I have created an Options menu with JavaFx and styled it with CSS. I have used FXML for designing the options window. In the options window, I have created a label at the top and given it ID “title”. Following is my FXML code and CSS code: FXML for Label: The problem with my output is that the label should
Category: Questions
Java Time: LocalTime (UTC) to ZonedTime (-05:00) not displaying correct hour
I’m new to using Java’s built in time API. I’m trying to fetch the current time in UTC, and I want to be able to convert that into the timezone of whoever is running the program. Right now I have this code: However, this prints out: It appears to be fetching the correct timezone, but it’s not applying it to
Java concurrent programming – endless loop
I am reading the book Introducing Play Framework: Java Web Application Development (ISBN 978-1-4842-5645-9) and there is this example on Callable: My question is, if the computation of the Future throws and exception, will the while loop run forever? In my opinion, yes, it will loop forever. First, if the Future computation throws an exception, then future.isDone() always evaluates to
.antMatchers(“/swagger-ui/**”).permitAll() error 405
I am impemeting swagger 3 in my APIREST but wne I try to access to this link http://localhost:8080/swagger-ui/, a 405 error shows up. This is the code in my ConfigClass: And this is the dependency in the POM.XML: Can someboyde help me, please? Answer You might be doing a PUT call for GET operation Please check once.
Why is this input an invalid format for Joda-Time PeriodFormatter?
I am trying to convert strings like 1h 30m 5s or 5m or 38s or 1h 3s into an integer value representing total time in seconds. So for example, 1m 20s would result in an integer value of 80 for 80 seconds. I am using Joda Time: Throws an IllegalArgumentException with practically every string i pass in, saying “Invalid format”.
Moving character efficiently on a row
Given input (items = 6, position = 3) creates a row of 6 items and a character positioned on item 3 {0,1,2,[3],4,5} A call to left() moves the character two positions to the left and the item at position 3 is removed {0,[1],2,4,5} The next call to right() moves the character two positions to the right and the item at
Extraneous input ” expecting {‘ ‘, ‘} – Antlr4
I have a text file which am parsing through antlr4. Text format Grammar Rules I get this What am i doing wrong and how could i make these rules better? Answer Your example input get properly parsed if you start with the init rule: prints: which looks like this indented: My guess is that the error you’re getting is produced
How to disable date auto update/correct/adjust in Java?
Im trying to check the format of the Date. Implementation: Get Date format yyyy-MM-dd then if i input beyond month 12 and day 30 or 31 depend on the month it must show error. The pattern will work if I manually setup a date in String, but the date must come from Date to String but the Date will auto
Jax-rs annotation Path is not work in java spring boot?
I have spring boot application with starter version 2.1.16, and spring-boot-starter-web dependency. So, i want use javax.ws.rs-api library, and add dependency: So when i create controller, and add @Path, @Get – i don’t get answer from the server (404 not found). How makes it work? Answer Add the following dependency in your pom.xml if you use spring boot starter version
Error while querying tables using hibernate
I am trying to query a table called student in MySQL. This is the structure: Here is the java code which I use to query: This is the error message: Here is the image of the referenced libraries: Insertion into table is working correctly. Only querying isn’t. What is the error here? Please comment if extra information is needed. UPDATE: