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  • Why is Matlab Stateflow 7.7 not throwing errors on undefined variables?

    - by Pyrolistical
    Previously in Matlab Stateflow 7.1 all variables and functions had to be included before they can be referred to in the state diagram or else it would throw an error when you tried to parse the diagram. But now in 7.7 it doesn't catch those kinds of errors. Its still compiling the diagram because it catches other syntactic errors. Am I missing an option somewhere? Can this be turned on?

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  • Neural Network 0 vs -1

    - by Louis
    I have seen a few times people using -1 as opposed to 0 when working with neural networks for the input data. How is this better and does it effect any of the mathematics to implement it? Edit: Using feedforward and back prop Edit 2: I gave it a go but the network stopped learning so I assume the maths would have to change somewhere?

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  • Test if links are external with jQuery / javascript?

    - by Matrym
    How do I test to see if links are external or internal? Please note: I cannot hard code the local domain. I cannot test for "http". I could just as easily be linking to my own site with an http absolute link. I want to use jQuery / javascript, not css. I suspect the answer lies somewhere in location.href, but the solution evades me. Thanks!

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  • C# - Does foreach() iterate by reference?

    - by sharkin
    Consider this: List<MyClass> obj_list = get_the_list(); foreach( MyClass obj in obj_list ) { obj.property = 42; } Is 'obj' a reference to the corresponding object within the list so that when I change the property the change will persist in the object instance once constructed somewhere?

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  • C#. Where struct methods code kept in memory?

    - by maxima120
    It is somewhat known where .NET keeps value types in memory (mostly in stack but could be in heap in certain circumstances etc)... My question is - where is the code of the struct? If I have say 16 byte of data fields in the struct and a massive computation method in it - I am presuming that 16 byte will be copied in stack and the method code is stored somewhere else and is shared for all instances of the struct. Are these presumptions correct?

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  • Is it possible to run OSX in a virtual machine?

    - by Frep D-Oronge
    I'd love to be able to try Mac OSX in a VM, preferable on something shiny and new like KVM for linux. I'm a Linux and Windows person, but would like to try out OSX without investing in the expensive hardware or accumulating yet another box to fit somewhere under my desk. (Read: no I don't want to get a Mac Mini) Is this possible? Legal? If so, what are the drawbacks and tricks

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  • Call Single StrConn from Multiple Pages

    - by Daniel
    I have a ocnnection to SQL Server set up in my vba code. The format is: strConn = "ODBC;Driver=SQL;Server=SQL1;Database=DB1;Uid=1;Pwd=1" I have this in 4 sheets, but there will be times when I will want to change it to call from SQL2 or SQL3, and instead of changing the code on each sheet 4 times, I want to change it only once. Is there a way to set up that line to run by calling it from somewhere else or by passing in a string into the ""?

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  • Are tr1 headers available for gcc v3.4.6?

    - by WilliamKF
    Are tr1 headers available for g++ v3.4.6? If so, how can I locate them at compile time. The following is failing to compile: #include <tr1/memory> With the following error: myModule.h:20:24: tr1/memory: No such file or directory Do I need to move to a later compiler or do I have the headers somewhere?

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  • Plot overlaps in matlab

    - by ZaZu
    Hey there, I got a strange problem that the plot overlaps in the graph, but not in the image. I am sure I didnt leave hold on somewhere or else it will overlap in the image itself as well. Here is a sample : Any ideas ? Thanks

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  • How to add a cross-browser mouse wheel function to a div in javascript?

    - by Shaunwithanau
    I am trying to stop the default mouse wheel event that is called on the window and on a div and call my own function instead on the div. I need this to be cross-browser (without the use of a library. I know I need to use an eventListener and I think have to use both onmousewheel and DOMMouseScroll (for FF) but I think am getting caught up in the implementation somewhere. I appreciate any and all help.

