Algorithms Number of substrings divisible by 8 but not 3 We need to find total number of substrings that are divisible by 8 but not 3 in the given string. We have solved this problem using Dynamic Programming in linear time O(N) where the brute force approach takes O(N^2) time.

Algorithms Minimum number of operations to make GCD of an array K We are given an array and we need to find the minimum number of operations required to make GCD of the array equal to k. Where an operation could be either increment or decrement an array element by 1. We have solved this in O(N log N) time complexity.

Machine Learning (ML) Normalization in Machine Learning: A Breakdown in detail In this article, we have explored Normalization in detail and presented the algorithmic steps. We have covered all types like Batch normalization, Weight normalization and Layer normalization.

Algorithms Reverse a linked list using 2 pointers technique using XOR operator You must have come across reversing a linked list using 3 pointers technique which is the most common approach to do it. But do you know how to reverse a linked list with just 2 pointers? This article will teach you just that! Let's dive into it.

Software Engineering Linear Search in C Programming Language We have explored Linear Search algorithm and implemented variants of Linear Search in C Programming Language. The variants we have explored are Linear Search in array in C, Linear Search in Linked List in C, Linear Search in array with duplicates and Linear Search in Linked List with duplicates.

Machine Learning (ML) Techniques for Time Series Prediction We have covered different techniques for Time series prediction which involves using Artificial Neural Networks like Single Layer NN, RNN, LSTM, using Stochastic models like ARMA, ARIMA, SAIMA and using Support Vector Machines.

Software Engineering Implement Memory Efficient Applications in Node.JS In this article, we explored how to implement Memory Efficient Applications in Node.JS. We covered topics like buffers, streams, readable streams, writable streams and piping in Node.JS.

Machine Learning (ML) An Introduction to Recommendation System This is the introduction to recommendation systems, how it works and more. We have different approaches to it like Content-based systems, Collaborative filtering systems and Hybrid systems.

Algorithms String Matching using Bitset In this article, we have explored how to solve string matching problem (find all occurences of string S1 in another string S2) using Bitset. It is a modification of the naive approach which takes O(L x P x logL) time complexity which improves to O(L x P / K) using bitset.

Software Engineering Designing Complex Numbers using Classes in Python We have explored the concept by utilizing built-in mathematical operations to create our own complex Number utility in Python using Classes (OOP concepts).

Software Engineering Sorting a 2 Dimensional (2D) vector in C++ In this article, we will explore different ways to sort a 2 dimensional (2D) vector in C++ which includes sorting by row, column, a specific row or a specific column.

Software Engineering Solving Linear Programming problems in Python using cvxpy library Linear programming requires that all the mathematical functions in the model be linear functions. We have solved linear programming problems in Python using cvxpy library.

Software Engineering How to formulate a linear programming problem? In this article, we will explore into sample problems and formulate it as a linear programming problem. We have considered three problems Product Mix Problem, Transportation Problem and Flow Capacity Problem.

Software Engineering Handling Exceptions in Java The three main elements of an exception handler in Java are: try, catch and finally block. We have explored these in depth with examples and questions related to handling exceptions in Java.

Software Engineering Super keyword Reference in Java Super keyword, in Java, is used to call the Constructor of the Parent Class. It is required when we need to pass some arguments to Parent Class and complete object instantiation.

Journey to becoming the Most Active GitHubber in India This blog highlights the journey of Nishkarsh Raj, who worked on the #301DaysofCode challenge on GitHub and posted daily updates on Twitter. By the end of the journey, he had 11000+ contributions on the platform and was one of the most active GitHubber in India.

Algorithms Minimum number of increment or decrement (by 1) operations to make array in increasing order Given an array of size N. Find the minimum number of increment or decrement operations to make the array in increasing order. In each move, we can add or subtract 1 to any element in the array.

Algorithms Minimum number of increment (by 1) operations to make array in increasing order Given an array of size N . Find the number of increment (by 1) operations required to make the array in increasing order. In each move, we can add 1 to any element in the array.

Machine Learning (ML) Activation Functions in Machine Learning: A Breakdown We have covered the basics of Activation functions intuitively, its significance/ importance and its different types like Sigmoid Function, tanh Function and ReLU function.

Software Engineering Online C Code Compiler using Flask In this article, we have explored how we can develop an online C Programming language compiler using Flask (a Python web framework). It can be extended to support any programming language.

Software Engineering Basics of std::multiset in C++ We have explored the basics of multiset container in C++ in depth. We have covered initialize, accessing elements, member functions, modifiers like emplace, its iterators, observers and much more.

Software Engineering Handling date and time in Python using datetime module We explore the datetime module provided in Python programming language and how to use its various functionalities in implementation along with various types of objects and classes within it.

Software Engineering Introduction to Abstract Window Toolkit (AWT) in Java in this article, we have explored the basics of Abstract Window Toolkit (AWT) in Java which is used for creating Windows based Graphical User Interface. We demonstrated it by implementing a form UI using AWT in Java.

Software Engineering Ways to convert double to string in C++ We have covered different ways to convert double to string in C++ which includes using std::to_string function, ostringstream, sprintf and boost's lexical_cast.

Software Engineering Vector::front() in C++ STL We have covered front() function of vector container in C++ STL in depth along with differences between front(), begin(), back() and end() Functions.