want to make a website to put some photos that you usually take, but the picture files are a little big, almost all about 10m, loading is very slow, stutter is obvious, my own idea now is to use PS to compress all the existing photos to the minimum, the ...
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 ...
you need to use ThreeJS to make an object, but the shape of the object is unpredictable, so it can t be stored. Generation in motion (relying on setinterval) makes the number of frames very low; and somehow memory grows so fast that it takes dozens of s...
The following pictures, such as png, jpg, gif, etc., are unavoidable in the website. when doing performance optimization, the image is usually made into a sprite image to reduce http requests, and the size of the image is reduced as much as possible t...
scene: several engineering paving vehicles need to draw the path trace in real time, because the trace needs to be used in the back roller, so the trace cannot be destroyed, but the page disappears and crashes out of memory in a short time. Is there any ...
in fact, my problem comes from here: Allowed memory size of 536870912 bytes exhausted (tried to allocate 12288 bytes) I think 512m is already very large. If it exceeds this size, there must be something wrong with the program, but the first thought...
thrift has good performance in the current mainstream RPC framework. If you still want to achieve higher performance and throughput, what should you start with? Or what is the current performance bottleneck of thrift? ...
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 ...
how to solve the problem that the content download time of ajax request is too long? As in the picture, this time is a few milliseconds, but my question now is that this time is more than 1 second? How to optimize it? have you ever encountered of this...
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...
public class Array < T > { private T[] arr; public Array(){ arr = (T[]) new Object[10]; } } can be executed in this way, but an error occurs when T extends Comparable < T > how should it be defined ...
pulled the image of apache zeppelin and wanted the container to use the local ApacheDS for login management. the conf shiro.ini file of zeppelin needs to be configured at this time. I tried to enter the container to modify the configuration file, but...
<script> let step = 10, index = 0, flag = -1, dis = 0, width = 400, num = 5; const pics = [ .. one.jpg , .. two.jpg , .. three.jpg , .. four.jpg , .. five.jpg ]; le...
window.open(url) the usual practice is to generate a url download address at the front end, and then simulate the click event of the browser or call window.open to download the file, but now you need to add the header of Authorization to header. How to ...
how to use vue to trigger this function similar to jquery triger () to realize tab switching. I think the tab switching of element does not give the switching operation of api ...