xxx screensaver

In C # WinForm development, this is a more common exception: An invalid thread operation, which is accessed from a thread that is not creating the control "XXX". This anomaly comes from. A limitation of NET2: A worker thread cannot access a control created by a window thread. There are two main solutions, one is to set checkforillegalcrossthreadcalls = False in the window thread, and the other is cumbersome, invoking the Invoke method using a delegate

Recently encountered a MySQL can not create temporary file errors, the resolution process to learn some knowledge, here to share, I hope to encounter similar problems with the students help ~ About MySQL temp file: 1, MySQL uses the environment variable Tmpdir value as the path name of the directory where the temporary files are saved. If Tmpdir,mysql is not set, the default value for the system is used, usually/tmp,/VAR/TMP, or/usr/tmp.2. mysql will create all temporary files in an implied ma

In writing a file is a report of the following exception:JAVA.IO.FILENOTFOUNDEXCEPTION:D:\XXX\YYY (Access denied.) )At Java.io.FileOutputStream.open (Native method)At Java.io.fileoutputstream.At Java.io.fileoutputstream.At Java.io.filewriter.The reason is that when the file File=new file (fileallname) is instantiated, Fileallname is a directoryAnd in the following is the exception of the above report.FileWriter fw=new FileWriter (file);solution that w

Knowledge Point Analysis: In the lower-right corner of the taskbar, eject the windows-delay write failure or the xxx-corrupted file to run the Chkdsk tool. Operation steps: Method One: Chkdsk tool Enter CMD at the start---run, and then enter CHKDSK C:/F to run to repair the error on the E disk and find the bad sector to recover the readable information; If there is a file open on the drive you want to check, you w

server| Backup | error | object | solve | data | database Describes an error resolution for SQL Server databases that cause orphaned users and object names ' xxx ' with a backup restore In the process of using a database, you often experience the problem of database migration or data migration, or if there is a sudden database corruption, you need to recover directly from the backup of the database. However, there are problems, and here are some solu

value returned by HHC is: .. /output/htmlhelp/mpeg_vbr.html. /OUTPUT/HTMLHELP/HTMLHELP.HHP. /OUTPUT/HTMLHELP/TOC.HHC. /output/htmlhelp/mpeg_vbr.html. /OUTPUT/HTMLHELP/HTMLHELP.HHP. /output/htmlhelp/toc.hhc The results are then tossed: ADMINISTRATOR@K470/CYGDRIVE/E/DEV_ROOT/DOCBOOK/DEV/BOOKS/VBR/SRC $ Iconv1retcode= ' iconv-f UTF-8-T GB18030 Confirmed that the original Linux, such as the following commands, such as ICONV,MV, execution results, if there is no error, will return 0, indicating no

Reprint: http://blog.csdn.net/kongxx/article/details/49597641. Delete the existing database with the same name as the database you want to restore;2. Right click on "Database" and select "Restore Database";3. Enter the name of the database to restore in the target database of the popup window;4. Select the source device and select the source database backup file;5. Click OK to start the database recovery.System.Data.SqlClient.SqlError: The database backup in the backup set differs from the exist

' MyUser ' @ ' 192.168.1.3 ' identified by ' MyPassword ' with GRANT option;nbsp FLUSH privileges; I used the first method, just started to find no, in the online check, less execute a statement mysql>flush rivileges make the changes take effect. It's okay Another way, but I didn't try it myself, looking for it on the csdn.net, you can see . running on the MySQL-installed machine: www.2cto.com 1, D:\mysql \bin\>mysql h localhost -u root//This should allow access to MySQL server 2, mysql>

* for all tables, it can be inferred that: for all of the database is authorized as "*. *" For all tables, the entire table for a database is authorized as "database name. *", A table for a database is authorized as the database name. Table name. Root indicates which user you want to authorize, and the user can be either an existing user or a non-existent user. 192.168.1.101 represents the IP address that allows remote connections, or "%" if you want to limit the IP of the link. 123456 is the u

Android.content.intentfilter;public class Lifecircle {Context mcontext;private Static lifecircle sinstance;private mybroadcast mbroadcast; Private Settings minstance; Lifecircle (Context context) {Mcontext = Context;minstance = (Settings) Context;} public static Lifecircle Getintance (context context) {if (sinstance = = null) {sinstance = new lifecircle (context);} return sinstance;} public class Mybroadcast extends Broadcastreceiver {@Overridepublic void OnReceive (context context, Intent I

