    - by hytgbn
    My app have an UIWebView and I open a twitter oauth page with it. when I open oauth page , it works well. after I sign-in, it redirects to another page which have PIN code. and It crashes down with logs below. Is it a bug in 4.0 SDK? 2010-06-14 22:55:11.159 AllFx[1435:2003] -[DOMHTMLElement setHref:]: unrecognized selector sent to instance 0x74e4040 2010-06-14 22:55:11.162 AllFx[1435:2003] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[DOMHTMLElement setHref:]: unrecognized selector sent to instance 0x74e4040' *** Call stack at first throw: ( 0 CoreFoundation 0x02b6c919 __exceptionPreprocess + 185 1 libobjc.A.dylib 0x02cba5de objc_exception_throw + 47 2 CoreFoundation 0x02b6e42b -[NSObject(NSObject) doesNotRecognizeSelector:] + 187 3 CoreFoundation 0x02ade116 ___forwarding___ + 966 4 CoreFoundation 0x02addcd2 _CF_forwarding_prep_0 + 50 5 DataDetectorsUI 0x0bde8ac4 -[WebTextIterator(DDExtensions) dd_doUrlificationForQuery:forResults:document:DOMWasModified:URLificationBlock:] + 1731 6 DataDetectorsUI 0x0bde2f09 -[DDOperation _doURLificationOnDocument] + 341 7 DataDetectorsUI 0x0bddff9c -[DDDetectionController _doURLificationOnWebThreadAndRelease:] + 563 8 CoreFoundation 0x02add42d __invoking___ + 29 9 CoreFoundation 0x02add301 -[NSInvocation invoke] + 145 10 WebCore 0x039fa2b3 _ZL15HandleAPISourcePv + 147 11 CoreFoundation 0x02b4dd7f __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 15 12 CoreFoundation 0x02aac2cb __CFRunLoopDoSources0 + 571 13 CoreFoundation 0x02aab7c6 __CFRunLoopRun + 470 14 CoreFoundation 0x02aab280 CFRunLoopRunSpecific + 208 15 CoreFoundation 0x02aab1a1 CFRunLoopRunInMode + 97 16 WebCore 0x039943c3 _ZL12RunWebThreadPv + 483 17 libSystem.B.dylib 0x98552a19 _pthread_start + 345 18 libSystem.B.dylib 0x9855289e thread_start + 34 ) terminate called after throwing an instance of 'NSException'

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  • Haskell Console IO in notepad++

    - by IVlad
    I've recently started to learn Haskell. I have this code module Main where import IO main = do hSetBuffering stdin LineBuffering putStrLn "Please enter your name: " name <- getLine putStrLn ("Hello, " ++ name ++ ", how are you?") I'm using the GHC compiler together with the notepad++ editor. The problem is the interaction goes like this: Process started Vlad Please enter your name: Hello, Vlad, how are you? <<< Process finished. As you can see, output is only written after I input something. This was a bit unexpected, as I was sure the program would first ask for my name, then I'd get to enter it and then it would say hello. Well, that's exactly what happens if I run the exe manually, yet not if I run it with notepad++ and use its console wrapper... How can I make notepad++ display the output when it should, and not all of it just before the program terminates? Is this even possible?

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  • Jquery click() not behaving like user click

    - by rpiontek
    I have searched for a solution to this for the last several hours but to no avail. When I click on a button that has a return false in OnClientClick, no postback occurs to the server. When I use jquery to trigger the click function of the button, OnClientClick fires first, but regardless of the return value, a postback occurs. Here's a simple sample... So, in this example, when Button1 is clicked normally, no postback occurs. When Button2 is clicked, a postback always occurs. Is this a bug or intended behavior?

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  • Problem with DWR and Android-Browser

    - by moxn
    Hello everyone, I am experiencing a problem with accessing an application from the Android-browser. The application uses DWR to persist connections to the clients that are connected with it. Everything works fine for me, except that if the application does not send any data to the client on the Android-phone for 2 minutes, the connection seems to be lost and no data arrive at the client. The same scenario works just fine on Firefox, Opera and Chrome. If the pause between two data transfers is less than 2 minutes, it works just fine. So, now my question: Is there some timeout setting for the android browser that I am missing? Or is this some built-in bug/feature/whatever that I cannot circumvent? I know that I could prevent this from happening with some sort of heartbeat, I would just like to why this is happening. Thanks in advance, Max btw: Everything (server, clients) runs on my machine and I am testing this on the android emulator with Windows XP Android emulator version 1.10 (build_id CUPCAKE-150240)

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  • Why can't the JVM just make autoboxing "just work"?

