say I desire to collect a list of doubles[] from a lambda function, I have created the following example, however it do not compile given the type. What could I do as a workaround? Here is the compilation error: As an attempt I have tried the following However it prompts this compilation error: Moreover I hav…
Tag: java
OpenAPI generated classes and applying JsonView for the generated classes
I’m using OpenAPI to define my api and resources and the classes are auto-generated. I’ve been looking for a way to have a single model and multiple representations so am looking at JsonViews or Filters. Is there any way to add JsonViews to the properties of the generated model classes ? I haven&#…
Should an interface extending another interface specify overrides?
Or in particular: What is the difference between and Does it effect the implementing class in any way? Answer No it should not. The class that implements interface B will still have to provide an implementation of void fa(); regardless whether interface B annotates the same method signature with @Override or …
Kafka Streams: java.lang.IllegalArgumentException: Data should be null for a VoidDeserializer
I am working through my first sample of Kafka Streams: When I attempt to run it I get this error: This is a sample message from the “users” topic: Value: Header: Key: What should I do to avoid this problem? Answer If the key actually has data, you shouldn’t be using Serdes.Void() or KStream&…
Bean that could not be found Spring Boot
I have a problem when trying to start my Spring Boot application with tokenization. This is my service class: This is my config class: And I get the following error when I try to run my Application: I dont understand why i get this error. Answer I solved it. The problem was that the package where the config l…
Trying to understand the saving of changes to a Word doc from Apache poi
I have a Word document (docx); I want to make changes to that document and save the result as another file, leaving the original in place. I have the following code illustrating my current problem: There are three ways I’ve run this, changing commented lines at the bottom of the class file. As you see, …
How do I fetch a JSON array from PHP to my java code?
My JSON response is like this: Now, I want to add each of the array items into my spinner: All my spinner items are in double quotes(“”), which I don’t want. I want them in object format. How do I fix this? EDIT: Tried the following code: Now, my spinner is completely empty!! Answer Your sec…
Cant convert between a TensorFlowLite tensor with type UINT8 and a Java object of type [[F (which is compatible with the TensorFlowLite type FLOAT32)
I’m trying to run a Tflite model on android, with flutter but i’m getting this error- E/AndroidRuntime(18461): Caused by: java.lang.IllegalArgumentException: Cannot copy to a TensorFlowLite tensor (serving_default_sequential_5_input:0) with 150528 bytes from a Java Buffer with 602112 bytes. E/Andr…
How exactly does return statement work in recursive function?
I’m having a hard time approaching any binary tree questions and most of them are recursive, so I decided to detour and start from the basics again. This is basically the pre-order traversal list. I’ve identified two ways that can give me the correct results if there is at least 1 node, but I̵…
Can you Display an image that is part of firebase database on Android Studio?
I want to display my firebase database but I want each entry to have an image attached to it. Is it possible to have the variable type “Image” in my Exercise Class? If so how would display it when I run it on my app. I can display all the Strings but when I tried to display the images it