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  • does code in finally get run after a return in objective-c?

    - by Kevlar
    consider the following code: @try { if (something.notvalid) { return; } // do something else } @catch (NSException *ex) { // handle exception } @finally { NSLog(@"finally!"); } if something is not valid and i return from within the try, does the code in @finally execute or not? I believe that it should but others I've spoken to don't think so and i'm unable to test this at the moment.

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  • Is a C++ compiler allowed to emit different machine code compiling the same program?

    - by sharptooth
    Consider a situation. We have some specific C++ compiler, a specific set of compiler settings and a specific C++ program. We compile that specific programs with that compiler and those settings two times, doing a "clean compile" each time. Should the machine code emitted be the same (I don't mean timestamps and other bells and whistles, I mean only real code that will be executed) or is it allowed to vary from one compilation to another?

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  • How would I implement code in a .h file into the main.cpp file?

    - by Lea
    I have a c++ project I am working on. I am a little stumped at the moment. I need a little help. I need to implement code from the .h file into the main.cpp file and I am not sure how to do that. For example code code from main.cpp: switch (choice){ case 1: // open an account { cout << "Please enter the opening balence: $ "; cin >> openBal; cout << endl; cout << "Please enter the account number: "; cin >> accountNum; cout << endl; break; } case 2:// check an account { cout << "Please enter the account number: "; cin >> accountNum; cout << endl; break; } and code from the .h file: void display(ostream& out) const; // displays every item in this list through out bool retrieve(elemType& item) const; // retrieves item from this list // returns true if item is present in this list and // element in this list is copied to item // false otherwise // transformers void insert(const elemType& item); // inserts item into this list // preconditions: list is not full and // item not present in this list // postcondition: item is in this list In the .h file you would need to use the void insert under transformer in the main.cpp under case 1. How would you do that? Any help is apprecaited. I hope I didn't confuse anyone on what I am needing to know how to do. Thanks

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  • NUnit Test Case Code Generator Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information

    - by user1732969
    im trying to load an assembly nunit created in Monodevelop Im using the software NUnit Test Case Code Generator for create unit testing http://www.codeproject.com/Articles/28461/NUnit-Test-Case-Code-Generator After compiling the project in MonoDevelop, loading file .dll of the proyect in Nunit Test case generator the following error appears: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information. Can you help me?

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  • Is there any way to notify IE about changes done in registry via code?

    - by Mayur M
    Hi, I have done changes in registry (proxy settings) via Windows programming code. I have to restart (reopen) Internet Explorer each time I run the code to make those changes take effect. Is there any API in Windows programming through which I can notify Internet Explorer or Windows that changes are made to the registry and there will not be any need to reopen Internet Explorer to make those changes take effect? Thanks.

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  • Tutorial how to create a CXF web service from existing Java code and embed it in Tomcat

    - by EugeneP
    Do you know a tutorial how to create a CXF web service from existing Java code and embed it in Tomcat, and also generate a wsdl file so that any .NET system would be able to generate client code easily? I miss that WSDL creation point in, for example this http://www.ibm.com/developerworks/library/ws-pojo-springcxf/ tutorial. No wsdl file is generated. But still it should be present in my case to provide system interoperability.

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  • Should you always write code for else cases that "can never happen"?

    - by johnswamps
    Take some code like if (person.IsMale()) { doGuyStuff(); } else { doGirlOtherStuff(); } (Yes, I realize this is bad OO code, it's an example) Should this be written so that to explicitly check if person.isFemale(), and then add a new else that throws an exception? Or maybe you're checking values in an enum, or something like that. You think that no one will add new elements to the enum, but who knows? "Can never happen" sounds like famous last words.

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  • Is allocating a dynamic array without specifying size well formed code?

    - by Als
    The following simple program snippet gives compilation errorswith gcc-4.3.4. Program: int main() { char *ptr = new char[10]; char *ptr1 = new char[]; return 0; } Compilation errors: prog.cpp: In function ‘int main()’: prog.cpp:4: error: expected primary-expression before ‘]’ token prog.cpp:3: warning: unused variable ‘ptr’ prog.cpp:4: warning: unused variable ‘ptr1’ But the same compiles cleanly with MSVC without any diagnostic message. So my question is: Does the Standard allow an new [] to be called without specifying the size? Or this a bug in MSVC? Can someone provide a reference from the standard which will conclusively say that the above code example is ill-formed or well-formed? I have had a look at: 5.3.4 New [expr.new] & 18.4.1.2 Array forms [lib.new.delete.array] but couldnt find any conclusive evidence about the behavior.

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  • Whats the difference between theese two java code snippets?

    - by Joe Hopfgartner
    I have this code i am doing for university. The first code works as expected, the second one provides different results. I can not see what they are doing differently?? first: public Mat3 getNormalMatrix() { return new Mat3(this.getInverseMatrix()).transpose(); } second: public Mat3 getNormalMatrix() { Mat4 mat = this.getInverseMatrix(); Mat3 bla = new Mat3(mat); bla.transpose(); return bla; }

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  • In a Visual Studio C++ project with /clr, are its dependencies also compiled to managed code?

    - by Michael
    To be a bit more clear. If I have a Visual Studio C++ solution that has two projects, say a static library with CLR support turned off, and a second project with CLR support turned on that depends on this static library, does the static library get compiled as managed code? What about libraries that the CLR project uses that are external to this solution, do they also get compiled as managed code?

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  • Is it possible to determine whose code (according to `git blame`) was affected by each hunk output by `git diff`?

    - by Ben
    I have a large cross-cutting commit that I would like to split up according to the authors whose code was affected, both to increase the reviewers' familiarity with the code they're reviewing, and to divide the review burden equitably. I realize that the blame may be mixed within a given hunk, in which case it would be nice to either collect multiple reviewers or just choose the most "blameworthy" one (breaking ties arbitrarily is fine).

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  • Why aren't IOKit notifications being delivered with this code?

    - by gojohnnyboi
    I wrote this code to subscribe to USB devices being plugged in and unplugged; the point is for IOKit to deliver notifications to my iAttached() and iDetached() functions when the corresponding events occur. However, I don't get notifications. The code can be seen here: http://gist.github.com/402391 I didn't want to over-populate this page with it, as it is moderately long.

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