Spark website provides three options for using a custom log4j configuration for logging. Here I am explaining about the 3rd option
Passing a function to another function as argument in Scala… Read More Higher-order Functions in Scala
One of the many cool features Scala provides over Java is the ability to provide default values for parameters. Such parameters become optional and the callers can invoke the method without providing a value for those parameters. This is useful in cases wherever you overload methods in Java – like constructor chaining, releasing a newer… Read More Optional Parameters in Scala
Learn how to create a MySQL instance in AWS RDS. RDS stands for Relational Database Service which is the DBaaS solution from AWS. It enables you to create database instances in the cloud with just few clicks. Such instances can be made publicly accessible or private so that it can be accessed only by other applications… Read More Creating AWS RDS MySQL instance in 5min
If you are exploring Golang (aka Go) you must have faced some difficulty in understanding the method concepts, especially if you are coming from a Java background which is more statically typed. It gets more complicated when you get into methods with pointers. Tour of Go gives step by step guide with example programs and an environment to edit… Read More Golang functions & methods simplified
Back in 2008, at the LinuxWorld and Next Generation Data Center Expo, Stateless Computing was suggested as the future in Cloud. A stateless application does not rely on the session state of any kind to process a client request. For such an application you should be able to say that, for any request “this request… Read More What is better than State-less?
Quick introduction to AWS Elastic Load Balancer (ELB) and explaining how to set-up an ELB with two web server EC2 instances. The video also shows ELB in action with one EC2 instance failure. Please watch and subscribe to my YouTube channel.
In this video I am explaining how you can launch an EC2 instance in AWS. EC2 stands for Elastic Compute cloud and its the term used by Amazon Web Service (AWS) for their virtual machines. Please watch and subscribe to my YouTube channel.
Here is a video I have prepared which gives you a quick introduction to Virtualization in 5 mins. Please watch and subscribe to my YouTube channel.
The AWS Chief Evangelist – Jeff Barr listed that using of keyboard shortcuts is one of his personal productivity tip. This article says how can you save 8 days in an year by using keyboard shortcuts. I always prefer to use keyboard over mouse and I find its very effective. Keyboard shortcuts are mostly following similar pattern… Read More Keyboard shortcuts