Lightning Web Component has the ability to pass data from parent component to child component, but sometime you might need value change handler in child Lightning Web Component when the value is passed from parent Lightning Web Component.
Adding or Removing rows DYNAMICALLY in Lightning web component
Are you looking for adding or removing rows dynamically in Lightning Web Component to create records or do something else?
Directly Navigate to Lightning Web Component without Using Aura Component
Lightning Web Component framework allows you to navigate to Lightning Web Component from another Lightning Web Component using Using PageReference Object of Lightning Component Type(Works
Navigate to lightning web component from Another Lightning web component
Are you looking for navigating to Lightning Web Component from another Lightning Web Component in Lightning Experience, Salesforce Mobile App? Using PageReference Object of Lightning
Adding or Removing CSS Class in Lightning Web Component Pragmatically
Are you looking for applying dynamic CSS Class in Lightning web Component?
Onload in Aura Vs Lightning Web Component
The init handler in Aura gets fired first than Lightning Web Component. In simple word, If you have a parent Aura and child Lightning Web Component, connectedCallback() defined in child component will get fire later than init handler in Aura Component.