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How to customize the background/border colors of a grouped table view cell?
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Ruby: How to get the first character of a string
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Cleanest and most Pythonic way to get tomorrow's date?
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datetime.date.today() + datetime.timedelta(days=1) should do the trick
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Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?
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As Sven mentioned, x[[[0],[2]],[1,3]] will give back the 0 and 2 rows that match with the 1 and 3 columns while x[[0,2],[1,3]] will return the values x[0,1] and x[2,3] in an array.
There is a helpful function for doing the first example I gave, numpy.ix_....
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原理：
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How can I apply a function to every row/column of a matrix in MATLAB?
...an apply a function to every item in a vector by saying, for example, v + 1 , or you can use the function arrayfun . How can I do it for every row/column of a matrix without using a for loop?
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How can I sort a dictionary by key?
What would be a nice way to go from {2:3, 1:89, 4:5, 3:0} to {1:89, 2:3, 3:0, 4:5} ?
I checked some posts but they all use the "sorted" operator that returns tuples.
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How to avoid the “divide by zero” error in SQL?
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.NET 4.0 has a new GAC, why?
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Yes since there are 2 distinct Global Assembly Cache (GAC), you will have to manage each of th...