what does this function mean? when reading api, its explanation is not very clear. ...
1. In node.js, the value usage ${} is in a string, but in console.log output, the console gets a string with ${} and does not replace the value of the variable. app.use(async (ctx, next) => { const start = new Date().getTime(); await next();...
has someone written a WeChat web page similar to ele.me? now one function is to achieve the same function as ele.me app. The left menu of hot items and the following categories share a common item. Whether you click on popular items or click on the items...
how does the xml of wordpress enter the mysql database? <rss version="2.0" xmlns:excerpt="http: wordpress.org export 1.2 excerpt " xmlns:content="http: purl.org rss 1.0 modules content " xmlns:wfw="ht...
about python list derivation, if else always doesn t understand. Ask God to know , as shown in the following code list_range=[1,2,3,4,5] cnum=5 list_range[(cnum-3) if (cnum-3)>0 else 0:cnum-1] the final output result is [3br 4] according to my un...
looked up for a long time, but couldn t find out how to use the command to create services, components, etc., in the specified directory, and moved the directory files manually each time. for example, I want to put the member management page in the s...