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How to set Python's default version to 3.x on OS X?

I'm running Mountain Lion and the basic default Python version is 2.7. I downloaded Python 3.3 and want to set it as default. ...
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Move capture in lambda

...ref( T && x ) { return rref_impl<T>{ std::move(x) }; } And here's a test case for that function that ran successfully on my gcc 4.7.3. int main() { std::unique_ptr<int> p{new int(0)}; auto rref = make_rref( std::move(p) ); auto lambda = [rref]() mutabl...
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Which timestamp type should I choose in a PostgreSQL database?

... First off, PostgreSQL’s time handling and arithmetic is fantastic and Option 3 is fine in the general case. It is, however, an incomplete view of time and timezones and can be supplemented: Store the name of a user’s time zone as a user preference (e....
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Set icon for Android application

How can I set an icon for my Android application? 17 Answers 17 ...
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How to round a number to significant figures in Python

... You should use log10(abs(x)), otherwise negative numbers will fail (And treat x == 0 separately of course) – Tobias Kienzler Jul 30 '13 at 8:06 2 ...
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Maven Install on Mac OS X

...X Lion, you won't have java installed by default. Just run java by itself and it'll prompt you to install it. Assuming qualifications are met, run mvn -version and see some output like this: Apache Maven 3.0.3 (r1075438; 2011-02-28 12:31:09-0500) Maven home: /usr/share/maven Java version: 1.6.0_2...
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Heroku NodeJS http to https ssl forced redirect

I have an application up and running on heroku with express on node with https,. How do I identify the protocol to force a redirect to https with nodejs on heroku? ...
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Reset C int array to zero : the fastest way?

... memset (from <string.h>) is probably the fastest standard way, since it's usually a routine written directly in assembly and optimized by hand. memset(myarray, 0, sizeof(myarray)); // for automatically-allocated arrays memset(myarray, 0, N*sizeof(*myarray)); // for heap-allo...
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Programmatically scroll a UIScrollView

...at I end up with a slideshow that runs on its own with a click of a button and a configurable pause between each scroll? 9 ...
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Which method performs better: .Any() vs .Count() > 0?

...Linq namespace, we can now extend our IEnumerable's to have the Any() and Count() extension methods . 9 Answers ...