Programmer Think

preface As a Xiaobai, it's really difficult to read documents, and there is little knowledge about flash socketio on the Internet, so I wrote this blog for some brothers who can't do anything like me to understand the basic use of flash socketio, which can also be regarded as recording the production process of my chat room, even my small ...

catalogue 1. Basic knowledgeDeclaration of structure 2. Structure self reference 3. Initialization of structure 4. Structure memory alignment 5. Modify the default alignment number 1. Basic knowledge The values of some variables with different structures can be members of different types. Declaration of structure struct tag//tag can ...

catalogue Create an executable program using CMakeCreate a dynamic / static library and use it as a libraryThe third-party library is introduced in the form of source code and used in the form of multi-layer directoryThe third lib library is shared across platforms to change the hierarchical structure of the codeOther small details (problems e ...

IO stream 1. Classification of IO streams Classification by flow direction: Input stream (read data) Output stream (write data) Classification by data type: Byte stream Byte input stream read data InputStream Byte output stream write out data OutputStream Character stream Character input stream read data Reader Character output stream writ ...

re module 1,re.match function re.match attempts to match from the starting position of a string. If it cannot match from the starting position, it returns None. Syntax: re match(pattern, string, flags=0) Parameters: pattern -- regular expression String -- matching string flags -- flag bit, which is used to control the matching method of ...

I. Basic Introduction 1.1 Netty knowledge 1.1.1 general Official website: https://netty.io/ Netty is a NIO client server framework, which can quickly and easily develop network applications, such as protocol server and client. It greatly simplifies and simplifies network programming such as TCP and UDP socket server.Netty is an asynchro ...

Golang standard library context Context In the Go http package Server, each request has a corresponding goroutine to process. Request handlers usually start additional goroutines to access back-end services, such as databases and RPC services. The goroutine used to process a request usually needs to access some data specific to the request, su ...

Detailed explanation of Redis configuration fileCompanyWhen redis is started, it will read the configuration file redis conf1k => 1000 bytes 1kb => 1024 bytes 1m => 1000000 bytes 1mb => 1024*1024 bytes 1g => 1000000000 bytes 1gb => 1024*1024*1024 bytesUnits in redis are not case sensitive. For example, 1GB, 1GB and 1GB all mea ...

Data structure - red black tree preface Red black tree is the underlying data structure of map, set, mutilmap and mutilset containers. It is also a very important data structure. It further optimizes AVL in efficiency, because AVL structure cannot avoid a large number of rotation operations during insertion or deletion, resulting in loss of e ...

catalogue Lamda expression: Why use Lambda expressions Static agency mode: (wedding company) Thread status: Stop thread: Thread sleep: Thread yield: Thread join: Thread state observation: Thread priority: Daemon thread Thread synchronization: Deadlock: Lamda expression: Understanding the functional interface is the key to lear ...