use an article details interface written in the koa framework, router is: post :id. When the address bar enters localhost:3000 post 5c3edc8815ec073b1c221563, the article details API is called twice in a row. The id obtained by for the first time is ...
in other words, the bottom layer first obtains Reflect.ownKeys , and then excludes inenumerable ones, thus getting the result of Object.keys . or is there a special acceleration channel for the acquisition of enumerable attributes, while Reflect.ow...
problem description after putting some animations made by canvas into vue, stutters obviously appear the environmental background of the problems and what methods you have tried The animation code comes from https: github.com Whitevinyl., which ...
1. Expectation: the width of the outer div wants to adapt to the size of the inner div 2. Currently: this is the style of the outer div, so the width of setting div,div cannot increase .compareGraph [data-v-19dfcc85] { as the content increases. paddin...
the picture is a screenshot of the official website (because the company does not allow external screenshots, the actual image cannot be put here), and there is no running time of the js code on the left. the execution time of the js code on the left ...
how does JS achieve traversal progress display without increasing browser IDLE time? is doing a pure front-end log file analysis tool. This process requires two iterations. initially did not consider the performance problem, the direct use of for, 5...
for example, adding a large amount of SurfaceView to recycleView will cause frame drop. Who can help solve the problem? thank you. -sharp-sharp-sharp problem description the environmental background of the problems and what methods you have tried re...
during the interview, the interviewer told me that the performance of TreeMap was not good. Could you switch to another one? at that time, I thought he was fooling me, but now I still haven t found an orderly map with better performance! ...
when PHP uses queues to send text messages and mail in batches, curl http loops request Ali takes up a lot of cpu when the request Ali is larger than the interface, resulting in slow website access. In this case, how to optimize it ...
the following code uses the translate attribute of css and js monitoring gesture to realize the movement and scaling of the picture. When the data is an array, jitter will appear on the real machine, and it will be normal on the simulator. Please give u...
Xiaobai asks a question: on a server (such as 4core 16G), use docker to run a web application and launch only one container. I understand that docker is a process, so will there be any performance problems in the docker container? Can you make full use o...
at present, there is a function in a high-performance module in the project, which needs to be saved in cache all the time. A large number of other non-high-performance operations may be called during the execution of this function. The test result with...
there used to be a project in which the video player was written in jquery, but now the backend management system of vue needs to use the same video playback function. I split the previous video player using jq into a html and a js,. I would like to ask...
assign a to b let a = [{ m: 1 }] let b = [...a] b[0].m = 2 console.log(a) console.log(b) result: [{m: 2}] a [{m: 2}] b when you change the attribute of an element in b, the m attribute in the corresponding element of an also changes ...
upstream source { server 192.168.28.129:80 weight=1 max_fails=2 fail_timeout=30s; server 192.168.28.130:80 weight=1 max_fails=2 fail_timeout=30s; } server { listen 80; server_name down1.example.com; location source ...
at present, according to the introduction of vue and jquery, on mobile and pc, the project wants to introduce these two third-party libraries into different pages through webpack, and at the same time, how to configure other public files into vendor? ...
using flexible layout, I originally intended to make the following page. The width of the right box div2 is the rest of the screen width, and the ul has a lot of li , which can be scrolled horizontally. html css The width of div2 has be...