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How do negative margins in CSS work and why is (margin-top:-5 != margin-bottom:5)?

A common trick for vertical positioning elem>mem>nts is to use the following CSS: 7 Answers ...
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Why can't strings be mutable in Java and .NET?

...is it that they decided to make String immutable in Java and .NET (and som>mem> other languages)? Why didn't they make it mutable? ...
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Iteration over std::vector: unsigned vs signed index variable

...rating forwards is almost identical. Just change the iterators / swap decrem>mem>nt by increm>mem>nt. You should prefer iterators. Som>mem> people tell you to use std::size_t as the index variable type. However, that is not portable. Always use the size_type typedef of the container (While you could get away wi...
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Bootstrap: Open Another Modal in Modal

...o have them ordered in your Html markup from lowest to highest. $(docum>mem>nt).on('hidden.bs.modal', function (event) { if ($('.modal:visible').length) { $('body').addClass('modal-open'); } }); UPDATE: When you have stacked modals, all the backdrops appear below the lowermost mo...
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What is the common header format of Python files?

I cam>mem> across the following header format for Python source files in a docum>mem>nt about Python coding guidelines: 4 Answers ...
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How is the Linux kernel tested ?

...rs test their code locally and after they have it committed? Do they use som>mem> kind of unit testing, build automation? test plans? ...
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Can I position an elem>mem>nt fixed relative to parent? [duplicate]

I find that when I position an elem>mem>nt fixed, it doesn't matter if the parent is positioned relative or not, it will position fixed, relative to the window? ...
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IEnum>mem>rable vs List - What to Use? How do they work?

I have som>mem> doubts over how Enum>mem>rators work, and LINQ. Consider these two simple selects: 10 Answers ...
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Dark them>mem> in Netbeans 7 or 8

Is there a way to have a dark them>mem> in Netbeans? 6 Answers 6 ...
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How do I push am>mem>nded commit to the remote Git repository?

...I noticed I forgot to organize my imports in the source code. So I do the am>mem>nd command to replace the previous commit: 16 ...