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JPA: How to have one-to-many relation of the same Entity type
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herau
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answered Aug 3 '10 at 4:54
Dan LaRocqueDan LaRoc...
What is the difference between ndarray and array in numpy?
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232
numpy.array is just a convenience function to create an ndarray; it is not a class itself.
Y...
MySQL Multiple Joins in one query?
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answered Jan 23 '12 at 15:49
Code MagicianCode Magician
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With Spring can I make an optional path variable?
With Spring 3.0, can I have an optional path variable?
9 Answers
9
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What is Linux’s native GUI API?
Both Windows (Win32 API) and OS X (Cocoa) have their own APIs to handle windows, events and other OS stuff. I have never really got a clear answer as to what Linux’s equivalent is?
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ExecJS::RuntimeError on Windows trying to follow rubytutorial
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13 Answers
13
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Asserting successive calls to a mock method
...the last call to a method.
If I have code that calls the mocked method 3 times successively, each time with different parameters, how can I assert these 3 calls with their specific parameters?
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Java exception not caught?
... block that also throws an exception:
} finally {
throw new Exception("3");
}
Exception("2") will be discarded and only Exception("3") will be propagated.
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Rounding float in Ruby
..., I can only use .round which basically turns it into an int, meaning 2.34.round # => 2. Is there a simple effect way to do something like 2.3465 # => 2.35
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Error in : object of type 'closure' is not subsettable
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library(shiny)
reactive_df <- reactive({
data.frame(col1 = c(1,2,3),
col2 = c(4,5,6))
})
While we often work with reactive expressions in shiny as if they were data frames, they are actually functions that return data frames (or other objects).
isolate({
print(reactiv...