Extract a frame image from video in scala

Sometimes it becomes a general requirement to show the preview of a video wherever video gets displayed. Like on YouTube , If you’ll right click on almost any video , you’d find that each video contains a preview image of a frame of that video. 


Here is a…

Scala lift : Access Session Information In Actors.

Problem: In Scala Lift Application. There are two ways to maintain and access the session information. Either we can use SessionVars or net.liftweb.http.S object. Each of them work significantly well until there are used in the scope of…

SICP Chapter 1 Solved with Scala

Ok, let us get the facts right. We have not provided solution to each exercise but the solutions that we have provided would be good for you to understand the concepts. It would also help you realize how efficiently we can use higher order functions in Scala.

ScalaKnol: Understanding Loan Pattern

Loan Pattern as the name suggests would loan a resource to your function. So if you break out the sentence. It would

• Create a resource which you can use
• Loan the resources to the function which would use it

Working With Elasticsearch In Scala

Elasticsearch is an open-source, restful, distributed, search engine built on top of apache-lucene. You can read it more on their website.

We have an application built in scala with sbt as our build tool. Now we required to have a search…

Type Class Polymorphism in Scala

In this Knowledge Session I will going to discuss about different ways to achieve polymorphism in scala. Here will focus on decoupled and ad hoc polymorphism. 
[slideshare id=15401757&w=427&h=356&sc=no]

Type class polymorphism from Mayank Bairagi

Knolx Session: Data Structures In Scala

This Knolx session we went about discussing data structures. I talked about simple data structures like Queue and Binary Search Tree and their possible implementation in Scala. The idea was to know about a bit of Functional data structures and their…

ScalaKnol: Understanding Traits as Stackable Modifications

Traits can be used to modify the methods of a class. The way such modifications are carried out is such that they can stack modifications with each other.

ScalaKnol: Understanding Uniform Access Principle

The ScalaKnol series attempts to share a nugget of Scala wisdom every few days or sometimes few times a day. Keep tuned. Today we would look at the Uniform Access Principle.

Play with Lift’s Autocomplete Widget using Scala-One of the Best Feature of LiftWeb Framework

The AutoComplete widget provides a flexible and accessible way to offer suggestions or some kind of filtering information as a user type text information in an input…