Raspberry pie smart car Python 3 program
1, Trolley device
In the tutorial is the car device integrated on Taobao. In addition, I also bought some spare parts and configured my own car. https://detail.tmall.com/item.htm?id=608554421638&spm=a1z09.2.0.0.7e012e8d3NEMy0&_u=12kf16b6b4b
Components include: 1. Trolley bottom plate (2), motor (4), wheel (4), DuPont wire, copper col ...
Added by SargeZT on Sat, 19 Feb 2022 21:14:42 +0200
RegSeg rethinks beyond DeepLab, BiSeNetv2_ copy
AI Studio project link https://aistudio.baidu.com/aistudio/projectdetail/3451057
This paper reproduces CVPR2021, rethinks void convolution, surpasses Deeplab and BiseNetv2, and enables segmentation to achieve real-time + high precision
1, The 17th National College Student smart car competition: Online qualification competition of complete mod ...
Added by interpim on Sat, 19 Feb 2022 21:12:23 +0200
Principle analysis of Java thread pool
I recently learned the "Java Concurrent Programming Practice" of geek time, and I have a new understanding of java thread pool and my own understanding, as well as some ideas, such as whether I can design a distributed thread pool, whether I can design a thread pool that can dynamically modify parameters, and whether I can design a th ...
Added by river001 on Sat, 19 Feb 2022 21:11:42 +0200
MySQL foundation summary
1, Connection query
Classification according to the way of table connection: Internal connection: equivalent connection, non equivalent connection and self connection External connection: left external connection (left connection), right external connection (right connection)
Syntax: join ... on ...
select ... from Table name 1 join Table na ...
Added by rvdb86 on Sat, 19 Feb 2022 20:54:22 +0200
02. MySql single table & constraint & Transaction
1. DQL operation sheet
1.1 create database and copy tables
Create a new db2 database
CREATE DATABASE db2 CHARACTER SET utf8;
Copy the emp table in the db1 database to the current db2 database
1.2 sorting
The sorting effect of the query can only be displayed through the order clause, and the sorting effect will not be displayed thro ...
Added by ol4pr0 on Sat, 19 Feb 2022 20:40:09 +0200
ReID pedestrian re recognition (training + detection, with code) can be used for image retrieval, stranger retrieval and other items
You can learn the code with the paper and ReID below GitHub - michuanhaohao/ReID_tutorial_slides: courseware of deep learning and pedestrian recognitionDeep learning and pedestrian recognition, Dr. Luo Hao, Zhejiang University_ Beep beep beep_ bilibilihttps://www.bilibili.com/video/BV1Pg4y1q7sN?from=search&seid=12319613973768358764&spm_ ...
Added by neerav on Sat, 19 Feb 2022 20:37:39 +0200
Vue uses mockjs to generate simulation data
Mockjs generates simulation data
When developing the front-end, we need to get the interface of the back end, then call to get the data provided by the back end. But in the actual situation, it is possible that the back-end interface has not been designed, but you want to get the data for testing. What should you do at this time?
At this time ...
Added by brotherhewd on Sat, 19 Feb 2022 20:34:22 +0200
Single chip microcomputer DS18B20
Single chip microcomputer DS18B20
Readers need to have a preliminary understanding of the DS18B20 data manual before reading. No more nonsense, go directly to DS180B20 timing
DS18B20 timing
Initialization timing
/**
* @brief Init_DS18B20()DS18B20 is a function that initializes DS18B20 to determine whether the sensor exists
*
...
Added by bogha on Sat, 19 Feb 2022 20:18:36 +0200
ThreadContext and ThreadLocal of shiro
problem
Today, I looked at the previous project written with shiro framework and looked at the source code carefully. Suddenly, I was curious. We usually use securityutils getSubject(); Method to obtain the of the current user. This class is a self-contained class under shiro, that is, shiro has encapsulated the logged in object to the i ...
Added by robtbs on Sat, 19 Feb 2022 20:02:46 +0200
Binary search tree debut
Recently, I have made many problems about binary search tree, and found that many problems are solved by using the properties of binary search tree, and the routines are almost the same. Here is a summary.
Properties of binary search tree
If its left subtree is not empty, the value of all nodes on its left subtree is less than that of its roo ...
Added by modplod on Sat, 19 Feb 2022 19:55:41 +0200