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If you’re mathematically inclined,
then you could use the [pigeonhole principle](https://en.wikipedia.org/wiki/Pigeonhole_principle)
to describe hash collisions more formally:
> Given *m* items and *n* containers,
> if *m* > *n*,
> then there’s at least one container
> with more than one item.
In this context,
items are a potentially infinite number of values
that you feed into the hash function,
while containers are their hash values
assigned from a finite pool.
Build a Hash Table in Python With TDD
Bartosz Zaczyński

Analytics architecture design - Azure Architecture Center
big data architecture
Software companies aren't made of code, much like
bakeries aren't made of bread.
Software companies are made of
*processes that produce and maintain code*.
Software is a by-product of these processes.
It's not even the *final* product — it's a means to an end.
The final product is a solution to a business problem.
The Machine That Makes the Thing Is More Valuable Than the Thing
François Chollet
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