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Mockito - difference between doReturn() and when()

I am currently in the process of using Mockito to mock my service layer objects in a Spring MVC application in which I want to test my Controller methods. However, as I have been reading on the specifics of Mockito, I have found that the methods doReturn(...).when(...) is equivalent to when(...)....
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How to copy files between two nodes using ansible

I need to copy file form machine A to machine B whereas my control machine from where i run all my ansible tasks is machine C(local machine) ...
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XAMPP - MySQL shutdown unexpectedly

When I open XAMPP and click start MySQL button and it gives me an error. I had started it just before, but now it isn't working. ...
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Running karma after installation results in 'karma' is not recognized as an internal or external com

I'm trying to run karma as part as an angular-seed project, after installing karma using 8 Answers ...
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Graph Algorithm To Find All Connections Between Two Arbitrary Vertices

I am trying to determine the best time efficient algorithm to accomplish the task described below. 16 Answers ...
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What MySQL data type should be used for Latitude/Longitude with 8 decimal places?

I'm working with map data, and the Latitude/Longitude extends to 8 decimal places. For example: 8 Answers ...
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PHP convert date format dd/mm/yyyy => yyyy-mm-dd [duplicate]

I am trying to convert a date from dd/mm/yyyy => yyyy-mm-dd . I have using the mktime() function and other functions but I cannot seem to make it work. I have managed to explode the original date using '/' as the delimiter but I have no success changing the format and swapping the '/' with...
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Android Studio quick documentation always “fetching documentation”

I just move to Android studio from eclipse,I found that it always shows "fetching documentation" when I use quick documentation(Ctrl+Q),How to solve this?(I download documentation for API19,still problem) ...
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How do you crash a JVM?

I was reading a book on programming skills wherein the author asks the interviewee, "How do you crash a JVM?" I thought that you could do so by writing an infinite for-loop that would eventually use up all the memory. ...
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How do I add comments to package.json for npm install?

I've got a simple package.json file and I want to add a comment. Is there a way to do this, or are there any hacks to make this work? ...