原创 Apache ZooKeeper
**The Apache ZooKeeper system for distributed coordination is a high-performance service for building distributed a
原创 Garbage Collectors
There are four main garbage collectors available in current JVMs: serial collector(used for single-CPU machines)
原创 Jackcess
Jackcess is a pure Java library for reading from and writing to MS Access databases (currently supporting versions
原创 我向生活索取一個銅板
我向生活索取一個銅板, 生活卻並不想給我, 無論我在黑夜如何乞求, 卻只能默默忍受着微薄的收入。 生活就是一個僱主, 它會按照你的要求給付, 而一旦自己定了薪酬, 就要承擔相應的工作。 我的追求不高, 卻驚異的知道, 原來我的所有要求
原创 Java – Convert date and time between timezone
In this tutorial, we will show you few examples (ZonedDateTime (Java 8), Date, Calendar and Joda Time) to convert
原创 How to pass new hidden value to backing bean in JSF
https://www.mkyong.com/jsf2/how-to-pass-new-hidden-value-to-backing-bean-in-jsf/ In some cases, you may need to pass
原创 Oracle 地址
https://docs.oracle.com/cd/A57673_01/DOC/products.htm
原创 設計模式
創建型模式 工廠模式 抽象工廠模式 單例模式 建造者模式 原型模式 結構型模式 適配器模式(Adapter Pattern) 橋接模式(Bridge Pattern) 過濾器模式(
原创 Spring定時任務Quartz Scheduler
https://docs.spring.io/spring/docs/current/spring-framework-reference/html/scheduling.html 1.pom.xml <dependenc
原创 正則表達式
表1.常用的元字符 符號 說明 . 匹配除換行符以外的任意字符 \w 匹配字母或數字或下劃線或漢字 \s 匹配任意的空白符 \d 匹配數字 \b 匹配單詞的開始或結束 ^ 匹配字符串的開始 $ 匹配字符
原创 Dubbo文檔
http://dubbo.io/books/dubbo-user-book/ http://www.iqiyi.com/paopao/u/1424282988/#curid=8101786809_483f510cdafd5d5422fbc
原创 guava Working with Collections
guava Map Table Range import com.google.common.collect.*; import java.util.Map; public class MyMultimaps { pub
原创 Docker入門一安裝
Install Docker on Ubuntu Linux $ curl -fsSL https://get.docker.com/ | sh 安裝成功後 docker version sudo service docker star
原创 Docker入門二構建自己的image
download docker image $ docker run docker/whalesay cowsay boo build your own image docker run docker/whalesay cowsay b
原创 intellij idea git fetch failed fatal:Authentication failed for
Idea重置Git master密碼 https://www.jetbrains.com/help/idea/2016.3/handling-passwords-for-git-remote-repositories.html