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How to check if any flags of a flag combination are set?

...ers.AB) != 0) { // Some flag (A,B or both) is enabled } else { // None of them are enabled } share | improve this answer | follow | ...
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How do you add an array to another array in Ruby and not end up with a multi-dimensional result?

... well done for being the only one (of 5 I can see) who actually pointed out what was wrong with the code presented. +1 – Mike Woodhouse Nov 26 '09 at 11:12 ...
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Meaning of 'const' last in a function declaration of a class?

...unctions signature which means that you can implement two similar methods, one which is called when the object is const, and one that isn't. #include <iostream> class MyClass { private: int counter; public: void Foo() { std::cout << "Foo" << std::endl; ...
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How do you remove an invalid remote branch reference from Git?

... reason didn't want to work on their repository. I suspected the OP had done something that left their tree in an inconsistent state that caused it to behave a bit strangely, and git gc was required to fix up the left behind cruft. Usually git branch -rd origin/badbranch is sufficient for nuking...
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Checkout old commit and make it a new commit [duplicate]

...e revert if you want, although as far as I know you need to do the reverts one at a time: git revert HEAD # Reverts E git revert HEAD~2 # Reverts D That will create a new commit F that's the same contents as D, and G that's the same contents as C. You can rebase to squash those together if ...
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What is the documents directory (NSDocumentDirectory)?

Can someone explain to me what the documents directory is on an iOS app and when to use it? 9 Answers ...
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Injecting a mock into an AngularJS service

...good solution either, because then you're actually testing two services in one test, instead of unit-testing the two services in isolation. So I would like to re-iterate the question. How do you pass a mock service to another service in a unit test? – Patrick Arnesen ...
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Constructors vs Factory Methods [closed]

...asses to specify the objects it creates classes delegate responsibility to one of several helper subclasses, and you want to localize the knowledge of which helper subclass is the delegate share | ...
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Inner class within Interface

...usefulness of such a thing, I'm simply answering your question: it can be done and this is one kind of use I've seen made of it. Now I won't comment on the usefulness of such a construct and from I've seen: I've seen it, but it's not a very common construct. 200KLOC codebase here where this happen...
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What does new self(); mean in PHP?

... the class that is used (we used MyChildClass::getInstance()), and not the one in which it is written. Of course, the behavior of self has not been changed, to not break existing applications -- PHP 5.3 just added a new behavior, recycling the static keyword. And, speaking about PHP 5.3, you migh...