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  • javascript substring

    - by manu1001
    the most darndest thing! the following code prints out 'llo' instead of the expected 'wo'. i get such surprising results for a few other numbers. what am i missing here? alert('helloworld'.substring(5, 2));

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  • Curl CONNECTION OPTIONS

    - by cinek1lol
    HI I'd like to know how to check out the speed of a file being uploaded in real time using the curl library in c++. This is what I have written: curl_easy_getinfo(curl,CURLINFO_SPEED_UPLOAD,&c); But the manual says that it shows average speed, but even this doesn't seem to work with me, because I can only see a 0. There is one more thing: How to set an upload limit that works, because if I write this: curl_easy_setopt(curl, CURLOPT_MAX_SEND_SPEED_LARGE, 100); I get an error 502 message plis help

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  • C programming doubt!!!

    - by aks
    Hi, I am having a programming doubt? Please have a look at the below mentioned code snippet and tell me the difference? int main() { struct sockaddr_in serv_addr, cli_addr; /* Initialize socket structure */ bzero((char *) &serv_addr, sizeof(serv_addr)); } Now, what if i do something similar without typecasting (char *), then also i feel it will do the same thing? Can someone clarify? /* Initialize socket structure */ bzero( &serv_addr, sizeof(serv_addr));

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  • What's wrong with C#?

    - by Steve M
    Asking the same of Java yielded some very interesting responses, so I thought it would be only fair to ask the same thing of C#, probably Java's closest rival. I actually like this sort of question because it's a lot less subjective than "why should I choose this language" or "why is this language so great." So.. what's wrong with C#?

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  • Control statements in Haskell?

    - by Nathan
    I am just beginning Haskell, but from all the online tutorials I've found I can't seem to find if there is one accepted way to do a conditional control statement. I have seen if-else, guards, and pattern matching, but they all seem to accomplish the same thing. Is there one generally accepted/faster/more efficient way than the rest?

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  • iPhone SDK audioSession question.

    - by Morion
    Hi to all. In my app i record and play audio at the same time. The app is almost finished. But there is one thing, that annoying me. When audio session is set to PlayAndRecord, sounds become quiet in comparison with the same sounds with the SoloAmbient category. Is there any way to make sound louder using PlayAndRecord?

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  • Unresponsive Clojure REPL after exception

    - by Hendekagon
    If I start a REPL and then do something that throws an exception like (use 'non-existent-thing) ** then after that the REPL ceases to evaluate anything I enter. Is there a special key I can press to make it turn round, face me, uncross its arms and listen once more ? Or must I ctrl-d, restart, type everything up to where I was and get it right this time ? ** which results in: Exception in thread "Thread-1" java.lang.RuntimeException: java.io.FileNotFoundException: Could not locate non_existent_thing__init.class or non_existent_thing.clj on classpath: (NO_SOURCE_FILE:0)

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  • Visual Studio Game Controller

    - by Pythonator
    I'm making a program to improve your gaming skills, so its not a hacking program!! Now, i'm stuck on 1 thing, i need sort of a keylogger, that will logg what you do, For example, when you press space, it has to put Jumped in a Rich Text Box. When you left mouse click, it has to add Shots Fired to the Rich Text Box, and then , when right mousebutton is clicked, add Aiming Down Sights, but when its released it should also add something like Stopped Aiming Down Sights Can anyone help me on this? Greets

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  • Objective-C Using Accelerometer (iPhone)

    - by Johannes Jensen
    I have a class called MainGame, which is defined like this in my .h: @interface MainGame : Renderer <UIAccelerometerDelegate> Then later in my .m I have this: - (void) accelerometer: (UIAccelerometer *)accelerometer didAccelerate: (UIAcceleration *)acceleration { // here I would read values like accelerometer.x NSLog(@"accelerated!!1"); } Am I doing it right? Currently I'm only testing in iPhone simulator, I'm going to buy the apple $99 developer thing soon. It doesn't log "accelerated!!1", but I'm guessing that's because I'm not running it on an actual device yet?

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  • Wcf service operation contract change

    - by pdiddy
    I recently added a parameter to one of the method of a wcf. It was a string parameter. The thing is that I didn't update the service reference on the client side but I was still able to call the wcf service ..... Wasn't it suppose to break?

