emWin special topic -- introduction of emWin and use of simulator

1, About emWin 1. The relationship between emWin and ucGUI I remember that when I first went to university, I came into contact with a graphic interface in the field of single-chip microcomputer called ucGUI, which was also running on STM32. After a while, I found that we all used emwi on the Inter ...

Posted by captainplanet17 on Wed, 29 Jan 2020 22:49:52 -0800

Python learning diary 1 -- a simple Minecraft terminal fortress coordinate calculator

  I. brief introduction For Minecraft players, it is undoubtedly a more painful process to find the terminal fortress. The generation of the terminal fortress is usually a certain distance from the birth point of the player, so in general, it needs to consume a large number of rare terminal pearl t ...

Posted by isurgeon on Tue, 21 Jan 2020 04:37:14 -0800

Appointment HDU - 4553 interval merge

I. content Winter vacation is coming, and it's time for Xiao Ming to date the goddesses. Although Xiao Ming is a loser, she is very active. The goddesses often reply "ha ha" after a lot of speeches on Xiao Ming's website. Therefore, Xiao Ming's favorite is dating the goddesses. At the same t ...

Posted by rinkhals on Sun, 19 Jan 2020 20:43:15 -0800

Making a screen recording tool with Python

1, Write in front As a test, sometimes it is often necessary to record their own operation on the screen, so as to facilitate the follow-up development and positioning of students. In the past, screen to GIF was used to record the screen and make dynamic pictures. Occasionally, python can also be realized. Then hurry to learn. 2, Effect display ...

Posted by Monkee Of Evil on Fri, 17 Jan 2020 07:09:22 -0800

Jetson Nano study notes

Catalog 1. Development environment configuration 1.1 update source and software 2.1 installing Code OSS The following is a simple demonstration of how to use Code OSS to execute Python scripts. 2.2 installation of Qt5 3. Project cases 3.1 face detection 3.1.1 installation of pip 3.1.2 install Python ...

Posted by Birmingham on Mon, 13 Jan 2020 05:21:04 -0800

Custom Calendar enhanced version of Qt (2)

Custom Calendar enhanced version of Qt (2) Custom Calendar enhanced version of Qt (2) Sketch Design sketch Function introduction Core code Ending Sketch I've been busy for a long time. I don't know if everyone expects my new work. Today's release is a package of controls used in the work, which will be brough ...

Posted by zoidberg on Fri, 10 Jan 2020 08:46:24 -0800

Qt prepare 25 offline map of security video monitoring system

I. Preface The function of offline map has only been completed recently. Many people have asked if there is any function of offline map for a long time ago. They have also roughly learned how to make offline map before. In fact, the core is not the code, but how to get free offline map files. Most of the offline map downloaders are charged onli ...

Posted by Henaro on Tue, 07 Jan 2020 23:02:39 -0800

Qt Writing Baidu Map Comprehensive Application (Online+Offline+Region)

1. Preface In many applications, there will be a map module. Map-related applications and apps are also very many. The most widely used are navigation. Maps are basically divided into online and offline. Online maps are generally real-time, data is up-to-date, fast route is accurate, the disadvantage is that it consumes traffic, always needs to ...

Posted by craigbabe on Sat, 04 Jan 2020 16:30:16 -0800

Qt learning notes: embed QtQuick as a control into QtWidgets

Environmental Science System: Windows 10 64 bit home Chinese version Qt version: 5.6.0 msvc2013 64 bit Compiler: Visual Studio 2013 professional objective The interface implemented by QML is embedded in QtWidget, and the QML attribute is set at the same time. step 1. Design the QML window to be realized. Here I realize ...

Posted by slpctrl on Fri, 03 Jan 2020 23:57:05 -0800

Using various custom delegates in QTableView

Train of thought: 1. Define delegation for each column: The first column is a numbered column. Use a read-only delegate to make the cells in this column read-only The third column is the ID column, which can only input 1-12 numbers. The qlinedit delegation and regular expression are used to restrict the input In the fourth ag ...

Posted by timcclayton on Tue, 31 Dec 2019 02:45:01 -0800