Applications of DFS
One of the applications of DFS is to find the number of connected components in a graph.In graph theory, a connected component of an undirected graph is a sub-g...
Author: Sreekumar Kj
Sreekumar (KJ) has been a hobby programmer from school days. Codemarvels is his personal blog from the year 2010, where he writes about technology, philosophy, society and a bit about physics.
He now runs a conversational AI company - DheeYantra - focusing his efforts to help businesses improve operational efficiency using digital employees powered by AI.
Databases in Android using SQLite – Part II
In the last post I showed you how to create a database. We created a table inside it and inserted values. Although we could make sure that our database was succ...
Databases in Android using SQLite – Part I
In this post I will show you how to integrate SQLite and Java in your Android Application. If you do not have a fair idea of SQLite, I would suggest you to take...
Android development: Introducing SQLite
As you start to develop complex applications containing multiple activities and providing multiple functionality, often times you would want to store structured...
Longest Common Subsequence
Given two sequences,the task is to find the length of longest sub-sequence present in both of them. A sub-sequence is a sequence that appears in the same relati...
Activity Selection Problem
Activity selection problem is an example of greedy algorithm.Greedy algorithms look for simple, easy-to-implement solutions to complex, multi-step problems by d...
Android dev tutorial: Shared Preferences Screen in Android
Now that we are familiar with what Shared Preferences are and how they work, its time to actually look into one of the main applications of the Shared Preferenc...
Android dev primer: Shared Preferences – An Introduction
When you are into creating complex Android Applications, you will want the user to be able to customize the settings of your application according to his needs....
Dijkstra’s Algorithm
Given a network of cities and the distances between them,the task is to find the shortest path from a city(source) to all other cities connected to it.The netwo...
Android Dev Primer: Adding Camera Functionality in Android
Often, in your Android application, you will want to incorporate photos that the user takes from his camera. Just like audio and video, it is possible and rathe...