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JUnit confusion: use 'extends TestCase' or '@Test'?
...her easy:
extending TestCase is the way unit tests were written in JUnit 3 (of course it's still supported in JUnit 4)
using the @Test annotation is the way introduced by JUnit 4
Generally you should choose the annotation path, unless compatibility with JUnit 3 (and/or a Java version earlier tha...
How to inject dependencies into a self-instantiated object in Spring?
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skaffmanskaffman
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Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
...n or darken a hex color by a specific amount. Just pass in a string like "3F6D2A" for the color ( col ) and a base10 integer ( amt ) for the amount to lighten or darken. To darken, pass in a negative number (i.e. -20 ).
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How to find a hash key containing a matching value
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answered Sep 25 '10 at 13:43
Daniel VandersluisDaniel Vandersluis
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Prevent ViewPager from destroying off-screen views
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Add single element to array in numpy
... khaverim
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answered Sep 7 '11 at 11:21
steabertsteabert
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Verify version of rabbitmq
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answered Sep 29 '11 at 13:28
MarekMarek
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How do I open an old MVC project in Visual Studio 2012 or Visual Studio 2013?
I have an old ASP.NET MVC 2 project which I do not want to upgrade to MVC 3 or MVC 4. I am working on a new machine running Windows 8, Visual Studio 2012 and Visual Studio 2013. When I try to open the MVC 2 project in VS 2012 or VS 2013 I receive the error:
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Easy pretty printing of floats in python?
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answered May 3 '18 at 11:37
PlasmaBinturongPlasmaBinturong
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PostgreSQL return result set as JSON array?
...e result looks like this:
[{"a":1,"b":"value1"},{"a":2,"b":"value2"},{"a":3,"b":"value3"}]
9.3 and up
The json_agg function produces this result out of the box. It automatically figures out how to convert its input into JSON and aggregates it into an array.
SELECT json_agg(t) FROM t
There is ...