1242. Werewolf Time limit: 1.0 secondMemory limit: 64 MB Knife. Moonlit night. Rotten stump with a short black-handled knife in it. Those who know will understand. Disaster in the village. Werewolf. There are no so many residents in the village. Ma
根据书本写了下面这个监听器,然后开始调试,打开一个浏览器来访问该网页,可以正常触发sessionCreated,然后关闭浏览器,发现没有触发sessionDestroyed,然后我怀疑是不是这个监听器的机制有问题,等了好几分钟都没有反应. @WebListener public class OnlineUserCounter implements HttpSessionListener { private static int counter; public static int getCoun
// 1.自调防止全局变量污染(function( window ) { var version = '1.0.0'; var document = window.document; var arr = []; var push = arr.push; var slice = arr.slice; var concat = arr.concat; var obj = {}; var toString = obj.toString; var hasOwn = obj.hasOwnProperty;