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  • RAII tutorial for c++

    - by Joe Bloggs
    Hi. I'd like to learn how to use RAII in c++. I think I know what it is, but have no idea how to implement it in my programs. A quick google search did not show any nice tutorials. Does any one have any nice links to teach me RAII?

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  • Introduction to midi programming

    - by bobobobo
    So I have a little (musical) keyboard that has USB midi interface. I know you can program to this (many programs accept input from the midi device via USB interface) but where do you begin to program a midi device? Ideally I'm looking for a platform-independent api, through Python or something.

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  • How to launch from Eclipse in Low priority under Windows?

    - by adum
    I'm running programs from Eclipse (on Windows) that eat a lot of CPU time. To avoid bogging down my whole machine, I set the priority to Low with the Task Manager. However, this is a cumbersome manual process. Is there a way Eclipse can set this priority automatically? EDIT: I realized that each particular launcher (Java, Python etc) has its own configuration method, so I will restrict this question to the Java domain, which is what I need most.

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  • Executing Multiple Lines in Python

    - by metashockwave
    When Python is first installed, the default setting executes users' code input line-by-line. But sometimes I need to write programs that executes multiple lines at once. Is there a setting in Python where I can change the code execution to one block at once? Thanks if (n/2) * 2 == n:; print 'Even'; else: print 'Odd' SyntaxError: invalid syntax When I tried to run the above code, I got an invalid syntax error on ELSE

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  • PHP Upload file enhance security

    - by mandril
    Hey.. my question is how to prevent someone upload a virus or some malicious code with the extension you pretend for example i have a pdf file uploader, anyone can upload a binary with pdf camouflage there are lots of programs to do that.

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  • question about linux

    - by davit-datuashvili
    i have following question i am writting programs in linux like this from command line i do following steps touch project.java nano project.java and // code here i have questions how can i create new classes interfaces and so on?because in IDE like netbeans i can do click on projects name with right size of mouse choose create new class or interfaces and it is created but how do it in linux if i dont use IDE?

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  • C: performance of assignments, binary operations, et cetera...

    - by Shinka
    I've heard many things about performance in C; casting is slow compared to normal assignments, functional call is slow, binary operation are much faster than normal operations, et cetera... I'm sure some of those things are specific to the architecture, and compiler optimization might make a huge difference, but I would like to see a chart to get a general idea what I should do and what I should avoid to write high-performance programs. Is there such a chart (or a website, a book, anything) ?

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  • Pretty Pixel-level Picture Painting, Programatically

    - by dreeves
    My mac laptop has 1,024,000 pixels. What's the simplest way to turn my display completely black and go nuts with writing little programs to twiddle pixels to my heart's delight? To make it more concrete, say I wanted to implement the Chaos Game to draw a Sierpinski triangle, at the pixel level, with nothing else on the screen. What are ways to do that?

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  • Pushing a mail include to a java program

    - by Marthin
    Hi, I have a Windows Server that recives mail. These mail contains only 1 single CSV file. I want my server to automatically take the attachment from any incoming mail and send to a java program locally installed. Is there anyone who can give me directions on any programs that fix this or do I need to create some kind of windows service? Thankful for any help!

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  • How to execute machine language from memory?

    - by Mike Curry
    I wrote a program to compile a simple text program to a compiled executable... Is it possible that I can load an executable to memory an some how point a pc counter to the memory space at will? Here is what I made that I would like to store the programs to memory for execution on demand... Kind of wanting to make a little web language like php but compile it... Just for learning. http://spiceycurry.blogspot.com/2010/05/simple-compilable-programming-language.html

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  • Maximize application in system tray?

    - by Nicros
    I wrote a little WPF app that when 'closed' minimizes to the system tray (customer requirement). Double clicking pops it back up, or right click gives a context menu to exit. But if the app is minimized, and the users navigate to Start-All Programs-The Application it starts a new instance. What (in C#) do I need to do to get the app to maximize the running instance if the user does this rather than fire up a new instance? Thanks!

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  • php asp differences

    - by Syom
    i dont know asp at all, and i heard somewhere, that asp more strong than php, and the really serious programs(in web) are written in asp! it makes my angry, becouse i like php, and write all my sites with it. i don't know asp, so can somebody axplain me the main defferences of them. i want have somethink to say next time, when somebody tell such thing thanks in advance

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  • Bluetooth communications with C#

    - by Abdulaziz
    hello, I want to write 2 programs with C# one work on PC, the other work on a windows mobile phone. So I want the PC program to send a signal via Bluetooth ( 1 byte maybe) to the windows mobile phone. and the mobile program (which work on background) handles and accepts this byte without the need of pairing. how to code this? please I need any kind of help.

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  • PHP & JavaScript source code formatters (prettifiers) - NATIVE only apps!

    - by vic
    Hi, I know at least two PHP source prettifiers and one for JavaScript, but all of them are written in those languages - PHP prettifiers in PHP, JavaScript in JS ;] Now what I'm looking for is a prettifier for those languages which is a native application - can be C/C++ or Pascal, so that I can run it from commandline. Possibly open source solution, as I might need to modify it a bit for my needs ... ( i need to run those prettifiers in batch mode ) any known programs / libraries for that?

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  • Good Software development courses?

    - by user296970
    I'm a software developer with a BS in Computer Science. I've been working in the field for 5 years, and I'm looking to develop my project leadership skills (I'm currently not a lead). Does anyone have any suggestions as to which schools / programs I can do? A masters is probably out of the question, due to the time required (and my not so good verbal score on my GRE). A shorter course would be preferable.

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  • Private API and SMS content URI's on Android

    - by Shadow
    Without accessing private API's to get Content URI's, etc. for SMS, how are we expected to query this data? I am currently in the process of writing my own SMS app and I want to stay as compatible as possible. Without storing the information myself in my own database (such that I can store the text messages so that other programs can access the data when/if they delete my app) and without using private API's how the heck are we suppose to query SMS data?

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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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  • Command line semaphore utility

    - by compie
    I want to write a command line utility that can be used to synchronize the execution off programs in different consoles. Console A: $ first_program && semaphore -signal Console B: $ semaphore -wait && second_program The first program takes a long take to complete. The second program can only start when the first program has finished. Which synchronization object do I need to implement this?

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  • Native API window designer

    - by Ricardo
    Why isn't there a designer for native api forms in Visual Studio? Similar to Delphi? If there exist some programs, tools etc, please advice. What is the best approach to design complex windows in pure API?

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