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What's a good way to overwrite DateTime.Now during testing?

...ateTime(2008, 09, 3, 9, 6, 13); } } } There may be some overhead in providing the clock to the class that relies on it, but that could be handled by any number of dependency injection solutions (using an Inversion of Control container, plain old constructor/setter injection, or even a Static Gatew...
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How do I create directory if it doesn't exist to create a file?

I have a piece of code here that breaks if the directory doesn't exist: 6 Answers 6 ...
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Why are ToLookup and GroupBy different?

...are the same thing but the performance implications of each are completely different. Calling ToLookup means I want a cache of the entire thing right now organized by group. Calling GroupBy means "I am building an object to represent the question 'what would these things look like if I organized th...
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Are inline virtual functions really a non-sense?

... follow | edited Apr 2 '16 at 16:48 Wumpf 1377 bronze badges answered Apr 9 '09 at 11:23 ...
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LINQ to Entities does not recognize the method

... follow | edited Aug 31 '11 at 15:53 answered Aug 31 '11 at 15:43 ...
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Interface naming in Java [closed]

...s short and pleasant as possible. Implementing classes should be uglier to discourage their use. When changing from an abstract class to an interface a coding convention with prefix I implies renaming all the occurrences of the class --- not good! ...
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Is there a library function for Root mean square error (RMSE) in python?

..._error from math import sqrt rms = sqrt(mean_squared_error(y_actual, y_predicted)) share | improve this answer | follow | ...
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In Eclipse, can I have multiple Console views at once, each showing a different Console?

...ave 2 console views. One of your other buttons near your console tab is "Display Selected Console". When you choose this option you can select from any of your running applications. Just select the tab, select which application you want it to watch, and repeat for the other tab. You can then mo...
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Running single test from unittest.TestCase via command line

...st*", so unfortunately it cannot be used to occasionally run test that is "disabled" by rename – Alois Mahdal Apr 15 '13 at 12:29 ...
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Can someone explain Microsoft Unity?

I've been reading the articles on MSDN about Unity (Dependency Injection, Inversion of Control), but I think I need it explained in simple terms (or simple examples). I'm familiar with the MVPC pattern (we use it here), but I just can't really grasp this Unity thing yet, and I think it's the next st...