appendix c cgi modules for perl 5

... = t; // instance created via copy constructor This code implies that a default constructor and a copy constructor for T exist Withoutthese constructors, compiler errors would occur The last line ... type T are created, one with thedefault constructor and two with the copy constructor: T t; // instance created via default constructor T t1(t); // instance created via copy constructor T t2 ... discussion to Chapter 11 The CTS does not have a concept for destructors, but you can implement a special NETinterface to support a destructor-like deterministic resource cleanup This interface is calledSystem::IDisposable

Ngày tải lên: 12/08/2014, 16:21

... special character code In combination, the backslash and spe-cial character code are an escape sequence For example, '\n' represents anewline, and '\t' represents a tab Since a backslash indicates ... the chance.” Making such a choicewill cause the compiler to allow the conversion However, with an explicitconversion, there is still a chance that an error, in the form of an exception,might occur ... the necessary code logic when itdoesn’t com-A D V com-A N C E D T O P I C Checked and Unchecked Conversions C# provides special keywords for marking a code block to indicate whatshould happen

Ngày tải lên: 12/08/2014, 16:21

... particularly large garbage collection cycle is necessary In order to reduce the likelihood of a garbage collection cycle at an inopportune time, however, the System.GC object includes a Collect() ... inheritance is such a core part of exception handling 10 Exception Handling DISCUSSED using the try/catch/finally blocks for standard exception handling In that chapter, the catch block always caught ... graph of all reachable objects Instead of enumerating all the inaccessible objects, the garbage collector performs garbage collection by compacting all reachable objects next to each other, thereby

Ngày tải lên: 12/08/2014, 16:21

... deadlock The deadlock actually occurs if both Thread 1 and Thread 2successfully acquire their initial locks (_Sync1 and _Sync2, respectively)before obtaining their second locks Two conditions cause ... decreases performance and increases the Trang 35Synchronization 685chance of a lock contention or deadlock With the exception of classes thatare explicitly designed for multithreaded access, programmers ... on which no one will block, except for theclass that has access to it Declaring Fields as volatile On occasion, the compiler may optimize code in such a way that theinstructions do not occur in

Ngày tải lên: 12/08/2014, 16:21

... (CIL). A second compilation step occurs, generally at execution time, converting the CIL to machine code the processor can understand Conversion to machine code is still not cient for code execution, ... of the CLI Rather, CLR is theMicrosoft-specific implementation of the runtime for the NET platform Regardless, CLR is casually used as a generic term for runtime, and the technically accurate ... newobjects (than with unmanaged code), because it is not necessary to searchthrough memory to locate space for a new allocation This also decreasesthe chance of paging because more objects are located

Ngày tải lên: 12/08/2014, 16:22

... organized into a class. public class Level { public struct tilemapStruct { public int tilenum; public string data1; public string data2; public string data3; public string data4; public bool collidable; ... draw a copy of a sprite, based on its current animation frame, to any location on the screen, without changing the sprite ’s position That calls for a new Draw() function that accepts screen coordinates ... hard for such a seemingly simple graphics demo. The reason for this processor abuse is the use of a timer for rendering For reference, here is a cropped version of the timer1_tick() function

Ngày tải lên: 14/08/2014, 01:20

... results, enclosing code including a fetch of the outer cursor It is that last piece that cannot be accommodated by the per-statement transformation Hence, there are no timings for q17b for the per-statement ... significant impact on performance, especially for MAX Increasing the skew of the data (from uniform to Gaussian distribution: DS1 compared with DS2) produces a decrease in running time for maximal ... single point in time We therefore developed a second transformation approach, termed per-statement slic-ing, which separately slices each construct that references a temporal result, whether

Ngày tải lên: 09/12/2017, 11:29

... 42This method returns an object blessed into the Apache::Connection class See Section 9.2.4" later in this chapter for information onwhat you can do with this object once you get it my $c = $r->connection; content() ... Sending data to the client Methods for sending document content data to the client Server core functions Methods that control key aspects of transaction processing but arenot directly related to processing browser data input or output ... Trang 13object's connection( ) method The connection object is not available outside of handlers for the various request phases because there is noconnection established in those cases By convention, we use the

Ngày tải lên: 26/03/2019, 17:13

... 42This method returns an object blessed into the Apache::Connection class See Section 9.2.4" later in this chapter for information onwhat you can do with this object once you get it my $c = $r->connection; content() ... Sending data to the client Methods for sending document content data to the client Server core functions Methods that control key aspects of transaction processing but arenot directly related to processing browser data input or output ... Trang 13object's connection( ) method The connection object is not available outside of handlers for the various request phases because there is noconnection established in those cases By convention, we use the

Ngày tải lên: 19/04/2019, 10:14

... 15representations For example,\cHmatches Control-H, anASCII backspace character.Character classes and class-like constructs Character classes are used to specify a set of characters A char-acter class matches ... comment in/x mode \u Force next character to uppercase \l Force next character to lowercase \U Force all following characters to uppercase \L Force all following characters to lowercase \Q Quote all ... Unicode charactersbecause they expect 1 byte ASCII characters Basic supportfor Unicode characters starts with the ability to match a lit-eral string of Unicode characters Advanced support includescharacter