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  • Can I use Visual Studio's testing facilities in native code?

    - by Billy ONeal
    Is it possible to use Visual Studio's testing system with native code? I have no objection to recompiling the code itself under C++/CLI if it's possible the code can be recompiled without changes -- but the production code shipped has to be native code. The Premium Edition comes with code coverage support which I might be able to get cheaply from my University -- but I can get the Professional Edition for free from DreamSpark -- and that's the only thing I can see that I'd use. (But I'd use it a LOT)

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  • Convert.ToSingle() for float dat Type

    - by Asim Sajjad
    I have used many of the Convert.To..... functions for conversion , but I didn't understand one thing that for every datatype they have provide a Convert.To function but not for float datatype, in order to convert to float you need to use Convert.ToSingle() , why is this so ?

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  • Get the Grid data in ColumnHeaderClick

    - by plotnick
    Sorrry guys, I'm stuck here. I have a few grids, I also have CollectionViewSource objects associated with those grids. Now, I'm trying to apply CollectionViewSource.SortDescriptions in ColumnHeaderClick method, and now I have to define almost the same method for each grid. But the only thing I really need is to obtain in which Grid is happenning. How to get that, I have no idea. Help me please. VisualTreeHelper.GetParent didn't work.

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  • Balancing a Binary Tree (AVL)

    - by Gustavo Carreno
    Ok, this is another one in the theory realm for the CS guys around. In the 90's I did fairly well in implementing BST's. The only thing I could bever get my head around was the intricacy of the algorithm to balance a Binary Tree (AVL). Can you guys help me on this?

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  • Updating a single file in a compressed tar

    - by Phil
    Given a compressed archive file such as application.tar.gz which has a folder application/x/y/z.jar among others, I'd like to be able to take my most recent version of z.jar and update/refresh the archive with it. Is there a way to do this other than something like the following? tar -xzf application.tar.gz cp ~/myupdatedfolder/z.jar application/x/y tar -czf application application.tar.gz I understand the -u switch in tar may be of use to avoid having to untar the whole thing, but I'm unsure how to use it exactly.

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  • linking c++ sources in iPhone project

    - by Steve918
    I have a single cpp file added to my iPhone project with a .cpp extension, but I'm seeing errors when linking like: operator new[](unsigned long)", referenced from: ___gxx_personality_sj0", referenced from: I thought as long as I named the cpp files with .cpp or .mm it would do the right thing, do I need to add some linker flags? Update: Complete Build log: http://dpaste.org/tXAy/ The C++ code: unzip.h unzip.cpp

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  • Pass a function as parameter in jQuery?

    - by thedp
    Hello, I would like to pass to a jQuery function a regular function, instead of the usual anonymous function, but I'm not sure how such a thing could be done. Instead of this: function setVersion(feature) { $.post("some.php", { abc:"abc" }, function(data){ // do something here }, "json"); } I would like to do this: function foo(data){ // do something here } function setVersion(feature) { $.post("some.php", { abc:"abc" }, foo, "json"); } Thank you.

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  • Is it good practice to use std::size_t all over the place?

    - by dehmann
    I have a lot of constants in my code that are unsigned numbers, e.g. counters, frequency cutoffs, lengths, etc. I started using std::size_t for all of these, instead of int or unsigned int. Is that the right thing to do? I started it because the STL containers use it for their sizes, it's used for string position, etc.

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  • Setting processor to 32-bit mode

    - by dboarman-FissureStudios
    It seems that the following is a common method given in many tutorials on switching a processor from 16-bit to 32-bit: mov eax, cr0 ; set bit 0 in CR0-go to pmode or eax, 1 mov cr0, eax Why wouldn't I simply do the following: or cr0, 1 Is there something I'm missing? Possibly the only thing I can think of is that I cannot perform an operation like this on the cr0 register.

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  • Recommend me a good JNI book

    - by Jose Figueroa
    Hello, I'm creating a software project in Java, is a remote administration tool. The thing is that I need to add some features with C++ and I read some about this process and I realized I need JNI, could you recommend me a good JNI Book or something related with ?

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