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The path in Windows is a backslash \, but the backslash \ has the meaning of escape characters in Python, so when writing Windows file paths in a py file, pay special attention to the use of backslashes.Here are three ways to solve the problem: 1 way one: escaped by 2 3 c:\\users\xxx\desktop\a.txt " Span style= "COLOR: #008080" > 4 5 Mode two: explicitly declaring a string without escaping 6 7 r" c:\users\xxx\desktop\a.txt " 8 9 Method Three: Use the path of Linux 1

Today is so hot, so it is not dug to dig, read a few days of the Python crawler, learned the XPath parsingA code to play "Don't say anything, optimize the like, just finished, ran a while, can be quite stable#-*-Coding:utf-8-*-#Xm17import osimport urllibimport requestsfrom lxml import Etreeimport randomheaders = {' User-ag Ent ': ' mozilla/5.0 (Windows NT 10.0; WOW64) applewebkit/537.36 (khtml, like Gecko) chrome/67.0.3396.62 safari/537.36 '}url = ' http://www.ye1001.com/p06/list _{}.html "Ba

spare time, with the students to discuss and study about the program design aspects, using Java Object-oriented program design method, design student performance management system, log in as Administrator, to achieve the following interface common functions. Paste part of the pictureOnce implemented, the code is compiled and the results are as follows:School of Computer Science of XX University of Shandong--about the research of Java-based job "origin

This interview question is my summary after the interview, I put all can think of all write, if there is anything wrong, please correct me XX Network interview problem 1, Oracle and MySQL pagination are how to page. 2, Oracle rowID and rownum what is the difference; 3, Oracle or MySQL data volume than the time when the paging will be relatively fast, that is, how to use rowid keywords to quickly pagination; 4, the MySQL data volume is very large (mil

problem Phenomenon A bunch of Red fork, looking really "pleasing", at the same time, F3 shortcut keys also expired. It's completely impossible to develop. Ha ha Problem Analysis I tried F5 refresh the project, the problem remains. The Project->clean problem remains. Maven->update project problem remains. and other operations. Finally, replace the. classpath file for this project with another project's. Classpath. workaround Modify the. classpath file for the project and replace it with the con

When you import an existing project with Eclipse, you often encounter: Unable to resolve target ' android-xx ' similar error.This is because the project target settings for project.properties in the imported projects code are inconsistent with the current Eclipse environment settings. Solution:Open Project target in the code for the Copy Code code as follows: # Project Target. Target=android-7 Change to the ADK version you currently

XP System pop-up "XX memory can not be read or written" prompts how to do The specific methods are as follows: 1, remove the invalid plug-in program In the process of surfing the Internet, many plug-ins will be secretly installed in the computer system, and many plug-ins often have the function of anti-deletion, so these plug-ins can easily conflict with other applications, which indirectly caused the system memory read and write error phenome

Tags: ini reboot execute file mysqli cal installation appears directory sharingThis is my PHP code in the implementation of a mistake, I have been on the internet for a long time, but also in accordance with the methods commonly used on the Internet to modify, have no effect.For example: 1. Create a new PHP file:Print phpinfo ();?>To execute this file, you can view all the information in PHP.You can see no php.ini configuration file. Go to PHP installed directory to view, and no php.ini config f

-- currently encountering this problem occurs when the server is switched on. The old server backed up database is restored to the new server, and you will encounter this problem -The following scenario:- - Find the orphaned user list EXECUTE' report'-- fix these orphaned users by associating these users with the recovered database EXECUTE' auto_fix'databaseName'SQL Server 2000 "user xx already Exists" processing method

,query,test, ' insert into T1 values (2) ', 020161227 13:56:51,mysql91,roidba,192.168.1.94,6,26,query,test, ' update T1 set id=2 where Id=1 ', 020161227 14:16:36,mysql91,root,localhost,4,32,query,test, ' Grant SELECT on * * to [e-mail protected]\ '%\ ' identified by * * ', 0The specific parameter adjustment, the parameter meaning everybody needs oneself on the official website to view,I always insisted that the best documents were the official documents.This article is from the "ROIDBA" blog, ma

Label: Steps: 1. Backup database testmirror on Pricipal server 2. Backup database log of testmirror on pricipal server 3. Copy db and log backup files to Mirror server 4. Restore DB WITH NORECOVERY 5. Restore LOG WITH NORECOVERY 6. Create endpoints on both pricipal serverand Mirror server Issue: If you use SQL command or Mirror the wizard to set Mirror. It'll show Error: "The remote copy of database" Dbmirrortest "has not been rolled forward to a point in time that's enc Ompassed in the local c

In co-development, just downloaded from svn to the local code , there appears "fatal Error:file ' XX-PREFIX.PCH ' has been modified since the precompiled header was built" The problem, this is actually not a problem, the solution is as follows:1. Locate the xx-prefix.pch file and comment out the following code:#ifdef __objc__ #import Then, recompile the project2. Open the comments in the steps aboveAnd t

Author: Liuker Original: http://www.anying.org/thread-88-1-1.html reprint must be noted.0x1 Preface: I really don't know what to write. The current WEB penetration methods come and go. So I wrote an article using the latest project.0x2Because XX talent network was hacked, we asked our company for penetration testing. The vulnerability has been hacked several times, and the penetration is difficult.0x3Necessary information collectionIP: XXX.

Oracle EBS prompts XX to be unavailable to the current user -- XXisnotavalidresponsibilityforthecurrentuserOracle EBS prompts XX to be unavailable to the current user -- XX is not a valid responsibility for the current user has recently added a new role in EBS for switching, however, it is difficult to enter the Form or Web page of relevant responsibilities. The

After creating a new user, you want to delete it, When userdel XX is used to delete a logstore, a message is displayed, indicating that userdel: User XX is currently logged in, cannot be deleted, You can use sudo userdel-r-f xx to add two parameters and force the deletion to The sudo userdel. A warning may be prompted later: Userdel: Warning: Can't remove/var/

October 17, 2016 10:14:30 pm Org.springframework.context.support.AbstractApplicationContext PreparerefreshInformation: Refreshing org[email protected]2e0fa5d3:startup date [Mon Oct 22:14:30 CST 2016]; Root of context HierarchyOctober 17, 2016 10:14:30 pm Org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadbeandefinitionsInfo: Loading XML Bean Definitions from class path resource [Bean.xml]Exception in thread "main" org.springframework.beans.factory.xml.XmlBeanDefinitionStoreExcepti

Scenario:a page is not logged in can be accessed, but when the specific operation found that the login window is not logged in, to complete the login after the operation. The following error was found when the login was successful and the front-end continued operation (Post backend interface):The security token provided applies to the user "", but the current user is "XX". (the login and the specific page operation are Ajax post)after seeing this erro

MSSQL Server 2005 Restore Database Bak files, Web sites using Virtual host site will often encounter, in general, the host has an online management program, but sometimes not, you need to restore the local backup SQL database. In this case, MSSQL Server 2008 will also appear, sometimes the "backup set of database backup and the existing XX database is different" error prompts, this article also put the solution said. In the first section, M

HVAC: technical principle of energy-saving air conditioners in data centers According to statistics, air conditioning consumes 20% of the total energy consumption in the communication room ~ 45%, and some may even exceed 60%. Therefore, to ensure the normal operation of communication equipment, energy-saving should first begin with the large energy-consuming user of ai