PHP, short for Personal Home Page when initially released in 1995 by Rasmus Lerdorf, now stands for PHP: Hypertext Preprocessor. Version 8.5 is a major release that brings with it a handful of useful ...

Abstract: Detecting duplicates over sliding windows is an important technique for monitoring and analysing data streams. Since recording the exact information of elements in a sliding window can be ...

Given an array of integers of size n which contains numbers from 0 to n - 2. Each number is present at least once. That is, if n = 5, numbers from 0 to 3 is present in the given array at least once ...

JavaScript’s arrays can hold heterogeneous types, change size on the fly, and readily insert or remove elements. Traditional methods like slice, splice, and push/pop do this by operating on the array ...

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Javascript arrays can contain duplicates - which is fine most of the time, but can sometimes cause some issues. For example, if an array is supposed to only contain unique user IDs, but is taken from ...