c programming for the absolute beginner

... that the gcc-core: C Compiler component is not selected by default To select this component, click the plus sign (+) next to the Devel category and scroll down until you find the gcc-core: C Compiler ... compile /* C Programming for the Absolute Beginner The next line of code also will not compile because comment character sets have been incorrectly ordered */ C Programming for the Absolute Beginner ... by the compiler because it is surrounded with the character sets /* and */ /* C Programming for the Absolute Beginner */ The character set /* signifies the beginning of a comment block; the character...

Ngày tải lên: 05/08/2014, 09:45

... through the ASCII (American Standard Code for Information Interchange) character set For a listing of common ASCII character codes, see Appendix D, “Common ASCII Character Codes.” ASCII ASCII or ... character codes For example, the character code 90 represents the letter Z Note that the letter Z is not the same as the character code 122, which represents the letter z (lowercase letter z) Characters ... information You can accomplish this seemingly difficult task using character sets known as conversion specifiers Conversion specifiers are comprised of two characters: The first character is the...

Ngày tải lên: 05/08/2014, 09:45

... off\n"); } The placement of each brace is only important in that they begin and end the statement blocks For example, I can change the placement of braces in the preceding code without affecting the ... because the ASCII value for uppercase letter A is not the same as the ASCII value for lowercase letter a (To see a listing of common ASCII characters, visit Appendix D, “Common ASCII Character ... This bug occurred because after the appropriate case statement is matched to the switch variable, the switch structure continues processing each case statement thereafter Chapter • Conditions...

Ngày tải lên: 05/08/2014, 09:45

... to call operating system commands such as the UNIX clear command 108 C Programming for the Absolute Beginner, Second Edition Challenges Create a counting program that counts from to 100 in increments ... for the Absolute Beginner, Second Edition SYSTEM CALLS Many programming languages provide at least one utility function for accessing operating system commands C provides one such function, called ... C, these components are known as functions, which are at the heart of this chapter In this section I will give you background on 110 C Programming for the Absolute Beginner, Second Edition common...

Ngày tải lên: 05/08/2014, 09:45

... function calls printReportHeader; printReportHeader(); //Incorrect function call //Correct function call The first function call will not cause a compile error but will fail to execute the function ... from the keyboard Prints data to the computer monitor Tests for decimal digit characters Tests for lowercase letters Tests for uppercase letters Converts character to lowercase Converts character ... function, and lose their scope each time the function is executed 130 C Programming for the Absolute Beginner, Second Edition • Locally scoped variables can be reused in other functions without...

Ngày tải lên: 05/08/2014, 09:45

... more common definitions in this section before continuing 172 C Programming for the Absolute Beginner, Second Edition • Cryptography The art and science of protecting or obscuring messages • Cipher ... use the indirection operator (*), which tells C that I want to access the contents of the memory location contained in the pointer variable Specifically, I increment the original variable contents ... specialist who practices encrypting or protecting messages • Encryption The process by which clear text is converted into cipher text • Decryption The process of converting cipher text into clear text;...

Ngày tải lên: 05/08/2014, 09:45

... allocate enough room for the NULL character because many C library functions look for the NULL character when processing character arrays If the NULL character is not found, some C library functions ... the exclamation mark (!) is greater than the letter A To differentiate between characters, computer systems rely on character codes such as the ASCII character-coding system Using character-coding ... lowercase and uppercase, respectively • The strcpy() function copies the contents of one string into another string • The strcat() function concatenates or glues one string to another • The strcmp()...

Ngày tải lên: 05/08/2014, 09:45

... concept for dissecting chunks of memory CALLOC() AND REALLOC() Another memory allocating tool is the C standard library function calloc() Like the malloc() function, the calloc() function ... resources, such as RAM and virtual memory Specifically, this chapter covers the following topics: • Memory concepts continued • sizeof • malloc() • calloc() • realloc() MEMORY CONCEPTS CONTINUED ... This chapter is dedicated to discussing dynamic memory concepts, such as allocating, reallocating, and freeing memory using the functions malloc(), calloc(), realloc(), and free() This section...

Ngày tải lên: 05/08/2014, 09:45

... and concepts such as symbolic constants, macros, function headers, and definition files Specifically, this chapter covers the following topics: • Introduction to the C preprocessor • Symbolic constants ... the gcc program performs the following actions to create an executable file 272 C Programming for the Absolute Beginner, Second Edition Preprocesses program code and looks for various directives ... supplying to the second argu- ment a series of type specifiers for each field in the record For example, the next fscanf() function expects to read two character strings called name and hobby Chapter...

Ngày tải lên: 05/08/2014, 09:45

... ) function, 35–36 / character sequence, 17 character strings, 234, 254 character variables, 30 characters, 30–31, 186 checkForWin( ) function, 145 child components, 248 chmod command, 287 cipher ... explains to the preprocessor what the macro will The preprocessor does not perform the macro’s calculation Instead, it replaces any reference to the name AREA in source files with the macro’s definition ... which the macro is defined? Remember, the preprocessor replaces text with references to #define preprocessor directives; when it attempts to replace the RESULT reference, the source code for the...

