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Is MATLAB OOP slow or am I doing something wrong?

...ad, higher than mainstream OO languages, and there's not much you can do about it. Part of the reason may be that idiomatic MATLAB uses "vectorized" code to reduce the number of method calls, and per-call overhead is not a high priority. I benchmarked the performance by writing do-nothing "nop" fun...
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How to declare a global variable in JavaScript?

...uery, and I place everything there. The reason I use quotes when I talk about javascript namespaces is that they aren't really namespaces in the normal sense. Instead, I just use a javascript object and place all my functions and variables as properties of this object. Also, for convenience, I usu...
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What are forward declarations in C++?

...iler would produce an object file that would have to contain information about all the possible guesses as to what the function 'add' might be. And the linker would have to contain very clever logic to try and work out which 'add' you actually intended to call, when the 'add' function may live in a ...
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Has reCaptcha been cracked / hacked / OCR'd / defeated / broken? [closed]

...tless and not helpful, irrelevant of implementation.... But really, check out CAPTCHA Killer. You can upload a CAPTCHA image, and it will automatically, if not immediately, provide the OCR'd answer. It also provides for an API (REST, I think, but maybe also SOAP). I personally tried numerous reCAPT...
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How to generate .NET 4.0 classes from xsd?

...rialize/deserialize well into a strongly typed class. If you don't care about this, though, then it's not a problem. The any feature in xsd2code deserializes as System.Xml.XmlElement which I find really convenient but may be an issue if you want strong typed objects. I often use any when allowing...
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How to get VM arguments from inside of Java application?

...ed to acquire main class name (although I did not mention, as @laz pointed out, that property is only present on Oracle's JVM). – FThompson Sep 24 '12 at 5:14 ...
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What are bitwise operators?

... x * 2y if you need to quickly multiply by a power of two, but watch out for shifting a 1-bit into the top bit - this makes the number negative unless it's unsigned. It's also useful when dealing with different sizes of data. For example, reading an integer from four bytes: int val = (A &lt...
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Getting “A potentially dangerous Request.Path value was detected from the client (&)”

...t you do with it. If the input is taken and escaped and included with the output it will be fine. If it isn't escaped, then you might open yourself up to an attack. – Justin Helgerson Jun 3 '13 at 13:52 ...
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]

...ies non-linearly with its explanatory variables non-linear means that the output cannot be reproduced from a linear combination of the inputs (which is not the same as output that renders to a straight line--the word for this is affine). another way to think of it: without a non-linear activation ...
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What is causing ERROR: there is no unique constraint matching given keys for referenced table?

...for referenced table, and having stared at it for while now I can't figure out why this error arises in this situation. 4 ...