I am creating a spring boot application using MS SQL server. I have a requirement where I need to initialize USERS table in user_database database using data.sql file placed in /src/main/resources/ folder and rest of the tables should be created automatically in springboot_db database with the help of @Table …
Use Spring Data JPA without Spring Boot application
I wanted to know if it is possible to use the Spring Data JPA without the rest of the spring framework? I used Spring Data JPA in a Spring Boot web application for another project and really liked how easy it was to use. Now I have a little project with some friends for a Desktop application without a server
Multiple sourcesets configurations
I have two productFlavors Now, I created a different source set for ble where I added few extra Java classes. So I have two sets of directories now: app/src/main/java/… app/src/ble/java/… In the ble set, I have a Java class called BLEUtil.java I want to call a method that is in BLEUtil.java from m…
What does each table for quartz scheduler signify?
There are few tables that quartz scheduler uses for scheduling jobs and to identify which job is running currently. It uses the following tables : So what is the purpose of each of these tables and what does it siginifies? Thanks in advance. Answer I had the chance to work on quartz recently. I’m myself…
Reactive WebClient GET Request with text/html response
Currently Iâm having an issue with new Spring 5 WebClient and I need some help to sort it out. The issue is: I request some url that returns json response with content type text/html;charset=utf-8. But unfortunately Iâm still getting an exception: org.springframework.web.reactive.function.UnsupportedMedia…
Java – Creating 2D Array with same size as another 2D Array
I have the following 2D Array: And I want to create another 2D Array with the same size of matrixA, my question is how do I do it with, the same way of an ordinary array, i.e, int[] arrayA = {10, 12, 33, 23}, int[] arrayB = new int[arrayA.length] Can I do it like this, only alocating one array with
How to use strings on java (Android)
I’m working on a project where I’ve defined several strings to use on my project. I want to use a string to be displayed as my subtitle of the page on the toolbar. The reason I’m using strings is because I want my app to be translation supported. Here is how I use subtitles on the toolbar of…
How to count the number of documents under a collection in Firestore?
I am trying to get CollectionReference count that exists on the Cloud Firestore, I have tried to get it with: But unfortunately, I’m getting: Is there is another way to get the count of another way to fix the IllegalStateException? Answer Edit: October 20th, 2022 Starting from now, counting the document…
android.support.v4.content.FileProvider not found
I am trying to upgrade a working old app to support Android API 26, and one of the thing I need to use is android.support.v4.content.FileProvider – but it was not found. Due to the early Android build, the gradle file seems simple. Is it as simple as adding a dependency? I have look around and some sugg…
getting a java.lang.ClassNotFoundException when starting a Docker container
I am having a problem starting a .jar file within a Docker Container. The error message I am getting is: Exception in thread “main” java.lang.ClassNotFoundException: ccinfw.MainApplication I have added information below. Why am I getting this error and how can I fix it? TIA Manifest File ran jar -…