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Why is MATLAB so fast in matrix multiplication?

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Is there a way to instantiate objects from a string holding their class name?

...igning to it. Have a look at its documentation here. Finally, the use of a raw function pointer is also a bit oldish. Modern C++ code should be decoupled from specific functions / types. You may want to look into Boost.Function to look for a better way. It would look like this then (the map): typed...
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Is there a numpy builtin to reject outliers from a list

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Combining CSS Pseudo-elements, “:after” the “:last-child”

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How do I move an existing Git submodule within a Git repository?

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What is the correct SQL type to store a .Net Timespan with values > 24:00:00?

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iOS5 Storyboard error: Storyboards are unavailable on iOS 4.3 and prior

... small app using storyboards and it ran great. Just before final testing I decided to try it out to see if it runs on iOS 4.3. I clicked on the gray 5.0 in the project settings and selected 4.3. ...
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How to do a JUnit assert on a message in a logger

I have some code-under-test that calls on a Java logger to report its status. In the JUnit test code, I would like to verify that the correct log entry was made in this logger. Something along the following lines: ...
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An ASP.NET setting has been detected that does not apply in Integrated managed pipeline mode

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How to choose an AES encryption mode (CBC ECB CTR OCB CFB)?

... CCM: A nonce-based AEAD scheme that combines CTR mode encryption and the raw CBC-MAC. Inherently serial, limiting speed in some contexts. Provably secure, with good bounds, assuming the underlying blockcipher is a good PRP. Ungainly construction that demonstrably does the job. Simpler to implement...