Thread programming is a technique that allows a program do divide itself into multiple, concurently executing tasks called threads, which can improve performance and responsiveness by utilising multiple CPU cores…
Category: Java
The programming language Java
How to make API calls in Java
Nowadays, RESTful APIs are used everywhere for fetching data from an external resource. Frankly speaking, the approaches of fetching remote data will not work for all RESTful resources. In other…
How to compile and run a simple Java program relying on dependencies
As you know, compiling or running programmes relying on dependencies without build tools is a headache. I am an old-school guy who loves to test and run any program from…
How did I reduce the deploying time of BioModels?
I have worked with BioModels as an enterprise application for nine years. I don’t remember when deploying times became too slow; it was a nightmare because it took more than…
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…
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…
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…
How to test database connection without using Hibernate ORM in Grails
You will likely encounter a headache problem when bringing a large project to cloud-based deployment development, especially testing the access of databases if you have to request of accessing internally…