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Android studio, gradle and NDK

I am very new to this whole gradle and Android Studio support. I have managed to convert my android project to gradle using the export option. ...
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Android emulator-5554 offline

... order to be assured that your emulator starts working again : Go to cmd and type adb kill-server Go to task manager and find adb in processes. If you find one, right click on it and click on end process tree. In eclipse, go to Window>Android Virtual Device Manager, click on the AVD you want t...
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Difference between “andand && in Ruby?

What is the difference between the && and and operators in Ruby? 7 Answers ...
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What are C++ functors and their uses?

...about functors in C++. Can someone give me an overview as to what they are and in what cases they would be useful? 14 Answe...
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Understanding dict.copy() - shallow or deep?

... 3, 4, 5]}, {1: [1, 2, 3, 4]}) So: b = a: Reference assignment, Make a and b points to the same object. b = a.copy(): Shallow copying, a and b will become two isolated objects, but their contents still share the same reference b = copy.deepcopy(a): Deep copying, a and b's structure and conte...
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Switch statement: must default be the last case?

... The C99 standard is not explicit about this, but taking all facts together, it is perfectly valid. A case and default label are equivalent to a goto label. See 6.8.1 Labeled statements. Especially interesting is 6.8.1.4, which enables...
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How to delete duplicate lines in a file without sorting it in Unix?

...ay then seen[$0] will evaluate to false. The ! is the logical NOT operator and will invert the false to true. Awk will print the lines where the expression evaluates to true. The ++ increments seen so that seen[$0] == 1 after the first time a line is found and then seen[$0] == 2, and so on. Awk eval...
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Hidden features of Python [closed]

...ue In case you're thinking it's doing 1 < x, which comes out as True, and then comparing True < 10, which is also True, then no, that's really not what happens (see the last example.) It's really translating into 1 < x and x < 10, and x < 10 and 10 < x * 10 and x*10 < 100, but...
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Check existence of input argument in a Bash shell script

... I like to do it this way, in terse syntax and still POSIX acceptable. [ -z "$1" ] && echo "No argument supplied" I prefer one-liners, as they are easier for me; and it's also faster to check exit value, compared to using if – J. M. Beck...
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How do I safely pass objects, especially STL objects, to and from a DLL?

How do I pass class objects, especially STL objects, to and from a C++ DLL? 4 Answers ...