Alice LinWebSockets with Socket.ioSocket.io is a JS library that help make real-time applications. It primarily uses the WebSocket protocol and has polling as a fallback…3 min read·May 22, 2018----
Alice LinSmallest Difference with JavaScriptGiven two arrays that contain integers, find one number from each array with the smallest (non-negative) difference and return that…3 min read·Apr 30, 2018----
Alice LinTwo Sum with HashesLet’s say you’re given an array of integers and you want to find two numbers in that array that add up to a target number. How would you…4 min read·Apr 9, 2018----