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How does having a dynamic variable affect performance?

..., for example, if you have: class C { void M() { dynamic d1 = whatever; dynamic d2 = d1.Foo(); then the compiler will generate code that is morally like this. (The actual code is quite a bit more complex; this is simplified for presentation purposes.) class C { static...
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What exactly do “IB” and “UB” mean?

... 141 IB: Implementation-defined Behaviour. The standard leaves it up to the particular compiler/pla...
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The type must be a reference type in order to use it as parameter 'T' in the generic type or method

... answered Jun 23 '11 at 8:27 Marc Gravell♦Marc Gravell 888k227227 gold badges23562356 silver badges27202720 bronze badges ...
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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]

... 1129 Yes: list1 + list2. This gives a new list that is the concatenation of list1 and list2. ...
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When do I use a dot, arrow, or double colon to refer to members of a class in C++?

... | edited Sep 26 '17 at 17:11 displayName 11.9k66 gold badges4646 silver badges6767 bronze badges ...
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The difference between try/catch/throw and try/catch(e)/throw e

... 151 The constructions try { ... } catch () { ... } /* You can even omit the () here */ try { ......
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How to create ASP.NET Web API Url?

... 139 The ApiController has a property called Url which is of type System.Web.Http.Routing.UrlHelper...
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How to do a scatter plot with empty circles in Python?

... | edited May 23 '17 at 12:10 Community♦ 111 silver badge answered Nov 10 '10 at 16:07 ...
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phpunit mock method multiple calls with different arguments

... 134 The PHPUnit Mocking library (by default) determines whether an expectation matches based solel...
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Why can I access private variables in the copy constructor?

... answered Jul 18 '13 at 10:40 Tony DelroyTony Delroy 91k1010 gold badges149149 silver badges219219 bronze badges ...