本文已发表在嘶吼RoarTalk,未经授权,请勿转载! http://www.4hou.com/technology/10173.html 最佳阅读体验版:https://stackedit.io/viewer#!url=https://raw.github.com/Zer0d0y/BTFM/master/README.md 前言   红蓝对抗的思想最早可追溯到我国现存最早的一部兵书<孙子兵法>,孙子·谋攻篇:“知彼知己,百战不殆:”,意为如果对敌我双方的情况都能了解透彻,打多少次仗都不会失败

Refer to http://www.oracle.com/technetwork/tutorials/tutorials-1876574.html for detail. 一些内容复制到这儿 The G1 Garbage Collector The Garbage-First (G1) collector is a server-style garbage collector, targeted for multi-processor machines with large memories

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2602 Bone Collector Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 54132    Accepted Submission(s): 22670 Problem Description Many years ago , in

Jmeter由于是开源工具,所以目前有很多插件可以供使用,最简单的方法是先把Plugin Manager安装了 下载地址:https://jmeter-plugins.org/wiki/PluginsManager/ 解压放到lib/ext目录下后,启动Jmeter即可在工具栏选项中看到,然后选择一些你需要的插件进行安装 这里介绍一款比较有用的插件PerfMon Metrics Collector,用来监控CPU,memory等系统资源 注意到蓝色的链接,可以打开该插件的帮助,仔细看就会发现,你

在网上找了很多,都不是我想要的,后来发现是我在springaop注解的时候 写错了类名导致的这个问题 @Pointcut("execution(* com.xxx.collector.service.impl.XxxServiceImpl.add(..))") public void pointcutExpression() { } 如上所示的部分写错了导致的 第一次用aop.... 希望可以帮到跟我一样的第一次使用aop出现这种错误的人

Bone Collector II Time Limit: 5000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4229    Accepted Submission(s): 2205 Problem Description The title of this problem is familiar,isn't it?yeah,if you had took par

容斥原理+状压 Card Collector Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1940    Accepted Submission(s): 907Special Judge Problem Description In your childhood, do you crazy for collecting the bea

Problem Description Many years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. This man like to collect varies of bones , such as dog’s , cow’s , also he went to the grave …The bone collector had a big bag with a volume of

题目链接:http://acm.hust.edu.cn/vjudge/contest/view.action?cid=87125#problem/N 题目: Description Many years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. This man like to collect varies of bones , such as dog’s , cow’s , also h

有些资料中,为区别parallel collector ,将应用与gc并发成为并行,在接下来的文章中,仍称为并发. -XX:useConcMarkSweepGC,可以用于minor gc和major gc cms在gc时,也会有两次短暂停,垃圾收集线程与应用线程并发 并发失败: 如果无法及时清理内存和分配内存,也会暂停整个应用. OutOfMemoryException: 如果超过98%的时间用来gc,但每次恢复内存不足2%,会抛出该异常.与parallel collector不同, 98%时间

问题说明:在一台zabbix被监控服务器上(64位centos6.8系统,64G内容)启动zabbix_agent,发现进程无法启动,10050端口没有起来! 启动zabbix_agent进程没有报错,但10050端口没有正常启动起来.[root@ctl ~]# /usr/local/zabbix/sbin/zabbix_agentd[root@ctl ~]# ps -ef|grep zabbix_agentroot 27506 27360 0 11:07 pts/5 00:00:00 grep

Bone Collector II Time Limit: 5000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 4178    Accepted Submission(s): 2174 Problem Description The title of this problem is familiar,isn't it?yeah,if you had took pa

http://acm.split.hdu.edu.cn/showproblem.php?pid=4336 Card Collector Special Judge Problem Description   In your childhood, do you crazy for collecting the beautiful cards in the snacks? They said that, for example, if you collect all the 108 people i

Bone Collector II Time Limit: 5000/2000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 3042 Accepted Submission(s): 1578 Problem Description The title of this problem is familiar,isn't it?yeah,if you had took part in

Card Collector Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3001    Accepted Submission(s): 1435Special Judge Problem Description In your childhood, do you crazy for collecting the beautiful

Artifacts Gallery - Seahorse Collector, The

Bone Collector http://acm.hdu.edu.cn/showproblem.php?pid=2602 Problem Description Many years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. This man like to collect varies of bones , such as dog’s , cow’s , also he went to

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2602 题目分析:0-1背包  注意dp数组的清空, 二维转化为一维后的公式变化 /*Bone Collector Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 34192 Accepted Submission(s): 14066 Proble

Bone Collector II Time Limit: 5000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1334    Accepted Submission(s): 666 Problem Description The title of this problem is familiar,isn't it?yeah,if you had took par

前言: 最近看了google的工程师写的一个非常简单的垃圾收集器,大概200多行C代码,感叹大牛总能够把复杂的东西通过很简单的语言和代码表达出来.为了增加自己的理解,决定把大牛的想法和代码分析一遍,与大家分享,顺便结合wikipedia,复习下GC的基本概念. 相信大家在写程序的过程中都遇到内存管理的问题,诸如malloc/delete.new/free等,C/C++需要程序员主动进行内存的释放,即垃圾内存的回收,而像Java就提供了GC机制来自动进行垃圾回收. 一.垃圾与垃圾回收 为什么需要进