Algorithms Convert one string to another by changing all occurrence of a character to another We will be solving Check if one string can be converted to another by changing all occurrence of a character to another character problem using the Union and Find algorithm.
Machine Learning (ML) Back Propagation (Intuitively) Back Propagation is one of the most important topics of Neural Net Training. It is the process of tuning the weights of neural network and is based on the rate of error of previous epoch.
Software Engineering 3D Vectors in C++ Article for 3D Vector in C++ which contains guide for creating 3D vector, adding elements, deleting elements traversing through vector and different ways for doing these.
Algorithms Maximum XOR of two numbers in an array using Trie Given a list of numbers we need to identify a pair of numbers in the list such that the XOR of those numbers is the maximum possible over all the pairs.
Algorithms Find k-th smallest element using QuickSelect algorithm Quickselect is an approach where we use divide and conquer and find the k th smallest element in an average O(N) time.
Algorithms Longest Alternating Subsequence Given an array, find the length of the longest alternating subsequence. We solve this using two approaches: Dynamic Programming and Efficient Approach.
Software Engineering Programmatic TableView using Swift In this article, we are going to see how to create a table view in swift code without using visual designer.
Software Engineering Building programmatic UI using Swift Learn to build programmatic UI in Swift UIKit without using StoryBoard.
Software Engineering Upgrade Insecure Requests The “upgrade-insecure-requests” Content Security Policy header instructs your browser request web stuff and do it with HTTPS and not HTTP.
Algorithms Find length of the longest Fibonacci subsequence We have a strictly increasing array of positive integers. Our task is to find the length of the longest Fibonacci subsequence possible. We will solve this using Brute force and Dynamic Programming.
Algorithms Next Larger / Smaller element in Array (using Monotonic Queue) In this problem, we are given an array and our task is to find the next larger/ smaller element for each element in the array. We have covered brute force approach and Monotonic Queue.
String Algorithms Minimum number of operations to convert binary string to self-destructing We will explore algorithms to find the Minimum number of operations to convert a binary string to a self-destructing string.
Software Engineering JSON Parsing in iOS using Swift Learn how to make HTTP GET request in Swift and Parse JSON Response.
Algorithms Basics of stable matching We have covered the basics of Stable Matching and algorithms associated with it like Gale Shapley Algorithm, Irving's Algorithm, Hospital Residents Problems and more.
Algorithms Implementing Priority Queue using Linked List We demonstrated the approach to Implement a Priority Queue using Linked List and support all operations like push and pop efficiently.
Software Engineering Bit header file in C++20 Bit header was included in the C++20. This header provides components such as types and functions to access, manipulate and process individual bits and bit sequences.
System Design System design of an URL Shortener (TinyURL or Bit.ly) We have explained the ideas involved to design a system for URL shortening service which is scalable in the real environment.
System Design Design of Rate Limiting System We have explained how to Design a Rate Limiting System in a scalable way and explored various algorithms that are used in practice.
Software Engineering Introduction to Cocoa Pods Learn about Cocoa Pods and how to use them in your projects to speed up the development time
Software Engineering Email Password Authentication using FireBase in iOS App Learn how to add email, password authentication to your iOS apps without building any dedicated backend service
Software Engineering TreeSet in Java TreeSet is created using the implementations of the SortedSet interface in Java and it uses Tree for storage.
Problems on Binary Tree Level order traversal of a Binary Tree In this article, we have explored Level order traversal of a Binary Tree in depth using two approaches: recursive approach and queue.
Algorithms Coin Change Problem Coin change problem is very similar to unbounded knapsack problem which can be solved easily and efficiently by using Dynamic Programming. General task is to find maximum number of ways to add the coins from the array for given amount.
Software Engineering Deleted function in C++ C++11 introduced a new use of the delete keyword to make a function non-callable.
Software Engineering Default functions in C++11 C++11 introduced a new use of the default keyword as a way to explicitly tell the compiler that a special member function will use the default implementation.
