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Blocks on Swift (animateWithDuration:animations:completion:)

... dat completion block syntax :( – Chris Allinson Sep 25 '16 at 0:19 add a comment  |  ...
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CPU Privilege Rings: Why rings 1 and 2 aren't used?

...(depending on the hyper-visor) not 1 as I previously stated. However, the extra two rings never really helped and thus became rarely used. TBH, most code using rings 1 and 2 these have semi-repurposed them from their original use (such as the hypervisors). Most windows code these days seems to trea...
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SQLAlchemy default DateTime

... This isn't right. The timestamp at model load will be used for all new records rather than the time the record is added. – SkyLeach Feb 9 '16 at 16:18 10 ...
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How can I access “static” class variables within class methods in Python?

... As with all good examples, you've simplified what you're actually trying to do. This is good, but it is worth noting that python has a lot of flexibility when it comes to class versus instance variables. The same can be said of meth...
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Unit testing private methods in C#

Visual Studio allows unit testing of private methods via an automatically generated accessor class. I have written a test of a private method that compiles successfully, but it fails at runtime. A fairly minimal version of the code and the test is: ...
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Nested rows with bootstrap grid system?

... space (constrained by the column) so two will take up the first row. Any extra ones will just wrap down into a new line. You can also pair each of them in rows, but you don't need to. Bootstrap wraps by default so you don't have to clutter your markup with new rows. If it's semantically meaning...
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How to initialize a vector in C++ [duplicate]

...p;arr[0]+N; } And then you can do this without having to repeat the size all over: int vv[] = { 12,43 }; std::vector<int> v(begin(vv), end(vv)); share | improve this answer | ...
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Error :Request header field Content-Type is not allowed by Access-Control-Allow-Headers

...rigin to *, but it appears that recent versions of Chrome are requiring an extra header. Try prepending the following to your file if you are using PHP: header("Access-Control-Allow-Origin: *"); header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept"); Make sure tha...
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Algorithm to compare two images

...can be used as a search object. There are probably several ways you could extract properties/data from this region of interest and use them to search your data set. If you have more than 2 regions of interest, you can measure the distances between them. Take this simplified example: (source: pe...
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Singleton by Jon Skeet clarification

... Extra points for attempting an answer about a Jon Skeet question in which Jon Skeet has already answered. – valdetero May 11 '15 at 19:05 ...