I have a thymeleaf page that shows database content (persons) in a table. The last column should be a button that deletes the row. But prior, show a modal dialog with the data being deleted. Question: how can I pass the the full row person object to a modal dialog? I started as follows, but I’m missing how I could
Is there a way in which we can check for presence of data in application.properties file in Spring Boot Project before the tomcat server starts?
I am writing a Spring Boot project to Run a Cloud Config Server and 3 Micro-services to run as a Client. I would want to check availability of all properties in application.properties or yaml file before starting the tomcat server. We already have a similar one for Database Startup Validation, but here I am trying to achieve the same for
Java spring Hibernate : Error when trying to implement a many to one relationship
I am trying to implement a many to one relationship with a user being able to have many posts. The used database is postgresql. The error I have is the following and is caused by Hibernate: alter table post drop constraint FKl1p5mt95jngsghp4vtaw04egh : These are the 2 classes I use : and The error occurs at the initialisation of the
Changing an immutable class in legacy code
I want to replace the (mutable) class class OldValue { private int value; public OldValue(int value) { this.value = value; } public int getValue() { return value; } public void …
Send a 2D Matrix from Client to Server in Java using TCP connection (Socket Programming)
I need to send a 2D matrix from the client to the server-side using the following packages: I have read a matrix from the user and I need to send to the server to perform certain operations on it. How do I send the complete matrix across? I am sending multiple variables and not just a matrix. I am sending
Querying with ManyToOne association results in SQLException
I am trying out a simple use case for many-to-one association with Spring Data JPA but it is resulting in an SQLException. Model is of typical Order and OrderItem classes. Order OrderItem Unit test Unit test passes. But if I uncomment the line to find all items from OrderItemRepository it fails with following exception: What could be missing here ?
Copying Image from URL to HTTP URL
Someone is providing a S3 Presigned URL so that I can upload my images to that link. All my images are on the website. Is there a way in JAVA to copy the image URL to the new URL provided ? I am trying to do this. Seems like an overkill Answer There would be no point converting to BufferedImage
“resource.adaptTo” NullPointer Unit test AEM Sling Model Java
I’m doing a pretty basic Unit test for Sling Model in AEM, so, when I run the test I get the following error: [ERROR] CtaModelTest.testGetText:36 NullPointer This is my Java code, the Model is a very basic Sling AEM Model, I’m using the @ModelAnnotation as follow: Can anyone help me to fix it? Answer It seems that resource.adaptTo(CtaModel.class) returned null.
Java littleproxy mitm: getting response body
I am trying to use littleproxy-mitm to inspect traffic. I have access to the headers and can easily read them. However, I cant find the body of a response consitently. To see if I can get the body I am using this testing my app by visiting https://www.google.com/humans.txt, but the wanted body is no where to be found. But when
The action ‘NAVIGATE’ with payload {“name”:“HomeScreen”,“params”:……”} was not handled by any navigator. Do you have a screen named ‘Home’?
The action ‘NAVIGATE’ with payload {“name”:”Home”,”params”:{“user”:{“id”:”VUUpROQPtKaXVef15e5XhxXNLrm1″,”email”:”anto22e@gmail.com”,”fullName”:”snertp0″}}} was not handled by any navigator. Do you have a screen named ‘Home’? I have this problem when I try to log in or register, I don’t know how to solve it. I have tried several ways that I have found but I can’t find the solution, Thank you! This is all the code