    - by Pyrolistical
    Autoboxing is rather scary. While I fully understand the difference between == and .equals I can't but help have the follow bug the hell out of me: final List<Integer> foo = Arrays.asList(1, 1000); final List<Integer> bar = Arrays.asList(1, 1000); System.out.println(foo.get(0) == bar.get(0)); System.out.println(foo.get(1) == bar.get(1)); That prints true false Why did they do it this way? It something to do with cached Integers, but if that is the case why don't they just cache all Integers used by the program? Or why doesn't the JVM always auto unbox to primitive? Printing false false or true true would have been way better.

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  • C++ namespace alias and forward declaration

    - by Dave
    I am using a C++ third party library that places all of its classes in a versioned namespace, let's call it tplib_v44. They also define a generic namespace alias: namespace tplib = tplib_v44; If a forward-declare a member of the library in my own .h file using the generic namespace... namespace tplib { class SomeClassInTpLib; } ... I get compiler errors on the header in the third-party library (which is being included later in my .cpp implementation file): error C2386: 'tplib' : a symbol with this name already exists in the current scope If I use the version-specific namespace, then everything works fine, but then ... what's the point? What's the best way to deal with this?

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  • winsock compile error

    - by ioil
    The following errors are from a file with just windows and winsock2 included. C:\Users\ioil\Desktop\dm\bin>dmc sockit.c typedef struct fd_set { ^ C:\Users\ioil\Desktop\dm\bin\..\include\win32\WINSOCK2.H(85) : Error: 'fd_set' is already defined } fd_set; ^ C:\Users\ioil\Desktop\dm\bin\..\include\win32\WINSOCK2.H(88) : Error: identifier or '( declarator )' expected struct timeval { ^ C:\Users\ioil\Desktop\dm\bin\..\include\win32\WINSOCK2.H(129) : Error: 'timeval' is already defined }; ^ C:\Users\ioil\Desktop\dm\bin\..\include\win32\WINSOCK2.H(132) : Error: identifier or '( declarator )' expected struct hostent { ^ C:\Users\ioil\Desktop\dm\bin\..\include\win32\WINSOCK2.H(185) : Error: 'hostent' is already defined Fatal error: too many errors --- errorlevel 1 C:\Users\ioil\Desktop\dm\bin> What's already been tried : placing the winsock.dll file in the same directory as the compiler and program to be compiled, placing it in the system32 directory, and entering it in the registry with the regsrv32 command. Don't really know where to go from here, appreciate any advice . . .

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  • Eclipse WTP, Axis 2 Web Service Client

    - by asrijaal
    Hi, I'm trying to build a web service and a client for this service. I'm using Eclipse 3.5.1 with axis2-1.4.1. I'm facing a problem: I created the web service via the web service wizard and the service shows up in the axis service list. If I porint to the wsdl - its generated. Now when I'm trying to build the client, I choose the wsdl, the client project and take the next button, well at the client web service configuration everything is empty. There is nor service name, no port name. Am I facing a bug? Anyoneelse faced something like this? Regards

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  • How to get more details of a java compilation

    - by Farid
    Hi, We are using an ant script in order to build our application. I recently made a change in one jar required by our app. However, when running the ant script, the compilation fails and the error message shown let me think that the compiler is using a previous version of the jar. Also, compilation throug my IDE works fine. Manual compilation with the javac command and specifying my new jar works as well. When looking at the classpath used by ant to build, I can see that the jar seems to be the correct one. So I am a bit lost actually, don't know where to look at ... Any ideas ? I also wanted to know if this is possible to get the path of the jar javac is really using when compiling a particular class .. Thanks and regards

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  • QT creator/qt embedded widget demo problem

    - by jhowland
    I have downloaded the source code for the embedded widget demos from nokia and tried to get it to compile--I end up with the following error: Compiler (mingw32) message : In file included from ../../src/basicgraph/qtbasicgraph.cpp:9: ../../src/basicgraph/qtbasicgraph.h:14:17: QtGui: No such file or directory The offending line is #include <QtGui> QT creator 1.2.0, QT 2009.03 I have checked paths, etc, and all seems fine. I have checked to make sure that I have implicitly included QT += gui and that I have NOT included QT -= gui anywhere in the .pro and .pri files. After making no changes, I used VS2005 and the appropriate commercial version of QT 4.4.3, and it compiled and ran fine I have googled the error, and have found others asking similar questions (but not here) but no posted answers...so I would appreciate any help. thanks Jonathan Howland

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  • Can't use FAXCOMEXLib in VS 2010 anymore?

