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         摘要: 關(guān)于自動完成的別人的例子,學(xué)習(xí)一下。  閱讀全文
    posted @ 2009-05-08 15:27 Hill 閱讀(178) | 評論 (0)編輯 收藏
     
         摘要: 今天遇到要用replaceAll(),看到很多人對其也有困惑.我在此記錄下來  閱讀全文
    posted @ 2009-04-29 10:59 Hill 閱讀(116733) | 評論 (5)編輯 收藏
     

    今天打算啟用一下Oracle Database 11g的Database Control,發(fā)現(xiàn)初始并未安裝:

    [oracle@test126 ~]$ emctl start
    EM Configuration issue. /opt/oracle/product/11.1.0/test126.hurray.com.cn_dodd not found.

     

    遇到這類問題,可以通過重新配置,來創(chuàng)建EM的配置文件:

    [oracle@test126 11.1.0]$ emca -config dbcontrol db -repos recreate

     

    STARTED EMCA at Aug 28, 2007 11:54:40 AM
    EM Configuration Assistant, Version 11.1.0.5.0 Production
    Copyright (c) 2003, 2005, Oracle. All rights reserved.

    Enter the following information:
    Database SID: dodd
    Listener port number: 1521
    Password for SYS user:
    Password for DBSNMP user:
    Password for SYSMAN user:
    Password for SYSMAN user: Email address for notifications (optional): eygle@eygle.com
    Outgoing Mail (SMTP) server for notifications (optional):
    -----------------------------------------------------------------

    You have specified the following settings

    Database ORACLE_HOME ................ /opt/oracle/product/11.1.0

    Local hostname ................ test126.hurray.com.cn
    Listener port number ................ 1521
    Database SID ................ dodd
    Email address for notifications ............... eygle@eygle.com
    Outgoing Mail (SMTP) server for notifications ...............

    -----------------------------------------------------------------
    Do you wish to continue? [yes(Y)/no(N)]: Y
    Aug 28, 2007 11:56:58 AM oracle.sysman.emcp.EMConfig perform
    INFO: This operation is being logged at /opt/oracle/cfgtoollogs/emca/dodd/emca_2007_08_28_11_54_40.log.
    Aug 28, 2007 11:57:01 AM oracle.sysman.emcp.EMReposConfig invoke
    INFO: Dropping the EM repository (this may take a while) ...
    Aug 28, 2007 11:57:16 AM oracle.sysman.emcp.EMReposConfig invoke
    INFO: Repository successfully dropped
    Aug 28, 2007 11:57:16 AM oracle.sysman.emcp.EMReposConfig createRepository
    INFO: Creating the EM repository (this may take a while) ...


    Aug 28, 2007 12:08:35 PM oracle.sysman.emcp.EMReposConfig invoke
    INFO: Repository successfully created
    Aug 28, 2007 12:08:47 PM oracle.sysman.emcp.EMReposConfig uploadConfigDataToRepository
    INFO: Uploading configuration data to EM repository (this may take a while) ...
    Aug 28, 2007 12:11:45 PM oracle.sysman.emcp.EMReposConfig invoke
    INFO: Uploaded configuration data successfully
    Aug 28, 2007 12:11:51 PM oracle.sysman.emcp.util.DBControlUtil configureSoftwareLib
    INFO: Software library configured successfully.
    Aug 28, 2007 12:11:51 PM oracle.sysman.emcp.EMDBPostConfig configureSoftwareLibrary
    INFO: Deploying Provisioning archives ...
    Aug 28, 2007 12:12:13 PM oracle.sysman.emcp.EMDBPostConfig configureSoftwareLibrary
    INFO: Provisioning archives deployed successfully.
    Aug 28, 2007 12:12:13 PM oracle.sysman.emcp.util.DBControlUtil secureDBConsole
    INFO: Securing Database Control (this may take a while) ...
    Aug 28, 2007 12:12:39 PM oracle.sysman.emcp.util.DBControlUtil secureDBConsole
    INFO: Database Control secured successfully.
    Aug 28, 2007 12:12:39 PM oracle.sysman.emcp.util.DBControlUtil startOMS
    INFO: Starting Database Control (this may take a while) ...
    Aug 28, 2007 12:14:04 PM oracle.sysman.emcp.EMDBPostConfig performConfiguration
    INFO: Database Control started successfully
    Aug 28, 2007 12:14:04 PM oracle.sysman.emcp.EMDBPostConfig performConfiguration
    INFO: >>>>>>>>>>> The Database Control URL is https://test126.hurray.com.cn:1158/em <<<<<<<<<<<
    Aug 28, 2007 12:14:16 PM oracle.sysman.emcp.EMDBPostConfig invoke
    WARNING:
    ************************ WARNING ************************

    Management Repository has been placed in secure mode wherein Enterprise Manager data will be encrypted. The encryption key has been placed in the file: /opt/oracle/product/11.1.0/test126.hurray.com.cn_dodd/sysman/config/emkey.ora. Please ensure this file is backed up as the encrypted data will become unusable if this file is lost.

