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(previously: WIN10 professional + QT5.15.2: control promotion - CSDN blog / / reference: function introduction of "promotion to..." in qt creator - Snail - blog Garden 1. Create a new project 2. Open the file: mainwindow.ui - > drag a tree widget control to the canvas - > right click the pop-up dialogue box - > Click "pr ...

1, Functional requirements analysis 1. Login function The user needs to enter the user name and password to log in to the mall system. The password is protected in the form of password. If the password is incorrect, re-enter it. The interface is mainly composed of label, LineEdit, pushbutton and other controls   2. Mall system function ...

QDialog -- use of dialog box The QDialog class is the base class for all dialog window classes. Dialog window is a top-level window that is often used to complete short interactive tasks or give user behavior tips. Dialog boxes are divided into modal dialog boxes and non modal dialog boxes. Modal dialog boxes are dialog boxes that cannot inter ...

1, Qt 5 main window composition QMainWindow is a class that provides users with main window programs, including a menu bar, multiple tool bars, multiple dock widgets, a status bar and a central widget. It is the basis of many applications (such as text editor, picture editor, etc.). This is described in detail in this chapter. The interface la ...

0. Preface Qt Remote Objects is an RPC remote call module added from Qt5.9. For details, you can learn from the document: https://doc.qt.io/qt-5/qtremoteobjects-gettingstarted.html From the perspective of personal use practice, it also has some advantages over other popular RPC frameworks: Qt like: if grpc is used, some   Qt's own type ...

Introduction to PaddleHub PaddleHub is a domestic in-depth learning framework launched by Baidu - "flying oar" pre training model management and migration learning tool. Through PaddleHub developers can use high-quality pre training model and fine tune API to quickly complete the whole proce ...

The biggest advantage of PyQt5 is that the interface can be made intuitively using qtdesigner, and then the code can be read directly, which saves the tedious steps of typesetting and so on, and the beauty of the interface is also beyond tk's reach. When using QTdesigner, it's better to layout the i ...

[QT] some notes on using QIODevice to read audio Some preparations ahead Environmental preparation ffmpeg part qt part Get to the point First attempt A little improvement Another improvement The first time I used csdn to write a blog, it's so troublesome. This markdown editor is enough for me ...

1, Foreword It's normal for the client to have bugs, but if bugs cause the program to crash, we must pay attention to them, so in order to better locate the cause of the crash, we need to do some special handling. Because only linux and window platforms have been built, the following list only deals w ...

If the article is original, it cannot be reproduced without permission Original blog address: https://blog.csdn.net/qq21497936 Original blogger blog navigation: https://blog.csdn.net/qq21497936/article/details/102478062 Blog address: https://blog.csdn.net/qq21497936/article/details/106755662 Dear readers, knowledge is infinite and manpower ...