In Firebase Realtime Database on Android, I want to retrieve this id “-Mb1sSv-FCNr9ElxZIwN”. Answer It looks to me that KAsr … dhz1 is the user ID that comes from the authentication process. If so, that UID should also be added to your reference. So to be able to get this id “-Mb1sSv-FCNr9ElxZIwN”, please change the following reference: To: Meaning that:
Composition or Inheritance for classes with almost similar implementations but different input and outputs for methods?
I have the following classes, which have quite similar method implementations. Only the classes’ method inputs and outputs seem to be of different types. When I put it like this, it sounds like a case for inheritance, however, the fact that the inputs and outputs are different and are related to two lambdas, make me wonder if they should remain
Dagger Hilt –Error: annotation @AggregatedRoot is missing a default value for the element ‘originatingRoot’–
Im using Dagger Hilt in my project and its not compilating. Checked everything in manifest and project files and have no idea what is happenning :/ EquipmentsApplication Cass Main Activity Manifest File Answer For some reason my versions of the implementation were not matching Old Version Rolled back to
Search Suggestions System
Below is the problem statement and below it , is my solution using TrieNode Data structure but My ans is wrong and i am not able to understand where my code gone wrong , please help …… Given an array of strings products and a string searchWord. We want to design a system that suggests at most three product names
Corda: How to use the AndComposition with a VaultCustomQueryCriteria
I use a RPC client (Java Spring Boot application) to connect to a Corda 4.6 node. I want to run a custom vault query with the following query criteria: This is very similar to the example from the Corda documentation. However, I just retrieve UNCONSUMED states. What could go wrong here? The following snippet is working, but I need an
Predicate alternative in Kotlin
I try to create lambda in Kotlin. I has following Java interface: And in Java I can return new Specification from method like: And with Java 8 I can cut it to labda like: How to do it in Kotlin with lamba? I already tried many options, but they do not compile. help please. Update: Last option in Kotlin: It
Random search on an array of size N
I need help fixing my code below. I want to do a random search on an array of size N. Random search randomly picks up an integer from arr to compare. And the process repeats until the integer it is looking for is found (again it is remarked that the membership is guaranteed, otherwise random search obviously can enter an
Java – rounding double to 2 decimal places
I know this question has been asked many times but I’m stuck and I don’t know what the correct solution should be. I’m writing a program and there’s a lot of numbers multiplication. The result must be …
Exception in thread “main” java.lang.ClassCastException: www.logisense.com.pogos.wizardNewProduct.ProductWorkingDates cannot be cast to java.util.List
I’m trying to convert Object to JSON, I have the following POGO classes: import lombok.Data; import java.util.List; @Data public class CreateNewProductRequest { private List<…
VMM how to find or fetch VMM entity attribute mapping / attribute names
Starting point: I have a WebSphere with federated security (there is an Active Directory behind it). I am trying to fetch a VMM user uid by his/her email address, but I a don’t know how it’s VMM (schema) attributes are mapped to the AD (schema) attributes of the underlying Active Directory entity (person, organizationalPerson objectClass, mail attribute. (By describing it