At first, when using Qt to display point cloud, every time a new project is created, the directory must be configured, which is very troublesome. Recently, I suddenly realized that I can create a new property sheet, and every time I refer to the property sheet, it's OK. It taught us to be flexible.
Posted by Kingskin on Thu, 13 Feb 2020 22:46:35 -0800
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
There are two ways to reuse code:
Combination: only the objects of the existing class need to be generated in the new class. The new class is composed of the objects of the existing class, that is, the object reference can be placed in the new class
Inheritance: create a new class acc ...
Posted by Transwarp-Tim on Wed, 29 Jan 2020 02:43:19 -0800
If you draw a picture, you can only judge the iron wolf. If there is no certain villager, the iron wolf will exist in a ring. If there is only one person in the ring who is considered as a wolf, then he is the iron wolf. It is easy to see that this is an introverted tree in the ring. So you will find that if someone says that t ...
Posted by liquefi on Sat, 04 Jan 2020 10:16:10 -0800
First, download the SDK from wechat Developer Platform at:
Add LSApplicationQueriesSchemes array in plist file, add two strings for calling wechat
Import dependency library SystemConfigur ...
Posted by Heywood on Thu, 19 Dec 2019 09:49:23 -0800
Use framework GDataXML-HTML Parsing XML
1). First import the framework file, and then Command+B compile
I. click project, and the following interface appears
Select Build Settings, enter Header Search Paths under Build Settings to search, as shown in the following figure, click Al ...
Posted by cfgcjm on Wed, 11 Dec 2019 08:11:38 -0800
Step by step implementation of web program information management system
In the web program, especially in the information management system, the login function must have and be very important. Every learning program development or later work, will meet the needs of landing function. And the most basic function that login func ...
Posted by alarik149 on Sun, 08 Dec 2019 10:22:07 -0800
Official address of CRF + +: https://taku910.github.io/crfpp/
Find the download. It's all on google cloud disk at present.
Download the latest version, now 0.58
Download the source package, CRF++-0.58.tar.gz
Put it on the linux server
checking for a BSD-compatible install... /usr/bin/instal ...
Posted by neave on Thu, 14 Nov 2019 11:21:58 -0800
libs directory puts stm32 firmware library, src puts user source code, inc puts user header file
# mkdir libs src inc
Copy stm32f10x? Stdperiph? Lib? V3.5.0 to the libs directory Create Makefile.common
Create the Makefile.common file in the home directory. This is a general Makefile file file
Posted by s0me0ne on Thu, 14 Nov 2019 08:21:46 -0800
Receiving: configure DMA receiving of serial port, open idle interrupt of serial port, but the length of DMA receiving must be appropriate, and it is easy to overflow if it is small. Then in the idle interrupt of the serial port, turn off the receiving of DMA, take out DMA data, transfer or directly process. After that, configure DMA r ...
Posted by madhukar_garg on Thu, 07 Nov 2019 20:56:27 -0800