Inserting element in an array results in weird number from memory?

How do you remove duplicate characters and vowels from a string in reverse order (right to left) using the following code in JavaScript?

What machine learning algorithms should I use to rank the popularity and relevance of articles on the internet?

When finding an element’s value in an array using exhaustive search, what would happen if the element didn’t exist?

Does a Facebook/Instagram UX/UI engineer need to know heavy Data Structures & Algorithms?

What is a binary cell?

What is the most widely accepted definition of algorithm?

What method could be reasonable for a web-based real-time generating math exercise workbook?

In how much detail should I study Machine Learning algorithms to be a successful PM?

What is the complexity of the 2nd loop?

Which algorithm can I use to find the shortest way in a time variant system?

What are feature reduction algorithms that do not need the number of features to be given?

How can algorithmic or pattern trading generate profits when (weak-form) market efficiency theory argues that past price information is irrelevant?

What is better when implementing machine learning applications, using libraries like TensorFlow or developing algorithms ourselves?

How do I write a MATLAB code for a low pass FIR filter design, using a PSO algorithm?

Are there any physical models or phenomena that would allow to solve NP-hard problems quickly?

Why is my solution to the problem not being accepted in SPOJ.com?

Which programming language has a module for binary trees (BST, AVL, or Red-Black, etc.) in the library, or do we have to implement everything manually?

Does an algorithm exist to solve building a product catalog against a set of user preferences?

What is Floyd algorithm?