My goal is to draw and animate 2D UI elements on the screen. The problem is, I’m not exactly sure how I can animate it without taking up a lot of space doing so. This is what my method would look like to draw a red rectangle at 0, 0 with a width and height of 50 Now, what I
Tag: java
How to SupressWarnings for Sonar Security Hotspots?
I’m getting a Sonar CSRF Security Hotspot complaint on a Spring Boot code with Spring Security enabled that needs to be reviewed every then and now, and I would like to suppress the hotspot from the code as in @SuppressWarnings(“squid:x”) sonar.cpd.exclusions sonar.coverage.exclusions but as…
How to search in firebase database
I’m trying to filter the data from my database using this code: My database is like this: While the code works, it only returns the first value that matches the query and doesn’t fetch the rest of the data even though it matches. If I put a “T” as my search query, I just get the first …
Heroku SprinBoot Deployment is sucess but Status is 503 Service Unavailable
Hi I am trying to deploy a Spring Boot Application to Heroku. The build is a success but when I try to run the app I get a Status 503: Service Unavailable Error. I referred a similar post Application Error after a successful deployment at Heroku but this didn’t helped me. Here is my pom.xml 4.0.0 org.sp…
Method annotated with @Bean is called directly – function calling a bean in a @Service class
I just get an error over and over inside the function “save” that is saying: “Method annotated with @Bean is called directly. Use dependency injection instead.” when calling “passwordEncoder()” in this line user.setPassword(passwordEncoder().encode(user.getPassword())); Wha…
Why does calling CompletableFuture::cancel cause an immediate CancellationException
I am trying to call cancel on CompletableFuture. It seems from the docs: If not already completed, completes this CompletableFuture with a CancellationException. Dependent CompletableFutures that have not already completed will also complete exceptionally, with a CompletionException caused by this Cancellatio…
Android Colors in Dark Mode
Hello fellow developers. I’ve developed and Android App using Android Studio, but I only took into account the layout themes for light mode. Here’s how it looks: So now, when I switch my phone to dark mode, this happens: How can I change the colors that are being displayed in dark mode? Answer In …
Scrape currency exchange data from https://uzmanpara.milliyet.com.tr/doviz-kurlari/
I need get the currency data from website, here the website HTML table code: I wrote these code but I could not handle the code: But I got this problem: Exception in thread “AWT-EventQueue-0” java.lang.NullPointerException: Cannot invoke “org.jsoup.nodes.Element.attr(String)” because &…
“illegal character” error when using hibernate-jpamodelgen in Spring Boot
When I add the above dependency and compile my project, I get an “illegal character” error for Turkish characters. My problem is same as here but I didn’t understand how to solve it in Spring Boot. I tried the solutions but they didn’t work. I would be glad if you help. Answer Days lat…
why Spring tool suite IDE shows error message as “JVM terminated. Exit code=127”
I tried to install spring-tool-suite 4.1(64 bit) on Cent OS-7, when i try to run installer, it shows message like “JVM terminated. Exit code=127” I have a latest 16.0.2(64 bit) JDK version, Edited the .ini file with correct jdk path, but still it shows the same error message I faced the same probl…