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 inventwithpython.com
Hashable Objects Must Be Immutable - The Invent with Python Blog
| | fuzzyblog.io
Coding with Python Dictionaries the Ruby Way With Respect to Missing Keys
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| | [AI summary] The author discusses differences between Python and Ruby regarding dictionary key access and missing keys, highlighting cultural design philosophies and the Pythonic .get() method.
| | blog.pchudzik.com
Object oriented programming in Python
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| | www.nkantar.com
Getting Nothing Out of a Python Dictionary | Blog | Nik Kantar
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| | A bit of nuance about dealing with null and missing values in Python dictionaries.
| | blog.demofox.org
O(1) Data Lookups With Minimal Perfect Hashing « The blog at the bottom of the sea
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| Hash tables are great in that you can hash a key and then use that hash as an index into an array to get the information associated with that key. That is very fast, so long as you use a fast hash function. The story doesn't end there though because hash functions can have collisions...