Scrum is a flexible agile development practice / method / framework built around some agile principles and on top of BDD. Scrum is one of many agile methods. Each SCRUM team is recommended to be not too big. In Scrum practice, features of products are written from the perspectives of end users. Features are known as user stories. The collection of user stories are called product backlog, which is a wish list to make end product great.

Queue and Stack are basic data structure. This post is about implementing Breadth First Search (BFS) & Depth First Search (DFS) using concept of Queue and Stack.

FB released Graph API 2.0 on 4/30/2014 at f8. FB has changed a lot over time and it's hard to keep up. New Facebook App developers may feel frustrating and confusing. If so, you're not along. To develop an app using FB API, before you read FB Developer Quickstart, ready this post first which is supposed to help you get prepared quickly with less confusion.