HTTP communication typically includes entity data in the request and response messages (entity). An entity is the actual data content carried by the HTTP message, such as the request body in a request or the response body in a response. Each entity has corresponding metadata descriptions, such as Content-Type and Content-Length header fields.Content-Type indicates the … Read more
How to remove the ignore setting for Bluetooth on Apple devices? In modern daily life, Bluetooth technology has become one of the key technologies for connecting various smart devices, whether it is headphones, smartwatches, or in-car systems. Bluetooth provides a seamless and efficient way to connect. For users of Apple devices, understanding how to manage … Read more
What else can we ask if we don’t ask about these protocols? Should we ask about OSPF or BGP? Those are protocols used by network engineers. Should we ask about Kerberos or CIFS/SMB? Those are protocols used by Windows system administrators. Should we ask about Access Tokens, SSO, CSRF, or SQL Injection? Those are concepts … Read more
WebSocket plays an increasingly important role in modern web development, especially in scenarios requiring real-time communication. As a leading asynchronous web framework in Python, aiohttp performs exceptionally well in handling WebSocket connections. Today, we will delve into how to build high-performance WebSocket applications with aiohttp, from basic setup to performance tuning, step by step creating … Read more
KS Knowledge Sharing We are now in an era of resource sharing, as well as knowledge sharing. If you find this article informative, please share the knowledge with others! A Brief History of HTTP Development Above: Connection cannot be reused Above: Set Connection: Keep-Alive to keep the connection open for a period of time. Above: … Read more
Concept HTTP Short Connection (Non-persistent Connection): A TCP connection is established for each HTTP request-response, and it is immediately closed after completion. HTTP Long Connection (Persistent Connection): Multiple HTTP requests and responses can be sent continuously over the same TCP connection, which remains open for a period of time, allowing the reuse of that connection … Read more
Introduction In the development of network applications, TCP/IP communication is fundamental for data transmission between clients and servers. However, ensuring the stability and reliability of communication is equally important. When implementing TCP/IP communication in C#, it is necessary to focus not only on sending and receiving data but also on monitoring the connection status in … Read more
Below is a detailed explanation of the workflow of BLE devices, covering the complete process from device startup to data communication, incorporating the core steps of the GAP (Generic Access Profile) and GATT (Generic Attribute Profile) protocols. 1. Device Startup and Initialization Step 1: Hardware Initialization •Hardware Preparation: ￮Power on the BLE chip (e.g., nRF52, … Read more
Click the “blue text” above to follow us Have you ever encountered a situation where the server inexplicably cannot handle the traffic? Despite having sufficient configuration, it keeps dropping connections. After checking for a long time, you find that the issue lies in HTTP connection handling. Think about it, HTTP connections are like tables in … Read more
This article is reprinted from WeChat public account: Linwan Village Chinchilla 1. Introduction TCP is a connection-oriented protocol. Before either party sends data in any direction, a connection must be established between the two parties. The state transition diagram for connection creation and termination is as follows: 2. Three-Way Handshake to Establish Connection The process … Read more