the source of the problem: now both in the book and online are to divide a bunch of data sets with known prediction results into test sets and training sets, and then look at the accuracy between the prediction results and the real value, and report wha...
problem description 1 3 2 4 6 5 7 9 8 10 from top to bottom, you can only take one step on the left (L) or right (R) at a time, and then add up the numbers to find the path with the maximum value and the maximum value. how to write this algorith...
according to the weui.js document example; var uploadCount = 0; weui.uploader( -sharpuploader , { url: http: localhost:8081 , auto: true, type: file , fileVal: fileVal , compress: { width: 1600, height: 1600, ...
(resolved) the path of the app file output by the server corresponds to the one-to-one correspondence in the vuerouter configuration after the vue-cli is packaged, the js of the page can see that the content is returned in the console, and the page do...
when opening a file using fopen while (! feof ($File)) {) $arr = explode(" t", trim(fgets($File))); echo $arr[1]; } when making a judgment, because the last line of the open file is a blank line, use the index value of the array to output ...
In the high concurrency environment, I want to record the number of clicks per click. The database self-increasing field is id , but there is already a lot of data in it. You can t use id to identify the clicks. If there is any way of thinking, there w...
has been messing with Tencent Map recently, and then the product manager asked that there are two states of Marker, selected and unselected. When I click on one of the annotations, the style is replaced by the selected style, and if it was previously se...