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  • Dataflow Programming - Patterns and Frameworks

    - by Styrac
    I just came across the proposed Boost::Dataflow library. It seems like an interesting approach and I was wondering if there are other such alternative frameworks for C++, and if there are any related design patterns. I have not ruled out Boost::Dataflow, I am just looking into any available alternatives so I can understand the domain and my options better (or roll my own if necessary).

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  • The same class file in multiple .jar files. How bad is this?

    - by Kannan Goundan
    I have a library that writes data in either a text or binary format. It has the following three components: common data structures text writer (depends on 1) binary writer (depends on 1) The obvious way to distribute this is as 3 .jar files, so that users can include only what they need. However, the "common data structures" component is really just two small classes so I'm considering creating only two .jar files and including the common .class files in both. My question: What are the potential problems with doing this?

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  • HTML tidy/cleaning in Ruby 1.9

    - by Christian
    I'm currently using the RubyTidy Ruby bindings for HTML tidy to make sure HTML I receive is well-formed. Currently this library is the only thing holding me back from getting a Rails application on Ruby 1.9. Are there any alternative libraries out there that will tidy up chunks of HTML on Ruby 1.9?

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  • Uncaught Error: INDEX_SIZE_ERR

    - by Gart
    I am drawing on a canvas with the following line: ctx.drawImage(compositeImage, 0, 0, image.width, image.height, i, j, scaledCompositeImageWidth, scaledCompositeImageHeight); This code has executed error free on Safari, Chrome, Firefox (and even IE using google's excanvas library). However, a recent update to Chrome now throws the following error: Uncaught Error: INDEX_SIZE_ERR: DOM Exception 1 This code often positions part or all of the drawn image OFF the canvas, anyone got any idea what's going on here?

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  • flash going crazy when adding two functions

    - by Malfist
    I'm adding these two functions to a parent class: public function get topShot():ShotGlass { return _topShot; } public function get bottomShot():ShotGlass { return _bottomShot; } The calls is called BaseEntry and is a subclass of MovieClip. Once I add these two functions, I get "The class 'class' must subclass 'flash.display.MovieClip' since it is linked to a library symbol of that type" on all the subclasses. What's going on?

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  • What is the cause on an UnsatisfiedLinkError?

    - by gurukulki
    When i am trying to run my program it is giving the following error Exception in thread "main" java.lang.UnsatisfiedLinkError: no jacob-1.14.3-x86 in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1682) at java.lang.Runtime.loadLibrary0(Runtime.java:823) at java.lang.System.loadLibrary(System.java:1030) at com.jacob.com.LibraryLoader.loadJacobLibrary(LibraryLoader.java:184) at com.jacob.com.JacobObject.<clinit>(JacobObject.java:108) at javaSMSTest.main(javaSMSTest.java:18) please help

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  • a good book about software design

    - by Idan
    i'm looking for a book that talks about sofware decision like : when should i use thread pool and shouldn't. and in the first case, explains how. how should i acess my DB , how big my transactions should be how to read XML, to use DOM or SAX, what library to choose, and best ways to parse how to handle client-server app best efficient way and more stuff like that. is a book like that exist ? (preferably in c++ but not that important)

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  • Best practices for custom http user-agent strings?

    - by Noufal Ibrahim
    I'm developing an application that communicates with an internal web service using HTTP. Are there any "best practices" for custom user-agent strings so that I can put a nice one in my app? It's a Python library and the lower transport is Python's own httplib. Should the user-agent string say that or something else?

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  • Biased Random Number Generator

    - by cmptrer
    I am looking for a random number generator that can be biased. For instance, say I want a random number between 1-5, with the probability being: 1: Comes up 20% of the time 2: Comes up 10% of the time 3: Comes up 40% of the time 4: Comes up 25% of the time 5: Comes up 5% of the time Is there anything in the standard library, or other libraries out there that would do this? Alternatively, is there an efficient way to do this myself?

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  • CMake and BLAS for a C program

    - by SuperBloup
    I'm trying to use CMake to build a program relying on blas, I'm detecting blas using : include (${CMAKE_ROOT}/Modules/FindBLAS.cmake) The problem is, FindBLAS require a fortran compiler and complain with -- Looking for BLAS... - NOT found (Fortran not enabled) As blas is already installed on my machine (ATLAS Blas), and gfortran is also installed, how can I enable Fortran, or is there a workaround to find the blas library for C?

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  • Show milliseconds with Android Chronometer

    - by Matthew Steeples
    I'm looking for a way to make the Chronometer in Android (preferably 1.6 and upwards) show 10ths of a second while counting up. Is it possible to do this? If not, is there a free (and preferably open source) library that does the same? Failing that I'll write my own, but I'd rather use someone else's!

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  • MPMediaPickerController for selecting video files

    - by Chonch
    Hey, I want to enable the user to select a video file from the on-device iPod library (so that I can play it in my own app). Is that possible? I was thinking on using MPMediaPickerController but I am not sure if it is able to select video files or just audio files. Any help will be greatly appreciated. Thanks,

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  • MPMoviePlayerController doesn't implement MPMediaPlayback protocol as advertised?

    - by goren
    I'm trying to use the MPMediaPlayback protocol's currentPlaybackRate() to slow down a video. I'm confused though as the class MPMoviePlayerController states that: You can control most aspects of playback programmatically using the methods and properties of the MPMediaPlayback protocol, to which this class conforms. Except just above in the header here: http://developer.apple.com/iphone/library/documentation/MediaPlayer/Reference/MPMoviePlayerController_Class/MPMoviePlayerController/MPMoviePlayerController.html it doesn't seem to. All I want to do is slow down the playback rate for a video.

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  • What is this error?

    - by gurukulki
    When i am trying to run my program it is giving the following error Exception in thread "main" java.lang.UnsatisfiedLinkError: no jacob-1.14.3-x86 in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1682) at java.lang.Runtime.loadLibrary0(Runtime.java:823) at java.lang.System.loadLibrary(System.java:1030) at com.jacob.com.LibraryLoader.loadJacobLibrary(LibraryLoader.java:184) at com.jacob.com.JacobObject.<clinit>(JacobObject.java:108) at javaSMSTest.main(javaSMSTest.java:18) please help

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  • Difference between MS C#(csc) and mono C#(mcs) in terms of linking DLL

    - by prosseek
    I could generate DLL and link it to the EXE as follows with Visual Studio (csc) mcs /target:library /out:MathLibrary.DLL Add.cs Mult.cs mcs /out:TestCode.exe /reference:MathLibrary.DLL TestCode.cs But, with mono, I have to give the DLL info as follows. mcs /out:TestCode.exe /reference:./MathLibrary.DLL TestCode.cs <-- Is this expected behavior? Is there any way to use just the name of DLL in mono?

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  • GMP variable's bit size..

    - by kishorebjv
    In GMP library, _mp_size holds the number of limbs of an integer.. we can create integers of size 1 limb(32bits),2 limbs(64bits),3 limbs(96bits)...so on. using mpz_init or mpz_random functions.. cant we create an integer variable of size 8bit or 16 bit.. other than multiples of 32 bit size ??? can you code for that?? thank you ..

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