qt login interface is simple to make, which is a real nanny level!!!

qt login interface is simple to make, which is a real nanny level!!! Engineering innovation practice in the second week: create a form, design the user login interface (including user name and password), and realize the user login function. When the user submits the login button, he is required to obtain the user name and password data in the ...

Posted by Sealr0x on Tue, 18 Jan 2022 04:15:32 +0100

PyQt5 learning notes - program structure analysis

1, Briefly introduce some controls Official document: '‘ https://doc.qt.io/qtforpython/modules.html ’’’ QtWidgets: contains a complete set of UI element controls, which are used to establish an interface in line with the system styleQtGui: covers a variety of basic graphics functions, such as font, graphics, icon a ...

Posted by phpscriptcoder on Sat, 15 Jan 2022 11:59:41 +0100

QT from entry to soil - TCP/IP network communication (and file transfer)

** introduction ** TCP/IP communication (i.e. SOCKET communication) is the communication established through TCP/IP protocol on the basis of following the four-tier architecture of ISO/OSI model by connecting the Server end of the Server and the Client end of the Client through the network cable. The controller can be set as Server or Client. ...

Posted by ckdoublenecks on Sat, 15 Jan 2022 11:39:23 +0100

QT from entry to penetration (V) -- QThread

introduction The previous articles have made a simple summary of C + + threads, talking about multithreading in C++11 (III) - only their own powerful blog Garden (cnblogs.com). This paper focuses on the summary and implementation of Qt multithreading. Much like C++11, Qt uses QThread to manage threads. A QThread object manages a thread. There ...

Posted by SpiderSprog on Sat, 15 Jan 2022 10:25:40 +0100

QT common controls from getting started to embedding - menu bar and dialog box

introduction 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 chapter mainly introduces the menu bar and toolbar) ** 1, Menu bar ** A ...

Posted by sulen on Sat, 15 Jan 2022 05:24:47 +0100

Android learning notes Service

Service runs in the background of the program Service Service is a subclass of Context UI controls are thread unsafe. All UI operations must be in the main thread Service does not automatically start the thread. All codes run in the main thread by default. You should manually start the sub thread The IntentService opened in the service i ...

Posted by mrtechguy on Thu, 06 Jan 2022 12:21:58 +0100

Does Qualcomm chip GPU have HSR like functions

1) Does Qualcomm chip GPU have functions similar to HSR2) will RT dynamic diagram on UGUI cause UI update3) UI often iterates the appearance. How to change the code as little as possible4) Should I use AssetBundle package mode or simulation mode in the development process?This is the 279th UWA technical knowledge sharing push. Today, we continu ...

Posted by englishman69 on Sun, 02 Jan 2022 21:52:22 +0100

Simple imitation of mouse interaction in Unity advanced (scenario: mobile phone screen as Touch Pad, moving mouse, mouse confirmation, etc.)

Simple imitation of mouse interaction in Unity advanced (scenario: mobile phone screen as Touch Pad, moving mouse, mouse confirmation, etc.) catalogue Simple imitation of mouse interaction in Unity advanced (scenario: mobile phone screen as Touch Pad, moving mouse, mouse confirmation, etc.) 1, Brief introduction 2, Implementation princi ...

Posted by Ozzmosis on Sun, 19 Dec 2021 06:22:30 +0100

Basic supplement of digital image and machine vision

1, Bitmap principle 1. Introduction to bitmap The computer can display images in bitmap and vector format. 1.1 bitmap Image is also called dot matrix or raster. It uses small dots called pixels to describe the image. A computer screen is actually a grid containing a large number of pixels. When we enlarge the bitmap, each pixel looks like ...

Posted by rem on Thu, 09 Dec 2021 16:09:40 +0100