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  • Multiple returns: Which one sets the final return value?

    - by DR
    Given this code: String test() { try { return "1"; } finally { return "2"; } } Do the language specifications define the return value of a call to test()? In other words: Is it always the same in every JVM? In the Sun JVM the return value is 2, but I want to be sure, that this is not VM-dependant.

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  • Manipulate data in the DB query or in the code

    - by DrDro
    How do you decide on which side you perform your data manipulation when you can either do it in the code or in the query ? When you need to display a date in a specific format for example. Do you retrieve the desired format directly in the sql query or you retrieve the date then format it through the code ? What helps you to decide : performance, best practice, preference in SQL vs the code language, complexity of the task... ?

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  • BSoD when creating threads

    - by Behrooz
    I am trying to create +5 threads synchronously so there shouldn't be any concurrency error. Code: System.Threading.Thread t = new System.Threading.Thread(proc); t.Start();//==t.BlueScreen(); t.Join(); Is darkness a feature ? I am doing something wrong? OS:Microsoft windows vista(unfortunately) x64 Language:C# 3.0|4.0 .Net version:3.5|4

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  • Displaying text in C# from XML via LINQ

    - by xscape
    Is there a way to display "Test" value as bold just like the implementation of newline? <testElement>Test &#xD; Test</testElement> The output of the above line when you display it is: TEST TEST I want to know what/how to make the second line as bold just line by using expressions. Thank you

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  • How do machine code instructions get transferred to the CPU?

    - by user3711789
    I'm currently investigating what the runtime of different programming languages looks like behind the scenes. For a compiled language like C, people usually give the explanation of "Code is compiled to assembly which is assembled and linked into a binary executable. The executable is then loaded into memory and the CPU interprets it." My question is how does the CPU know where to look for the next instruction to execute? Is it a memory address stored in one of the registers?

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  • plug-in architecture based c/c++ application

    - by SepiDev
    I need to know how to start writing an application based on plug-in architecture. I mean how to write a base code an let others develop the application by adding the plug-ins they write. I know that there is some problems in doing such in c++. most people use another language such as python to add plug-ins to their c++ application.

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  • Good Way to Debug Visual Studio Designer Errors

    - by Daisuke Shimamoto
    Hi, Does anyone know a good way to debug errors in the Visual Studio Designer? In our project we have tons of UserControls and many complex forms. For the complex ones, the Designer often throws various exceptions which doesn't help much and was wondering if there's some nice way to figure out what has gone wrong. The language is C# and we're using Visual Studio 2005. Thanks, Daisuke

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  • Powerbuilder resources

    - by afilatun
    I'm recently working in a company where we use PowerBuilder extensively. The only documentation or resources we have access to is some basic course saying things like "Do A, then B and you'll get C". I was wondering if there is some better crash courses or tutorials for this language on the net or somewhere else which actually explain something instead of simply taking me by the hand.

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  • How to reduce compile time with C++ templates

    - by Shane MacLaughlin
    I'm in the process of changing part of my C++ app from using an older C type array to a templated C++ container class. See this question for details. While the solution is working very well, each minor change I make to the templated code causes a very large amount of recompilation to take place, and hence drastically slows build time. Is there any way of getting template code out of the header and back into a cpp file, so that minor implementation changes don't cause major rebuilds?

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  • Arrow in nav menus in CSS/JS (e.g. playframework.org)

    - by manmal
    The navigation menu at the top of the www.playframework.org site features a small arrow pointing upward for the currently selected section (Home, Learn, Download,...). I tried to get behind the implementation they used, but I can't wrap my head around it - the resource does not show up in Chrome's Resources window, and an inspection of the elements did not show any signs of a background image, nor a JS interceptor (although I might have missed that). What in hellhound's name is going on there? :)

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  • How to animate line-drawing in iPhone development?

    - by david
    I have been searching around, but there seems no good answer for this simple question. So I am asking again: how to animate line-drawing in iphone dev? Basically what I want is something like this: @implementation MyUIView - (void) triggerLineDrawing: (CGPathRef) path { ... // animate line drawing here } Can it be done?

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  • traverse a binary decison tree using python?

    - by kaushik
    how to traverse a binary decision tree using python language. given a tree,i want know how can we travesre from root to required leaf the feature of the required leaf are given in an dictionary form assume and have to traverse from root to leaf answering the questions at each node with the details given in feature list.. the decision tree node has format ((question)(left tree)(right tree)) while traversing it should answer question at each node and an choose left or right and traverse till leaf?

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  • Generate digital signature using VBA

    - by tputkonen
    I have text cells of arbitrary length in Excel's column A. Using a private key, I want to generate digital signature for data in column A into the cell in column B. I'm looking for a macro implementation for the digital signature algorithm - I don't think one ships with Excel, but is there an addon available? It must be possible to easily verify correctness of the signature in other environments as well.

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  • Why isnt int pow(int base, int exponent) in the standard C++ libraries?

    - by Dan O
    I feel like I must just be unable to find it. Is there any reason that the c++ pow function does not implement the "power" function for anything except floats and doubles? I know the implementation is trivial, I just feel like I'm doing work that should be in a standard library. A robust power function (ie handles overflow in some consistent, explicit way) is not fun to write.

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  • How can I save content from another website to my database ?

    - by HJ-INCPP
    Hello, I want to upload dynamically content from a soccer live score website to my database. I also want to do this daily, from a single page on that website (the soccer matches for that day). If you can help me only with the connection and retrieval of data from that webpage, I will manage the rest. website: http://soccerstand.com/ language: php/java - mysql Thank you !

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