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Regular backup of web site data is indispensable. We often encounter the website backup function on the web site. Next we will introduce the asp tutorial.. net. Using System. Data. SqlClient; Using System. IO; String SqlStr1 = "Server = (local); DataBase = master; Uid = sa; Pwd = "; String SqlStr2 = "Exec sp_helpdb "; String SqlStr1 = "Server = (local); database = '" + this. DropDownList1.SelectedValue + "'; Uid = sa; Pwd = "; String SqlStr2 = "backup database" + this. DropDownList1.Selec

Copy CodeThe code is as follows: Simulating SQL data $array = Array (0=> ' apple ',1=> ' banana ',2=> ' cat ',3=> ' dog ',4=> ' egg ', ' 5 ' = ' father '); Function Usage 1 Arr is an incoming data $con is a condition function F_1 ($arr, $con) { The array here is private within this function, and does not conflict with the forward array Therefore, the field of the array is not directly inside the surface w

$bliang = ' This is a variable ' $sql =select * from a table WHERE cart like '%. $bliang.% ' $query =mysql_query ($sql), while ($row =mysql_fetch_ Array ($query)) { ...}..} The top is the query code and then I use it just like this $row [$bliang = ' Category 2 '] so that you can classify the content under 2 $row [$bliang = ' Category 3 '] displays the content under Category 3 How does this need to be achieved? Reply to discussion (solution) function foo ($x) {global $

/ (float) igformheight; resizecon (fgwidthscaling,fgheightscaling,this); }// Records the initial position, size, font size information for the control set privatevoidinitcontag ( Controlcons) { foreach (controlconincons. Controls) //traversal control set { con. Tag=con. left+ "," +con. top+ "," +con. width+ "," +

MySQL proxy architecture: multithreading + libevent + glib2 From the previous content, we have confirmed that the accept process is completed by the main thread, and it creates a con-> client event connected to the client; it then creates a con-> server to connect to the MySQL server in the background. If the FD cannot be written, network_socket_error_retry is returned in proxy_connect_server, and wait_for_

Development Environment:Vs 2008 + easyphp5.3.0 + win7Problem description: The Chinese characters inserted in MySQL are displayed as question marks, and reading is also displayed as question marks.C # The component used to access the database is MySQL. Data. dll (5.0.8.1) The code for creating a test table is as follows (Make sure to change the database to utf8_general_ci during database creation.):Create Table TT ( Id smallint (6) Not null default '1 ', Name varchar (64) not null, Descr varchar

Core technologies: Using system. Data. sqlclient; Using system. IO; String sqlstr1 = "Server = (local); database = Master; uid = sa; Pwd = "; String sqlstr2 = "Exec sp_helpdb "; String sqlstr1 = "Server = (local); database = '" + this. dropdownlist1.selectedvalue + "'; uid = sa; Pwd = "; String sqlstr2 = "backup database" + this. dropdownlist1.selectedvalue + "to disk = '" + this. textbox1.text. Trim () + ". Bak '"; 1. Front-end 2. Background Using system. Data. sqlclient;Using system. IO; Pub

Core technologies: Copy codeThe Code is as follows: using System. Data. SqlClient; Using System. IO; String SqlStr1 = "Server = (local); DataBase = master; Uid = sa; Pwd = "; String SqlStr2 = "Exec sp_helpdb "; String SqlStr1 = "Server = (local); database = '" + this. DropDownList1.SelectedValue + "'; Uid = sa; Pwd = "; String SqlStr2 = "backup database" + this. DropDownList1.SelectedValue + "to disk = '" + this. TextBox1.Text. Trim () + ". bak '"; 1. Front-end Copy codeThe Code is as follows:

** @ Param url*/@ SuppressLint ("DefaultLocale ")Public int httpResponseCode (String strUrl, String authorization,String currentSessionId, String ClientId,PostParameter [] postParams, String httpMethod)Throws SystemException {Int retriedCount;Int retry = 1;Response res = null;Int responseCode =-1;For (retriedCount = 0; retriedCount Try {HttpURLConnection con = null;OutputStream osw = null;URL url = new URL (strUrl );Try {

); This. Maid + = new system. Web. UI. webcontrols. Maid (this. Maid updatecommand ); This. Maid + = new system. Web. UI. webcontrols. Maid (this. Maid deletecommand ); This. Maid + = new system. eventhandler (this. Maid selectedindexchanged ); This. Load + = new system. eventhandler (this. page_load ); } # Endregion Private void linkbutton#click (Object sender, system. eventargs E) { Addpublisher (); } /// /// Add /// Private void addpublisher () { String SQL = "insert into Publishers (pu

use the SQL Server Northwind database demo). Manage Connections L, establish a connection Note: If the code for all the examples in this article uses a connection, the connection handle "CON" is generated by default in "Establish Connection" code. Wait \ ' Connect to SQL Server ' nowait noclear WINDOW Sqlsetprop (0, "Displogin", 3) set environment to "Never Show ODBC logon dialog box." Con=sqlstringconn

action Rec1. Close Rec2. Close REC3. Close Set REC1 = Nothing Set rec2 = Nothing Set REC3 = Nothing To conserve resources, you should first create a connection object and pass it on to all objects that require active connections. In other words, the above code should be changed to the following form: Dim con as ADODB. Connection Dim REC1 as ADODB. Record Dim rec2 as ADODB. Record Dim REC3 as ADODB. Record Set co