海鸥航迹

摘要： Oracle UNDO management tips Oracle Tips by Burleson ConsultingMay 4, 2010 Question: What are some tips for managing Oracle UNDO?Answer: Here are my notes on general undo managementand Undo Management in RAC,Here are other undo management notes: - Change Oracle undo mode from automatic to manual 阅读全文

摘要： Insert Oracle CLOB column Oracle Tips by Burleson ConsultingMay 5, 2010 Question: I have a table with a CLOB column (XMLTYPE datatype) and I want to know the best way to do an insert into this large object column. So the SQL insert basically inserts a record with new XML, and a SQL updated repla 阅读全文

摘要： SQL*Net Round Trip Tracing tips Expert Oracle Tips by Burleson ConsultingDecember 6, 2010 SQL*Net round trip tracing is a useful tool for helping determine or eliminate possible sources of network latency. As the name implies, a round trip is the number of trips required to satisfy a request fo 阅读全文

摘要： 最近电脑出现了一个问题： MS Project打开无法显示，提示“一个或多个ActiveX控件无法显示……”的错误 在打开“服务”管理的时候，出现提示“一个或多个ActiveX控件无法显示……”的错误。 出现这个故障前，只做过一件可能影像系统的事情，就是安装了Flash控件，便查问题所在，发现注册表中多了一个L开头的项，解决办法： 　　进入注册表：HKEY_CURRENT_USER \Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\ 这个L项不知道是Adobe添加进去的，还是依赖它的程序添加进去的，就不得 阅读全文

摘要： Listener and sqlnet trace Posted by decipherinfosys on June 5, 2007 At times, when troubleshooting connectivity issues or performance issues, you might need to run listener trace (server side) and/or a sqlnet trace (client side trace). Oracle support staff will also ask for these files when you en 阅读全文

摘要： 今天发现IE浏览器总是被修改成：http://www.139999xxxx.com，然后重定向到一个随机的网页，模仿hao123的一个网页导航网站。通过各种杀毒软件，都没报告有病毒。 使用ProcessExplore查看系统进程，会发现IE进程成为了rundll32.exe的子进程，自然觉得蹊跷，查看进程属性发现： "C:\WINDOWS\system32\rundll32.exe" "C:\WI... 阅读全文

摘要： Visual Studio 2008 Updated: July 2008 The libraries for Visual Studio often are updated after a release. For example, this can occur when you install a service pack. Applications that are designed wit... 阅读全文

摘要： 最近家里宽带上网，总是弹出来自http://221.174.50.131 的广告，查询这个网站，却又无法访问。刚开始还怀疑电脑病毒或恶意软件，结果家里能上网的设备都如此，看样子时宽带提供商的干活！ 要屏蔽这些广告，如果使用IE的话，只需要将他们加入受限站点； 如果是firefox，使用AdBlock可以拦截一部分。 要一劳永逸，可以考虑将对这个IP的访问进行路由禁止： 阅读全文

摘要： 接收键盘输入字符串的程序 :: Get user input - includes error check@echo offecho e102'set %%1='> %temp%.\t1.datfor %%? in (w q) do echo %%?>> %temp%.\t1.dat:inputecho.echo Type input:FC con nul /lb1 /n |FI... 阅读全文

摘要： %cd% is available either to a batch file or at the command prompt and expands to the drive letter and path of the current directory (which can change e.g. by using the CD command) %~dp0 is only availa... 阅读全文