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How to check if element in groovy array/hash/collection/list?
...rray contains an element?
I thought there might be something like [1, 2, 3].includes(1) which would evaluate as true .
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Pandas - How to flatten a hierarchical index in columns
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edited Jan 17 '14 at 19:36
answered Jan 24 '13 at 18:37
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LINQ Aggregate algorithm explained
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1030
The easiest-to-understand definition of Aggregate is that it performs an operation on each elem...
What is the difference between Numpy's array() and asarray() functions?
...ume a is an ndarray, and m is a matrix, and they both have a dtype of float32:
np.array(a) and np.array(m) will copy both, because that's the default behavior.
np.array(a, copy=False) and np.array(m, copy=False) will copy m but not a, because m is not an ndarray.
np.array(a, copy=False, subok=True...
Python nonlocal statement
What does the Python nonlocal statement do (in Python 3.0 and later)?
9 Answers
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What does Bump Version stand for?
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answered Nov 15 '10 at 3:29
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
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Try-finally block prevents StackOverflowError
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It doesn't run forever. Each stack overflow causes the code to move to the finally block. The ...
Rails 3 execute custom sql query without a model
...t that is supposed to deal with database. I used code given below in rails 3
5 Answers
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Regex to validate date format dd/mm/yyyy
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336
The regex you pasted does not validate leap years correctly, but there is one that does in the...
How to re-raise an exception in nested try/except blocks?
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As of Python 3 the traceback is stored in the exception, so a simple raise e will do the (mostl...