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- Why am I getting (304) Not Modified error on some links when using . . .
59 Any ideas why on some links that I try to access using HttpWebRequest I am getting "The remote server returned an error: (304) Not Modified " in the code? The code I'm using is from Jeff's post here (the page seems to have disappeared, see an archive copy at the Wayback Machine)
- 不锈钢，为什么要叫304不锈钢呢？ - 知乎
304不锈钢是不锈钢的一种，是为国家认可的食品级不锈钢，所以大家知道的比较多。 304不锈钢具有良好的耐蚀性、耐热性，低温强度和机械特性;冲压、弯曲等热加工性好，无热处理硬化现象 (使用温度-196℃~800℃)。
- 不锈钢304和不锈钢316的区别是什么? - 知乎
因此，选择304还是316不锈钢，需要根据实际需求来决定。 如果您需要一种通用型的不锈钢，对耐腐蚀性要求不是非常高，那么304不锈钢是不错的选择；如果您需要一种在强腐蚀性环境或者高温高压环境中使用的不锈钢，那么316不锈钢则是更好的选择。
- Why does the 304 status code count as a redirect?
10 I am currently trying to understand how exactly 304 Not modified qualifies for the 3xx-range class of HTTP status codes RFC 1945, sec 9 3 and RFC 2616, sec 10 3 both read: This class of status code indicates that further action needs to be taken by the user agent in order to fulfill the request
- How does 304 Not Modified work exactly? - Stack Overflow
How are "304 Not Modified" responses generated? How does a browser determine whether the response to an HTTP request is 304? Is it set by the browser or sent from the server? If sent by the server,
- 不锈钢304、304L、316、316L有什么区别? - 知乎
304和304L以及316和316L的主要区别在与碳含量，其他的成分都是一样。 所以304L和316L又被称为超低碳不锈钢，L就是超低碳的意思，相较于304和316价格更贵，焊接性能和耐腐蚀性能更好，但是强度更低。
- 不锈钢可以用磁铁辨别是不是304吗？ - 知乎
相反，质量次一点的200系列不锈钢，很有可能不带磁性，由此判定它是货真价实的不锈钢，就大错特错了。 特别要提出的是，因上述原因造成的304不锈钢的磁性，与其他材质的不锈钢磁性完全不是同一级别的，也就是说304钢的磁性始终显示的是弱磁性。
- How to prevent request that returns 304 - Stack Overflow
The server is returning a 304 after the browser cache has been primed My question is, why is the browser even checking with the server and getting a 304 in the first place? I don't want the browser to go ask if there's a new version—it should load directly from browser cache without checking for modifications with the server serving the script
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