Groovy has a built-in method on the List type to return a view of the portion of a List object between the specified fromIndex, inclusive, and toIndex, exclusive. The method…
Category: Java Techs
Java Technologies such as J2EE, JEE,…
How to ignore top rows in CSV or TSV files
Working with CSV or TSV files, we often ought to ignore the header row (aka. the column headers) before reading the rest of the file. To strip out the first…
Working with the Grails Database Migration Plugin
In this post, I want to share with you some experience you might find useful for your projects when working with the Grails Database Migration plugin. Brief information of the…
Java Remote Debugging
https://itnext.io/remote-debugging-spring-boot-on-kubernetes-a5f96a40e5c0 https://medium.com/swlh/remote-debugging-a-java-application-running-in-docker-container-with-intellij-idea-efe54cd77f02 https://www.youtube.com/watch?v=OmQU1p0wQmY&t=608s https://blog.christianposta.com/kubernetes/java-remote-debug-for-applications-running-in-kubernetes/ https://medium.com/swlh/remote-debugging-a-java-application-running-in-docker-container-with-intellij-idea-efe54cd77f02 https://docs.oracle.com/javase/8/docs/technotes/guides/jpda/conninv.html#Invocation
Optional Parameters in Java: Common Strategies and Approaches
Recently, I have written an introduction of default arguments in C++. Now, we are aiming to work with default parameters in Java to see what are similar and different. I…
Deploying a Grails App in a standalone Tomcat Docker container
Recently, I have written the post to keep how to dockerise Grails apps with an embedded Tomcat. However, we are entirely able to run Grails apps in a standalone Tomcat,…
Dockerising Grails applications with an embedded Tomcat
The applications built on the Grails framework can be run (often referred to deployment) on either standalone or embedded Tomcat. Grails applications can be deployed in a number of ways,…
How to create a temporary file to store data
Your application has to write data out in a temporary file to reprocess them before rendering to users. The file will be created temporarily and swept our when the application…
Fastest way to get the first n elements of a List or an Array
Which is the fastest way to get the first n elements of a List or an Array? Let’s give a context where we want to extract some first elements from…
An annoyed error needed to be paid more attention when using RestBuilder grails plugin
In the previous post about consuming web services in Grails using RestBuilder grails plugin, I explained how to set up a call to the remote service provider. However, I have…