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probablydance.com | ||
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attractivechaos.wordpress.com
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| | | | | Array and hash table are probably the most important data structures. Some programming languages such as Perl, Lua and Javascript, almost build the language core on top of the two data structures. While array is straightforward to implement, hash table is not. This is why we have paid continuous efforts in improving the hash table... | |
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dave.cheney.net
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thepythoncorner.com
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| | | | | Hi guys, have you ever wondered how can Python dictionaries be so fast and reliable? The answer is that they are built on top of another technology: hash tables. Knowing how Python hash tables work will give you a deeper understanding of how dictionaries work and this could be a great advantage for your Python understanding because dictionaries are almost everywhere in Python. Hash Functions Before introducing hash tables and their Python implementation you have to know what is a hash function and how it works. A hash function is a function that can map a piece of data of... | |
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yasoob.me
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| | | Hi people! Recently, I was super confused when I found out that: >>> pow(3,89) runs slower than: >>> 3**89 I tried to think of a suitable answer but couldn't find any. I timed the execution of both of these statements using the timeit module in Python3: $ python3 -m timeit 'pow(3,89)' 500000 loops, best of 5: 688 nsec per loop $ python3 -m timeit '3**89' 500000 loops, best of 5: 519 nsec per loop The difference is not big. | ||
