All posts by Ravi Ranjan Kumar

secure ASP.NET Web API using token based authentication

How to secure ASP.NET Web API using Token Based Authentication

Introduction : Whenever we work on enterprise level application either application based on web or windows platform the first biggest concern comes in our mind is its security. When the requirement is to expose our business services to the client then securing those services is

Validation Of Viewstate MAC Failed

How to solve Validation Of Viewstate MAC Failed error in ASP.NET

If you are looking solution for one of the weird error “Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.” I

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How to allow only number input in your code using C#

Being coder, we often have different challenges to write code to accomplish a task based on some exact requirement. Here we are going to learn how to allow the user only to write number not other characters like “a/A to z/Z” and other special characters

My Personal Experience with edX

First, for anyone who might not yet aware about edX. I am going to give some brief introduction about “edX”, edX is an organisation or the online learning initiative founded by Harvard University and the MIT(Massachusetts Institute of Technology), that offers online learning of university

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Got my edX Certificate in Software As A Service.

wow! it feels good to have edX certificate in SAAS(Software as a Service). Enrolled in edX for SAAS(Software As a Service) CS169.1X. Learned Agile techniques, Cloud development & deployment. Getting affection with Ruby and Rails. Completed Quizzes & plenty of tough assignments. Now Got Certificate. 🙂

Received my CodeProject MVP Certificate

I have been awarded by CodeProject as a MVP 2012. Today I received my certificate from CodeProject. have a glimpse at my Certificate So, Many Thanks to my friends, peers, CodeProject Team members and all who support & teach me to grab to this opportunity..

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Code project Most Valuable Professional (MVP) – 2012

Now I am Code project MVP-2012  🙂 It’s a great day for me. Today mid night around 1:40 AM I got a email by Chris Maunder to saying that I have been awarded as a Code Project MVP-2012.. Its my 1st Code Project MVP award

Multiple Main Method in C#

In this article we will know how to handle a program with more than one entry point. All of us know the basic programming concept that is one program allow only and only one entry point i.e A Main Method. This is what normally expected.

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Myths about FileName Should be Same as Class Name in Java

This is a very important session for us to know about the myth of File name in Java. When I started to learn Java I got that every book, resources and even most of the web blogs stated that we should keep the “name of Java