query the top N users with the largest number of courses, and the number of courses should also be queried the corresponding sql is as follows: <select id="getUserWithMostFans" resultMap=""> SELECT t.userId,t.selectNum ...
there are checked, under several different div to get the selected values and put them in different arrays <div class="content"> <div class="selectContent1"> <input type="checkbox" value="...
npmGitHub in addition, Dependencies stores dependencies in project or component code, while devDependencies stores packages or build tools that test code depends on. For example, css-loader and es6-loader can be put in it, right? But what if I pu...
the company uses rocketmq message middleware. With the growth of business, it will be reported occasionally recently: [TIMEOUT_CLEAN_QUEUE] broker busy, start flow control for a while, period in queue: 206ms, size of queue: 5 I have made a version u...
problem description Wechat official account web interface, when the user refuses to obtain personal public information, how to prevent the user from entering this interface? ...
it takes less than two seconds to boot on my computer. on the computer: Server startup in 1287 ms on the server, 277129 ms servers: Nov 30, 2018 11:29:40 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Server version: Apache To...