    - by Sam
    I'm just in the process of moving from Visual Studio 2008 to Visual Studio 2010. One of my projects use the Microsoft Fax Service Extended COM Type Library. After converting the project to VS 2010 I get the following compiler error: C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.Targets(1558,9): error MSB3648: The Keycontainer-path "VS_KEY_812A0248FF872DEC" ist invalid. KeyContainer must point to an existing file. C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.Common.Targets(1558,9): warning MSB3283: Wrapperassembly for type library "FAXCOMEXLib" not found. I tried to remove FAXCOMEXLib from the project and adding it again, but it did not help. I got a similar problem with other COM references. How do I resolve this?

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  • Free static checker for C99 code

    - by detly
    I am looking for a free static checker for C99 code (including GCC extensions) with the ability to explicitly say "these preprocessor macros are always defined." I need that last part because I am compiling embedded code for a single target processor. The compiler (Microchip's C32, GCC based) sets a macro based on the selected processor, which is then used in the PIC32 header files to select a processor-specific header file to include. cppcheck therefore fails because it detects the 30 different #ifdefs used to select one of the many possible PIC32 processors, tries to analyse all possible combinations of these plus all other #defines, and fails. For example, if splint could process C99 code, I would use splint -D__PIC32_FEATURE_SET__=460 -D__32MX460F512L__ \ -D__LANGUAGE_C__ -I/path/to/my/includes source.c

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  • Objective-C @class / import best practice

    - by Winder
    I've noticed that a lot of Objective-C examples will forward declare classes with @class, then actually import the class in the .m file with an import. I understand that this is considered a best practice, as explained in answers to question: http://stackoverflow.com/questions/322597/objective-c-class-vs-import Coming from C++ this feels backwards. I would normally include all needed .h files in the new classes header file. This seems useful since it would make the compiler generate a warning when two classes include each other, at which point I can decide whether this is a bad thing or not then use the same Objective-C style and forward declare the class in the header and include it in the .cpp file. What is the benefit of forward declaring @class and importing in the implementation file? Should it be a best practice in C++ to forward declare classes rather than including the header file? Or is it wrong to think of Objective-C and C++ in these similar terms to begin with?

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  • Constant expression with custom object

    - by nils
    I'm trying to use an instant of a custom class as a template parameter. class X { public: X() {}; }; template <class Foo, Foo foo> struct Bar { }; const X x; Bar<X, x> foo; The compiler states that x cannot appear in a constant expression. Why that? There is everything given to construct that object at compile time.

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  • non-class rvalues always have cv-unqualified types

    - by FredOverflow
    §3.10 section 9 says "non-class rvalues always have cv-unqualified types". That made me wonder... int foo() { return 5; } const int bar() { return 5; } void pass_int(int&& i) { std::cout << "rvalue\n"; } void pass_int(const int&& i) { std::cout << "const rvalue\n"; } int main() { pass_int(foo()); // prints "rvalue" pass_int(bar()); // prints "const rvalue" } According to the standard, there is no such thing as a const rvalue for non-class types, yet bar() prefers to bind to const int&&. Is this a compiler bug? EDIT: Apparently, this is also a const rvalue :)

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  • Using a member function with QScriptEngine::newFunction

    - by Rohan Prabhu
    Hey all, Let's take the case of a simple class: QScriptEngine engine; class MyClass { public: QScriptValue foo(QScriptContext*, QScriptEngine*); MyClass(); }; QScriptValue MyClass:foo(QScriptContext* context, QScriptEngine* eng) { //something } MyClass::MyClass() { QScriptValue self = engine.newFunction(this->foo, 0); .... } The above function gives me an error: no matching function for call to ‘QScriptEngine::newFunction(<unresolved overloaded function type>, int)’ I have tried using engine.newFunction(reinterpret_cast<FunctionSignature>(foo), 0); but this gives me an error which basically says that the compiler is not aware of a keyword called 'FunctionSignature'. Any help is appreciated. Thanks a lot. Regards, rohan

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  • Combine DVCS with Visual Source Safe

    - by WBlasko
    I'm forced to use Visual Source Safe 2005 at work. I'd like to combine that with a DVCS, so that I can check in files locally without disrupting my co-workers if there's a bug or it doesn't compile. In my attempts with Mercurial, it works, but causes a few weird issues. Namely, it thinks someone else has checked out the files I have checked out. Here's my thoughts on how I should manage it: Disable auto-checkout. Work locally in Mercurial When I'm ready to push my changes... Clone my Mercurial repository. Update my Visual Source Safe repository Pull and merge the two repositories using Mercurial. Check everything into Visual Source Safe. Does this sound reasonable? I'm always hearing bad things about VSS, is this just asking for me to see those problems firsthand?

