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

SQL> alter session set events '10046 trace name context forever, level 12'; Controlling the Trace Files The trace files generated by sql_trace can eventually grow quite large A few global initialization parameters, set in initora for the database instance or session settings, affect the trace files If enabled, sql_trace will write to a file in the operating system directory indicated by the user_dump_dest initialization parameter You should note that trace files for user processes (dedicated servers) go to the user_dump_dest directory Trace files generated by Oracle background processes, such as the shared servers used with a multithreaded server (MTS) and job queue processes used with the job queues, will go to background_dump_dest Use of sql_trace with a shared server configuration isn t recommended it will result in your session hopping from shared server to shared server, generating trace information in not one, but many trace files, rendering it useless.

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Listing 16-6. kittyLexer.fsl: Lexer for Kitty { open System open KittyParser open Lexing let ids = [ ("while", ("begin", ("end", ("do", ("if", ("then", ("else", ("print",

Trace files are usually named ora<spid>trc, where <spid> is the server process ID of the session for which the trace was enabled On Windows, you may use the following query to retrieve your session s trace file name (you may have to tweak the query since Oracle changes the naming scheme sometimes; also the parameter tracefile_identifier affects a trace file name, as you will see shortly): SQL> select cvalue || '\ORA' || to_char(aspid,'fm00000') || 'trc' 2 from v$process a, v$session b, v$parameter c 3 where aaddr = bpaddr 4 and baudsid = userenv('sessionid') 5 and cname = 'user_dump_dest'; On UNIX, this query can be used to retrieve the session s trace file name: SQL> select cvalue || '/' || dinstance_name || '_ora_' || 2 to_char(aspid,'fm99999') || 'trc'.

In ASP .NET, the aspx file containing your markup is transformed into a class definition at runtime. This happens the first time a request is made for the page after it s deployed. The generated class is defined as inheriting from the class defined in your page s code-behind file. This class is then compiled, and the compiled class is used to respond to requests for your aspx page from there on. This happens once: the first time a request is made for a page. Subsequent requests reuse the compiled class. A change to the aspx file or an assembly it depends on causes this process to repeat. This means that the markup in an aspx file is actually just an abstraction created for you as a programming convenience! Web developers are familiar with the model of adding serverside tags to markup. It s the model in several web development environments, and since that s what web developers are accustomed to, it s one Microsoft provides with the ASP .NET Framework. However, at runtime, no markup is involved; it s pure binary executable code.

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Consider the following, now familiar, markup: <HTML> <HEAD><title>WebForm1</title></HEAD> <body> <form id="Form1" method="post" runat="server"> <asp:Label id="Label3 runat="server">User Name</asp:Label> <asp:TextBox id="TextBox1" runat="server" /> <asp:Label id="Label2" runat="server">Password</asp:Label> <asp:TextBox id="TextBox3" runat="server" /> <asp:Button id="Button1" runat="server" Text="Login" /> <asp:Label id="lblOutput" runat="server" /> /form> </body> </HTML> The first time the page is requested at runtime, several things occur The markup is transformed into a class file This class file is named after the aspx file For example, markup in WebFormaspx becomes a class named WebForm_aspx under the namespace ASP If you re using code-behind, a partial class is also generated to accom pany it This generated class is declared as being a partial definition of the class defined in the page s code-behind The class file is compiled with the rest of the class definition from the code-behind file References are dynamically added to any other assemblies the Web Project depends on.

let idsMap = Map.of_list ids let ident lexbuf tokenText = if Map.mem tokenText idsMap then Map.find tokenText idsMap else ID tokenText } let let let let let let num alpha ident integer whitespace newline = = = = = = ['0'-'9']+ ['a'-'z' 'A'-'Z'] alpha+ (alpha | ['_' '$'])* '-' num ' ' | '\t' '\n' | '\r' '\n'

v$process a, v$session b, v$parameter c, v$instance d a.addr = b.paddr b.audsid = userenv('sessionid') c.name = 'user_dump_dest';

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