Interface for notifying clients, typically binding clients, of property value changes, commonly used in models or view models to support data binding in architectures like MVVM.

"Implementing INPC allows UI elements to automatically update whenever the underlying data changes, ensuring that the UI reflects the current state of the application."

A system for annotating a document in a way that is syntactically distinguishable from the text.

"HTML is a markup language used to create web pages, indicating text can be turned into images, tables, links, and other representations."

A situation that occurs when a software application requires specific versions of libraries or software components that are incompatible with other required versions, leading to complex dependencies that are difficult to resolve.

"Dependency hell can be mitigated by using virtual environments and careful management of package versions."

A lightweight, minimalist web framework for Python, designed to be easy to use and learn.

"The developer built a web application using the Sakura framework."

A special value in programming used to represent the absence of a value.

"In databases, a null value indicates that a field contains no data, which is different from a field that contains data such as an empty string or a zero."