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ERROR 2002 (HY000): Can ' t connect to local MySQL server through socket '/var/lib/mysql/mysql.sock ' (2)As noted above, the Mysql.sock file is missing.Workaround:Ln-s/tmp/mysql.sock/var/lib/mysql/mysql.sockKThere may be some homecoming error in the/var/lib directory without MySQL directory, if there is such a mistake to create the MySQL directory, the execution of the above command will be successfulThis a

calculates a field of view for the connection, and then loops the players on the entire map when the broadcast is required, find players whose coordinates are within their field of view. The advantage of using this method is that a large amount of messages need to be broadcast at one time when there is no conversion block. The disadvantage is that players on the whole map need to traverse when calculating the broadcast object, if there are too many players on a map, this operation will be slow.

(Col1int, Col2Char(5), Col3Char(3), Col4Char(2)) with(data_compression=ROW)--Create a Table assigning Page CompressionCreate Tablegreatforpagecompression (Col1int, Col2Char(5), Col3Char(3), Col4Char(2)) with(data_compression=PAGE)/*Keep in mind ALTER TABLE and alter INDEX can is used to implement compression when those obects already exist.*/3. Availability of databases/*Change various database option an

　　 second, "Unable to connect to the server, the user XXX login failed" (Figure 5) This error occurs because SQL Server uses Windows only authentication, so users cannot connect using SQL Server's logon account, such as SA. The workaround looks like this: 1. Use Enterprise Manager on the server side and select "Use Windows Authentication" to connect to SQL

development and debugging support, as shown below: Of course, there is another configuration option to be configured, but this requires different configuration for different cross-compilation tools, which will not be described in detail here. As follows: Here I will select the default configuration !! Finally, it is compilation and installation. The compilation command is: make. The installation command is: make install. You can also directly use: Make; make install to compile and install it,

When reading this blog, the default reader has spent the previous blog post: the IIS service has been installed on the server. In the previous article, we continue to say that since the IIS service has been installed, we are about to build an FTP site: Start> Administrative Tools> Internet Information Service (IIS) Manager. The following interface is displayed: On the FTP site, right-click "New --> FTP site ": Then "Next" (The IP address

3. Community Events service: this service is used to monitor various events in a group server, such as the start and stop of a service, whether an application is ready, and whether a user is online or the status has changed. If you add listeners to the communityeventsservice component, you can listen to events. A. Add userloginlistener. The communityeventsservice will send a notification when the user logs on or logs out to Sametime. When a user logs

.png "style=" float : none; "title=" Next "alt=" Wkiom1h8vbscyx_baairqdeiwj8577.png "/>650) this.width=650; "src=" Https://s1.51cto.com/wyfs02/M01/8C/E0/wKioL1h8vBWw4dvEAAFoiAsEuQ8947.png "style=" float : none; "title=" select the corresponding system "alt=" Wkiol1h8vbww4dveaafoiaseuq8947.png "/>Be sure to select Full installation here650) this.width=650; "src=" Https://s5.51cto.com/wyfs02/M00/8C/E4/wKiom1h8vBbxBloUAAEq0jOSP4Q473.png "style=" float : none; "title=" Remember to select Full "alt="

to a module as part of the real Is. * Network events are inserted into the message queue of the module as messages (message). */voidconnect (const std::string IP, const std::string port, module_id ModuleID)/*** send data to a link * @sockid connection identification * @data data */voidsend (socket_id sockid, const buffer_ptr data);/*** close a link * @so Ckid Connection Identification * @state set a status for the link indicating why it was closed (such as timeout, sending illegal data) */voidc

Migration and configuration of uClibc Library Based on oSIP open-source database PartySIP server [2], partysipuclibc **************************************** **************************************** **************************************** ***Author: EasyWave time: 2014.09.20 Category: Linux application-SIP Proxy Server PartySIP Declaration: reprinted, please kee

the last hour of the day that SQL Server can record. • Last day of last year SQL script: SELECT dateadd (Ms,-3,dateadd (yy, DATEDIFF (Yy,0,getdate ()), 0)To connect the above example, to get the last day of last year, you need to subtract 3 milliseconds from the first sky of the year. • SQL scripts for the last day of the month: SELECT DateAdd (Ms,-3,dateadd (mm, DATEDIFF (M,0,getdate ()) +1, 0)Now, in order to get the last day of the month, I need

Oauth_client_details-----resource_ids------ScopeUser_------previllage (role)Explanation of the resourcesHttps://andaily.com/blog/?cat=19Resource is used to group management of various resources provided by the system, each resource corresponds to a resource-id, and a client details must have at least one resource-id ( Corresponds to the Resourceids field in the Oauthclientdetails.java).In the spring-oauth-server of the Security.xml profile of the 70 l

JSSDK Development Steps Bind a secure domain name (the domain name is bound to any public number) Introducing JS Permission Validation wx.config ({}) Ready all the development is written in ready Error Share interface Onmenusharetimeline Share to Friends Circle Onmenushareappmessage Share to friends Onmenushareqq Onmenushareweibo Onmenushareqzone Image interface Chooseimage Previewimage Uploadimage Downloadimage

Tools: IntelliJ idea 2017.1.2 x64, maven3.3.9Open IDE File===>new===>projectNextNextSelect the appropriate dependencyNextFinishCheck out the above two dependencies we selected in Pom.xmlStarting a service registry with @enableeurekaserver annotationsBy default, the service registry tries to register itself as a client, so we need to disable its client behavior by simply configuring it in Application.properties:# Specify the port number of the serviceserver.port=1111# Registration Center Instance

address in DNSThen switch to the WINS tab: Uncheck: Enable LMHOSTS lookup, disable the NetBIOS feature on TCP/IP, confirmThen change the network priority order;In a network connection----Click organize----TICK menu----advanced----Local Area Connection priority higher than heartbeat lineSecond HSR2 Configure the heartbeat line to open the VM virtual machine configurationThe steps are set in the same way as the first one, exceptConfigure heartbeat Address: 100.100.100.2 255.255.255.0; no need to

'where id=1;Go--you can see that a will hold the exclusive lock on the first line until the transaction is commit or rollback!Connection B runs the following code:UPDATE dbo. TestTableSet String = ' BBB 'where id=1;Go-because a in id=1 this line has the row lock, so B can only obediently wait, which caused the blockage. I can see that B has been waiting for more than 2 minutes.The C connection is used to unblock, and the running code is immediately s

Article Title: Linux server security policy details (2 ). Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. 2. Linux TCP/IP network configuration Linux was designed for the network from the very beginning. It has built-in mature

Background We have been using Hive server 1 for a long time, and users Ad-hoc Query,hive-web, wormhole, operations tools, and so on, are submitting statements through Hive Server. But hive server is extremely unstable, often inexplicable mysterious death, causing the client side of all connection are blocked. To this we have to configure a crontab check script,