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...
before loading, the vendor package is about 3m, which is very fast. vendor9Mhmr would you like to optimize the scheme again? ...
The problem is that due to the heavy use of css3 in the project has added three meta to the page. <meta name="renderer" content="webkit" > <meta name="force-rendering" content="webkit" > <meta ...
look up the relevant materials and use <video id="video" webkit-playsinline="true" playsinline="true" preload>< video> these two attributes can still click the play button on the real machine, which defaults t...
function saveWeixinFile($filename, $filecontent) { if(!file_exists($filename)) { $local_file = fopen($filename, w ); if(false !== $local_file) { if(false !== fwrite($local_file, $filecontent)) { ...
my mintui is loaded through cdn. How can I introduce css of mintui? Do you need to write an extra link introduction? ...