this is a comment page of a school curriculum grading system. I want to do this: 1. Count the number of words in each comment 2. When the whole loop is over, count out the total number of words of all comments < div id= "header " > < H1 > Course R...
I am a novice. At present, I have encountered some confusion when learning set data types in Es6, as follows: in the Es6 about Ruan Yifeng, it is mentioned that set types can be used to intersect and judge sets, but I have tried it unsuccessfully. ...
mainly adds permission page control to the backend management system. For example, administrators can access all pages, while junior staff can only access some pages . the main problem is how to control the page in the middleware. In the vue set I curr...
Mini Program provides two componentized tools, template and custom components. If I want to reuse functional modules, I will choose custom components, so what is the usage scenario of the template ...
I recently studied Python and encountered some questions about meta-ancestors and lists, as follows: Python version is 3.6 the code is as follows: [1, 2] + [[3]] -sharp -> [1, 2, [3]] (1, 2) + ((3),) -sharp (1, 2, 3), (1, 2, (3))? -sharp...
only ps-A find the PID of gunicorn, and then directly kill-9 , is there any other safe and elegant way? ...
I m here to ask a question. I want to complete a function of moving, rotating and zooming the picture. Because you want to open multiple pictures and don t block the content behind the picture, you don t use canvas and svg . <div> <...