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How do I calculate percentiles with python/numpy?
Is there a convenient way to calculate percentiles for a sequence or single-dimensional numpy array?
11 Answers
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What are the differences between segment trees, interval trees, binary indexed trees and range trees
What are differences between segment trees, interval trees, binary indexed trees and range trees in terms of:
2 Answers
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What's up with Java's “%n” in printf?
I'm reading Effective Java and it uses %n for the newline character everywhere. I have used \n rather successfully for newline in Java programs.
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Finding duplicates in O(n) time and O(1) space
Input: Given an array of n elements which contains elements from 0 to n-1, with any of these numbers appearing any number of times.
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Most efficient way to create a zero filled JavaScript array?
What is the most efficient way to create an arbitrary length zero filled array in JavaScript?
41 Answers
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How to create an array containing 1…N
I'm looking for any alternatives to the below for creating a JavaScript array containing 1 through to N where N is only known at runtime.
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What's the fastest algorithm for sorting a linked list?
I'm curious if O(n log n) is the best a linked list can do.
13 Answers
13
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sed or awk: delete n lines following a pattern
How would I mix patterns and numeric ranges in sed (or any similar tool - awk for example)? What I want to do is match certain lines in a file, and delete the next n lines before proceeding, and I want to do that as part of a pipeline.
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How to print binary tree diagram?
How can I print a binary tree in Java so that the output is like:
28 Answers
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Big-O summary for Java Collections Framework implementations? [closed]
I may be teaching a "Java crash-course" soon. While it is probably safe to assume that the audience members will know Big-O notation, it is probably not safe to assume that they will know what the order of the various operations on various collection implementations is.
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