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Grape Official documents DUMP keySerialize a given key and return the serialized value, which can be deserialized to the Redis key using the RESTORE command.The values generated by serialization have the following characteristics: It has a 64-bit checksum for error detection, and RESTORE checks the checksum before deserializing it. The encodi ...

Compiling a hello world written in C into a web version is easy, and there are many examples on the web.Writing such an example is necessary to get us started quickly, but the actual project is much more complex. Here we will introduce some basic knowledge of emscripten and highlight the problems encountered during the migration of AWTK, in the ...

## Statement: Individual learning arrangement, for reference only Basic grammar Note: Identify "#", triple double quotation mark ", comment content". Line and indentation: Statements with four spaces hanging indentat ...

Before learning about the implementation of OVS VXLAN, let's review how traditional VTEP devices handle VXLAN messages. As shown in the following figure: After the vxlan message enters the switch port, the vxlan tunnel is terminated according to the message header information. After the end of the tunnel, overlay mapping is carried out accordi ...

Introduction to Redis Redis is a key-value-oriented memory database for data types, which can meet our needs for fast reading and writing of massive data. Is a nosql non-relational database Redis keys can only be string-type values that can be of ...

baiyan Introduce Read this article before reading: Analysis of the Way to Improve the Performance of Server Concurrent IO from Network Programming Foundation to epoll To better understand the content of this article, thank you.We know that when we use redis, we can get the data returned by the redis server by sending a get command from the clie ...

Explain Tree is an open source tool that supports Linux, Windows, and other operating system platforms. It can be installed directly in Linux sudo apt install tree.On the Windows platform, this command is published in the Cygwin environment and can be selected and installed in the bin path of Cygwin when selecting Package through Cygwin's insta ...

Articles Catalogue 1. Directed acyclic graphs (DAG) 2. Topological Sorting 2.1 Concept of Topological Sorting 2.2. Basic Ideas of Topological Sorting 3. Realization of Topological Sorting 3.1 Realization of Adjacency Table of Directed Graph Ad ...

Summary Whether you notice it or not, face recognition has entered the corner of life, nails have supported face punching, real-name authentication of railway stations has increased self-verification channels for face, not to mention the "smart city" and intelligent brain built by various cities. In the field of face recognition, it i ...

1. Binding and listening In the previous article, epoll was used as an example to talk about the event mechanism, which calls init and dispatch callback functions in sequence. However, we recall the process of network programming. First, you need to create sockets, bind sockets, listen for sockets, but so far it has not been involved. Looking a ...