Ngày tải lên: 14/09/2020, 23:07

... the Web: informit.com/aw Library of Congress Cataloging-in-Publication Data Michaelis, Mark Essential C# 3.0 : for NET Framework 3.5 / Mark Michaelis p cm Includes index ISBN 978-0-321-53392-0 (pbk ... 978-0-321-53392-0 (pbk : alk paper) C# (Computer program language) Microsoft NET Framework I Title QA76.73.C154M5235 2008 006.7’882—dc22 2008023595 Copyright © 2009 Pearson Education, Inc All rights reserved ... any means, electronic, mechanical, photocopying, recording, or likewise For information regarding permissions, write to: Pearson Education, Inc Rights and Contracts Department 501 Boylston Street,

Ngày tải lên: 12/08/2014, 16:21

... theruntime calls static constructors automatically upon first access to theclass, whether via calling a regular constructor or accessing a static method or field on the class You use static constructors ... declaring and calling astatic method Listing 5.37: Defining a Static Method on DirectoryInfo public static class DirectoryInfoExtension public static void CopyTo( DirectoryInfo sourceDirectory, ... which constructor to call before executing the implementation of the current constructor (seeListing 5.31) Listing 5.31: Calling One Constructor from Another public int Id { get; set; } public

Ngày tải lên: 12/08/2014, 16:21

... System.ApplicationExceptionderives from System.Exception Since ApplicationException mostclosely matches the exception thrown, catch(ApplicationException ) will catch the exception instead of the catch(Exception ... N C E D T O P I C Empty Catch Block Internals The CIL code corresponding to an empty catch block is, in fact, a catch(object) block This means that regardless of the type thrown, theempty catch ... block, anoverflow assignment occurs at runtime.The C# compiler provides a command-line option for changing thedefault checked behavior from unchecked to checked C# also supports anunchecked block

Ngày tải lên: 12/08/2014, 16:21

... Advanced Topic sections inChapter 5 Next, this chapter covers the various collection interfaces and howthey relate to each other This is the basis for understanding collections, soreaders should cover ... sacrifice", "Politics without principle" A few basic requirements are neede for a collection initializer tocompile successfully Ideally, the collection type to which a collectioninitializer ... Types Implicit Local Variables Collection Initializers Collections Standard Query Operators Trang 32To begin, this chapter introduces anonymous types and collection ers, topics which I covered only

Ngày tải lên: 12/08/2014, 16:21

... thisinstance once it has checked each item within list A complete discussionof delegates occurs in Chapter 12 Dictionary Collections: Dictionary<TKey, TValue> Another category of collection classes ... like a containerfrom which the data is retrieved A second important characteristic to notice is that calling Count() twicecauses func to again be invoked once on each item selected Since selection ... I focus on the generic collections and do not discussnongeneric collection types More Collection Interfaces This section delves into the collection-related interfaces to help you stand the common

Ngày tải lên: 12/08/2014, 16:21

... these forms of competition can be divided into two basic categories price and nonprice competition Price competition is of particular interest to economists, who see it as an important source ... source of information for market 2 Friedrich H Hayek, “The Meaning of Competition,” Individualism and Economic Order (Chicago: University of Chicago Press, 1948), p 97 Trang 5Chapter 2 Competitive ... is unrestricted Producers can start up or shut down production at will Anyone can enter the market, duplicate the good, and compete for consumers’ dollars Since each competitor produces only a

Ngày tải lên: 08/11/2013, 00:15

... Makefile for for for for for for for for for for for for Apache Apache::Connection Apache::Constants Apache::File Apache::Log Apache::ModuleConfig Apache::Server Apache::Symbol Apache::Tie Apache::URI ... directory for executable CGI scripts, cgi- bin; a directory for dynamically loaded modules, libexec; header files for building Clanguage modules, include; and the document root directory, htdocs.[2] ... ok, access restrictions apply Remote system type is UNIX Using binary mode to transfer files ftp> cd /pub /perl/ CPAN /modules/ by-module 250 CWD command successful ftp> cd MD5 250 CWD command successful...

Ngày tải lên: 21/12/2013, 11:15

... interpret include files, and check conditional compilation Preprocessor directives give instructions to the compiler that are performed before the program is compiled Each preprocessor directive begins ... I/O functions also recognize %d for decimal integers, %x for hexadecimals, %c for characters, and %s for character strings The function fwrite writes binary data That is, fwrite writes blocks of ... 470 APPENDIX C: INTRODUCTION OF C PROGRAMMING FOR DSP APPLICATIONS C program (Source) Preprocessor Compiler Assembly code Assembler Object code Linker (loader) Libraries Execution Data...

Ngày tải lên: 25/01/2014, 19:20

... Inline: :C Techniques 244 Learning More about Inline: :C 251 Summary 251 Chapter 11 CGI Application Modules for CPAN 253 Introduction to CGI: :Application ... package CAUTION Modules with similar names not necessarily have any relationship For example, the CGI and CGI: :Thin modules have nothing in common CGI: :Thin is not necessarily a subclass of CGI, ... Module to CPAN 129 Chapter Module Maintenance 139 Chapter Great CPAN Modules 1 65 Chapter Programming Perl in C 1 75 Chapter Writing C Modules with XS 2 05 Chapter...

Ngày tải lên: 25/03/2014, 10:32