the c programming language by kernighan and ritchie

... such as 'x'. The value of a character constant is the numeric value of the character in the machine's character set. For example, in the ASCII character set the character constant ... 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 called a header, ... PM] Chapter 1 - A Tutorial Introduction main() { int c; while ( (c = getchar()) != EOF) putchar (c) ; } The while gets a character, assigns it to c, and then tests whether the character was the...

Ngày tải lên: 14/11/2012, 17:10

Ngày tải lên: 29/10/2013, 00:48

... to indicate how a collec- tion should be serialized. You can set the name of the collection, the name of elements within the collection, and the XML namespace associated with the collection. • : ... consultant whose clients have included The Weather Channel, CBS, Burton, and Microsoft. Scott Seely, an architect at MySpace, works on the OpenSocial API, one of the world’s most successful REST-based ... the new account request, and so forth. If you’re writing a service, you should provide this information. Anyway, to call the RESTful service and create the new service user account, you use the...

Ngày tải lên: 21/02/2014, 06:20

... named data, and a con- structor. Assuming that the source code of the example is stored in the file acme.cs, the command line csc /t:library acme.cs compiles the example as a library (code without ... multi- file C# program is compiled, all of the source files are processed together, and the source files can freely reference one another—conceptually, it is as if all the source files were con- catenated ... are created using class declarations. A class declaration starts with a header that specifies the attributes and modifiers of the class, the name of the class, the base class (if given), and the...

Ngày tải lên: 15/03/2014, 17:20

... ta ac ck k: :p po op p() { /* check for underflow and pop */ } The user code goes in a third file, say u us se er r .c c. The code in u us se er r .c c and s st ta ac ck k .c c shares the stack interface ... S St ta ac ck k: :p pu us sh h(s st ta ac ck k s s, c ch ha ar r c c) { /* check s for overflow and push c */ } c ch ha ar r S St ta ac ck k: :p po op p(s st ta ac ck k s s) { /* check s for ... implementation could consist of everything from the concrete class S St ta ac ck k that we left out of the interface S St ta ac ck k: c cl la as ss s A Ar rr ra ay y_ _s st ta ac ck k : p pu ub bl li ic c...

Ngày tải lên: 17/03/2014, 13:20

... value of the character in the machine's character set. For example, in the ASCII character set the character constant '0' has the value 48, which is unrelated to the numeric value ... nl++; prefix and postfix are the same. But there are situations where one or the other is specifically called for. For instance, consider the function squeeze(s ,c) , which removes all occurrences of the character ... integers, although they are most often used in comparisons with other characters. Certain characters can be represented in character and string constants by escape sequences like \n (newline); these sequences...

Ngày tải lên: 16/08/2012, 11:09

... } }; You could compile the class unchanged in C+ +/CLI with the following command line: cl /clr atom.cpp and it would be a valid C+ +/CLI program. That’s because C+ +/CLI is a superset of C+ +, so any C+ + ... } }; Notice a few things about this code. Instead of the classic C+ + static_cast (or dynamic_cast), we use a casting construct that is introduced in C+ +/CLI, safe_cast. A safe cast is a cast in which ... generic classes and functions. Summary In this chapter, you learned some of the important language constructs of C+ +/CLI. Of course, there are other significant features, and there is much more...

Ngày tải lên: 05/10/2013, 08:20

... value, the function can access and alter any argument of the array. 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. ... discussed in Chapter 7. The 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. ... file1 and used in file2 and file3 , then extern declarations are needed in file2 and file3 to connect the occurrences of the variable. The usual practice is to collect extern declarations...

Ngày tải lên: 20/10/2013, 17:15

... incoming collection really contains only instances of E, but: • The static type of the incoming collection might differ, perhaps because the caller doesn’t know the precise type of the collection ... To represent these shapes within the program, you could define a class hierarchy such as this: public abstract class Shape { public abstract void draw(Canvas c) ; } public class Circle extends Shape ... legacy code from within generic code, and using generic code within legacy code. 6.1 Using Legacy Code in Generic Code How can you use old code, while still enjoying the benefits of generics in...

Ngày tải lên: 26/10/2013, 18:15

... use the 5g command instead of 6g to compile Go programs, and 5l instead of 6l to link them. The alternative is a front end for the GNU Compiler Collection (GCC), called gccgo. This turns Go code ... type directly, then the methods on it are just syntactic sugar on function calls. They are statically looked up and called. The other side of the Go type system is visible via interfaces. Unlike ... invoke the version of it speci c to your architecture. If you’re on an x86-64 system, then this will be 6g. This takes a list of Go source files and produces object code. The object code must then...

Ngày tải lên: 17/02/2014, 23:20

... after the classic The C Programming Language (Prentice Hall) by Brian Kernighan and Dennis Ritchie, and aims to document the Ruby language comprehensively but without the formality of a language ... of characters. Ruby’s lexical rules are defined using characters of the ASCII character set. Comments begin with the # character (ASCII code 35), for example, and allowed whitespace characters ... they may contain any characters other than the 36 | Chapter 2: The Structure and Execution of Ruby Programs CHAPTER 1 Introduction 1 This documentation displayed by ri is extracted from specially...

Ngày tải lên: 05/03/2014, 22:21

... use the command “in action.” These examples can be copied to the clipboard and pasted into the main command console so you can see what they do. Sometimes these examples can be a bit tricky ... end the command with parentheses. This command brings up a window allowing you to select your location and then displays the list of available packages from the CRAN system. You can select these ... select these packages by clicking each one you want. They remain selected until you click them again, as shown in Figure1-25. Once you have selected what you want, click OK and the packages are...

Ngày tải lên: 16/03/2014, 00:20

Ngày tải lên: 19/03/2014, 14:11

Ngày tải lên: 28/03/2014, 09:20