内容简介：This is anCheck theBrowser compatibility tablecarefully before using this in production.The HTTP
This is an experimental technology
Check theBrowser compatibility tablecarefully before using this in production.
The HTTP
402 Payment Required
is a nonstandard client error status response code that is reserved for future use.
Sometimes, this code indicates that the request can not be processed until the client makes a payment. Originally it was created to enable digital cash or (micro) payment systems and would indicate that the requested content is not available until the client makes a payment. However, no standard use convention exists and different entities use it in different contexts.
Status
402 Payment Required
Example response
HTTP/1.1 402 Payment Required Date: Wed, 21 Oct 2015 07:28:00 GMT
Specifications
| Specification | Title |
|---|---|
| RFC 7231, section 6.5.2: 402 Payment Required | HTTP/1.1: Semantics and Content |
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
No compatibility data found. Please contribute data for "http.status.402" (depth: 1) to the MDN compatibility data repository .
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数学与生活（修订版）
[日] 远山启 / 吕砚山、李诵雪、马杰、莫德举 / 人民邮电出版社 / 2014-10 / 42.00元
数学是高等智慧生物的共有思维，是对真理的探索，对矛盾的怀疑，但它绝非一门晦涩难懂的学问，非应试目的的数学是纯粹而朴实的智慧。《数学与生活》为日本数学教育改革之作，旨在还原被考试扭曲的数学，为读者呈现数学的真正容颜，消除应试教学模式带来的数学恐惧感。 本书既包含了初等数学的基础内容，又包含了微分、积分、微分方程、费马定理、欧拉公式等高等数学的内容。作者运用了多个学科的知识。结合日常生活和东西方......一起来看看 《数学与生活（修订版）》 这本书的介绍吧!
