Programmer Think

demand This project is a three-level project at the end of the term, which was completed by my roommate and I in a team. Among them, I am responsible for Baidu identification, camera acquisition, time display and code integration Design The functions of the project include: the camera obtains the license plate number, screenshots and a ...

brief introduction Mplayer is an open source multimedia player that can run in mainstream operating systems, such as LInux, Unix like, Windows, Mac OS. Mplayer is built on the command line interface. For the use of the command line, refer to: https://www.cnblogs.com/huangpeng1990/p/4364373.html Here are some common command lines based on m ...

1 basic concepts of dialog box Dialog box is an indispensable part of GUI program. Many functional components that cannot or are not suitable for being placed in the main window must be set in the dialog box. The dialog box is usually a top-level window, which appears at the top of the program to realize short-term tasks or concise user intera ...

Overall architecture diagram 1. Distributed memory fast DFS 2. redis cache database 3. MySql database 4.HTTP protocol 5. Server nginx 6. Dynamic request processing fastcgi spawn fcgi 7. Client Qt According to the function of the client, it is summarized in modules Directory composition of client common public interface, ...

QSS Base of PyQt5 Full 95 Window CSS Tutorial:https://www.w3school.com.cn/css/index.asp Check the links for details, but there is no problem reading the following article. QSS Concepts The whole process of QSS is Qt Style Sheets, as the name implies, a Qt stylesheet. Qt stylesheets are a powerful mechanism that allows you to customize the ap ...

1. Usage Stream mode output Instead of std::out, you need to add endl at the end, which is more convenient to use. It supports direct output of common types. It also supports QT built-in data type output, such as QMap, QList, QVaraint, etc. QT is a powerful debugging tool QString strText = "hello"; bool bOk = true; qDebug()<< str ...

Network programming The Qt network module provides us with classes for writing TCP / IP clients and servers. It provides lower level classes, such as QTcpSocket, QTcpServer and QUdpSocket representing low-level network concepts, and high-level classes such as QNetworkRequest, QNetworkReply and QNetworkAccessManager to perform network opera ...

summary The window widget cannot be set to fillet directly through the style sheet. You need to drag the control QFrame into the window QWidget, set the QFrame to be the same size as the window QWidget, and drag the control required in the window QWidget into the QFrame. Example The following is a window that prompts the tool. It simply reco ...

The animation framework is designed to provide a simple way to create an animated and smooth GUI. Through the animation Qt attribute, the framework provides a lot of freedom for animation widgets and other qobjects. The frame can also be used with the drawing view frame. Many of the concepts available in the animation framework are also availab ...

1, Interface layout The following picture is the interface layout of the calculator. You can know the basic functions of the calculator from the interface, including basic operations of addition, subtraction, multiplication and division, cosine, sine and other function operations. 2, Function brief introduction and operation display The ab ...