大约有 31,840 项符合查询结果(耗时:0.0512秒) [XML]

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Overloading member access operators ->, .*

... -> This is the only really tricky one. It must be a nonstatic member function, and it takes no arguments. The return value is used to perform the member lookup. If the return value is another object of class type, not a pointer, then the subsequent member lo...
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Import PEM into Java Key Store

... Does not work if the .pem file contains more than one certificate. – MarioVilas Feb 24 '14 at 15:31 14 ...
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Why use Ruby instead of Smalltalk? [closed]

...tions. The language paradigm is also something of a culture shock for someone not familiar with it, and the piecemeal view of the program presented by the browser is quite different to what most people were used to.The overall effect is that Smalltalk got a (somewhat deserved) reputation for being ...
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Performance differences between debug and release builds

... NOP opcodes that allow you to set a breakpoint on a curly brace. The big one is the optimizer that's built into the JIT compiler. I know it makes the following optimizations: Method inlining. A method call is replaced by the injecting the code of the method. This is a big one, it makes proper...
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Foreign Key to non-primary key

I have a table which holds data, and one of those rows needs to exist in another table. So, I want a foreign key to maintain referential integrity. ...
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git: How to ignore all present untracked files?

... each line. If you removed 4 characters from a git status line such as the one for this file here: ?? app/views/static_pages/contact.html.erb, you would remove the first letter of app. So the command is correct, but the explanation is faulty. – 7stud Sep 10 '1...
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How to make EditText not editable through XML in Android?

Can anyone tell me how to make an EditText not editable via XML? I tried setting android:editable to false , but 27 An...
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What is the difference between Scala's case class and class?

... Google to find the differences between a case class and a class . Everyone mentions that when you want to do pattern matching on the class, use case class. Otherwise use classes and also mentioning some extra perks like equals and hash code overriding. But are these the only reasons why one shou...
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Is Task.Result the same as .GetAwaiter.GetResult()?

... Pretty much. One small difference though: if the Task fails, GetResult() will just throw the exception caused directly, while Task.Result will throw an AggregateException. However, what's the point of using either of those when it's async...
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TypeLoadException says 'no implementation', but it is implemented

...ce. Short answer This can happen if you add a method to an interface in one assembly, and then to an implementing class in another assembly, but you rebuild the implementing assembly without referencing the new version of the interface assembly. In this case, DummyItem implements an interface fr...