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1th. Database Server Monitoring Error1.1.1 Database Listener Error1.1.1.1 Problems and phenomenaThe server environment is ORACLE11G RAC Environment, after the system starts, the listener is not up.[Email protected] ~]$ lsnrctl statusLsnrctl for

      The Google Weather API only supports U.S. regions using ZIP codes for queries, such as:http://www.google.com/ig/api?hl=zh-cn&weather=94043(94043 for Mountain View, California, United States ZIP code)In addition to the United States outside the

Atitit. Get Beijing Time CST function API Summary O71. Get CST time ( Beijing time ) two cloth:1. Crawl URL Timtstamp >>format to the CST 12. Set the native time setsystime(date); : Called command line, only supported for Windows and Linux Systems

Parallax Scrolling (Parallax scrolling) is a multi-layered background that moves at different speeds, creating a three-dimensional movement that results in a very good visual experience. As a hot trend in web design this year, more and more websites

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The STM32 Flash information block section contains special option bytes that can be used for information such as system configuration, as well as user-defined data bytes for two valid bytes (actual four bytes, two are check bytes).When I tried to

"2015 China Central Investment and trade fair" May 18 opened the curtain in Wuhan, Hunan Province Business Department organization of our province on behalf of enterprises active participation . among them , farsoon High-Tech limited liability

DataGrid Refresh BUG:Situation:When User A, B operates the DataGrid simultaneously (record 1, record 2, record 3). If a delete record 1, B is now selected record 1, record 2, then B click on the Refresh button in the paging, record 1 is not visible.

Title: Elective system, each candidate 5 courses, if many people choose the same 5 courses think this combination is more popular,The selection of the most popular course combinations is now required.Analysis: Data structure, STL. Sort each set of

automatically generate XSD from XML using the Xsd.exe tool that comes with Vistual studio1, Command Prompt-"Find the folder where the VS comes with the Xsd.exe tool for example: C:\Program Files (x86) \microsoft Sdks\windows\v7.0a\bin Note: Win7

Problem:A ferry, there is a ferry, transport cars to the opposite, can transport n vehicles, to the opposite to T minutes, return to T minutes, altogether to M car.Given m data, is the time to reach the ferry. The shortest time to get all the cars

Sphinx Chinese Getting Started Guide wuhuiming 1. Introduction What is 1.1.Sphinx? Features of the 1.2.Sphinx 1.3.Sphinx Chinese participle 2. Installation Configuration Example 2.1

Turn from:Http://blog.chinaunix.net/uid-9112803-id-3212041.htmlSummary:In this paper, we briefly introduce the theory of TCP-oriented connection, describe the meanings of each field of TCP messages, and select TCP connections from Wireshark capture

Learning Java must know: the difference between an abstract class and an interfaceAbstract class and interface are the two mechanisms in the Java language to support the definition of a class, and it is precisely because of the existence of these

I have been focusing on file upload in recent times, and it is always inappropriateCodeYou can't write any good things at your own level.Until now. Today, I saw a brief introduction to commons fileupload on Google. I will go to Apache Jakarta right

Yesterday, I retried the system on the company server and encountered ASP attachments that could not be uploaded. Previously, the server was used properly and it was not normal to redo the system. So Google and Baidu will provide the solution below,

It has been more than a month since Microsoft released its Surface tablet. According to official information, Surface RT will be available in Windows 8, and Surface Pro will be available three months later. We are expected to meet Surface RT in

Firefox cannot be fixed to the starter when the Firefox browser is installed on Ubuntu. the Firefox icon displays an abnormal folder, right-click the folder, and the rename option is changed to Gray. Http://blog.csdn.net/pipisorry/article/details/394

A typical LAN is to connect a core switch with a layer-3 Switch to several Branch switches (not necessarily with layer-3 switching ). We assume that the core switch name is com, and the Branch switches are par1, par2, and par3 respectively, which

Cisco routers use many methods in configuration. Using SSH instead of Telnet cisco makes it easier for us to understand the configuration of cisco routers and other knowledge points. Replacing Telnet with cisco router configuration using SSH　The