Authenticating Node.js Applications with Passport

Check out my recent post on authenticating Node.js applications with Passport on Tuts+ here. It assumes a basic understanding of Node.js and Mongo but we start by building an Express application from scratch and add new routes, views & authenticate them via Passport. 

Web Components 101 : Shadow DOM

Unless you've been living under a rock, you must have heard about the latest buzzword in the world of JavaScript - Encapsulation. Encapsulation or Information-hiding is one of the main pillars of object-oriented programming languages which is used to restrict access to some of the object's components. But how does that apply to a language like JavaScript - To find out check out this article I recently authored about Shadow DOM, the underlying technology behind Web components.

Synchronization in Java

Threads are an integral part of the Java language and have evolved largely introducing new ways to synchronize/lock your data but the basics of Atomicity & Visibility remains same, which are essential to understand and write robust multi-threaded applications. I recently authored a post explaining the basics of Synchronization and introducing the various new ways to lock your data. Let me know in the comments if there is anything in that post that does not make sense.

OAuth2.0 for Dummies

Check out my post on OAuth2.0 - the famous access delegation mechanism employed by many big names such as Google, Facebook, Salesforce etc. that eliminates the needs of sharing passwords between applications to exchange data. The post uses Google's OAuth Playground to detail out the communication (authentication and authorization) that occurs between the client and the server when the client is trying to authenticate on behalf of resource owner. It also draws a basic comparison with the earlier version of OAuth - 1.0 and presents a perspective on how things turned ugly when the lead author of the spec resigned !!