Simple .NET/ASP.NET PDF document editor web control SDK

JDBCUtil.close( rset ); JDBCUtil.close( pstmt ); } } We execute the function f() in the method _doExecuteCallableStatement(). Note how we tag the anonymous block. private static void _doExecuteCallableStatement( Connection conn, String tag ) throws SQLException { CallableStatement cstmt = null; ResultSet rset = null; String stmtString = "begin" + tag + " := f; end;"; try { cstmt = conn.prepareCall( stmtString ); cstmt.registerOutParameter( 1, OracleTypes.CURSOR ); cstmt.execute(); rset = (ResultSet) cstmt.getObject( 1 ); } finally { JDBCUtil.close( rset ); JDBCUtil.close( cstmt ); } } } The following snippet shows the relevant portion of the tkprof output of our statement execution profile for the case when implicit caching was disabled: select /*+ implicit disabled */ count(*) from dual call count ------- -----Parse 1000 Execute 1000 Fetch 1000 ------- -----total 3000 cpu elapsed disk query current -------- ---------- ---------- ---------- ---------0.25 0.30 0 0 0 0.23 0.23 0 0 0 0.20 0.27 0 0 0 -------- ---------- ---------- ---------- ---------0.68 0.82 0 0 0 rows ---------0 0 1000 ---------1000

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COM components are compiled modules that conform to well-defined protocols designed to allow binary interoperability among different languages An essential trait of component architectures is the ability to dynamically create components at run time It is necessary for an infrastructure to locate and inspect components in order to find and load them The Windows registry holds this information, which is why it is such an important structure in the operating system The HKEY_CLASSES_ROOT registry key holds the definition of all the components installed on the local computer It is helpful to understand the basic layout of the registry in this respect when dealing with COM components The following is a simple script in Jscript executed by the Windows Scripting Host, which is an interpreter used to execute Visual Basic and Jscript scripts on Windows: w = WScriptCreateObject("WordApplication"); wVisible = true; WScriptEcho("Press OK to close Word"); w.

Misses in library cache during parse: 0

A LiteralControl, in case you re not familiar with it, is just that. Whatever you set to its Text property is literally what it will render. The LiteralControl s constructor accepts a string to use as its Text, so using the LiteralControl is very easy. this.Page.Controls.Add( new LiteralControl("<p>Here is some static markup I want on my page</p>"); So in the case of our markup above, the first control in the control collection is a literal control, whose text contains all of the static markup preceding the form declaration. The third literal control just carries the end body and end html elements as its text. Because the other controls appear between the form s begin tag and the form s end tag, they are all children of the form, and are, therefore, housed in its control collection.

Quit(); This simple script creates an instance of a Microsoft Word application and shows programmatically its window by setting the Visible property to true Assuming that the script is executed using the wscript command (the default), its execution is stopped until the message box displayed by the Echo method is closed, and then Word is closed How can the COM infrastructure dynamically locate the Word component and load without prior knowledge about it The COM infrastructure is accessed through the ubiquitous CreateObject method that accepts a string as input that contains the program ID of the COM component to be loaded This is the human-readable name of the component, but the COM infrastructure was conceived as a foundation of a potentially large number of components and therefore adopted the global unique identifier (GUID) strings to define components.

Notice how the statement was soft-parsed 1,000 times. This is because we prepared and closed the statement (and its cursor) in a loop 1,000 times, and since statement caching was disabled, each close of the statement physically closed the statement. Now take a look at the profile for the case when implicit caching was enabled: select /*+ implicit enabled */ count(*) from dual call count ------- -----Parse 1 Execute 1000 Fetch 1000 ------- -----total 2001 cpu elapsed disk query current -------- ---------- ---------- ---------- ---------0.00 0.00 0 0 0 0.29 0.26 0 0 0 0.14 0.15 0 0 0 -------- ---------- ---------- ---------- ---------0.43 0.42 0 0 0 rows ---------0 0 1000 ---------1000