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Rambabu Posa
Sr Lead Java/Scala/BigData Developer
Sr Lead Java/Scala/BigData Developer
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Scala Naming Conventions
NAMING CONVENTIONS Generally speaking, Scala uses “camel case” naming. That is, each word is capitalized, except possibly the first word: UpperCamelCase
lowerCamelCase Underscores in names ( _ ) are not actually forbidden by the compiler, but are strongly d...

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Im authoring this book: Scala Reactive Programming
Dear Friends, As you know, I have shared many tutorials to you on Java and Scala related technologies through the following websites/blogs: www.journaldev.com www.tutorialspoint.com   www.javapapers.com www.mkyong.com I got fantastic response from you and t...

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Know version in Ubuntu Linux: Java, Scala,Docker, Python, Sbt
In this post, we will discuss about how to know the current version of your installed software in Ubuntu Linux. Let us discuss about the following softwares now: How to Java Version: ram:~$ java -version java version "1.8.0_121" Java(TM) SE Runtime Environm...

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Github: How to keep Your Forked Repo Up-to-Date?
Sometimes, when we don't have "write" access to your working repository, we cannot create a new branch to apply your changes or we cannot push our changes to master. We cannot create PR (Pull Request) to review your changes by peers. In this case, we cannot...

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Install Firefox old version in Ubuntu (Linux)
Sometimes, we need to use old version to test some kind of testing like Acceptance tests, Performance tests, Browser Stack Testing etc. My Linux system has default latest version of Firefox 55 and my automation tests required Firefox version 45. In this cas...

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Play 2.6.x: Joda DateTime Format not working
In Play Framework 2.6.x, Joda DateTime Format (that is READs and WRITEs) is not working. When we use something like below: (JsPath \ "joiningDate").read[LocalDate]  We will see the following error message: No Json deserializer found for type org.joda.time.L...

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Linux: Know PID running at a specific port number
To know the process id which is running on a specific port number $ sudo netstat -nlp | grep :1212    tcp6       0      0 :::1212        :::*   LISTEN      21341/java  $ lsof -i  It displays the information of all currently running process like PID, port nu...

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Activator will be EOL-ed on May 24, 2017. We’re making it easier and simpler for developers to get started with Lightbend technologies. This unfortunately means that future releases of Play, Akka and Scala will no longer include Activator support, and Light...

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Akka 2.5.0 Framework Features
Akka 2.5.0 Released! we—the Akka committers—are proud to be able to announce the availability of Akka 2.5.0. Since the release of Akka 2.4.0 (already 18 months ago) we have incrementally added many new features to the 2.4.x release series, including Akka St...

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Play Framework 2.5.13 New Features
Play 2.5.13 “Streamy” #7040 : Add @helper.repeatWithIndex(…) helper #7033 : Fix XHTML mime type #7013 : Add note to Migration25 about Lucidchart blog #6966 : Fix documentation code NPE #6954 : Update Typesafe Config to 1.3.1 #6934 : Update docs with more in...
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