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Is it possible to make a type only movable and not copyable?

... the marker types is preferred if the destructor is doing nothing. Types now move by default, that is, when you define a new type it doesn't implement Copy unless you explicitly implement it for your type: struct Triplet { one: i32, two: i32, three: i32 } impl Copy for Triplet {} // a...
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How to create a checkbox with a clickable label?

... If someone can explain the comment @John left please do, because it makes no sense at all to me. – Wesley Murch Jul 30 '15 at 13:45 ...
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How to mock ConfigurationManager.AppSettings with moq

...IConfiguration. You might be able to implement the facade itself in a few different ways. Above I chose just to wrap the individual properties. You also obtain the side benefit of having strongly typed information to work with rather than weakly typed hash arrays. ...
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windowSoftInputMode=“adjustResize” not working with translucent action/navbar

...call through to FrameLayout's * implementation. * * For reasons yet unknown, modifying the bottom inset causes this workaround to * fail. Modifying the top, left, and right insets works as expected. */ public final class CustomInsetsFrameLayout extends FrameLayout { private int[] mInsets =...
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Generating random strings with T-SQL

If you wanted to generate a pseudorandom alphanumeric string using T-SQL, how would you do it? How would you exclude characters like dollar signs, dashes, and slashes from it? ...
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AttributeError: 'datetime' module has no attribute 'strptime'

...tatements import datetime: that's the module (that's what you have right now). from datetime import datetime: that's the class. share | improve this answer | follow ...
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Create Generic method constraining T to an Enum

...None -> defaultValue This one is easier to maintain since it's a well-known language with full Visual Studio IDE support, but you still need a separate project in your solution for it. However, it naturally produces considerably different IL (the code is very different) and it relies on the FSha...
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Cost of len() function

...Here's a link to a table that provides the algorithmic complexity of many different functions in CPython: TimeComplexity Python Wiki Page share | improve this answer | foll...
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what is the difference between 'transform' and 'fit_transform' in sklearn

...he .transform method is meant for when you have already computed PCA, i.e. if you have already called its .fit method. In [12]: pc2 = RandomizedPCA(n_components=3) In [13]: pc2.transform(X) # can't transform because it does not know how to do it. ----------------------------------------------------...
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Set transparent background using ImageMagick and commandline prompt

... just the top-left corner. (There may be other things I'm forgetting right now). – hackerb9 Jul 4 '17 at 15:20 2