yashbhutoria
/ cache_decorator.py
Created
June 30, 2020 15:20
A simple decorator to cache function calls with same arguments. Useful to optimize recursive functions with repeating calls.
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| # The decorator to cache function calls | |
| def cached(func): | |
| cache = dict() | |
| def decorator(*args): | |
| if tuple(args) not in cache: | |
| cache[tuple(args)] = func(*args) | |
| return cache[tuple(args)] | |
| return decorator | |
| # Usage example |
msubel
/ uuid_v4_excel_formula.txt
Created
July 14, 2015 12:37
An Excel Fromula to generate a UUID v4
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| =LOWER(CONCATENATE(DEC2HEX(RANDBETWEEN(0;POWER(16;8));8);"-";DEC2HEX(RANDBETWEEN(0;POWER(16;4));4);"-";"4";DEC2HEX(RANDBETWEEN(0;POWER(16;3));3);"-";DEC2HEX(RANDBETWEEN(8;11));DEC2HEX(RANDBETWEEN(0;POWER(16;3));3);"-";DEC2HEX(RANDBETWEEN(0;POWER(16;8));8);DEC2HEX(RANDBETWEEN(0;POWER(16;4));4))) |