the c programming language ebook

... extern. In certain circumstances, the extern declaration can be omitted. If the definition of the external variable occurs in the source file before its use in a particular function, then there is ... 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, that is included ... 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...

Ngày tải lên: 14/11/2012, 17:10

Ngày tải lên: 29/10/2013, 00:48

... serialized. You can set the name of the collection, the name of elements within the collection, and the XML namespace associated with the collection. • : Allows you to set the names ... later, the Photo Service responds, letting us know of any issues or if the account creation was successful. For any issues, we need to notify the user. If the account creation was successful, ... 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

... 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 ... } If the program is stored in the file test.cs, when test.cs is compiled, the acme.dll assem- bly can be referenced using the compiler’s /r option: csc /r:acme.dll test.cs This creates an executable ... implements a computation or action that can be performed by an object or class. Static methods are accessed through the class. Instance methods are accessed through instances of the class. Methods...

Ngày tải lên: 15/03/2014, 17:20

... 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 ... r c c) { /* check for overflow and push c */ } c ch ha ar r S St 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...

Ngày tải lên: 17/03/2014, 13:20

... 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 c from the ... 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 ... 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

... } }; 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 ... } }; 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+ + ... event DecayProcessFunc^ Decay; }; Instead of invoking the delegate directly, we call the event in the client code using function- call syntax. The code that hooks up the event looks the same...

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. ... 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 ... 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 be interleaved; the...

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 ... legacy code. Calling legacy code from generic code is inherently dangerous; once you mix generic code with non-generic legacy code, all the safety guarantees that the generic 11 4 Wildcards Consider ... containsAll(Collection c) ; public boolean addAll(Collection c) ; } 20 the collection you pass in is indeed a Collection of Part. Of course, generics are tailor made for this: package com.mycompany.inventory; import...

Ngày tải lên: 26/10/2013, 18:15

... and cooking. www.it-ebooks.info ptg7913130 2 CHAPTER 1: Introducing Go by the MULTICS project, on the PDP-7 minicomputer that they had access to. When they wanted to port it to another system, they had to rewrite all of the code, which ... inheritance. If you call a method on an expression with a static type directly, then the methods on it are just syntactic sugar on function calls. They are statically looked up and called. The other ... 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...

Ngày tải lên: 17/02/2014, 23:20

... strict about encapsulation of its objects; there is no access to the internal state of an object from outside the object. Any such access must be mediated by an accessor method, such as the class ... 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 ... Ruby program. The chapters that follow cover Ruby from the bottom up: • Chapter 2 covers the lexical and syntactic structure of Ruby, including basic issues like character set, case sensitivity,...

Ngày tải lên: 05/03/2014, 22:21

... available packages from the CRAN system. You can 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 ... click OK and the packages are retrieved. Unlike Windowsor OS X the packages are source les and are “built” once they are downloaded. For all practical purposes, when you click OK the packages ... Manipulating Packages 20 Loading Packages 21 Windows-Speci c Package Commands 21 Macintosh-Speci c Package Commands 21 Removing or Unloading Packages 22 Summary 22 CHAPTER 2: STARTING OUT: BECOMING FAMILIAR...

Ngày tải lên: 16/03/2014, 00:20

Ngày tải lên: 28/03/2014, 09:20

Ngày tải lên: 27/06/2014, 08:20