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How to vertically align into the center of the content of a div with defined width/height?

What would be the correct method to vertically center any content in a defined width/height div . 4 Answers ...
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How do I set up a basic Ruby project?

I want to create a small Ruby project with 10 ~ 20 classes/files. I need some gems and I want to use RSpec as test framework. ...
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Why does i = i + i give me 0?

... 230 + 230 = -231 -231 + -231 = 0 ...in int arithmetic, since it's essentially arithmetic mod 2^32. share | improve this answer | follow | ...
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How do I check for C++11 support?

...t have (partial) compiler-level support versus a standard C++ library with all the C++11 changes. So Boost's defines mentioned in another answer remain the only sane way to figure out if there is, for example, support for C++11 threads and other specific parts of the standard. ...
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What are the rules about using an underscore in a C++ identifier?

...FC background, you'll probably use m_foo . I've also seen myFoo occasionally. 5 Answers ...
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Update Item to Revision vs Revert to Revision

...n that your workingcopy is out of date. revert to this revision will undo all changes in your working copy which were made after the selected revision (in your example rev. 96,97,98,99,100) Your working copy is now in modified state. The file content of both scenarions is same, however in first c...
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'Best' practice for restful POST response

... to get the ID easily and to get the timestamps when relevant. This is actually the default behavior got when scaffolding with Rails. I really do not see any advantage to returning only the ID and doing a GET request after, to get the data you could have got with your initial POST. Anyway as long ...
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Are static fields inherited?

... 3 in all cases, since the static int total inherited by SomeDerivedClass is exactly the one in SomeClass, not a distinct variable. Edit: actually 4 in all cases, as @ejames spotted and pointed out in his answer, which see. Edit:...
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Does using “new” on a struct allocate it on the heap or stack?

...hen you create an instance of a class with the new operator, memory gets allocated on the heap. When you create an instance of a struct with the new operator where does the memory get allocated, on the heap or on the stack ? ...
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Why did Rails4 drop support for “assets” group in the Gemfile

... Wasn't it also saving memory? Now all gems, even those not needed in "production" (only in precompile), are loaded and thus rails consumes more memory? – gucki Sep 12 '13 at 9:35 ...