A practical example of python selenium, heavier than the demo, but not too complicated. The trick is summarized as follows: The address of the latest chromedriver is https://googlechromelabs.github.io/chrome-for-testing. This is very important, otherwise you will have to deal with annoying problems such as automatic chrome updates. Many download sources are a bit outdated. Use options […]
Tag: series
MSQL Series (14) Mysql Practice – The difference between SQL statement left join inner join On and Where statement
Mysql practice-the difference between SQL statement On and Where statement Earlier we explained the selection principle of the underlying driver table of Join, and also learned about the two basic SQL query table connection methods: inner join and outer join. But what is the difference between on and where statements when we query multiple tables? […]
Transplantation of FreeRTOS on STM32F407 series development boards
RTOS real-time operating system FreeRTOS porting Add two folders to the project folder FreeRTOS_CORE and FreeRTOS_PORT Add list.c, queue.c, tasks.c in Source in FreeRTOS to the FreeRTOS_CORE kernel source folder Check out the Keil and MemMang in the Source in FreeRTOS and the portable migration folder. , RVDS three folders, and then find the folder […]
[ElasticSearch Series-06] Construction of Es cluster architecture and core concepts of clusters
ElasticSearch series overall column Content Link address [1] ElasticSearch download and installation https://zhenghuisheng.blog.csdn.net/article/details/129260827 [2] ElasticSearch concepts and basic operations https://blog.csdn. net/zhenghuishengq/article/details/134121631 [3] ElasticSearch’s advanced query Query DSL https://blog.csdn.net/zhenghuishengq/article/details/134159587 [4] Aggregation query operation of ElasticSearch https://blog.csdn.net/zhenghuishengq/article/details/134159587 [5] SpringBoot integrates elasticSearch https://blog.csdn.net/zhenghuishengq/article/details/134212200 [6] The construction of Es cluster architecture and the core concepts of clusters https: //blog.csdn.net/zhenghuishengq/article/details/134258577 […]
Series 35, Spring + SpringMVC + MyBatis integration
1. Overview Integrate Spring, SpringMVC, MyBatis. 2. Integration steps 2.1, pom <dependencies> <!– Use Sl4j annotations in ordinary maven projects –> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>1.18.22</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.32</version> </dependency> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <version>1.2.10</version> </dependency> <!– Tools –> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.76</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-collections4</artifactId> <version>4.3</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>3.11</version> </dependency> <dependency> […]
Multithreading Series 5: Thread Status
Thread status in multi-thread series 5 Tip: This article mainly describes the six states of threads, and details the three methods that cause blocking: sleep, wait, notify, and join. Article directory Multithreading Series 5: Thread Status 1. Thread status 1) There are six states of threads 2) Schematic diagram of thread status operation 2. sleep […]
One article explains the storage, search, analysis and mining of time series and sequence data
Source: Data STUDIO This article is about 4800 words, it is recommended to read for 5 minutes This article will summarize the methods of industrial-level time series analysis. In algorithm practice, it is of great significance to quickly grasp the characteristics of time series data and estimate long-term trends, repetitive changes, and cyclic changes. The […]
Based on the snow melt optimization algorithm SAO published in June 2023, the LSSVM is optimized for single-input single-output time series fitting prediction modeling.
?About the author: A Matlab simulation developer who loves scientific research. He cultivates his mind and improves his technology simultaneously. For code acquisition, paper reproduction and scientific research simulation cooperation, please send a private message. Personal homepage: Matlab Research Studio Personal credo: Investigate things to gain knowledge. For more complete Matlab code and simulation customization […]
CoDeSys series-4, build Profinet master-slave environment based on Ubuntu’s codesys runtime extension package
CoDeSys series-4, building Profinet master-slave environment based on Ubuntu’s codesys runtime extension package Article directory CoDeSys series-4, build Profinet master-slave environment based on Ubuntu’s codesys runtime extension package I. Introduction 2. Data collection 3. Ubuntu 18.04 from installation to replacement of real-time kernel 1. Download and install Ubuntu18.04 2. Download and install the real-time kernel […]
Convolutional neural network CNN for time series prediction
Article directory 1 Preparation 1.1 Import the library 1.2 Reading data 1.3 Visualization 2 Data preprocessing 2.1 Divide training set and test set 2.2 Divide features and labels 3. Construct a one-dimensional convolutional neural network 4. Training model 4.1 Divide batches 4.2 Set the loss function 4.3 Parameter initialization 4.4 Training model 5 Model results […]