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Read each line of txt file to new array element
...e set up your text file, you'll have might have to play around with the \n bit.
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DistutilsOptionError: must supply either home or prefix/exec-prefix — not both
...p2 yes rightly noted by you, so I have edited the answer to emphasise that bit, AndreG please note.
– bool.dev
Apr 1 '19 at 8:11
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Use jQuery to change an HTML tag?
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Woo! Bagged another blop of bad security! A win, and rounds for all! (insert beer icon here)
– jrista
May 28 '09 at 5:24
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Applying function with multiple arguments to create a new pandas column
...on:
>>> import numpy as np
>>> df = pd.DataFrame({"A": [10,20,30], "B": [20, 30, 10]})
>>> df['new_column'] = np.multiply(df['A'], df['B'])
>>> df
A B new_column
0 10 20 200
1 20 30 600
2 30 10 300
or vectorize arbitrary fun...
Django dynamic model fields
...n) to collect additional data in forms and report on the data. The latter bit makes JSONField not a great option, so instead I have the following solution:
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update
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Its a bit dirty, but you can just insert it.
Be sure that the key has a unique index on it (if you use the _id it's ok, it's already unique).
In this way if the element is already present it will return an exception that you can ...
Is nested function a good approach when required by only one function? [closed]
...onvey the concept -- in actual use what do_it() does would presumably be a bit more complicated than what can be handled by some arithmetic in a single return statement.
– martineau
Sep 2 '14 at 13:07
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How to replace NaN values by Zeroes in a column of a Pandas Dataframe?
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I just wanted to provide a bit of an update/special case since it looks like people still come here. If you're using a multi-index or otherwise using an index-slicer the inplace=True option may not be enough to update the slice you've chosen. For examp...
How do I create/edit a Manifest file?
...hat "template". Especially I am adding the operating system keys, e.g. for Win 10 which even VS 2013 doesn't know yet.
– Philm
Nov 11 '15 at 0:16
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如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
...参数），最后选择在交叉验证中表现最好的。jmp0xf 译自Edwin Chen
How do you know what machine learning algorithm to choose for your classification problem? Of course, if you really care about accuracy, your best bet is to test out a couple different ones (making sure to try dif...