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Difference between setUp() and setUpBeforeClass()

.... So let's assume you had three tests in your class, the order of method calls would be: setUpBeforeClass() (Test class first instance constructed and the following methods called on it) setUp() test1() tearDown() (Test class second instance constructed and the following methods ...
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How do I convert a Java 8 IntStream to a List?

... @skiwi I mean, that all the other answers are unneeded after this one as they would be not so natural. – Dmitry Ginzburg May 15 '14 at 9:56 ...
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Any way to modify Jasmine spies based on arguments?

I have a function I'd like to test which calls an external API method twice, using different parameters. I'd like to mock this external API out with a Jasmine spy, and return different things based on the parameters. Is there any way to do this in Jasmine? The best I can come up with is a hack using...
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Java 256-bit AES Password-Based Encryption

I need to implement 256 bit AES encryption, but all the examples I have found online use a "KeyGenerator" to generate a 256 bit key, but I would like to use my own passkey. How can I create my own key? I have tried padding it out to 256 bits, but then I get an error saying that the key is too long. ...
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Create numpy matrix filled with NaNs

...r operations in numpy. You can create an uninitialized array and assign to all entries at once: >>> a = numpy.empty((3,3,)) >>> a[:] = numpy.nan >>> a array([[ NaN, NaN, NaN], [ NaN, NaN, NaN], [ NaN, NaN, NaN]]) I have timed the alternatives a[:] ...
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How can I put a ListView into a ScrollView without it collapsing?

...ll work in a future release. Using a LinearLayout would not be much work really. – Romain Guy Aug 16 '10 at 19:52 7 ...
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What is a clearfix?

...of laying out elements.) A clearfix is a way for an element to automatically clear its child elements, so that you don't need to add additional markup. It's generally used in float layouts where elements are floated to be stacked horizontally. The clearfix is a way to combat the zero-height cont...
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Difference between validate(), revalidate() and invalidate() in Swing GUI

...ater. validate() performs relayout. It means invalid content is asked for all the sizes and all the subcomponents' sizes are set to proper values by LayoutManager. revalidate() is just sum of both. It marks the container as invalid and performs layout of the container. UPDATE: Some code from Com...
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How to sort Counter by value? - python

...o in the most efficient manner possible; if you ask for a Top N instead of all values, a heapq is used instead of a straight sort: >>> x.most_common(1) [('c', 7)] Outside of counters, sorting can always be adjusted based on a key function; .sort() and sorted() both take callable that let...
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How to attach javadoc or sources to jars in libs folder?

New version of ADT r17 plugin for Eclipse added feature to automatically setup JAR dependencies. Any .jar files in the /libs folder are added to the build configuration now. Unfortunately Android Dependencies classpath container is non modifiable. ...