How do I place a widget for Stack Overflow on my WordPress site?

I want a Stack Overflow widget on my WordPress site.

How can I do that?


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How to remove the margin between two UICollectionView columns

ios objective-c ipad cocoa-touch uicollectionview

I have UICollectionView in which I would like to have no spacing between the cells. However despite my all effort I can't seem to remove the the space,

Deep Copy of OpenCV cv::Mat

c++ opencv deep-copy

The behaviour of copying cv::Mat is confusing me.