Basic knowledge of ansible automatic operation and maintenance and cloud service

ansible is relatively simple. playbook is used to implement more complex tasks, while Roles is used to implement more complex tasks. ansible uses modular development, which is equivalent to a collection of command parameters. https://baike.baidu.com/item/%E4%BA%91%E6%9C%8D%E5%8A%A1/7843499?fr=aladdin Se ...

Posted by hanhao on Thu, 30 Jan 2020 05:07:19 +0100

[java] RPC and RMI framework

Catalog Summary RMI Framework register MethodFactory MethodDefinition ProxyAnntotation Server RPCServer ServerExecutor ArgumentMaker configuration file Client ClientProxy ClientDialog RPCClient Load Balancing Interface summary Summary RPC (Remote Procedure Call Protocol) A remote proced ...

Posted by xyzleft on Tue, 28 Jan 2020 07:32:42 +0100

Application of SMB in Java

Catalog SMB Service Operation Introduction to_SMB II SMB Configuration 2.1 Windows SMB III Add SMB Dependency IV Path Format V Operation Sharing VI Logon Verification SMB Service Operation Introduction to_SMB SMB (full name Server Message Block) is a pro ...

Posted by The Wise One on Tue, 28 Jan 2020 05:42:22 +0100

Learning while using -- using the Material UI framework under React to develop a simple web version Ethereum wallet imitating MetaMask

In the previous article, we learned the use of route in React and created an import interface; this time, we learned the specific implementation of wallet and the development of login interface, and connected the three UI s of login interface, create wallet and import wallet through wallet. 1, Further ...

Posted by rage123456 on Sun, 26 Jan 2020 12:21:24 +0100

How do I find a way to call the current method?

How do I know the name of the method that calls the current method when I log in to C??I know all about System.Reflection.MethodBase.GetCurrentMethod(), but I want to be one level lower in stack tracking.I've considered resolving stack traces, but I want to find a clearer, clearer way, similar to As ...

Posted by suspect on Fri, 24 Jan 2020 07:10:47 +0100

LeetCode-Python-1325.Delete leaf nodes of a given value (DFS+Topological Sort)

Give you a binary tree with root and an integer target. Please delete all leaf nodes with target value. Note that once a leaf node whose value is target is deleted, its parent node may become a leaf node; if the value of the new leaf node happens to be target, then this node should also be deleted. ...

Posted by spoons84 on Thu, 23 Jan 2020 02:07:25 +0100

JAVA - 61. Network connection

How the chat program works: 1. Client connects to server 2. The server establishes a connection and adds users to the guest list 3. Another user connects to the server 4. User a sends the information to user b through the server, and at the same time receives the reply from user b [location server] use Socket or ip addres ...

Posted by sirfartalot on Wed, 22 Jan 2020 17:11:13 +0100

Crawling exercise - crawling the dynamic information of users in the simplified Book Web (dealing with AJAX)

Preface: In response to AJAX dynamic loading, users' dynamic information of Jianshu network should be crawled, and the crawled data should be stored in MongoDB database In order to sort out the code, sort out the ideas and verify the validity of the code -- January 21, 2020 Environmental Science: Py ...

Posted by effigy on Tue, 21 Jan 2020 18:48:08 +0100

Nacos get configuration source code interpretation (detailed explanation)

  Background: Today's network services are mostly distributed cluster deployment, and the adopted architecture is also service-oriented architecture (SOA). Everyone is striving in the field of service governance. No, today's Nacos is also a product of the field of service governance. Nacos is an ex ...

Posted by hassank1 on Tue, 21 Jan 2020 13:42:03 +0100

Using NatureDQN to play and make bricks

Using NatureDQN to play and make bricks target Try the first edition The foundation of building bricks Preprocessing Image preprocessing State preprocessing Network design Second version attempt Third version attempt Code directory: target Playing brick is a relatively complex game in gym ga ...

Posted by glitch003 on Tue, 21 Jan 2020 12:01:01 +0100