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RedisLock -- make Redis distributed lock simple catalog 1. Project introduction 2. Fast use 2.1 introducing maven coordinates 2.2 register RedisLock 2.3 use 3. Participation and contribution 4. Contact the author 5. Open source protocol 1. Project introduction This project mainly simplifies the operation of redis distributed transact ...

Use Linux commands to view data about the current system status and health. However, a single Linux command and application can only obtain one aspect of system data. We need to use the Python module to feed these details back to the administrator and generate a useful system report at the same time. ...

Copyright notice: This is the original article of Colin Cai, welcome to post. If you want to transfer, you must indicate the original website 　　http://www.cnblogs.com/Colin-Cai/p/12977127.html Author: Windows QQ / wechat: 6679072 　　E-mail: 6679072@qq.com In theory, function is the first class function language, which can use function ...

Introduction to vnc server vnc server is a service opened on the server in order to satisfy the distributed users to share the resources on the server. The corresponding client software is vnc viewer. vnc server can also be different operating systems, such as using windows to access linux system resources remotely. VNC connecting Linux 1. Do ...

Golang uses selenium to operate Chrome 1. Demand Solve the problem of automatic login, and solve the problem of crawler by the way. 2. Basic concepts Selenium: selenium is a tool for Web application testing. Selenium testing runs directly and automatically in the browser, just like real users operate manually. Webdriver: Chrome driver is an au ...

I always think that learning c + + is too complex, and there are many types in it, which are too many to distinguish at all. However, most of the online materials are c + +, and some problems are not solved perfectly with other methods (can be used in c, java, python) Then I decided to do it. Because I had to do c + +, I had to do VC + +, and ...

Crawling the data information about python position in the pull net, and storing the crawling data into various csv files, then cleaning the data of the relevant fields in the csv file, and making further analysis on the data visualization, including histogram display, histogram display, word cloud display, etc. according to the visualization d ...

Excel is a powerful spreadsheet application running in Windows environment. An Excel spreadsheet is called a workbook, and a workbook is saved in a file with the extension. xlsx. Each workbook can contain multiple tables (worksheets) the table currently viewed by the user (or the last table viewed before closing) is called the active table. ...

Click the button to implement asynchronously to realize the non blocking state of the interface.The asynchronous development mode recommended in C ා uses async to prompt for possible asynchronous operations, and await keyword to wait for tasks to wait for asynchronous operations.For the methods with Async suffix provided in. net library, await ...

Serial communication using Python requires the pyserial Library of python, which is not automatically installed when Python is installed and needs to be installed by itself. 1. Install pyserial library: Open the command line window and type: pip install pyserial command on the command line to install. 2. The program uses tkinter, a GUI lib ...