Ngày tải lên: 05/08/2014, 09:45

... to consider is the checkbox Checkboxes usually look like, well, boxes that can be checked Usually there is some kind of text near the checkbox The box can be checked or not checked Here's the code ... "http://www.google.com/search?q =programming for the absolute beginner" > Google search for "programming absolute beginner" TRAP There's a down side to this approach The owner of the program can change the ... the caption next to the checkbox is plain html text Each checkbox is a completely independent entity Even though several checkboxes appear together in the HTML document, the value of one checkbox...

Ngày tải lên: 24/08/2013, 11:47

... information that is not commonly known or otherwise documented in the general reference material for the subject or the Help files that accompany the software IN THE R EAL W ORLD These special ... components placed on your computer during the installation process described in the preceding section FIGURE 1.5 The Inetpub folder is the central storage location for all the Web pages you create ... functionality, compared to the html version Aside from the obvious differences in appearance, there are some critical differences between ABC.html and ABC.asp: TE ASP Programming for the Absolute Beginner...

Ngày tải lên: 26/01/2014, 15:20

... complex conditional structures JavaScript Programming for the Absolute Beginner 22 The Project: The Fortune Teller Figure 2.1 shows the Fortune Teller program, which generates a random fortune for the ... JavaScript Programming for the Absolute Beginner The // characters denote a comment The interpreter ignores anything that follows on a line that begins with these characters However, the information ... don’t actually deal with the food until lunch, because it’s easier to work with the container than the actual food (that is, you would rather carry the sack containing the food than carry the various...

Ngày tải lên: 14/03/2014, 23:20

... information that is not commonly known or otherwise documented in the general reference material for the subject or the Help files that accompany the software IN THE R EAL W ORLD These special ... components placed on your computer during the installation process described in the preceding section FIGURE 1.5 The Inetpub folder is the central storage location for all the Web pages you create ... functionality, compared to the html version Aside from the obvious differences in appearance, there are some critical differences between ABC.html and ABC.asp: TE ASP Programming for the Absolute Beginner...

Ngày tải lên: 18/03/2014, 00:20

... include AppleScript Studio Programming for the Absolute Beginner, Microsoft Windows PowerShell Programming for the Absolute Beginner, Microsoft Visual Basic 2005 Express Edition Programming for ... the Absolute Beginner, Microsoft VBScript Professional Projects, Microsoft Windows Shell Scripting and WSH Administrator’s Guide, Microsoft Windows Shell Script Programming for the Absolute Beginner, ... web applications Ajax Programming for the Absolute Beginner PROJECT PREVIEW: THE JOKE OF THE DAY APPLICATION In this chapter and in each of the chapters that follow, you will learn how to create...

Ngày tải lên: 27/03/2014, 13:41

... {background-color: #ccccff; font-weight: bold; color: #000000;} h {background-color: #9999cc; font-weight: bold; color: #000000;} v {background-color: #cccccc; color: #000000;} vr {background-color: ... vr {background-color: #cccccc; text-align: right; color: #000000;} img {float: right; border: 0px;} hr {width: 600px; background-color: #cccccc; border: 0px; height: 1px; color: #000000;} ... investigate the current security settings of your server Figure 1.4 shows this in process FIGURE 1.4 Checking the security of the server 10 PHP 6/MySQL Programming for the Absolute Beginner You can...

Ngày tải lên: 05/04/2014, 19:37

... of the Colorful Header project TE Microsoft Excel VBA Programming for the Absolute Beginner 18 As you can see, the following code was placed in the Click() event procedure of the cmdInsertHeading ... selecting all the cells in a worksheet and then changing the fill color from the formatting toolbar in the Excel application The color of the cells is chosen randomly and will change with each click ... each click of the Command Button control because the above code will run once with each click event So the entire procedure now looks like the following: Private Sub cmdColorChange_Click() Cells.Interior.ColorIndex...

Ngày tải lên: 17/04/2014, 09:17

... shell for processing By default, the command prompt appears in the form of a drive letter followed by a colon, the backslash character, and then the greater than character (for example, C: \>) Chapter ... about VBA and Microsoft Access, check out Microsoft Access VBA Programming for the Absolute Beginner, by Michael Vine How Do Visual Basic and VBA Compare to VBScript? Like VBA, VBScript represents ... http://msdn.microsoft.com/scripting in the URL field, and then click Go The MSDN Scripting Web site appears Click on the Downloads link The Microsoft Windows Script Downloads page appears Click on the Microsoft...

Ngày tải lên: 27/06/2014, 12:20

... to consider is the checkbox Checkboxes usually look like, well, boxes that can be checked Usually there is some kind of text near the checkbox The box can be checked or not checked Here's the code ... the caption next to the checkbox is plain html text Each checkbox is a completely independent entity Even though several checkboxes appear together in the HTML document, the value of one checkbox ... used to create the checkboxes in the selectForm.html page: cholesto-burger fries

Ngày tải lên: 28/06/2014, 14:20