The Daily Programming

In this post, I would like to share my story about external configuration file of Log4J2. I developed a Java web application in WildFly 19 application server. It was my pet project. I followed few strict rules about 3rd party libraries. For example, I did not use log4j2-web library/jar file. It was the challenge because in some workplace you cannot have luxury to get all bells and whistle. You have to accept the situation. Therefore, I took this challenge to use external configuration file of Log4J2 in the web application without depending on log4j2-web jar file. My development environment's logging configuration is not same as production environment. In this case, I do not want to swap between development configuration and production configuration file during deployment.    The above situation can be mitigate by two ways: Use external logging configuration file. User application server specific logging system. For exampke, JBoss/Wi

Today, I merged my brother's coverletter and resume into one single pdf file. How did I merge two pdfs? Hmmm.... Did I buy Adobe Acrobat professional.........Oh no!!!!. I am Linux user. I can do magic. Sorry Windows users..... I am using Linux mint. I have pdftk tool. Type the following command in the terminal to install pdftk: $ sudo apt-get install pdftk Firstly, I renamed my brother's coverletter from "lastname-firstname-coverletter.pdf" to "lastname-firstname-1.pdf" and resume from "lastname-firstname-resume.pdf" to "lastname-firstname-2.pdf" Finally, I ran the following command in the terminal pdftk lastname-firstname-*.pdf cat output lastname-firstname-coverletter_resume.pdf