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How to round an average to 2 decimal places in PostgreSQL?

... ------- 3.14 (1 row) (In the above, note that float8 is just a shorthand alias for double precision. You can see that PostgreSQL is expanding it in the output). You must cast the value to be rounded to numeric to use the two-argument form of round. Just append ::numeric for the shorthand cast...
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How to Implement Custom Table View Section Headers and Footers with Storyboard

...g a storyboard we could simply drag a UIView onto the canvas, lay it out and then set it in the tableView:viewForHeaderInSection or tableView:viewForFooterInSection delegate methods. ...
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How do you make div elements display inline?

... to display inline, for example, when you want to add a margin on the left and right of an element. I don't think that can be done with a span. Steve should probably be using float instead of inline though. – Darryl Hein Oct 7 '10 at 6:20 ...
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Math functions in AngularJS bindings

...a use case where I have multiple templates with completely different logic and want to isolate them as much as possible. Perfect – Yablargo Nov 6 '13 at 2:16 49 ...
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jQuery checkbox checked state changed event

... I've used this.checked instead of wrapping the element in a jQuery object and using jQuery methods, simply because it's shorter and faster to access the property of the DOM element directly. Edit (see comments) To get all checkboxes you have a couple of options. You can use the :checkbox pseudo-s...
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How to add a vertical Separator?

... Works perfectly well in both horizontal and vertical Menu between MenuItems as well. Always nicely stretches to match the height/width of the menu. – natiiix Aug 6 at 18:05 ...
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java.lang.NoClassDefFoundError: Could not initialize class XXX

... properties from file } It would appear some uncaught exception occurred and propagated up to the actual ClassLoader attempting to load the class. We would need a stacktrace to confirm this though. Either that or it occurred when creating PropHolder.prop static variable. ...
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How can one print a size_t variable portably using the printf family?

I have a variable of type size_t , and I want to print it using printf() . What format specifier do I use to print it portably? ...
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How do I check what version of Python is running my script?

... to your code: assert sys.version_info >= (2, 5) This compares major and minor version information. Add micro (=0, 1, etc) and even releaselevel (='alpha','final', etc) to the tuple as you like. Note however, that it is almost always better to "duck" check if a certain feature is there, and if...
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Why does MSBuild look in C:\ for Microsoft.Cpp.Default.props instead of c:\Program Files (x86)\MSBui

...I got this problem when publishing a cocos2d-x application using their command line tool, which calls MSBuild. I'm using Win 7 64-bit, VS2013 express, cocos2d-x version 3.3, .NET Framework 4.5 installed. I fixed the problem by setting the following before running the cocos.py publish command: SET ...