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Why not abstract fields?

... "the compiler will give a warning". Actually, the Child constructor would be trying to use a non-existent noargs constructor and that is a compilation error (not a warning). – Stephen C Feb 6 '10 at 0:15 ...
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Purpose of #!/usr/bin/python3

...ty across different systems in case they have the language interpreter installed in different locations. share | improve this answer | follow | ...
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WaitAll vs WhenAll

What is the difference between Task.WaitAll() and Task.WhenAll() from the Async CTP ? Can you provide some sample code to illustrate the different use cases ? ...
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How does mockito when() invocation work?

...ou mock a class using the mock method of the Mockito class, this is essentially what happens: Mockito.mock delegates to org.mockito.internal.MockitoCore.mock, passing the default mock settings as a parameter. MockitoCore.mock delegates to org.mockito.internal.util.MockUtil.createMock The MockUtil ...
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Modern way to filter STL container?

...and if it returns true it copies the value to bar. The std::back_inserter allows us to actually insert new elements at the end of bar (using push_back()) with an iterator without having to resize it to the required size first. ...
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Log4Net, how to add a custom field to my logging

... @DumbDev, usually you will use the Thread context. The GlobalContext is useful to set properties that do not change very often. – Marcelo De Zen Mar 10 '15 at 19:06 ...
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How to return smart pointers (shared_ptr), by reference or by value?

...ilers. I know for a fact that Visual C++ compilers implement RVO even when all optimizations are turned off. And with C++11's move semantics, this concern is even less relevant. (But the only way to be sure is to profile and experiment.) If you're still not convinced, Dave Abrahams has an article t...
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Conditionally ignoring tests in JUnit 4

... @notnoop, that isn't my observation at all. They are ignored. The IDEA test runner reports them that way, and a look at the JUnit source code shows that it reports the test as ignored. – Yishai Nov 6 '09 at 18:21 ...
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std::auto_ptr to std::unique_ptr

...As for other differences, unique_ptr can handle arrays correctly (it will call delete[], while auto_ptr will attempt to call delete. share | improve this answer | follow ...
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Get array of object's keys

...keys are unordered). This is an ES5 feature. This means it works in all modern browsers but will not work in legacy browsers. The ES5-shim has a implementation of Object.keys you can steal share | ...