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Best way to center a on a page vertically and horizontally? [duplicate]

... Excellent! I did not even know bottom: and right: existed in css... – Louis van Tonder Jun 14 '17 at 10:29  ...
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Working with select using AngularJS's ng-options

... I'm learning AngularJS and was struggling with selection as well. I know this question is already answered, but I wanted to share some more code nevertheless. In my test I have two listboxes: car makes and car models. The models list is disabled until some make is selected. If selection in ma...
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Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?

.../y - 1/x^2) but they will be equally complicated. Let's look at 1/sqrt(y) now. You can try f(x) = x^2 - 1/y, but it will be equally complicated: dx = 2xy / (y*x^2 - 1) for instance. One non-obvious alternate choice for f(x) is: f(x) = y - 1/x^2 Then: dx = -f/f' = (y - 1/x^2) / (2/x^3) = 1/2 * x * ...
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Using Transactions or SaveChanges(false) and AcceptAllChanges()?

... This is no longer possible in EF 6.1. Do you know what kind of adjustments need to be made to work now? – Alex Dresko Jul 24 '14 at 22:44 add a co...
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How to get existing fragments when using FragmentPagerAdapter

...o FragmentStatePagerAdapter. If you're reading this you probably already know that FragmentPagerAdapter/FragmentStatePagerAdapter is meant to create Fragments for your ViewPager, but upon Activity recreation (whether from a device rotation or the system killing your App to regain memory) these Frag...
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What are the best practices for using a GUID as a primary key, specifically regarding performance?

...ve page and index fragmentation and to generally bad performance. Yes, I know - there's newsequentialid() in SQL Server 2005 and up - but even that is not truly and fully sequential and thus also suffers from the same problems as the GUID - just a bit less prominently so. Then there's another issu...
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How can javascript upload a blob?

... Do you know how to do this without AJAX too? – William Entriken Aug 7 '13 at 2:05 ...
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Is there a Java equivalent to C#'s 'yield' keyword?

I know there is no direct equivalent in Java itself, but perhaps a third party? 6 Answers ...
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XSD - how to allow elements in any order any number of times?

...eveals all the logic and the reasoning behind the achievement of the goal. Now I do not only know how to solve this problem, but I learned a new approach of solving similar problems. Explaining this using a finite state automation is very good idea. – egelev Fe...
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See what process is using a file in Mac OS X

...a file and see which process is touching that file. Is that possible? I know that I can see the list of open processes in activity monitor but I think it's happening to quickly for me to see it. The reason for this is I'm using a framework and I think the system version of the framework is being ...