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How to randomize (or permute) a dataframe rowwise and columnwise?
... also use the randomizeMatrix function in the R package picante
example:
test <- matrix(c(1,1,0,1,0,1,0,0,1,0,0,1,0,1,0,0),nrow=4,ncol=4)
> test
[,1] [,2] [,3] [,4]
[1,] 1 0 1 0
[2,] 1 1 0 1
[3,] 0 0 0 0
[4,] 1 0 1 0
randomizeMatrix(test,...
How do I resolve ClassNotFoundException?
...me.
I use eclipse IDE.
For Class Not Found Exception when running Junit test, try running mvn clean test once. It will compile all the test classes.
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The smallest difference between 2 Angles
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This passes the test suite gist.github.com/bradphelan/7fe21ad8ebfcb43696b8
– bradgonesurfing
Jul 13 '15 at 8:43
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Ruby: Easiest Way to Filter Hash Keys?
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@Andrew, I think you're right. I was on 1.8.7 when I was testing the answer to this question.
– mikej
Sep 15 '11 at 23:22
2
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What is the difference between MVC and MVVM? [closed]
...he need for separate Controllers.
The problem is: that to be independently testable*, and especially reusable when needed, a view-model has no idea what view is displaying it, but more importantly no idea where its data is coming from.
*Note: in practice Controllers remove most of the logic, from th...
Debug code-first Entity Framework migration codes
... hit a break point in a db migration set the context to MigrateDatabaseToLatestVersion on initialise.
Database.SetInitializer(new MigrateDatabaseToLatestVersion<EnterContextHere, Configuration>());
Then you just debug as normal (run using f5) and the breakpoint will hit the first time you r...
Creating JSON on the fly with JObject
For some of my unit tests I want the ability to build up particular JSON values (record albums in this case) that can be used as input for the system under test.
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How do I read text from the (windows) clipboard from python?
...ipboard()
win32clipboard.EmptyClipboard()
win32clipboard.SetClipboardText('testing 123')
win32clipboard.CloseClipboard()
# get clipboard data
win32clipboard.OpenClipboard()
data = win32clipboard.GetClipboardData()
win32clipboard.CloseClipboard()
print data
An important reminder from the documenta...
How do I get the name of the current executable in C#?
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AppDomain can be a EXE application, Web application, Unit test application, Addin Visual Studio, and "Silverlight App"(?). Maybe interesting full solution for all cases. For example, for Unit Test VS2012 - ProcessName: vstest.executionengine.x86 MainModule.FileName: C...
How do I write a bash script to restart a process if it dies?
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@TomášZato you can do the above loop without testing the process' exit code while true; do myprocess; done but note that there is now no way to stop the process.
– lhunath
Jan 19 '14 at 1:57
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