for example, in the beforeCreated hook: ...
there are 10 questions in the examination paper, each with a time limit of 6 seconds, and the time automatically jumps to the next question. current idea: every time the examinee answers a question, save the data with session. When you hand in the paper...
I want to make a log analysis system based on mongodb. A single document is as follows: { "_id" : ObjectId("5c6a14c4421aa97a4714b291"), "some":"data" "startTime" : ISODate("2019-02-18T0...
css .box2{ width: 100%; height: 100px; background-color: black; position: fixed; top: 0; left: 0; } .box3{ width: 100%; height: 100px; background-color: red; margin-top: 200px; } html <div class="box1&...
problem description use KOA2+Sequelize to make a simple todo column, access the remote interface, add and modify actions, and the local store data is emptied the environmental background of the problems and what methods you have tried search Baidu...
I am a newcomer to js, this is an example in knockout.js html First name: <input data-bind="value: firstName" > Last name: <input data-bind="value: lastName" > Full name: <strong data-bind="text: fullName&quo...