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When is layoutSubviews called?

...ith the answer (or any I could find on the net), so I tried it in practice and here is what I got: init does not cause layoutSubviews to be called (duh) addSubview: causes layoutSubviews to be called on the view being added, the view it’s being added to (target view), and all the subviews of th...
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Can PostgreSQL index array columns?

... Yes you can index an array, but you have to use the array operators and the GIN-index type. Example: CREATE TABLE "Test"("Column1" int[]); INSERT INTO "Test" VALUES ('{10, 15, 20}'); INSERT INTO "Test" VALUES ('{10, 20, 30}'); CREATE INDEX idx_test on "Test" USING GIN ("Col...
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PermGen elimination in JDK 8

I have installed JDK 8 and trying to run Eclipse. I am getting following warning message: 6 Answers ...
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Libraries not found when using CocoaPods with iOS logic tests

...e functionality from some of the libraries in my podspec. I am using the standard unit test bundle provided in Xcode (although not Application Tests, just Unit Tests). ...
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adb command not found

I need to run an adb forward command before I could use the ezkeyboard application which allows user to type on the phone using browser. ...
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Why can't variables be declared in a switch statement?

... switch statement? In C++ you can declare variables pretty much anywhere (and declaring them close to first use is obviously a good thing) but the following still won't work: ...
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Various ways to remove local Git changes

I just cloned a git repository and checked out a branch. I worked on it, and then decided to remove all my local changes, as I wanted the original copy. ...
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preferredStatusBarStyle isn't called

... Possible root cause I had the same problem, and figured out it was happening because I wasn't setting the root view controller in my application window. The UIViewController in which I had implemented the preferredStatusBarStyle was used in a UITabBarController, whic...
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Why should we NOT use sys.setdefaultencoding(“utf-8”) in a py script?

.... Also, the use of sys.setdefaultencoding() has always been discouraged, and it has become a no-op in py3k. The encoding of py3k is hard-wired to "utf-8" and changing it raises an error. I suggest some pointers for reading: http://blog.ianbicking.org/illusive-setdefaultencoding.html http://nedb...
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Is it possible to print a variable's type in standard C++?

... update to a very old question: Print variable type in C++. The accepted (and good) answer is to use typeid(a).name(), where a is a variable name. Now in C++11 we have decltype(x), which can turn an expression into a type. And decltype() comes with its own set of very interesting rules. For exam...