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Call apply-like function on each row of dataframe with multiple arguments from each row
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For non-vectorized functions, mapply will work, but you need to match the ordering of the args or explicitly name them:
mapply(testFunc, df$x, df$z)
Sometimes apply will work - as when all args are of the same type so coercing the data.frame to a matrix does not cause problems by changing data t...
Best way to add Activity to an Android project in Eclipse?
...to be performed" list. In this list you can see manifest file, strings.xml etc already checked. So, unless you uncheck them, it is added automatically
– berkuqo
Aug 16 '12 at 8:55
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Can C++ code be valid in both C++03 and C++11 but do different things?
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return 0 ;
}
In both C++03 and C++11 this is well defined but the order of evaluation in C++03 is unspecified but in C++11 they are evaluated in the order in which they appear. So if we compile using clang in C++03 mode it provide the following warning (see it live):
warning: multiple unse...
Visual Studio 2012 - Intellisense sometimes disappearing / broken
...way and I don't have access to those controls in code behind.
This is the order of steps that I go through:
If only 1 file/window appears to be affected, close/reopen that file.
In Visual Studio:
Click Tools->Options->Text Editor->All Languages->General
Uncheck "Auto list members...
Garbage collector in Android
... be interpreted the other way? Maybe the GC needs to be called manually in order to collect those objects before they consume too much memory.
– hpique
Jun 25 '10 at 13:47
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No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin '…' is therefor
I'm using .htaccess to rewrite urls and I used html base tag in order to make it work.
11 Answers
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live output from subprocess command
...output about what iteration its at, what time, what the next time-step is, etc.
16 Answers
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How was the first compiler written?
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How do I invert BooleanToVisibilityConverter?
...ls, not to mention another property you theoretically have to unit test in order to maintain code coverage. View models shouldn't have to get that close to the implementation details of the view, otherwise you might as well just have Visibility properties in your view model.
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About catching ANY exception
...eption is thrown or not."
In the above example, you'd see output in this order:
1) Performing an action which may throw an exception.
2) Finally is called directly after executing the try statement whether an exception is thrown or not.
3) "An exception was thrown!" or "Everything looks great!"...