Author: Mayank Bairagi

Knolx : Into the Domain

Hi all, Knoldus has organized an one hour session on 16th Dec 2015 at 5:00 PM. Topic was Into the Domain. Many people have joined and enjoyed the session. I am going to share the slides here. Please let me know if you have any question related to linked slides.

Spray authenticate directive : A decoupled way to authenticate your API

Organization exposes critical business data or user’s private data through API. It is required to protect API against any unauthorized access, attack or security breach. In this blog I am not going to discuss API security mechanism. Here I want to detailed out the separation of API authentication from underlying RESTful Api. Authentication / Authorization is cross cutting concern and it must be decoupled from Continue Reading

ScalaKnol : Loan Pattern Revisited

Here I am going to modify the loan pattern described in this article “Scala Knol : Understanding Load Pattern” . Let us take an example from earlier blog, we have all used connections to get to the database and then we need to destroy the connection so that there are no leaks. OK, we can use the connection factory but let us assume that we Continue Reading

Effective Git

Knolx Session : Effective Git

Here I am going to explain distributed version control system and how it is better then centralize version control system. I will demonstrate some basic terminology of GIT as well. Knolx master-slides from Mayank Bairagi

Dependency Injection In Scala using Self Type Annotations

Dependency injection is a software design pattern that allows removing hard-coded dependencies and making it possible to change them, whether at run-time or compile-time. Dependency Injection has three kind of software components 1. Dependent or Consumer : Describe what software components, it depends on . 2. Dependencies on which consumer depends 3. Injector also known as provider : Decides what concrete classes satisfy the requirements Continue Reading

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 session. Now the actual problem arise when I used Actor to get concurrency in scala lift application. Actor runs outside of the context of the session that Continue Reading

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. Type class polymorphism from Mayank Bairagi

Empower Scala with Apache Solr

Solr is ready to use enterprise search server. Here I am going to show you how we can use both of them together to empower your scala application with solr. Solr is able to achieve fast search responses because, instead of searching the text directly, it searches an index instead. This is like retrieving pages in a book related to a keyword by scanning the index Continue Reading

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