原创 ASCII，Unicode和UTF-8
原文網址：http://www.ruanyifeng.com/blog/2007/10/ascii_unicode_and_utf-8.html1. ASCII碼我們知道，在計算機內部，所有的信息最終都表示爲一個二進制的字符串。每一個二進制
2019-02-22 19:27:27
原创 Spring MVC
使用 Spring 2.5 基於註解驅動的 Spring MVC：http://www.ibm.com/developerworks/cn/java/j-lo-spring25-mvc/SpringMVC框架介紹http://www.blo
2019-02-22 19:27:25
原创 LinkedHashMap和HashMap的比較使用
java爲數據結構中的映射定義了一個接口java.util.Map;它有四個實現類,分別是HashMap Hashtable LinkedHashMap 和TreeMap.Map主要用於存儲健值對，根據鍵得到值，因此不允許鍵重複(重複了覆蓋
2019-02-22 19:27:25
原创 Checksum
A checksum is a simple type of redundancy check that is used to detect errors in data.Errors frequently occur in data
2019-02-22 19:27:25
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原创 The Definition of FTP
FTP: Stands for "File Transfer Protocol." It is a common method of transferring files via the Internet from one computer
2019-02-22 19:27:25
原创 在ubuntu13.10中安裝eclipse ，沒有菜單的解決方案
if you've downloaded Eclipse from their official website, follow these steps for the installation to show the menu.1. Mo
2019-02-22 19:27:25
原创 FileSystem
Firstly:FileSystem---Method---->(FsDatInputStream)open()；open:get the input stream,FsDatainputStream----extends---DataIn
2018-09-11 07:18:54
原创 Interface DataInput && DataOutput
1.java.ioInterface DataInputAll Known Subinterfaces:ImageInputStream, ImageOutputStream, ObjectInputAll Known Implementi
2018-09-11 07:18:53
原创 多節點的 Hadoop-2.2.0 的安裝步驟
1.環境描述： 1）三臺cp。 2）VMware-player 3）Ubuntu 13.10 4）Hadoop 2.2.0 5)
2018-09-11 07:18:53
原创 The Difference between HTTP and HTTPS
HTTP：Stands for "HyperText Transfer Protocol." This is the protocol used to transfer data over the World Wide Web. That'
2018-09-11 07:18:53
原创 PRC
Remote Procedure Call (RPC)Itis aprotocol that one program can use to request a service from a program located in anothe
2018-09-11 07:18:53
原创 學習hadoop的網址
1.hadoop源碼：http://grepcode.com/project/repo1.maven.org/maven2/org.apache.hadoop/hadoop-common/2.hadoop主要方法：http://hadoop
2018-09-11 07:18:53
原创 The Comparator and Comparable in Java
One of the common interview question is ‘What are differences between Comparator and Comparable’. or ‘How will you s
2018-09-11 07:18:53
原创 在VMware-player中安裝 VMware Tools的步驟
1).用root身份登錄ubuntu後，player----管理----安裝VMware Tools 3)把上述文件複製到 /home/用戶爲名的文件夾中例如本人把上述文件複製到 /home/tgl/tglFile中了4）.首先我進到該文件
2018-09-11 07:18:53