, because the log is full. All right, let's get my brother hard. Execute the following SQL command:Use wss_content_xxxx; GO --Set the database to the simple recovery model, ALTER DATABASE wss_content_xxxx SET RECOVERY Simple; GO --Compressed to 100M DBCC shrinkfile (wss_content_xxxx _log, 100); GO --Recovery ALTER DATABASE wss_content_xxxx SET RECOVERY full; GO Log file dropped to 100M, after a preliminary test, SharePoint everything works! The whole world is quiet ~ (A lot of people may ask, w

Environment (2014.03.13 latest): Question: Gradle "xxx" project Refresh failed Description: This is a very common problem, such as before you can use, new work, or reboot, it is not available, the display can not build, gradle can not use Solution: Clear Cache, restart Gradle, file->invalidate caches/restart ...; To Gradle is a prerequisite for building an Android program, and the basics of Android studio have many advantages that make the build

1. Chinese Writing garbled problem: I entered the Chinese code is Urf8, built library is Urf8, but inserted MySQL is always garbled, a bunch of "???????????????????????" I used the Ibatis, finally found the reason, I was so resolved: The original URL address is: jdbc:mysql://localhost:3306/comment1 Instead: Jdbc:mysql://localhost:3306/comment1?? Useunicode=truecharacterencoding=utf-8 It's OK. 2.Incorrect string value: ' \xf0\x9f ' for column ' XXX ' a

I wonder if you have encountered this phenomenon when installing Office2007 or Office2010, when you first install the Office2007 or Office2010 suite, for some reason the installation is interrupted, when you try to reinstall the same office suite, The installation failed and you receive the following error prompts "Microsoft Office Office suite name and error during installation". Specific Xiang See the following figure: Image: Office2007/2010 Setup cannot be restarted after an initial instal

Tags: blog GPO double quotes values Col div nbsp pos BSPsql = ' INSERT into ' blog '. ' User ' (' id ', ' username ') values (%d,%s) '% (1,username) I am prompted after assigning aaabbb to username: "Unknown column ' Aaaabbb ' in ' Field List ' has been looking for a half-day problem with%s without double quotes. Change to the following sql = ' INSERT into ' blog '. ' User ' (' id ', ' username ') VALUES (%d, '%s ') '% (1,username) Success%s, be sure to add double quotesPython Flask inserts a re

Error C2371: ' XXX ': redefinition; Different basic typesDefines a struct, stored in a separate. h file, compiles the error above, and resolves the problem after removing the # include "struct file name" from the. cpp file that instantiates the struct.Later in another file to instantiate another such a structure, the result is the above problem, the structure object name is the same, in order to avoid the problem caused by this, and another. cpp file

? ? ? ?? recently in learning Mvc+ef, watch the video demo. EF this piece needs to involve the connection of the database, the example in the video is similar to the previous Beef Brisket news system database. So, just steal a lazy, use this database, but in the attach time error.???? errors such as the following:?????? At the beginning, there was a problem with the location of the database. So once again, a position is placed. is still invalid.At last. Search the Internet for solutions.Fortunat

Tags: Open share Ros Computer Services INF right click on configurationProblem: An error occurred connecting to the server under Windows or SQL Server AuthenticationHow to resolve:1. Check that the instance name is correct, as followsModify the changes according to the actual name of your computer as follows:1) Microsoft SQL Server Management Studio is the official version:2) Microsoft SQL Server Management Studio is an informal version, fill in:The connection succeeded as follows:2. If you are

Common scenario: Delete related tables and regenerate.1. Inconsistent data engine inconsistency between related tables results in:Modify the engine settings for the related table and keep it consistent.2. The reference type of the associated table index field is different (for example, the A Table association field is a int,b table index is char):Modify the field type of the related table and keep it consistent.3. The character encoding of the primary key and foreign key is inconsistent:Modify t

An error message suddenly appears when you create a new table:Error code:1067. Invalid default value for ' Start_time 'After some tossing and finding that it is DateTime cannot set the default value, so if you want to set the default value, we can also use timestamp and then set the default value of Current_timestamp.However, in addition to setting the default values in the database, we can also set in the program, if it is 5.6 of the MySQL database should not have the default value can not set