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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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Zooming MKMapView to fit annotation pins?

I am using MKMapView and have added a number of annotation pins to the map about a 5-10 kilometre area. When I run the application my map starts zoomed out to show the whole world, what is the best way to zoom the map so the pins fit the view? ...
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Convert string to symbol-able in ruby

... @Zack .to_s and .humanize should do the job unless you need to preserve full capitalization. – Tyler Diaz Sep 18 '15 at 10:00 ...
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difference between foldLeft and reduceLeft in Scala

I have learned the basic difference between foldLeft and reduceLeft 7 Answers 7 ...
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What is a regular expression which will match a valid domain name without a subdomain?

...ote, to use this regex, you will need to convert the domain to lower case, and also use an IDN library to ensure you encode domain names to ACE (also known as "ASCII Compatible Encoding"). One good library is GNU-Libidn. idn(1) is the command line interface to the internationalized domain name libr...
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CListCtrl 行高设置,自定义行高 - C/C++ - 清泛网 - 专注C/C++及内核技术

...derCtrl) //{{AFX_MSG_MAP(CMyListCtrl) // NOTE - the ClassWizard will add and remove mapping macros here. ON_WM_MEASUREITEM_REFLECT() ON_WM_MEASUREITEM() ON_WM_DRAWITEM() //}}AFX_MSG_MAP END_MESSAGE_MAP() CMyListCtrl::CMyListCtrl(void) { } CMyListCtrl::~CMyListCtrl(void) {...
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Vim delete blank lines

What command can I run to remove blank lines in Vim? 14 Answers 14 ...
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Throw an error in a MySQL trigger

...example on how to write the trigger in the link?I have two columns (idUser and idGuest) that must be mutually exclusive in the table orders, but i'm fairly new to triggers and i'm finding difficulties in writing it!Thx. – Nicola Peluchetti Mar 12 '11 at 14:44 ...
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iPhone - Get Position of UIView within entire UIWindow

...he coordinate system ist defined by the bounds of the window. The screen's and device coordinate systems are different and should not be mixed up with window coordinates. share | improve this answe...
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How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?

... you instantiate a List[Int], you can verify that your instance is a List, and you can verify that any individual element of it is an Int, but not that it is a List[Int], as can be easily verified: ...