c programming examples with output pdf

Web Client Programming with Perl-Chapter 7: Graphical Examples with Perl/Tk- P1

... in order. Now we can use another function called traverse(), which operates on this data structure and lets us specify what function to call for each piece of information it contains. Keeping ... module with Perl. You can get Tk from any CPAN archive (http://www.perl.com/CPAN/). The Tk extension provides an easy way to draw a window, put widgets into it (such as buttons, check boxes, ... a few examples of Tk-based web clients, which go beyond the command-line interface that we've been using so far in this book:[1]  xword, a dictionary client  track, a graphical version...

Web Client Programming with Perl-Chapter 7: Graphical Examples with Perl/Tk- P2

Danh mục: Quản trị Web

... "CHINA", "COLOMBIA", "CONGO", "COOK ISLANDS", "COSTA RICA", "COTE D'IVOIRE", "CROATIA", "CYPRUS", "CZECH ... REPUBLIC", "DENMARK", Chapter 7: Graphical Examples with Perl/Tk- P2 The do_search( ) function will take an optional $url argument, to give it an alternative place to connect ... clean up, and then we can do our lookup. If we care about this $tag, then we compress all spaces in the current text string (makes the display a little bit nicer) and call the function specified...

Web Client Programming with Perl-Chapter 7: Graphical Examples with Perl/Tk- P3

Danh mục: Quản trị Web

... Package tracking client Chapter 7: Graphical Examples with Perl/Tk- P3 Our destinations list is an almost exact copy of the list you'd see on the web page. For ease in using, we placed ... 'top_left_arrow'); -yscrollcommand => ['set', $scroll], -exportselection => 0); $scroll->configure(-command => ['yview', $listbox]); $scroll->pack(-side => ... typed a letter, it would scroll to the first entry starting with that letter. Or you could put an additional entry, and search for any word starting with those characters: my $response_f =...

Tài liệu modularizing programming with subprograms pdf

Danh mục: Cơ sở dữ liệu

... Works” to the screen.a.Replace the skeleton text with text from LABS/p20proc.pls.b.Compile the code. Make appropriate corrections so code successfullycompiles. c. Execute the procedure at the ... functions. Youare already familiar with SQL functions. You call the function with actual parametersfrom within a SQL command, such as SELECT. Example Number FunctionsROUND (1896,2)TRUNC (1892,-2) ... SQL clauses.DThe select list of a SELECT commandDThe condition of a WHERE and HAVING clauseDThe CONNECT BY, START WITH, ORDER BY, and GROUP BY clausesDThe VALUES clause of the INSERT commandDThe...

Tài liệu Web Client Programming with Perl-Chapter 7: Graphical Examples with Perl/Tk- P4 docx

Danh mục: Quản trị Web

... selected. my $site = ""; my ($content, @down); my @selected = $list->curselection; $mw->configure(-cursor => 'watch'); $mw->idletasks; foreach $index ... actually ping each site. The code to check a site's status is as follows, where $site is a string containing a standard URL (like http://www.ora.com): $content = head($site); if ($content) ... $history_label->configure(-background => $old_color); } } The function ping_site( ) is called when a new site is added to update its status. It is also called when in automode. It checks the...

Tài liệu Network Programming with Perl pdf

Danh mục: Quản trị mạng

... address with bindTell system to watch for incoming connections with listenWaits for a connection with accept or select☞ÄÄÄÄSlide 49 Comparing packed addresses (cont.)ExplanationThe structure ... the use of context here disturbs you then you canexplicitly call pack_sockaddr_in andunpack_sockaddr_in.☞☞☞☞Slide 8 The socket modelThe ServerCreates a generic socket with socketBinds ... Communication protocolsThere are two protocols that are mainly usedTCP is used with a stream socket to provide areliable, sequenced, flow-controlled channel ofcommunication.UDP is used with...

Tài liệu Advanced Linux Programming: 1-Advanced UNIX Programming with Linux pdf

Danh mục: Hệ điều hành

... Makefile contains:reciprocal: main.o reciprocal.og++ $(CFLAGS) -o reciprocal main.o reciprocal.omain.o: main .c reciprocal.hppgcc $(CFLAGS) -c main .c reciprocal.o: reciprocal.cpp reciprocal.hppg++ ... (“The reciprocal of %d is %g\n”, i, reciprocal (i));return 0;}Listing 1.2 (reciprocal.cpp) C+ + source file—reciprocal.cpp#include <cassert>#include “reciprocal.hpp”double reciprocal (int ... source code into machine-readable object code thatcan actually run.The compilers of choice on Linux systems are all part of the GNUCompiler Collection, usually known as GCC.3GCC also include...

Tài liệu Practical C Programming Third Edition pdf

Danh mục: Kỹ thuật lập trình

... system with a generic cc compiler or the Free Software Foundation’s gcccompiler. For MS-DOS/Windows users, instructions are included for Borland C+ +,Turbo C+ +, and Microsoft Visual C+ +. (These compilers ... they are introduced. Italic is also used to highlight commentsin examples. Practical C Programming xvPrefaceThis book is devoted to practical C programming. C is currently the premierlanguage ... following command line:% gcc -g -Wall -ansi -pedantic -ohello hello .c The switch -ansi turns off features of GNU C that are incompatible with ANSI C. The -pedantic switch causes the compiler...

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Tài liệu Beej''''s Guide to C Programming pdf

Danh mục: Kỹ thuật lập trình

... after, you can use calloc() to dothat in one call.I wish this section on calloc() were more exciting, with plot, passion, and violence, likeany good Hollywood picture, but this is C programming ... translator.The C source code presented in this document is hereby granted to the public domain, and iscompletely free of any license restriction.Educators are freely encouraged to recommend or supply copies ... the memory is cleared to zero when using calloc())The pointer returned by calloc() can be used with realloc() and free() just as if youhad used malloc().The drawback to using calloc() is that...

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Tài liệu Báo cáo khoa học: "Learning Parse and Translation Decisions From Examples With Rich Context" pdf

Danh mục: Báo cáo khoa học

... which currently con- sists of a directed acyclic graph of 4356 mostly semantic and syntactic concepts connected by 4518 is-a links, e.g. "book,~o~,n-eoncept is-a tangible - objectnoun-coneept". ... http://www.logos-ca.com/ Oct. 1996. SYSTRAN. http://systranmt.com/ Oct. 1996. 489 Features 6 ' 25 50 100 205 Prec. Recall L. pr. L. rec. Tagging Cr/snt 0 cr <lcr <2cr < 3cr < 4cr ... phrases. Core slots of frames are surface and lexi- cal form, syntactic and semantic category, subframes with syntactic and semantic roles, and form restric- 1The lexicon provides part-of-speech...

Introduction to Programming with Fortran pdf

Danh mục: Kỹ thuật lập trình

... 21514 Characters 217 14.1 Introduction 217 14.2 Character Input 218 14.3 Character Operators 219 14.4 Character Substrings 221 14.5 Character Functions 222 14.6 Collating Sequence 223 ... practice. Chapter 4 provides an introduction to programming with some simple Fortran • examples. For people with a knowledge of programming this chapter can be covered fairly quickly. Chapter ... It is much criticised because it lacks features that encourage or force the adoption of sound programming techniques. 3.9.6 C There is a requirement in computing to be able to access the...