1 comment on “One-way & two-way streaming in a Lagom application”

One-way & two-way streaming in a Lagom application


Now a days streaming word is a buzz word and you should have heard many types of streaming till now i.e. kafka streaming, spark streaming etc etc. But in this blog we will see a new type of streaming i.e…

1 comment on “A Java Lagom service which only consumes from Kafka topic (Subscriber only service)”

A Java Lagom service which only consumes from Kafka topic (Subscriber only service)


Subscriber only service means an application which only consumes, does not produce. We have generally seen the applications which both produces and consumes data from a Kafka topic but sometimes we need to write an application which only consumes data…

1 comment on “What to do for overriding the PureConfig behavior in Scala ?”

What to do for overriding the PureConfig behavior in Scala ?


PureConfig has its own predefined behavior for reading and writing to the configuration files, but sometimes we got the tricky requirement in which we need some specific behavior; for example to read the config. It is possible to override the…

1 comment on “Deep dive into PureConfig types in Scala”

Deep dive into PureConfig types in Scala


Folks, I am back with some more exploration on PureConfig. This time we will talk about the types. For types, we have following two things to discuss: New supported types Override behaviour for types In this blog, we will discuss…

4 comments on “A better way to load configuration of certain types with PureConfig in Scala”

A better way to load configuration of certain types with PureConfig in Scala


In this blog we will discuss about the better way of loading the configuration of certain types. Now a days we use typesafe config for the same purpose. PureConfig also uses typesafe config internally but also provides the better way…

0 comments on “Apache Spark : Handle null timestamp while reading csv in Spark 2.0.0”

Apache Spark : Handle null timestamp while reading csv in Spark 2.0.0


Hello folks, Hope you all are doing good !!! In this blog, I will discuss a problem which I faced some days back. One thing to keep in mind that this problem is specifically related to Spark version 2.0.0. Other…

0 comments on “Apache Spark : Spark Union adds up the partition of input RDDs”

Apache Spark : Spark Union adds up the partition of input RDDs


Some days back when I was doing union of 2 pair rdds, I found the strange behavior for the number of partitions. The output RDD got different number of partition than input Rdd. For ex: suppose rdd1 and rdd2, each…

1 comment on “Compile & load an external scala file in your application”

Compile & load an external scala file in your application


Some days ago, i got a requirement that i need to load an external scala file in my Scala application and have to use that. To use that file, it needs to be compile first and then can be used…

2 comments on “A basic application to handle multipart form data using akka-http with test cases in Scala”

A basic application to handle multipart form data using akka-http with test cases in Scala


In my previous blogs, I have talked about file upload and its test cases using akka-http. Now, in this blog I am going to explain the handling of multi part form data in akka-http with the help of a basic…

4 comments on “Test cases for file upload using akka-http in Scala”

Test cases for file upload using akka-http in Scala


Hello folks, In my previous blog, i explained how to upload a file using akka-http in Scala. Later, i got the queries about the test cases for the same. Therefore, in this blog I am going to explain the way…