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python pandas dataframe to dictionary
I've a two columns dataframe, and intend to convert it to python dictionary - the first column will be the key and the second will be the value. Thank you in advance.
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Should I test private methods or only public ones? [closed]
I have read this post about how to test private methods. I usually do not test them, because I always thought it's faster to test only public methods that will be called from outside the object. Do you test private methods? Should I always test them?
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What's the advantage of Logic-less template (such as mustache)?
Recently, I ran into mustache which is claimed to be Logic-less template .
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Using Java 8 to convert a list of objects into a string obtained from the toString() method
There are a lot of useful new things in Java 8. E.g., I can iterate with a stream over a list of objects and then sum the values from a specific field of the Object 's instances. E.g.
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Random number generation in C++11: how to generate, how does it work? [closed]
I recently came across new way to generate random numbers in C++11, but couldn't digest the papers that I read about it (what is that engine , maths term like distribution , "where all integers produced are equally likely ").
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PyPy — How can it possibly beat CPython?
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4 Answers
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Create a dictionary with list comprehension
I like the Python list comprehension syntax.
14 Answers
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Is there a way to detect if an image is blurry?
I was wondering if there is a way to determine if an image is blurry or not by analyzing the image data.
12 Answers
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Modular multiplicative inverse function in Python
Does some standard Python module contain a function to compute modular multiplicative inverse of a number, i.e. a number y = invmod(x, p) such that x*y == 1 (mod p) ? Google doesn't seem to give any good hints on this.
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Removing all empty elements from a hash / YAML?
How would I go about removing all empty elements (empty list items) from a nested Hash or YAML file?
20 Answers
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