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c programming examples with output

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

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

Quản trị Web

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

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

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

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

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

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

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...
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The C programming Langguage 2nd Edition

The C programming Langguage 2nd Edition

Kỹ thuật lập trình

... used in comparisons with other characters. Certain characters can be represented in character and string constants by escape sequenceslike \n (newline); these sequences look like two characters, ... the other is specificallycalled for. For instance, consider the function squeeze(s ,c) , which removes all occurrencesof the character c from the string s. /* squeeze: delete all c from s */ ... A character constant is an integer, written as one character within single quotes, such as'x'. The value of a character constant is the numeric value of the character in the machine'scharacter...
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Bài giảng C Programming Help

Bài giảng C Programming Help

Kỹ thuật lập trình

... • Mỗi c u lệnh viết trên một dòng. C c câu lệnh c ng c p viết trên c ng một c t, c c câu lệnh c c p nhỏ hơn viết thụt vào trong, c ch lệnh c p trên bằng mộtkhoảng Tab ... project : chọn menu Project/Close Project.2. Một số nguyên t c khi kết nối dữ liệu trong Project.• C c tập tin .H thường dùng để khai báo c c biến dữ liệu và hàm dùng chung(export data). C c ... hiện c a chúng chỉ khai báo một lần duy nhất trong tập tin .CPPtương ứng.• Tập tin project thường chứa c c tập tin c i đặt .CPP, thư viện đối tượng .OBJ, …• C c tập tin trong c ng một project...
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C Programming Help

C Programming Help

Kỹ thuật lập trình

... Bottom;}RECT;2. C ch trình bày• Đầu mỗi chương trình hay tập tin đều c một số dòng mô tả. C c thông tinthường đề c p trong phần này thường là : tên tập tin, tóm tắt m c đích c achương trình, ... lpEvent là biến kiểu con trỏ• Tên hàm : thường bắt đầu bằng một động từ. Thứ tự c c tham số trong hàm đư c qui ư c theo thứ tự : c c dữ liệu trả về, c c dữ liệu vào, …• Ví dụ :void CopyArray(int ... để thuận tiện cho vi c theo dõi chương trình, người ta thường thêm trư c tên biến một số kí tự viếtthường để chỉ kiểu dữ liệu c a biến đó. C c kí tự thường đư c dùng trong qui ư c này thường...
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The C programming language.

The C programming language.

Kỹ thuật lập trình

... in comparisons with other characters. Certain characters can be represented in character and string constants by escape sequences like \n (newline); these sequences look like two characters, ... A character constant is an integer, written as one character within single quotes, such as 'x'. The value of a character constant is the numeric value of the character in the machine's ... must create the program in a file whose name ends in `` .c& apos;', such as hello .c, then compile it with the command cc hello .c If you haven't botched anything, such as omitting a character...
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Introduction to C++  Programming

Introduction to C++ Programming

Công nghệ thông tin

... of objects absorb characteristics from existing classes–Objects• Encapsulate data and functions• Information hiding– Communicate across well-defined interfaces2003 Prentice Hall, Inc. All ... cout instead of std::cout2003 Prentice Hall, Inc. All rights reserved.4 C+ + Standard Library C+ + programs– Built from pieces called classes and functions• C+ + standard library– Rich collections ... programexecutes.CompilerCompiler createsobject code and storesit on disk.Linker links the objectcode with the libraries,creates a.out andstores it on diskEditorPreprocessorLinkerCPUPrimaryMemory............DiskDiskDiskDiskDisk2003...
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C Programming language

C Programming language

Kỹ thuật lập trình

... c = getchar(); the variable c contains the next character of input. The characters normally come from the keyboard; input from files is discussed in Chapter 7. The function putchar ... function putchar prints a character each time it is called: putchar (c) ; prints the contents of the integer variable c as a character, usually on the screen. Calls to putchar and printf may ... a character Converting this into C gives: #include <stdio.h> /* copy input to output; 1st version */ main() { int c; c = getchar(); while (c != EOF) { putchar (c) ;...
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Tài liệu Practical C Programming P2 pptx

Tài liệu Practical C Programming P2 pptx

Kỹ thuật lập trình

... Turbo C+ + under MS-DOS Borland International makes a low-cost MS-DOS C+ + compiler called Turbo C+ +. This compiler will compile both C and C+ + code. We will describe only how to compile C code. ... their offerings is a C compiler called gcc. To compile a program using the gcc compiler use the following command line: % gcc -g -Wall -ohello hello .c The additional switch -Wall turns on the ... is: C: > bcc -ml -v -N -P -w -ehello hello .c The command-line options are the same for both Turbo C+ + and Borland C+ +. 2.3.3.5 Microsoft Visual C+ + Microsoft Visual C+ + is another C+ + /C compiler...
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Tài liệu Practical C Programming P1 doc

Tài liệu Practical C Programming P1 doc

Kỹ thuật lập trình

... gcc compiler. For MS-DOS/Windows users, instructions are included for Borland C+ +, Turbo C+ +, and Microsoft Visual C+ +. (These compilers compile both C and C+ + code.) The book also gives examples ... and Functions Scope and Class Functions Functions with No Parameters Structured Programming Recursion Answers Programming Exercises 10. C Preprocessor #define Statement Conditional ... Environment IDE Cookbooks Programming Exercises 3. Style Common Coding Practices Coding Religion Indentation and Code Format Clarity Simplicity Summary 4. Basic Declarations and...
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Tài liệu C Programming for Embedded Systems docx

Tài liệu C Programming for Embedded Systems docx

Kỹ thuật lập trình

... manoeuvre. Programming the prescalar and starting the clock are tasks of the software developer. Knowing the processor clock frequency, and choosing correct prescalar values, you can achieve accurate ... and is reset with two write instructions to the COPCR register. Interestingly, the COP watchdog is dependent upon the system clock; a clock monitor circuit resets the MCU if the clock stops, and ... interrupt each second(a) Increment clock counter.(b) Request display update. (c) Loop through the preset cycles. If clock is at or past the indexed cycle time, set target temperature to that cycle.3....
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