c programming examples with output
Web Client Programming with Perl-Chapter 7: Graphical Examples with Perl/Tk- P1
Ngày tải lên :
07/11/2013, 09:15
... 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
Ngày tải lên :
07/11/2013, 09:15
... "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
Ngày tải lên :
07/11/2013, 09:15
... 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
Ngày tải lên :
14/12/2013, 13:15
...
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
Ngày tải lên :
16/08/2012, 11:09
... used 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, ... the other is specifically
called for. For instance, consider the function squeeze(s ,c) , which removes all occurrences
of 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's
character...
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Bài giảng C Programming Help
Ngày tải lên :
22/08/2012, 09:26
... • 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 một
khoảng 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 .CPP
tương 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
Ngày tải lên :
05/09/2012, 15:09
... Bottom;
}RECT;
2. C ch trình bày
• Đầu mỗi chương trình hay tập tin đều c một số dòng mô tả. C c thông tin
thường đề c p trong phần này thường là : tên tập tin, tóm tắt m c đích c a
chương 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 viết
thường 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.
Ngày tải lên :
14/11/2012, 17:10
... 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
Ngày tải lên :
25/04/2013, 19:12
... 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 ... program
executes.
Compiler
Compiler creates
object code and stores
it on disk.
Linker links the object
code with the libraries,
creates a.out and
stores it on disk
Editor
Preprocessor
Linker
CPU
Primary
Memory
.
.
.
.
.
.
.
.
.
.
.
.
Disk
Disk
Disk
Disk
Disk
2003...
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C Programming language
Ngày tải lên :
20/10/2013, 17:15
...
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
Ngày tải lên :
12/12/2013, 22:15
... 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
Ngày tải lên :
12/12/2013, 22:15
... 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
Ngày tải lên :
22/12/2013, 02:17
... 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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