V2EX no-cache

No-cache

释义 Definition

no-cache:在计算机与网络中指不使用缓存要求每次都重新获取最新内容的设置/指令。常见于 HTTP 头、浏览器与代理缓存策略中。(在不同语境下也可指“不要把结果存入缓存”。)

发音 Pronunciation (IPA)

/no k/

例句 Examples

The browser sent a no-cache request to get the newest page.
浏览器发送了 no-cache 请求以获取最新页面。

Even with a CDN, setting no-cache on sensitive data helps ensure users don’t see outdated or privately stored responses.
即使使用了 CDN,对敏感数据设置 no-cache 也有助于确保用户不会看到过期或被私下存储的响应。

词源 Etymology

no(不、禁止)+ cache(缓存)组成的复合表达。cache 源自法语 cacher(藏起来、隐藏),在计算机领域引申为“把数据临时存起来以便更快访问”。因此 no-cache 字面义即“不缓存”。

相关词 Related Words

文学作品 Literary Works

该词主要属于技术术语,更多见于 HTTP/1.1 规范(RFC 7234 等)、浏览器与代理服务器文档、工程实践写作中,较少出现在传统文学作品中。

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