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Why does ++[[]][+[]]+[+[]] return the string “10”?
This is valid and returns the string "10" in JavaScript ( more examples here ):
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Data structure: insert, remove, contains, get random element, all at O(1)
I was given this problem in an interview. How would you have answered?
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Numpy array assignment with copy
For example, if we have a numpy array A , and we want a numpy array B with the same elements.
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The multi-part identifier could not be bound
I've seen similar errors on SO, but I don't find a solution for my problem.
I have a SQL query like:
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How to add a new method to a php object on the fly?
How do I add a new method to an object "on the fly"?
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How Do I Take a Screen Shot of a UIView?
I am wondering how my iPhone app can take a screen shot of a specific UIView as a UIImage .
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Private vs Protected - Visibility Good-Practice Concern [closed]
I've been searching and I know the theoretic difference.
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Why is lazy evaluation useful?
I have long been wondering why lazy evaluation is useful. I have yet to have anyone explain to me in a way that makes sense; mostly it ends up boiling down to "trust me".
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Applying a function to every row of a table using dplyr?
When working with plyr I often found it useful to use adply for scalar functions that I have to apply to each and every row.
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How to format a string as a telephone number in C#
I have a string "1112224444' it is a telephone number. I want to format as 111-222-4444 before I store it in a file. It is on a datarecord and I would prefer to be able to do this without assigning a new variable.
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