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How to select bottom most rows?

... This and other answers work fine when you're working on smaller tables. I don't think it's worth ordering the entire table by a column when you are just interested in the bottom few rows. – steadyfish Oct 13 '14 at 16:09 ...
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“From View Controller” disappears using UIViewControllerContextTransitioning

... goes black. The key UIWindow is completely empty – no view hierarchy at all! I played around a bit and it looks like there is an easy workaround, for simple cases. You can just re-add the toViewController's view as a subview of the key window's: transitionContext.completeTransition(true) UIAp...
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What is “2's Complement”?

...lement. To understand, you have to think of the numbers in binary. It basically says, for zero, use all 0's. for positive integers, start counting up, with a maximum of 2(number of bits - 1)-1. for negative integers, do exactly the same thing, but switch the role of 0's and 1's (so instead of start...
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JavaScript equivalent to printf/String.Format

...low for details. Otherwise: Try sprintf() for JavaScript. If you really want to do a simple format method on your own, don’t do the replacements successively but do them simultaneously. Because most of the other proposals that are mentioned fail when a replace string of previous replaceme...
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Is it possible to print a variable's type in standard C++?

...l stuck in ancient C++11. And if you're painting on the cave wall with C++98/03, the noexcept is sacrificed as well. C++17 Update In the comments below Lyberta points out that the new std::string_view can replace static_string: template <class T> constexpr std::string_view type_name() { ...
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How to get default gateway in Mac OSX

...sult thus looks like this: 192.168.195.1 In this case, netstat displays all result, grep only selects the line with 'default' in it, and awk further matches the pattern to display the second column in the text. You can similarly use route -n get default command to get the required result. The fu...
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Compile time string hashing

... string length, and the compiler is not clever enough to elide the second call. Check other answers for possible fix for this problem. – CygnusX1 Feb 27 '16 at 16:34 ...
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List comprehension rebinds names even after scope of comprehension. Is this right?

...list comprehensions blindingly fast, and while it was not a common pitfall for beginners, it definitely stung people occasionally. For generator expressions we could not do this. Generator expressions are implemented using generators, whose execution requires a separate execution fra...
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Why does the C preprocessor interpret the word “linux” as the constant “1”?

Why does the C preprocessor in GCC interpret the word linux (small letters) as the constant 1 ? 5 Answers ...
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How do you get the index of the current iteration of a foreach loop?

...or iterating over collections that implement IEnumerable. It does this by calling GetEnumerator on the collection, which will return an Enumerator. This Enumerator has a method and a property: MoveNext() Current Current returns the object that Enumerator is currently on, MoveNext updates Current t...