when using express+hbs, routing incoming data needs to be used in the page js. My idea is to define the data as variables in the data, as follows: : is this way of thinking wrong? Or can only write an interface, js directly request the interface ...

hello big red cat hello big red dog hello yellow bird hello 123 555 blue cat and dog ... in a paragraph of text, I need to match to hello big red cat hello 123 555 blue cat this is how I wrote these two sentences hello[ s S]*cat$ results match all...

I can run before packaging without any error reports. This problem occurs after packaging. reports such an error in the browser, using scaffolding made by create-react-app, and the back end is Node.js, backend. No error is reported: packages two diff...

in the development of the ElementUI+Express project, uploading pictures encountered this problem: 1ElementUI: <el-upload action="http: localhost goods addNewGoodsPicture" :limit="1" :onError="uploadError" :onSuccess=&q...

after installing the extension of nunjucks, when you open the template file of nunjucks, you will be prompted that there is no formatter for the nunjucks file when you format the file. how to format the template file of nunjucks? ...

? & ab&cd&ef matching rules [&] {0jue 1} ab and [&] {0jue 1} cd replacement characters are empty but the results of the two machines are different: one is? & ef, and the other is normal? & ef is it because {0jimi 1} to match? ...

1. The string str= "zz=aaa,bb=bbb,cc=ccc;User=ZZZ&zz=aaa1&bb=bbb1&cc=ccc1 " 2. To implement, for example, I pass in the parameter zz, and find the value of aaa1 in the zz=aaa1 after User=ZZZ. How to write the corresponding rule? ...

like this SELECT * FROM material WHERE {key:value} limit 1 ...

as shown in the figure, on the server side, the results of the local query are all correct, but why the request is not correct in the node environment ...

for example, a string: American (United States of) to extract: (United States of) or Abcde (Df WD asdAS ASDW) to extract: (Df WD asdAS ASDW) to use regular expressions Thank you guys ...

suppose I have the following HTTP methods router.post( ,(req,res,next)=>{}) router.get( ,(req,res,next)=>{}) order router.get( :orderId ,(req,res,next)=>{}) order router.patch( :orderId ,(req,res,next)=>{}) order router.d...

$res = preg_match_all( src="(.+ .(png|jpg))"+? , <img src=" Public attached image 20170227 20170227143202_25223.jpg" alt="" ><img src="Public attached image 20170227 20170227143202_25223.jpg" alt=&...

how to use socket.io in express4.x version routing? I ve been looking for the answer for a long time. The Internet is full of express3.x version ....

recently, we have systematically learned the knowledge related to development security. As the data entry of web system, the security of the system can not be ignored. Therefore, it is necessary to strictly check the data entry at the entrance in order ...

as shown in the figure, every time I create data, it returns at a strange time adding this has no effect timezone: +08:00 ...

recently learned python regular expressions, want to use regular expressions to extract the specified string in multiple lines I have been searching the Internet for a long time, and there are a lot of people asking questions on the Internet, but they...

I want to find out how to change all the primaryKey, of a table ...

set up a background management page with Node.js+Vue+UEditor. The UEditor image upload can be used, and the uploaded image can be viewed normally in the UEditor editor . now the problem is that when I open another web service, I can t get the picture ...

question: take out the values of status and request_time in the log: this log cannot be matched by script: {"@timestamp":"2018-03-30T19:24:26+08:00","server_addr":"172.31.0.24","remote_addr":"10....

I see an example when he deletes the id is put in the url, as follows router.delete( :id ,function(req,res){}) but you do put it in req.body when you update it, as follows router.update( ,function(req,res){ req.body._id }) Why is this?...