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Performance of foreach, array_map with lambda and array_map with static function
What's the performance difference (if there is any) between these three approaches, both used to transform an array to another array?
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Fastest way to reset every value of std::vector to 0
What's the fastest way to reset every value of a std::vector<int> to 0 and keeping the vectors initial size ?
6 An...
Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers
I have a Numpy array consisting of a list of lists, representing a two-dimensional array with row labels and column names as shown below:
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How can you profile a Python script?
Project Euler and other coding contests often have a maximum time to run or people boast of how fast their particular solution runs. With Python, sometimes the approaches are somewhat kludgey - i.e., adding timing code to __main__ .
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How do I do base64 encoding on iOS?
I'd like to do base64 encoding and decoding, but I could not find any support from the iPhone SDK . How can I do base64 encoding and decoding with or without a library?
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Numpy - add row to array
How does one add rows to a numpy array?
9 Answers
9
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How to calculate the angle between a line and the horizontal axis?
In a programming language (Python, C#, etc) I need to determine how to calculate the angle between a line and the horizontal axis?
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Days between two dates? [duplicate]
What's the shortest way to see how many full days have passed between two dates?
Here's what I'm doing now.
4 Answers
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Vagrant's port forwarding not working [closed]
I'm running into a small problem at the end of the Getting Started guide for vagrant . I'm working on a CentOS basebox that has Apache2 running (provisioning via Puppet). I've set up port forwarding for web requests using the following line in Vagrantfile :
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How to create GUID / UUID?
I'm trying to create globally-unique identifiers in JavaScript. I'm not sure what routines are available on all browsers, how "random" and seeded the built-in random number generator is, etc.
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