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  • java regex illegal escape character error not occurring from command line arguments

    - by Shades88
    This simple regex program import java.util.regex.*; class Regex { public static void main(String [] args) { System.out.println(args[0]); // #1 Pattern p = Pattern.compile(args[0]); // #2 Matcher m = p.matcher(args[1]); boolean b = false; while(b = m.find()) { System.out.println(m.start()+" "+m.group()); } } } invoked by java regex "\d" "sfdd1" compiles and runs fine. But if #1 is replaced by Pattern p = Pattern.compile("\d");, it gives compiler error saying illegal escape character. In #1 I also tried printing the pattern specified in the command line arguments. It prints \d, which means it is just getting replaced by \d in #2. So then why won't it throw any exception? At the end it's string argument that Pattern.compile() is taking, doesn't it detect illegal escape character then? Can someone please explain why is this behaviour?

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  • How can I test to see if a class contains a particular attribute?

    - by BryanWheelock
    How can I test to see if a class contains a particular attribute? In [14]: user = User.objects.get(pk=2) In [18]: user.__dict__ Out[18]: {'date_joined': datetime.datetime(2010, 3, 17, 15, 20, 45), 'email': u'[email protected]', 'first_name': u'', 'id': 2L, 'is_active': 1, 'is_staff': 0, 'is_superuser': 0, 'last_login': datetime.datetime(2010, 3, 17, 16, 15, 35), 'last_name': u'', 'password': u'sha1$44a2055f5', 'username': u'DickCheney'} In [25]: hasattr(user, 'username') Out[25]: True In [26]: hasattr(User, 'username') Out[26]: False I'm having a weird bug where more attributes are showing up than I actually define. I want to conditionally stop this. e.g. if not hasattr(User, 'karma'): User.add_to_class('karma', models.PositiveIntegerField(default=1))

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  • Staging database good practices

    - by Tom
    Hi, I'm about to deploy to production a fairly complex site and for the first time need a staging environment where I can test things in a more realistic environment, especially with regard to some external services that cannot be run locally. My general plan is to develop & test first locally, push simple changes (small bug fixes, HTML/CSS, JS, etc) direct to production, and for larger changes, push first to staging subdomain for thorough testing and then to production. I don't think that I need to keep the staging and production databases in sync (occasional manual updating would do) but I'm wondering if there are any general good practices with regard to maintaing a staging environment in relation to a production environment, especially when it comes to databases. Any general thoughts/advice/experience would be appreciated.

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  • Shark was unable to find symbol information for this address range - iPhone

    - by Elliot
    I'm trying to use Shark to determine which method(s) are taking the most time in my iPhone app. After sampling, I get this: Clicking the "!" button yields: Shark was unable to find symbol information for this address range. Typically this happens because the application was compiled without symbols or they have been subsequently stripped away. In Xcode, make sure the "Generate Debug Symbols" checkbox is selected (passes the -g flag to the compiler). Note that this does not affect code optimization, and does not typically alter performance significantly. However, the extra symbol information does consume significantly more space and may bloat the size of the executable. But I AM using the Debug option, and I am running on my Device. And Generate Debug Symbols IS checked. So what's wrong?

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  • HOM with Objective C

    - by Coxer
    Hey, i am new to objective C, but i tried to use HOM in order to iterate over an NSArray and append a string to each element. here is my code: void print( NSArray *array ) { NSEnumerator *enumerator = [array objectEnumerator]; id obj; while ( nil!=(obj = [enumerator nextObject]) ) { printf( "%s\n", [[obj description] cString] ); } } int main( int argc, const char *argv[] ) { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; NSArray *names = [[NSArray alloc] init]; NSArray *names_concat = [[NSArray alloc] init]; names = [NSArray arrayWithObjects:@"John",@"Mary",@"Bob",nil]; names_concat = [[names collect] stringByAppendingString: @" Doe"]; print(names_concat); [pool release]; } What is wrong with this code? My compiler (gcc) says NSArray may not respond to "-collect"

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  • GWT Background Study For Project help!

    - by Noor
    Hi, I am currently doing a project on GWT and in the background study, I need to perform a research on GWT. I have included many things which I will list below, Can u point something which I may be missing or what other interesting thing concerning GWT can i include more. The following what is currently included: GWT Java to JavaScript Compiler Deferred Binding JSNI (JavaScript Native Interface) JRE Emulation Library GWT-I18N (Internationalization and Configuration tools) GWT’s XMLParser Widgets and Panels Custom Composite Widget Event and Listeners Styling through CSS GWT History Management GWT Hibernate Integration (through GLead) MVP (Model-View-Presenter) for GWT through Model View Presenter Application Controller and Event Bus Server Calls using RPC and request builder Comet Serialization in GWT JSON (JavaScript Object Notation) Testing Web Application with GWT JUnit Benchmarking Selenium Further work in GWT such as Ext-GWT and smart GWT

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