    ***********************************************************
    Enterprise Manager configuration completed successfully
    FINISHED EMCA at Aug 28, 2007 12:14:16 PM

     

    Oracle 10g中,配置方法與此相同。
    配置完成之后就可以啟動EM了:

    [oracle@test126 11.1.0]$ emctl start dbconsole
    Oracle Enterprise Manager 11g Database Control Release 11.1.0.6.0
    Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
    https://test126.hurray.com.cn:1158/em/console/aboutApplication
    Starting Oracle Enterprise Manager 11g Database Control ........ started.
    ------------------------------------------------------------------
    Logs are generated in directory /opt/oracle/product/11.1.0/test126.hurray.com.cn_dodd/sysman/log

     

    如果是Linux環(huán)境,你可能還需要在iptables中開放1158端口,增加如下一行:
    -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 1158 -j ACCEPT

    重新啟動防火墻之后就可以通過IE在遠(yuǎn)端連接EM的Database Control了:

    [root@test126 sysconfig]# service iptables restart
    Flushing firewall rules: [ OK ]
    Setting chains to policy ACCEPT: filter [ OK ]
    Unloading iptables modules: [ OK ]
    Applying iptables firewall rules: [ OK ]
    Loading additional iptables modules: ip_conntrack_netbios_ns [ OK ]

     


    -The End-

    posted @ 2009-04-23 15:13 Hill 閱讀(867) | 評論 (0)編輯 收藏
     
         摘要: 簡單來說序列化就是一種用來處理對象流的機(jī)制,所謂對象流也就是將對象的內(nèi)容進(jìn)行流化,流的概念這里不用多說(就是I/O),我們可以對流化后的對象進(jìn)行讀寫操作,也可將流化后的對象傳輸于網(wǎng)絡(luò)之間(注:要想將對象傳輸于網(wǎng)絡(luò)必須進(jìn)行流化)!在對對象流進(jìn)行讀寫操作時(shí)會引發(fā)一些問題,而序列化機(jī)制正是用來解決這些問題的!
      閱讀全文
    posted @ 2009-03-12 15:11 Hill 閱讀(556) | 評論 (1)編輯 收藏
     
         摘要: 是Logic 標(biāo)簽庫中最復(fù)雜的標(biāo)簽,也是用途最廣的一個(gè)標(biāo)簽,它能夠在一個(gè)循環(huán)中遍歷數(shù)組、Collection、Enumeration、Iterator 或 Map 中的所有元素。   閱讀全文
    posted @ 2009-03-09 10:34 Hill 閱讀(1521) | 評論 (0)編輯 收藏
     
         摘要: Tiles框架為創(chuàng)建Web頁面提供了一種模板機(jī)制,它能將網(wǎng)頁的布局和內(nèi)容分離。它允許先創(chuàng)建模板,然后在運(yùn)行時(shí)動態(tài)地將內(nèi)容插入到模板中。Tiles 框架建立在JSP的include指令的基礎(chǔ)上,但它提供了比JSP的 include指令更強(qiáng)大的功能  閱讀全文
    posted @ 2009-03-06 11:20 Hill 閱讀(321) | 評論 (0)編輯 收藏
     
         摘要: 大家都清楚在用PowerDesigner的時(shí)候,當(dāng)你輸入Name的時(shí)候Code是會自動幫你按照Name的內(nèi)容填上的.

    這個(gè)功能雖然好用,但是我需要在Name這一項(xiàng)加上一個(gè)中文的注釋,這個(gè)時(shí)候怎么辦呢?

    下面兩個(gè)例子,相信對你相當(dāng)有用.  閱讀全文
    posted @ 2009-03-02 17:45 Hill 閱讀(1497) | 評論 (0)編輯 收藏
     
         摘要: 近來讀了一篇《怎樣成為優(yōu)秀的軟件模型設(shè)計(jì)者》的文章,感觸頗深。仔細(xì)對比分析,發(fā)現(xiàn)原來我自己和周圍的軟件開發(fā)人員平常的一些自認(rèn)為對的做法,有很多是有問題的。  閱讀全文
    posted @ 2009-02-25 18:20 Hill 閱讀(180) | 評論 (0)編輯 收藏
     
         摘要: 第一次感覺到“分享”的重要性,過去,只會想辦法去獲得,卻沒有意識到“分享”是更加值得去“獲得”的能力與心態(tài)  閱讀全文
    posted @ 2009-02-25 18:06 Hill 閱讀(129) | 評論 (0)編輯 收藏
     
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    posted @ 2009-02-24 15:11 Hill 閱讀(122) | 評論 (0)編輯 收藏
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