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https://mongodb.github.io/mongo-java-driver/ http://mongodb.github.io/mongo-java-driver/4.0/ http://mongodb.github.io/mongo-java-driver/4.0/driver-rea 阅读全文
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JVM性能调优监控工具jps、jstack、jmap、jhat、jstat、hprof使用详解 https://mp.weixin.qq.com/s?__biz=MzAxODcyNjEzNQ==&mid=2247488758&idx=1&sn=22c85fc8d774a14ac73be99c82eb 阅读全文
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Netty事件监听和处理(下) https://www.jianshu.com/p/a41be671b999 这可能是目前最透彻的Netty原理架构解析 https://www.sohu.com/a/272879207_463994 阅读全文
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GC Roots的对象,以及对java类中的成员变量,局部变量,静态变量和常量的不同回收时机的解析 https://blog.csdn.net/qq_29951485/article/details/89874606 阅读全文
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1. mkdir -p /home/用户名/.ssh 2. 保证本地机器生成公钥和私钥,并把公钥追加到远程机器的authorized_keys文件里可以windows上执行ssh-keygen,复制windows C:\Users\用户名\.ssh\id_rsa.pub公钥文件内容到linux /h 阅读全文
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深入浅出MongoDB复制 https://mongoing.com/archives/5200 mongoDB释放磁盘占用 https://www.jianshu.com/p/e905ff4d85ff MongoDB如何释放空闲磁盘空间? https://cloud.tencent.com/dev 阅读全文
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import java.util.concurrent.atomic.AtomicReference; public class Test { private static AtomicReference<Long> currentTime = new AtomicReference<>(15876 阅读全文
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https://blog.csdn.net/newborn2012/article/details/22067965 1.mail.htm: From: sender<sender@xxx.com>To: receiver<receiver@xxx.com>Subject: subjectConte 阅读全文
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import java.io.IOException; import java.io.InputStream; import java.nio.charset.StandardCharsets; import org.apache.commons.io.IOUtils; try { InputStr 阅读全文
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<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <style type="text/css"> .mytable {border-collapse:co 阅读全文