public enum Level {
/**
* Disables resource leak detection.
*/
//取消内存泄露检测
DISABLED,
/**
* Enables simplistic sampling resource leak detection which reports there is a leak or not,
* at the cost of small overhead (default).
*/
//使用抽样检测的方式(抽样间隔为:samplingInterval),并且仅仅只是打印是否发生了内存泄露,
SIMPLE,
/**
* Enables advanced sampling resource leak detection which reports where the leaked object was accessed
* recently at the cost of high overhead.
*/
///使用抽样检测的方式(抽样间隔为:samplingInterval),并且打印哪里发生了内存泄露
ADVANCED,
/**
* Enables paranoid resource leak detection which reports where the leaked object was accessed recently,
* at the cost of the highest possible overhead (for testing purposes only).
*/
//对每一个对象都进行检测,并且打印内存泄露的地方,我就是这么任性,这么偏执。负载较高,适合测试模式
PARANOID
}
public class Server
{
//用来存储所有连接上来的客户
private List<ServerThread> clients;
public static void main(String[] args)
{
Server s = new Server();
s.startServer(9988);
}
publi
I got serveral questions about auto.offset.reset. This configuration parameter governs how consumer read the message from Kafka when there is no initial offset in ZooKeeper or
two cursors.
Make the first cursor go K steps first.
/*
* 第 13 题:题目:输入一个单向链表,输出该链表中倒数第 k 个节点
*/
public void displayKthItemsBackWard(ListNode head,int k){
ListNode p1=head,p2=head;
一、sh 脚本不执行的原因
sh脚本不执行的原因 只有2个
1.权限不够
2.sh脚本里路径没写完整。
二、解决You have new mail in /var/spool/mail/root
修改/usr/share/logwatch/default.conf/logwatch.conf配置文件
MailTo =
MailFrom
三、查询连接数
$ git push joe prod-2295-1
To [email protected]:joe.le/dr-frontend.git
! [rejected] prod-2295-1 -> prod-2295-1 (non-fast-forward)
error: failed to push some refs to '[email protected]