introduction to c programming language ppt
Introduction to C++ Programming
Ngày tải lên :
25/04/2013, 19:12
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2003 Prentice Hall, Inc. All rights reserved.
8
Introduction to C+ + Programming
• C+ + language
– Facilitates structured and disciplined approach to computer
program design
• ... std::cout
– “Connected” to screen
– <<
• Stream insertion operator
• Value to right (right operand) inserted into output stream
• Escape characters
– \
– Indicates “special” character ... main
Welcome
to
C+ +!
Using newline characters to
print on multiple lines.
2003 Prentice Hall, Inc. All rights reserved.
2
History of C and C+ +
• History of C
– Evolved from two other programming languages
•...
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Tài liệu A Programmer''''s Introduction to C# pptx
Ngày tải lên :
10/12/2013, 16:15
... a constructor for the class, which is a special function that is
called to help construct an instance of the class. The constructor takes two integer parameters.
In this constructor, a special ... function; a piece of code that is
called on an instance of the object. Constructors can only be called automatically when an instance of
an object is created with new.
Other member functions ... // catch a specific exception
catch (DivideByZeroException e)
{
Console.WriteLine("DivideByZero {0}", e);
}
// catch any remaining exceptions
catch (Exception e)
{
Console.WriteLine("Exception...
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Tài liệu A Programmer''''s Introduction to C# ppt
Ngày tải lên :
19/01/2014, 16:20
... .NET
objects.
[2]
The .NET Common Language Runtime will make objects in the runtime appear to be COM
objects to existing COM-based code. Native C code in DLL files can be called from C# code. ... writing C# code can indicate that it is supposed to be CLS compliant, and the compiler will flag
any non-compliant areas. For more information on the specific restrictions placed on C# code by CLS ... // catch a specific exception
catch (DivideByZeroException e)
{
Console.WriteLine("DivideByZero {0}", e);
}
// catch any remaining exceptions
catch (Exception e)
{
Console.WriteLine("Exception...
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- 1
The C programming language.
Ngày tải lên :
14/11/2012, 17:10
... */
http://freebooks.by.ru/view/CProgrammingLanguage/chapter1.html (7 of 30) [5/15/2002 10:13:14 PM]
Chapter 1 - A Tutorial Introduction
automatic henceforth to refer to these local variables. (Chapter 4 discusses the static storage class, ...
declarations are needed in file2 and file3 to connect the occurrences of the variable. The usual practice is to collect
extern declarations of variables and functions in a separate file, historically ... 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,...
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- 1
C Programming language
Ngày tải lên :
20/10/2013, 17:15
... terminology in other languages. We will use the
term automatic henceforth to refer to these local variables. (
Chapter 4
discusses the
static
storage class, in which local variables do retain ... This is the topic of the next section.
1.9 Character Arrays
The most common type of array in C is the array of characters. To illustrate the use of
character arrays and functions to manipulate ... then
extern
declarations are needed in
file2
and
file3
to connect the occurrences of the
variable. The usual practice is to collect
extern
declarations of variables and functions in a
separate...
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Tài liệu Chapter4 Introduction to the Cisco IOS ppt
Ngày tải lên :
10/12/2013, 16:15
...
Router(config)#hostname Noko
Noko(config)#hostname Noco
Noco(config)#
Descriptions
description 命令:本地标志,可以给接口加描述,以便用于区分,如下:
Noco(config)#int e0
Noco(config-if)#description Sales LAN
Noco(config-if)#^Z ... 个命令是如何写的,比如你只记得是字母 c 开头,你可以输入 c 加 1 个?,将得
到该模式下可以使用的所有命令:
Router #c?
clear clock configuration connect copy
Router#clock ?
set Set the time and date
3.假如你输入的命令不完整,将得到 1 个错误提示:Imcomplete command,这样有助于分析命令
哪出错了 ...
3.Esc+B:后退 1 个单词
Chapter4 Introduction to the Cisco IOS
The Cisco Router User Interface
Cisco Internetwork Operation System(IOS)是 Cisco 的 routers 和 switches 的内核
Cisco Router IOS
IOS 的一些功能:...
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Tài liệu Module 1: Introduction to SharePoint Portal Server ppt
Ngày tải lên :
10/12/2013, 16:15
...
Accessing external content. You can add content sources to a workspace to
provide access to external information, such as Microsoft Exchange
databases, Lotus Notes databases, Web content, ... are tools that you can use to discuss workspace
documents with other users. You can access Web discussions from your
browser or from the Office 2000 Collaboration toolbar.
Topic Objective ...
access to a document, such as read-only access and the ability to author, and it
should be possible to give varying levels of access to files or collections of
files.
In addition to security...
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Tài liệu Practical C Programming P2 pptx
Ngày tải lên :
12/12/2013, 22:15
... how to get their software.)
Among 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 ... UNIX cc compiler (generic UNIX)
Most UNIX -based compilers follow the same generic standard. The C compiler is
named cc, and to compile our hello program we need the following command:
% cc -g ...
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 A Concise Introduction to Data Compression- P2 ppt
Ngày tải lên :
14/12/2013, 15:15
... Shannon–Fano constructs its codes from top to bottom (and the
bits of each codeword are constructed from left to right), while Huffman constructs a
code tree from the bottom up (and the bits of each codeword ... frequency of occurrence F . Each iteration of the loop
involves three steps as follows:
1. Compare X to its successors in the tree (from left to right and bottom to top). If
the immediate successor ... replaced by a code
(called “edoc”) that is, in turn, replaced by a prefix code that’s output to the com-
pressed file. Distances are located in the second table and are replaced by special prefix
codes...
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Tài liệu A Concise Introduction to Data Compression- P3 pptx
Ngày tải lên :
14/12/2013, 15:15
... is called reflected Gray code
(RGC). This code is easy to generate with the following recursive construction:
Start with the two 1-bit codes (0, 1). Construct two sets of 2-bit codes by duplicating
(0, ... with the concepts of successor and predecessor. An integer N
has both a successor N + 1 and a predecessor N − 1. Cantor has shown that the rational
numbers are countable; each can be associated ... DCT is therefore done by (1) computing the DCT coefficients of the
pixels, (2) quantizing the coefficients, and (3) encoding them with variable-length codes
or arithmetic coding. The small coefficients...
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Tài liệu A Concise Introduction to Data Compression- P4 pptx
Ngày tải lên :
14/12/2013, 15:15
... DCTMatrix[[#1]],DCTMatrix[[#2]]]&,
{8,8}];
img={{0,1,0,1,0,1,0,1},{0,1,0,1,0,1,0,1},
{0,1,0,1,0,1,0,1},{0,1,0,1,0,1,0,1},{0,1,0,1,0,1,0,1},
{0,1,0,1,0,1,0,1},{0,1,0,1,0,1,0,1},{0,1,0,1,0,1,0,1}};
ShowImage[Reverse[img]]
dctcoeff=Array[(Plus @@ Flatten[DCTTensor[[#1,#2]] img])&,{8,8}];
dctcoeff=SetAccuracy[dctcoeff,4];
dctcoeff=Chop[dctcoeff,.001];
MatrixForm[dctcoeff]
ShowImage[Reverse[dctcoeff]]
Code ... block of n×m DCT coefficients G
ij
for each
block of pixels. The top-left coefficient (the DC) is large, and the AC coefficients become
smaller as we move from the top-left to the bottom-right corner. ... again indicating the correct frequency.
These examples are not very realistic because the vectors being tested are short,
simple, and contain a single frequency each. Most vectors are more complex...
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