Author Archives: Ayush Mishra

About Ayush Mishra

Ayush is the Sr. Software Consultant @ Knoldus Software LLP. In his 5 years of experience he has become developer with proven experience in architecting and developing web applications. Ayush has a Masters in Computer Application from U.P. Technical University, Ayush is a strong-willed and self-motivated professional who takes deep care in adhering to quality norms within projects. He is capable of managing challenging projects with remarkable deadline sensitivity without compromising code quality. .

MeetUp on “BlinkDB and G-OLA: Supporting Continuous Answers with Error Bars in SparkSQL”

Big datasets are growing exponentially, but our needs to get quick interactive responses to our queries remain ever as important. This talk will feature an overview of various components in BlinkDB and introduce a new generalized online aggregation (G-OLA) paradigm … Continue reading

Posted in Scala | Tagged , | Leave a comment

MeetUp on “An Overview of Spark DataFrames with Scala”

Knoldus is organizing an one hour session on 18th Nov 2015 at 6:00 PM. Topic would be An Overview of Spark DataFrames with Scala. All of you are invited to join this session. Address:- 30/29, First Floor, Above UCO Bank, Near Rajendra … Continue reading

Posted in apache spark, Spark | Tagged , , , | Leave a comment

Easiest Way to connect with Couchbase using Scala

In this blog, we have explained how easily we can connect with Couchbase, store and fetch data  using scala through an example. Tools and technologies used : SBT 0.13.8 Scala 2.11.6 Couchbase Server 4.0 Beta Eclipse JDK 1.7 Please follow below … Continue reading

Posted in couchbase, NoSql, Scala | Tagged , | 5 Comments

Easiest Way To Insert Scala Collection into PostgreSQL using Slick

Few days ago, I had a scenario, in which I had to insert scala collection into postgreSQL using Slick. My postgreSQL table has some columns with data types such as Arrays, hstore  etc.. I tried to do this using slick, … Continue reading

Posted in Scala, sql | Tagged , , , | 4 Comments

How to Implement Cross Cutting Concern using AOP in Scala

In this blog, I have explained that how easily we can implement Cross Cutting Concern such as logging using Aspect Oriented Programming in Scala. These concerns have nothing to do with core business logic. Aspect Oriented Programming is used for … Continue reading

Posted in Agile, Java, Scala | Tagged , , | 4 Comments

How To Implement logRequestResponse in Spray

Spray has the feature to log request and response of every route through logRequestResponse. We needn’t to add log in each route because it could be done from a single place. This also helps to maintain clean code. Please see … Continue reading

Posted in Agile, Akka, Scala, Web | Tagged , , , | 3 Comments

Building Reactive applications with Akka

Knoldus organized a Meetp up on Wednesday, 29 Oct 2014 at 5:00PM. Mr. Nilanjan Raychaudhuri from Typesafe presented this session on “Building Reactive applications with Akka”. He did the session remotely from Germany and it was very well accepted by … Continue reading

Posted in Akka, Reactive, Scala, Tutorial | Tagged | Leave a comment

Easiest Way To Map Optional Nested Case Class with Slick in Scala

Few days ago, I had a scenario, in which I was supposed to map optional nested case class in slick using Scala. I was trying to do this mapping the way, I have explained below. But I was getting below … Continue reading

Posted in Java, Scala | Tagged , | 2 Comments

Solution for Riak 500 Internal Server Error

I am new to Riak and learning it. Few days ago, I got 500 Internal Server Error exception while inserting data in a Riak bucket. It was weird because I was able to insert same data in different bucket. I … Continue reading

Posted in MongoDB, NoSql | Tagged , , | Leave a comment

Weather Information System using Scala.Js and HTML

Scala.Js- a Scala to JavaScript Compiler. If you are developing your web application in Scala, you don’t need to sacrifice JavaScript interoperability. You can write your web application entirely in Scala. We have created a simple application “Weather Information System- … Continue reading

Posted in Agile, CSS, JavaScript, Scala, Web | Tagged , , , | Leave a comment