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Algorithms based on number base systems? [closed]
I've noticed recently that there are a great many algorithms out there based in part or in whole on clever uses of numbers in creative bases. For example:
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How can I get the max (or min) value in a vector?
How can I get the max (or min) value in a vector in C++ ?
10 Answers
10
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Remove multiple whitespaces
I'm getting $row['message'] from a MySQL database and I need to remove all whitespace like \n \t and so on.
15 Answer...
Anonymous recursive PHP functions
Is it possible to have a PHP function that is both recursive and anonymous? This is my attempt to get it to work, but it doesn't pass in the function name.
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Find a pair of elements from an array whose sum equals a given number
Given array of n integers and given a number X, find all the unique pairs of elements (a,b), whose summation is equal to X.
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Some built-in to pad a list in python
I have a list of size < N and I want to pad it up to the size N with a value.
10 Answers
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Extract subset of key-value pairs from Python dictionary object?
I have a big dictionary object that has several key value pairs (about 16), but I am only interested in 3 of them. What is the best way (shortest/efficient/most elegant) to achieve that?
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What's the fastest way to merge/join data.frames in R?
For example (not sure if most representative example though):
5 Answers
5
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How to parse a JSON string to an array using Jackson
I have a String with the following value:
4 Answers
4
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Listing all permutations of a string/integer
A common task in programming interviews (not from my experience of interviews though) is to take a string or an integer and list every possible permutation.
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