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Just touch lua, blind. Background: The project I took over was followed by someone else doing 90% things to continue, using the Cocos2d-x engine to invoke LUA resources from C + +. When calling the class method, the error attempt to the call method ' XXXX ' (a nil value), the written format is not a problem, the class object is not a null value, but is not to find the method of this class, decode always reported that the method pointer is empty. La

Label:The use of " ' " (single quotation marks): In SQL Server, two " ' " (single quotation marks) in the case of stitching strings, that is, the concatenation of a " ' " single quote string. The correct wording is given in this column: set @sql = update #temp_monthKQ_Users Set Day + @curruntCount + = + @descTemp + where user_id = + @user_id + The error is spelled as follows: Set @sql = 'Update #temp_monthKQ_Users set Day'+@curruntCount+'=" "+@descTemp+" "WHERE u

Today, when the server does publish + subscribe, there is a problem, as follows:The process could not read the file "D:\Program Files\Microsoft SQL Server\mssql10_50.mssqlserver\mssql\repldata\unc\ because of operating system error 3 User-n18o5dgqu6_cloudtradb_gypt_gypt_f\20151127091512\fn_diagramobjects_129.pre ". (Source: MSSQL_REPL, Error number: mssql_repl20024)Get help: http://help/MSSQL_REPL20024The main reason for this problem is that subscribers access the subscription directory snapshot

Use the ApexSQL recover tool for recovery. The tutorials are as follows:http://solutioncenter.apexsql.com/zh/%E6%B2%A1%E6%9C%89%E5%A4%87%E4%BB%BD%E7%9A%84%E6%83%85%E5%86%B5%E4%B8%8B% e6%81%a2%e5%a4%8d%e4%b8%80%e4%b8%aa%e8%a2%abdrop%e7%9a%84%e8%a1%a8%e7%9a%84%e6%95%b0%e6%8d%ae/Thanks to the tool developer, otherwise daoteng the data again n long time no longer.To despise myself, to do things is too imprudent.Be sure to do a regular backup of your databaseOverThe table of MSSQL was deleted by mist

With regard to the problem, there are two related server options. execSp_serveroption@server='cia-sh-svr-sis',@optname='RPC',@optvalue='true' execSp_serveroption@server='cia-sh-svr-sis',@optname='RPC out',@optvalue='true' There are usually two ways to fetch data from the linked server. The first is access with a full path, that is, select*From[Server].[Database].sys.objects 。 The other is with the exec (The first approach seems to be unaffected by the two RPC options above, at leas

Label:Workaround:1. Change the table method. It may be that your account is not allowed to log on remotely, only on localhost. This time, as long as the computer on the localhost, log in to MySQL, change the "MySQL" Database in the "User" table "host", from "localhost" to "%"Mysql-uroot-p123456>Use MySQL;Mysql>update User Set host = '% ' where user = ' root ';2. Authorization law. For example, if you want to myuser use MyPassword to connect to a MySQL server from any host.GRANT all privileges on

Recently, a large number of alarms have been reported on zabbix server, and all the host agent. Ping alarms have been reported, and then the system returns to normal again and again. This has continued for a long time. zabbix agent on XXXX is unreachable for 5 minutes. The values of other monitoring items are normal, and only the agent. Ping value is intermittent. Manually run the following command on zabbix Server:[Email protected]: ~ # Time zabbix_

Tags: Io OS file SP problems C R ad BSUnable to import the following key file: XXXX. pfx, which may be password protected. To correct this problem, try importing the certificate again or manually installing the certificate to a CSP with the following key container name: vs_key_a5a29909ff6d902dTo solve this problem:1. Run the Visual Studio command prompt (2010): Start-> Microsoft Visual Studio 2010-> Visual Studio Tools-> Visual Studio command prompt (

The class file 'xx. XXXX. XX. classname' cannot be found in the misunderstanding of how to use Javah to generate C/C ++ header files. gcc cannot find the header file. PS: Recently, jni is used. It may be a headache to write c ++ in java later. When using javah, I encountered a small problem and shared it with you. Javah is a great tool, which can be obtained through. class file, and generate the corresponding C ++ file, which contains the JNI stubs of

Problem: The problem occurs when using the VS Open project directly under WINDOWS8:XXXX is configured to use IIS. The IIS metabase cannot be accessed. You do not have sufficient privileges to access the IIS Web site on your computer.Solve:1. Run vs with "Administrator privileges" to open the project in the VS menu.But the above solution is not convenient.2. The more Perfect solution:(1) Right click on the XXXX