引言 缓存是工程师优化分布式系统时首先采用的工具之一。我们会缓存已完成的响应（如数据库查询结果或HTTP响应体），以避免重复执行昂贵的任务。然而，传统缓存未能解决一个经常被忽视的低效源头，即重复的进行中请求（duplicate in-flight request）。

A comprehensive developer guide to implementing secure authentication in modern applications. Covers OAuth 2.0, OIDC, passwordless authentication, passkeys, and enterprise SSO with production-ready ...

首先，async/await 本身不创建新线程，它是一种编译器生成的状态机 + 回调机制。当执行到 await 一个尚未完成的异步操作（如 HttpClient.GetAsync、DbContext.SaveChangesAsync）时，方法会立即返回一个未完成的 Task，当前线程（比如 ASP.NET 的请求线程）被释放回线程池，去 ...

This episode looks at the async–await pattern and the hidden traps that come with it. A small, harmless line of code set off a slowdown that baffled everyone involved. As we dissect the sequence, the ...

In many AI applications today, performance is a big deal. You may have noticed that while working with Large Language Models (LLMs), a lot of time is spent waiting—waiting for an API response, waiting ...

Forbes contributors publish independent expert analyses and insights. U.K.-based Neil Winton covers the European Auto industry. Solid-state batteries have been hailed as a game-changer for electric ...

Master IoT and Edge Computing in 2025 with this comprehensive guide. Explore modern architectures, real-time processing, security, and emerging technologies for connected device ecosystems. Photo by ...

As modern .NET applications grow increasingly reliant on concurrency to deliver responsive, scalable experiences, mastering asynchronous and parallel programming has become essential for every serious ...

Senior iOS Engineer with over 12 years of experience developing scalable, user-focused apps using Swift, SwiftUI, UIKit, and more. Senior iOS Engineer with over 12 years of experience developing ...

Altering his initial plan to run American Promise in the April 12 Lexington Stakes (G3) at Keeneland, trainer D. Wayne Lukas said April 5 the colt would now await the May 3 Kentucky Derby (G1) at ...

Gear up for spring with our favorite how-to's and to-do's for Python developers—starting with the new, built-in async/await syntax and asyncio library.

On Wednesday, Pike County football star Khalil Foster signed his college letter-of-intent with the University of Southern Miss. On Wednesday, Pike County football star Khalil Foster signed his college ...