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What is a good Hash Function?
...lly any kind of data - this one by Paul Hsieh is the best I've ever used.
http://www.azillionmonkeys.com/qed/hash.html
If you care about cryptographically secure or anything else more advanced, then YMMV. If you just want a kick ass general purpose hash function for a hash table lookup, then this...
Passing parameters in rails redirect_to
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You can't redirect with a POST. From the HTTP 1.1 docs under the 3xx definitions: "The action required MAY be carried out by the user agent without interaction with the user if and only if the method used in the second request is GET or HEAD." Expand on what you're...
How to write a multidimensional array to a text file?
...) takes an optional parameter
newline='\n' to allow multi-line output.
https://docs.scipy.org/doc/numpy-1.13.0/reference/generated/numpy.savetxt.html
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What are metaclasses in Python?
...ass is an instance of a metaclass.
While in Python you can use arbitrary callables for metaclasses (like Jerub shows), the better approach is to make it an actual class itself. type is the usual metaclass in Python. type is itself a class, and it is its own type. You won't be able to recreate somet...
What version of Visual Studio is Python on my computer compiled with?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
Block Comments in Clojure
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See this link:
http://en.wikibooks.org/wiki/Clojure_Programming/Tutorials_and_Tips
You can create multiline comments with the syntax
(comment .....
....)
sha...
Why do we need message brokers like RabbitMQ over a database like PostgreSQL?
...en scaling. For a good example, see:
(source: springsource.com)
and: http://blog.springsource.org/2011/04/01/routing-topologies-for-performance-and-scalability-with-rabbitmq/
Finally, in regards to redis, yes, it can be used as a message broker, and can do well. However, Rabbitmq has more mes...
Usage of __slots__?
What is the purpose of __slots__ in Python — especially with respect to when I would want to use it, and when not?
11 A...
How to get one value at a time from a generator function in Python?
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This is the correct way to do it.
You can also use next(gen).
http://docs.python.org/library/functions.html#next
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Should I use a class or dictionary?
...ould your __init__ code go?
Classes are for bundling related data (and usually code).
Dictionaries are for storing key-value relationships, where usually the keys are all of the same type, and all the values are also of one type. Occasionally they can be useful for bundling data when the key/attri...