I’m trying to get artist’s name from a song in my listview on click of a button but i’m getting this And here is my code How do i print it normally, only once? Answer Your listener will be invoked when any of the metadata change. Since you’re only interested in when the artist changes, and is changed to a
Tag: java
Change node values to their heights in a binary tree
My task is to change the values of nodes to their heights in a binary tree. By the condition of the task, you need to change all the values in 1 pass of the tree, but you can violate this condition …
Spring boot cannot connect to postgre database deployed on another kubernetes pod
I deployed my microservice hello-k8s in a pod and another pod as postgre-server, I have successfully connected to localhost using port-forward and try to create a table in the deployed database. But when I deploy hello-k8s it return error due to database connection attempt failed. Disclaimer: kube-dns is working fine, I already try nslookup to the postgre-svc and it works
Displaying an ArrayList alphabetically
I have a class written that takes a string, counts the occurrences of each letter within the string and then prints the occurrences of each. I want this to be displayed alphabetically, but not sure …
What are the minimum requirements for Spring JPA
I am trying to setup a simple Spring JPA connection with Docker-Compose. This is my docker-compose.yml: My pom.xml looks like this: I’m used to see Spring trying to connect to a database before starting anything. I set up some temporary Repositories to make sure it had some Entities to work with. The logging looks like this: What do I need
How can I shuffling images using Java NetBeans
So, I design 12 labels and 1 button, and I have a folder contains 12 images; my question is how can I make auto images shuffle from the folder to the 12 labels each time I press the button?? …
In what domain is there a single instance of a Java singleton?
By definition, there can be a single instance of a Java singleton class. Except of course when there’s obviously several, including the same code running on different physical machines, virtual …
Adapter doesn’t show product image and price from Firebase Realtime Database
I am trying to retrieve data (a product image and the price for it) from Firebase Realtime Database and put it in a recyclerView, but I have some difficulties. In my database I stored the image url for one product and I want to show that image in an ImageView component placed in the cardView. I also managed to retrieve
Insert embeded document without reading whole document – spring, mongo
I have this factory collection : @Document(collection = “factory”) public class Factory { Private List products; } which embeds the Product as products. When I have to add a …
Using 0 as Primary Key
I use lookup tables commonly and sometimes I have some default record in the Lookup table and I think for this record I can use 0 as Primary Key a as shown below: Project: By doing this I can start from 1 for the actual project values (A, B, C…) and on the other hand I can easily distinguish general/default