Algorithm [Algorithm Question] Finding the origin of a Computer Virus from the given list of machine pairs Recently, I worked on the algorithm problem that required to find the origin of computer virus given the list of infected machine pairs. In general you're given the input in the form of computer pairs (a, b) which indicates the virus infection from machine a to machine b. The goal
iOS Drag and Drop on iOS using Swift Hello folks, it's been a while since I wrote my last article. Today we're going to learn how to implement drag and drop feature on iOS using Swift. To see in advance what we're going to achieve by the end of this tutorial, please watch the following video, To summarize
Interview Questions Magic of Quickselect/Selection algorithm Recently I came across an interesting interview question. To find the kth largest or smallest element in the given array. Please remember that array is unsorted. The problem becomes cakewalk if array is sorted. In its simplest form, if an array a of size n is already sorted, you can
iOS List of Interview Questions for iOS Developers Over the years of iOS development has taught me some interesting facts about Objective-C and Swift. Some of them I learned from my own experience and most of them either from senior colleagues or other online resources (Attributions added to the end). Based on this knowledge I have compiled a
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