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Dismiss keyboard by touching background of UITableView

...m trying to do this by creating a UIButton the size of the UITableView and placing it behind the UITableView . The only problem is the UIButton is catching all the touches even when the touch is on the UITableView. What am I doing wrong? ...
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event.preventDefault() vs. return false

When I want to prevent other event handlers from executing after a certain event is fired, I can use one of two techniques. I'll use jQuery in the examples, but this applies to plain-JS as well: ...
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Compelling examples of custom C++ allocators?

... std::vector<T,tbb::scalable_allocator<T> > (this is a quick and convenient way of switching the allocator to use TBB's nifty thread-private heaps; see page 7 in this document) share | ...
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How can I increment a char?

I'm new to Python, coming from Java and C. How can I increment a char? In Java or C, chars and ints are practically interchangeable, and in certain loops, it's very useful to me to be able to do increment chars, and index arrays by chars. ...
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Access parent URL from iframe

Okay, I have a page on and on this page I have an iframe. What I need to do is on the iframe page, find out what the URL of the main page is. ...
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Concatenating two lists - difference between '+=' and extend()

... Maybe the difference has more implications when it comes to ducktyping and if your maybe-not-really-a-list-but-like-a-list supports .__iadd__()/.__add__()/.__radd__() versus .extend() – Nick T Dec 15 '14 at 22:21 ...
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How to split text without spaces into list of words?

... exactly is meant by "longest word": is it better to have a 20-letter word and ten 3-letter words, or is it better to have five 10-letter words? Once you settle on a precise definition, you just have to change the line defining wordcost to reflect the intended meaning.) The idea The best way to pr...
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What's the equivalent for eclipse's ALT+UP/DOWN (move line) in Visual Studio?

In Eclipse, selecting a line and pressing Alt + ↑ / ↓ will move the line up and down, a quick way to avoid copy&paste. Is there an equivalent in Visual Studio? ...
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Twitter Bootstrap Form File Element Upload Button

... Here's a solution for Bootstrap 3 and 4. To make a functional file input control that looks like a button, you only need HTML: HTML <label class="btn btn-default"> Browse <input type="file" hidden> </label> This works in all modern ...
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How to change line-ending settings

...lf" If you want to know what file this is saved in, you can run the command: git config --global --edit and the git global config file should open in a text editor, and you can see where that file was loaded from. shar...