rule (the result of formula calculation is the ranking of topic heat): : I would like to ask how such a requirement can reduce the consumption of server performance, can you tell me about the solution? ...
demand: an array Each element of the array is a string The string may be empty, that is, " " sort the array with special characters first and strings of length 0 first, that is, the example in requirement 3, followed by underscores. Other sp...
convertCanvasToImage () { var target = document.getElementById("app"); target.style.background = "-sharpFFFFFF"; html2canvas(target, { onrendered:function(canvas) { var contentWidt...
this is the configuration, the project is generated by nuxt, and the browser cannot enter the breakpoint when requesting the interface of koa router. Why? index.js:57 has an error Error: listen EADDRINUSE 127.0.0.1 Error: listen EADDRINUSE source-m...
keep reporting errors, using version 3.10.0 Description: An attempt was made to call the method org.redisson.api.RTopic.addListener(Lorg redisson api listener MessageListener;)I but it does not exist. Its class, org.redisson.api.RTopic, is available ...
the vue project determines the route directly to the mobile terminal if the mobile terminal is redirected to the mobile terminal in router.beforeeach. Else is pc, so load the root route. the problem now is that when the mobile terminal accesses, it will...
The deconstruction of the function does not quite understand the red arrows in this. Why undefined? Is it not true that when let {XMagi y} = {XRO 0PersonyGl} , x can output equal to 0LI YQ 1, although XMagi y is a pattern and the assignment is assig...