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Multiple RunWith Statements in jUnit
I write unit test and want to use JUnitParamsRunner and MockitoJUnitRunner for one test class.
8 Answers
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Calculate the median of a billion numbers
If you have one billion numbers and one hundred computers, what is the best way to locate the median of these numbers?
25 A...
Suppressing “is never used” and “is never assigned to” warnings in C#
...g restore 0169
To suppress warnings for "Field XYZ is never assigned to, and will always have its default value XX", you do this:
#pragma warning disable 0649
... field declaration
#pragma warning restore 0649
To find such warning numbers yourself (ie. how did I know to use 0169 and 0649), you ...
Qt 5.1.1: Application failed to start because platform plugin “windows” is missing
...er people by directly providing the solution. This should not be forgotten and so far my answer helped a lot of people. Therefore my question is definitely not a duplicate. By the way: The accepted answer within the provided link on top does not solve the problem !
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What is an undefined reference/unresolved external symbol error and how do I fix it?
...efined reference/unresolved external symbol errors? What are common causes and how to fix/prevent them?
34 Answers
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What is this operator in MySQL?
I'm working on code written by a previous developer and in a query it says,
9 Answers
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Database Design for Tagging
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About ANDing: It sounds like you are looking for the "relational division" operation. This article covers relational division in concise and yet comprehendible way.
About performance: A bitmap-based approach intuitively sounds lik...
How do I debug an MPI program?
I have an MPI program which compiles and runs, but I would like to step through it to make sure nothing bizarre is happening. Ideally, I would like a simple way to attach GDB to any particular process, but I'm not really sure whether that's possible or how to do it. An alternative would be having ea...
How to know if two arrays have the same values
...have these two arrays: one is filled with information from an ajax request and another stores the buttons the user clicks on. I use this code (I filled with sample numbers):
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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
...ould almost never be used. (Making int 64-bit would waste cache footprint and memory bandwidth; x86-64 most efficiently supports 32 and 64-bit operand sizes)
The behaviour for 8 and 16-bit operand sizes is the strange one. The dependency madness is one of the reasons that 16-bit instructions are a...