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  • Getting jQuery to recognise .change() in IE

    - by Philip Morton
    I'm using jQuery to hide and show elements when a radio button group is altered/clicked. It works fine in browsers like Firefox, but in IE 6 and 7, the action only occurs when the user then clicks somewhere else on the page. To elaborate, when you load the page, everything looks fine. In Firefox, if you click a radio button, one table row is hidden and the other one is shown immediately. However, in IE 6 and 7, you click the radio button and nothing will happen until you click somewhere on the page. Only then does IE redraw the page, hiding and showing the relevant elements. Here's the jQuery I'm using: $(document).ready(function(){ $(".hiddenOnLoad").hide(); $("#viewByOrg").change(function () { $(".visibleOnLoad").show(); $(".hiddenOnLoad").hide(); }); $("#viewByProduct").change(function () { $(".visibleOnLoad").hide(); $(".hiddenOnLoad").show(); }); }); Here's the part of the XHTML that it affects. Apologies if it's not very clean, but the whole page does validate as XHTML 1.0 Strict: <tr> <td>View by:</td> <td> <p> <input type="radio" name="viewBy" id="viewByOrg" value="organisation" checked="checked"/> Organisation </p> <p> <input type="radio" name="viewBy" id="viewByProduct" value="product"/> Product </p> </td> </tr> <tr class="visibleOnLoad"> <td>Organisation:</td> <td> <select name="organisation" id="organisation" multiple="multiple" size="10"> <option value="1">Option 1</option> <option value="2">Option 2</option> </select> </td> </tr> <tr class="hiddenOnLoad"> <td>Product:</td> <td> <select name="product" id="product" multiple="multiple" size="10"> <option value="1">Option 1</option> <option value="2">Option 2</option> </select> </td> </tr> If anyone has any ideas why this is happening and how to fix it, they would be very much appreciated!

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  • is php language C?

    - by avon_verma
    Ok: I edited my question: I heared somewhere, that php language is written by C. So i have question: what happens for example when you run a function in php such as date("Ymd"); or file_get_contents("file.txt");? Does it translate that code to C and request to server, or does php do it? sorry i haven't a clue And if it does translate it and request, that means besically it is C? sorry for english Thank you, Anon Verma

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  • IDE and external keyboard on iPhone?

    - by Werner
    Hi, I tried this question in another forums, like OS X hints, so I try it here now. I just wonder if there is somewhere available an external keyboard for the iphone, so I can program on the road. And second question, if you know good IDE's on the iphone for programming and compiling on C++ Thanks

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  • Given an array of arguments, how do I send those arguments to a particular function in Ruby?

    - by Steven Xu
    Forgive the beginner question, but say I have an array: a = [1,2,3] And a function somewhere; let's say it's an instance function: class Ilike def turtles(*args) puts args.inspect end end How do I invoke Ilike.turtles with a as if I were calling (Ilike.new).turtles(1,2,3). I'm familiar with send, but this doesn't seem to translate an array into an argument list. A parallel of what I'm looking for is the Javascript apply, which is equivalent to call but converts the array into an argument list.

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  • Ordered hash in JavaScript

    - by hekevintran
    JavaScript objects have no order stored for properties (according to the spec). Firefox seems preserve the order of definition of properties when using a for...in loop. Is this behaviour something that I can rely on? If not is there a piece of JavaScript code somewhere that implements an ordered hash type?

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  • Adding procedural C openGL functions to an iPhone project

    - by user309595
    I want to add a few drawing functions to an iPhone project for drawing things. Something like drawTile(x,y,len,wid); which would call openGL to draw a box somewhere. I should just be able to write a procedural C file to do this but the openGL libraries are objective C and I'm getting weird errors. Do I have to make a class for all of my drawing commands and call class methods?

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  • A version of the Windows "FILE:" port which does not prompt for the file name but autogenerates one.

    - by Thorbjørn Ravn Andersen
    Hi. I have a process where one of the things to do is to capture the output from a print into a file for further processing. For this I have configured a "FILE:" printer port which works very nicely but asks everytime for the file name to use. Unfortunately "FILE" is not a very descriptive word when trying to use a search engine :( Is there a small driver somewhere which does exactly the same as the FILE: driver, but can automatically generate a filename (perhaps based on a pattern) and just print to that?

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  • Do I need to perform a commit after a rebase?

    - by Benjol
    I've just rebased a feature branch onto another feature branch (in preparation for rebasing everything to the head of my master), and it involved quite a few tricky merge resolutions. Is the rebase automatically saved as a commit somewhere? Just where do those modifications live? I can't see anything in gitk, or git log --oneline. (Same question for when I merge back my branch after rebasing.)

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  • Get derived class type from a base's class static method

    - by Marco Bettiolo
    Hi, i would like to get the type of the derived class from a static method of its base class. How can this be accomplished? Thanks! class BaseClass { static void Ping () { Type t = this.GetType(); // should be DerivedClass, but it is not possible with a static method } } class DerivedClass : BaseClass {} // somewhere in the code DerivedClass.Ping();

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