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Pi4j to use java with raspberry Pi not working

I am honestly about to just give up, i’ve tried so many different possibilities, for multiple weeks now, almost a month, of multiple problems. I am a new-ish programmer, especially with java, but i have a good understanding about java I am able to create a maven project no problem, i have no problems with the structure of java itself,

How to parse array inside json object in android java?

how to display array data in json object if the json data is like below. I want to display array data of Ingredient and step. This is the full API Address that I want to fetch the data https://masak-apa-tomorisakura.vercel.app/api/recipe/resep-nasi-bakar-ayam I’ve tried several ways but I can’t find how to implement it properly. this is my json model. This is the

Java awt draw elements around a circle

I’m currently writing a little game and I came over a problem. I need to draw 64 small circles at the border of a big circle. So I want something like this: I’ve already tried many things, but they didn’t worked. How can this be done in java, using the java.awt.Component#paint() method and the java.awt.Graphics class? Thanks. Answer So, your

Struts2 – How to repopulate form having dynamically generated fieldnames (via expression) with submitted values after validation error

We have a Struts2 application where we are building survey feature using which application users will be able to create surveys by adding different questions. These questions are comprised of question text and an html control for getting response. The html controls so far supported are single and multi-select list, text field, textarea, checkbox and radiobox. So the survey form

spring security hasAuthority(“SCOPE_xxx”) method not working with spring authorization server version 0.2.0

I have created an authorization server using the new spring authorization server module. I am able to get the token successfully but when I try to use the token against a protected endpoint with hasAuthority() I get forbidden 403 error. Below my pom.xml file Below is my Authorization Server config And this is my Security Config Here is my user

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