for example, in a user group, a user can belong to multiple groups, and multiple users in a group need to do bidirectional caching because they need to obtain groupSet:getByUserId:xxx userSet:getByGroupId:xxx in both directions then role, permission r...
such as the title. even if it can reduce data inconsistencies, it cannot be completely eliminated. Is there any other way to compensate for ? Or what? ...
as a rookie, recently, when I learned about distributed consistency-related solutions, I found a very painful problem. Many places say that 2pc and 3PC are used, but there are still many problems with two-phase commit. Since this is the case, why do many...
such as the title, recently, when I was reading some articles on distributed transactions, I saw some nouns, such as TCC and 2PC , but after reading them for a long time, I felt that the two seemed to be about the same. I can t see the difference. I hop...
Why does the above figure emphasize that "after the only participant who received the commit message is dead ", even if a new coordinator is elected, the transaction status cannot be determined personal total feeling: suppose there are three part...
my backend uses java+springmvc+mybatis+shiro immediately after a successful login, you use isAuthenticated to verify the authentication status, but you get false . what situation will cause such a problem? configuration instructions: use single re...
this is my favorite: $page = $_GET[ page ]; $page == ? $page = 1 : ; $page_size = $page_data[ data_1 ]; $res = $pdo->query("SELECT * FROM `blog` "); $row_count = $res->num_rows; $page_num = ceil($row_co...
use the tab component of iview, where the bottom border is added in iview.css! Important caused me not to change its style : 1.important2.3.iviewAPPiview 4.node_modulesiview.cssnode_modules : f12: ...
you can develop css, independently and introduce it in the form of link, and the other is webpack development, which is packaged directly to the corresponding page, so what are the advantages and disadvantages of these two ways? ...
I find a problem when I use freemaker to static a web page. I don t know how to solve it. For example, the @ copy part of the foot of a website should always be the same. For example, I make the home page static. Every time I add a message, I modify the...