What Java data structure can be used to serialize to the following Json which have a set of child objects? Example: Writing John and Paul can be done by: Map<String,Person> but i cannot figure out how to nest the Child without having the ‘children’ property. Example: I am not sure it is rele…
Trying to retrieve data from Firebase and get this error: SPAN_EXCLUSIVE_EXCLUSIVE spans cannot have a zero length
The database I build an application and I’m trying to retrieve user info from Firebase. After the registration form, I have a new activity where the users need to write their personal info and that information is stored in firebase. Then, in my navigation drawer, I have an activity, called “Accoun…
How to turn off monitor power programmatically in windows 10 if power button is broken
The power button on my second monitor is broken. I’m tired of manually unplugging the cable from the monitor. What do I want is to write a small app (Java, C#, or PowerShell script) that will turn the …
Java Dependency Viewer not appearing in the Explorer Window of Visual Studio Code. Any command to force toggle the view?
I have the Java Dependency Viewer extension configured in my Visual Studio Code and it used to work perfectly fine. But off late, whenever I open up VSCode and try to work on a Spring/ Maven Project, the Java dependency viewer fails to automatically load up on the explorer window (Waited for half an hour at t…
Java – Remove Items From Linked List
I have the following java class with constructor and getters and setters. And also another class, wagon which is used by the train class. I initialise a new train like so: I want to write a method that takes a train as an input, iterates through the wagons, if the cargo attribute matches a supplied string, th…
org.openqa.selenium.ElementClickInterceptedException: element click intercepted error using Selenium and Java in headless mode
I have a project that I am working on with java and selenium. the test work OK in UI mode. However in headless mode I get this error how can I resolve this issue (working in UI mode). this is my code why in selenium there is no operation to move to the element and break all layers. this is
how to clean up generated data binding files?
I’ve got a problem I created the activity and xml files in a git branch. Commit these tasks, and change the branch to do something else. However, when build app, the following error occurred. ActivityDebugUserInfo is the file I created in the previous branch. There is no such file in the current branch.…
running Kafka on WSL and make producer on windows
I’m running Kafka on WSL. I’m trying to make simple producer like this (I’m using intellj) but there’s a problem, when I try to run the code it shows this error i even checked the port on my Windows my question is, is it impossible to make producer on windows and while running kafka on…
Create and Import PKCS12 Certificate In Android (Java)
I am working on an Android app that handles the creation and installation of Client Certificates. I have everything set up and working except for the importing of PKCS12 Certificates into Android using the KeyChain.createInstallIntent() function. Because I need to handle the the creation of PKCS12 Certificate…
Openshift pod not discoverable, timed out
I have three microservices I am deploying in openshift. Service A, B, C. A is a nodejs app, B is a java app and C again a java app. A nd B is exposed to outside world using routers. Both A and B uses …