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Set value for particular cell in pandas DataFrame using index

...y df. In [18]: %timeit df.set_value('C', 'x', 10) 100000 loops, best of 3: 2.9 µs per loop In [20]: %timeit df['x']['C'] = 10 100000 loops, best of 3: 6.31 µs per loop In [81]: %timeit df.at['C', 'x'] = 10 100000 loops, best of 3: 9.2 µs per loop ...
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How do I base64 encode (decode) in C?

..., 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'}; static char *decoding_table = NULL; static int mod_table[] = {0, 2, 1}; char *base64_encode(const unsigned char *data, size_t ...
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Pandas aggregate count distinct

... 3 Answers 3 Active ...
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Correct way to find max in an Array in Swift

... 302 Given: let numbers = [1, 2, 3, 4, 5] Swift 3: numbers.min() // equals 1 numbers.max() // e...
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Accessing dict_keys element by index in Python3

... Call list() on the dictionary instead: keys = list(test) In Python 3, the dict.keys() method returns a dictionary view object, which acts as a set. Iterating over the dictionary directly also yields keys, so turning a dictionary into a list results in a list of all the keys: >>> te...
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How can I add new array elements at the beginning of an array in Javascript?

... 2943 Use unshift. It's like push, except it adds elements to the beginning of the array instead of th...
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Bootstrap 3: pull-right for col-lg only

New to bootstrap 3.... In my layout I have: 13 Answers 13 ...
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Full-screen iframe with a height of 100%

... | edited Apr 17 '14 at 3:24 bjb568 9,3701111 gold badges4242 silver badges6464 bronze badges answered...
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Get value of dynamically chosen class constant in PHP

... Brad 140k3737 gold badges282282 silver badges452452 bronze badges answered May 27 '11 at 2:20 Dan SimonDan Sim...
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Get a filtered list of files in a directory

... answered Feb 8 '10 at 23:05 Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams 667k127127 gold badges11911191 silver badges12501250 bronze badges ...