.NET/Java PDF, Tiff, Barcode SDK Library

All of these DLLs except System.Query.dll are referenced automatically from F# projects. To reference additional DLLs, you can embed a reference directly into your source code. For example: #I @"C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5;; #r "System.Query.dll";; The first line specifies an include path, the equivalent of the -I command-line option for the F# compiler. The second line specifies a DLL reference, the equivalent of the -r commandline option. We described these in 7. If you re using Visual Studio, you can adjust the project property settings for your project.

excel 2010 barcode add in, excel barcode add-in from tbarcode office, excel 2007 barcode generator free, how to insert barcode in excel 2010, using barcode in excel 2010, barcode add-in for word and excel 2010, barcode generator in excel 2007 free download, how to get barcode font in excel 2010, open source barcode generator excel, free barcode addin for excel 2010,

5 rows created. benchmark@ORA10G> commit; Commit complete. Now we can declare a cursor explicitly in PL/SQL and retrieve its contents: benchmark@ORA10G> -- open a cursor and select from it benchmark@ORA10G> declare 2 cursor l_cursor is select x from t1; 3 l_dummy number; 4 begin 5 open l_cursor; 6 loop 7 fetch l_cursor into l_dummy; 8 exit when l_cursor%notfound; 9 dbms_output.put_line( l_dummy ); 10 end loop; 11 close l_cursor; 12 end; 13 / 1 2 3 4 5 PL/SQL procedure successfully completed. When PL/SQL encounters line 2 in the preceding code snippet, it creates a cursor handle and points it to the parsed select statement in the shared pool (if the statement doesn t exist yet in the shared pool, it needs to be hard-parsed before it s put into the shared pool; see the section Overview of How Oracle Processes SQL Statements (DML) of 5 for a brief discussion on hard parses and soft parses). Notice that there are two distinct data structures involved here: The cursor itself, which is specific to the session and consists of session-specific information, such as bind variables, the cursor state (whether it is open or closed), and so on, required in executing the statement The parsed SQL statement, which is in the shared pool and by definition can be shared among multiple sessions that execute the same statement Line 5 in the code snippet opens the cursor, and then we loop through the cursor between lines 6 and 10. Notice how we use the PL/SQL construct cursor_variable%notfound to exit the loop when there are no more records to fetch. We then close the cursor outside the loop in line 11.

that generates code. Microsoft is doing this all over the place in the .NET Framework. Obviously it s doing it for ASP.NET; it s generating code for Web Service proxies and for COM Interop assemblies, just to name a few. This functionality lives in the System.CodeDom namespace. Check it out if you find yourself in a situation where you need to dynamically generate code!

The preceding code is an example in which a cursor is explicitly declared in PL/SQL. The following code shows how to achieve the same results using an implicit cursor: benchmark@ORA10G> begin 2 for l_cursor in( select x from t1 ) 3 loop 4 dbms_output.put_line( l_cursor.x ); 5 end loop; 6 end; 7 / 1 2 3 4 5 PL/SQL procedure successfully completed. Notice how the code does not involve explicitly opening, closing, and fetching records from the cursor; PL/SQL does that for you. You will find that the code using implicit cursors is usually more concise, more readable, and slightly more performant compared to code using explicit cursors. Explicit cursors, on the other hand, give you more flexibility and control over when the open, fetch, and close of a cursor is done. This control can be used in techniques such as bulk collect to achieve better performance in certain cases, as you will see in 17.

Note Hundreds of high-quality frameworks and libraries are available for .NET, and more are appearing all the time. For space reasons, this chapter covers only the .NET libraries and frameworks listed in Table 10-1. In the Some Other .NET Libraries section of this chapter, we list some libraries you might find interesting, and you can see more resources for finding .NET libraries at http://www.expert-fsharp/Topics/ Libraries.

The markup in an ASPNET page is an example of what s called declarative coding It s a different coding model from the one most developers have become used to over the years, which is called imperative coding Declarative coding is a technology that Microsoft is totally gung-ho about In the 20 version of ASPNET, the declarative model has been dramatically extended, so that it s now possible to create applications with very rich features, without writing a single line of code It can all be done in the markup One of the design goals of ASPNET 20 was to dramatically reduce the amount of code you need to write for common tasks Microsoft has accomplished this using declarative coding in the markup By also adding high-powered graphical tools that generate this markup into the IDE, it s added some real productivity enhancement.