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During the test of reading RSS, I used my own RSS link in the blog garden for the test. I found that when I used the Last-Modified method for optimization, the Last-Modified will be updated every time RSS returns. The following are the results of

1) What is "last-modified"?When the browser requests a URL for the first time, the server-side return status is 200, the content is the resource you requested, and there is a last-modified attribute that marks the last time the file was modified at

The rest API, which is made with the Django Rest framework, has an API that requires:The app side requests this API, the server side reads the data from the database, returns the JSON. The amount of data returned is slightly larger, but may only be

A detailed description of each status is as follows:1 , last-modifiedWhen the browser requests a URL for the first time, the server-side return status is 200, the content is the resource you requested, and there is a last-modified attribute tag

Recently in the optimization of the CDN, the browser cache in-depth study, a record, convenient after the comerDraw a Sketch:A detailed description of each status is as follows:1 , last-modifiedWhen the browser requests a URL for the first time, the

Detailed descriptions of each status are as follows:1, last-modifiedWhen the browser first requests a URL, the server-side return status is 200, the content is the resource you requested, and there is a last-modified attribute tag (httpreponse

Recently in the optimization of CDN, browser cache In-depth research, a note, to facilitate the post-comers Drew a Sketch: Detailed descriptions of each status are as follows: 1 , last-modified When the browser first requests a URL, the

technical stickers are not, but very careful, reminding a lot of not or very little attention to this piece of friends--the owner criticism!! in many other forums found my post, please respect the original, reprint time Please specify: Transfer

One, with a null value of the arrangement: In the previous "Oracle Development Analysis Function (Rank, Dense_rank, Row_number)" article, we have learned how to arrange for a batch of records, grouped. What if the sorted data contains null values?

There are many kinds of caches: Server cache, third-party cache, browser cache, and so on. The browser cache is the least expensive, because the browser cache relies on the client and consumes little server-side resources.Making the browser cache