I added a feature based on the Codelabs tutorial from Google (https://codelabs.developers.google.com/codelabs/sceneform-intro/index.html?index=..%2F..index#15) which allows users to take photos of AR objects that were added into the scene. The code works fine, however, I wish to hide the PlaneRenderer (the wh…
How Do I Make Sure Only One JRadioButton Is Selected In Java?
I have three JRadioButtons added to a JPanel. However, when I select one, I can select another one and the previous one selected stays selected. How can I make sure that only one is selected at a time? My JPanel class, which is added by my main JFrame: Answer As you didn’t share the complete code i can&…
How to build cordova project with Kotlin
I have a cordova project folder www already in progress. Build this and you will have an Android project. This will create a MainActivity.java file. I don’t know Java so I changed the file to MainActivity.kt and converted the internal code. But when I run it, it doesn’t run as error. Build cordova…
How to use WireMock’s response template in JUnit 5 Tests
I’m trying to use the Response Templating feature of WireMock, but it does not seem to work with the sample piece of code provided in the docs. This is a sample piece of code: Expected Output: Tests should pass. (meaning the {{request.url}} should be substituted with /test-url as a result of template re…
I have a problem whith adding a Container in a JFrame
I am a student in informatics and beginning in Java, I want to create a project which will allow me to make a calculator. I am encountering a problem which is the following: I want to add Container in my JFrame with add(contenu), but it gives me the following warning : I don’t understand why this proble…
java.lang.RuntimeException: Parcelable encountered IOException writing serializable object (name = [[Landroid.widget.Button;)
I am coding a sudoku solver app. However it keeps crashing for some unknown reason. When I try to debug the app, I don’t get a specific line that tells me what it is in my code that makes it crash. However, I see that it goes through the entire solverActivity class without crashing and shows the correct…
String anagram in Java
i am trying to create a program for string anagram that follows these conditions: method should allow only letters, white space, commas and dots in an anagram. If there are any other characters, then the string cannot contain an anagram. The method should ignore all white space, commas and dots when it checks…
Scanner TypeAnnotationsScanner was not configured, when used from a referenced library
I have a class which uses org.reflections.Reflections to get annotations in classes in the class path. When i use it in the same project everything works fine, but when i export it as a JAR and refer it in a different class i get the below execption: Here is the code snippet: I do provide a TypeAnnotationsSca…
How to secure an API REST for mobile app? (if sniffing requests gives you the “key”)
It’s probable a newbie question but I’ll try to create an interesting debate. I know there are some authentication methods for API Basic Authentication, API Keys, OAuth 2.0 … all of those methods add a header or a formData param in the request. Although you use SSL, it’s “usually…
Sort Int array using lambda java 8
Just to understand Lambda better I have a array of integer like below – I want to sort the array using Lambda function of Java 8. I have used Arrays.sort(arr, Collections.reverseOrder()); but I want to sort it using Lambda of Java 8 any detailed explanation would be appreciated. Answer Arrays#sort requi…