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 …
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 …
Why am I getting "(304) Not Modified" error on some links when …
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 …
201不锈钢与304不锈钢有什么区别？ - 知乎
Nov 18, 2021 · 抗压： 因为不锈钢201的碳含量比不锈钢304高，所以不锈钢201比不锈钢304要硬脆，不锈钢304的韧性更好。 抗潮： 因为不锈钢201含有锰元素，长时间在潮湿而且盐分高的 …
caching - What is the difference between HTTP status code 200 …
Nov 3, 2009 · The 304 - Not Modified isn't a "rejection" by the server. It is the server declaring to the client "for the version you are asking for, I know it is not modified, you don't really need the …
Why does the 304 status code count as a "redirect?"
May 14, 2014 · 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 …
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 …
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 …
304不锈钢能被磁铁吸住这种不锈钢质量合格吗? - 知乎
May 17, 2022 · 磁铁能将304不锈钢吸住。 因为304不锈钢中含有很多的化学成分，所以在不同的状态下加工，产生的磁性也是不一样的;如果304不锈钢不能够吸住磁铁，就说明这个304不锈 …
如何直观的区分304不锈钢和316不锈钢？ - 知乎
304和316是不锈钢的一个代号，本质上都是不锈钢的，但细分起来，却是不同的种类。 下面这篇文章整理了这两种不锈钢的化学成分、物理性能、力学性能、各国牌号、特性用途。 要说直 …