louie171 Recently I wanted to use my Java Tomcat Docker image on AWS to run a spring boot app. I looked at the various ways of setting this up ECS (Elastic Container), and found it to be a load of hassle ( for what I needed , I don’t need Kubernetes style functionality , just a … Read more
We need to control access to shared state ( when multiple threads are at work ), to avoid unexpected results. In the case of the program below the shared state is the int sheepCount. 10 different threads call the method incrementAndReport() . Without thread management public class Ch18SheepManager { private int sheepCount = 0; private … Read more
Just a very quick tutorial on how to create a dropdown (like a drop down menu), so that when you expand the dropdown the space below it isn’t pushed down. Like this (all the Other actions below contain a drop down menu – see next image) When I expand one of the menus I … Read more
Just a quick note on how this works. I wanted to stick a div against the right of the page ( with abit of fixed positioning ), then rotate it so it was 90 degrees (sitting nice and flush against the right). But when I did it ( just with rotate it rotates about the … Read more
Easy way if poss: its easiest if possible to just create the project on github first (remember to tick the checkbox to create a readme.md file ). In the options you can even select a relevant gitignore file so it will ignore relevant stuff based on your stack ( eg spring boot, wordpress or whatever … Read more
I’m revising for the OCP (Oracle Certified Professional Java Programmer ), and running over Lambdas at the moment. In tutorials I see many of them seem to focus on what they are , what they do , streams etc. Not much on how they can be used to improve code ( and making less Class … Read more