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04 Jan, 2025

Most Frequently asked Interview Questions of qt(2024)

Qt is a free and open-source cross-platform software development framework primarily used for developing graphical user interfaces (GUIs), but it also supports non-GUI applications such as command-line tools and consoles for server-side applications. It is written in C++ and is widely used for creating applications that run on various platforms, including Windows, macOS, Linux, Android, and iOS, with little or no change in the source code.

04 Jan, 2025

Most Frequently asked Interview Questions of qt

Qt employs an automatic memory management model that helps developers avoid common issues like memory leaks or dangling pointers, but it does so in a way that still gives developers control over certain aspects of memory management. The core mechanism Qt uses to manage memory is parent-child relationships in its object model, along with reference counting in some cases. This model is primarily centered around the `QObject` class, which is the foundation for most of Qt's object-oriented system.

04 Jan, 2025

Most Frequently asked qt Interview Questions and Answers

In Qt, GUI updates are primarily handled by the main thread, also called the UI thread, and not by background threads. Qt has a thread-safe mechanism to communicate between background threads and the GUI, ensuring that the UI remains responsive even when performing heavy computations in the background.

04 Jan, 2025

Most Frequently asked qt Interview Questions

The Qt Meta-Object System is a key feature in Qt that provides the framework for features like dynamic properties, signals and slots, object introspection, and runtime type information (RTTI). It plays a central role in enabling reflection-like capabilities in Qt, allowing developers to inspect and manipulate objects at runtime in ways that are not typically available in statically typed languages.

04 Jan, 2025

Most Frequently asked qt Interview Questions (2024)

The Qt event loop is a fundamental part of Qt's architecture, allowing applications to respond to events and user input asynchronously. It drives the flow of execution and is crucial for interactive applications, especially those with GUIs. Here's an explanation of how it works and the role of `QEventLoop` in managing event processing.

29 Dec, 2024

Most Frequently asked flutter Interview Questions (2024)

Flutter is an open-source UI framework developed by Google for building natively compiled applications for mobile, web, and desktop from a single codebase. It enables developers to create applications that run on Android, iOS, Windows, Mac, Linux, and the web with a single codebase. Flutter is known for its high-performance rendering engine and rich set of customizable widgets.