r programming language online course

Ngày tải lên: 16/03/2014, 00:20

Ngày tải lên: 28/03/2014, 09:20

... %c for character, %s for character string and %% for itself. Exercise 1-3. Modify the temperature conversion program to print a heading above the table. Exercise 1-4. Write a program to print ... point numbers of several sizes. In addition, there is a hierarchy of derived data types created with pointers, arrays, structures and unions. Expressions are formed from operators and operands; ... often more efficient. There is a corresponding operator to decrement by 1. The operators ++ and can be either prefix operators (++nc) or postfix operators (nc++); these two forms have different...

Ngày tải lên: 14/11/2012, 17:10

... error generates when you click the Click Me button. cannot find driver This error means the DriverManager looked for the JDBC driver in the directory where the applet HTML and class files are ... directory where the ExampleProgram class is so the compiler and interpreter commands can find it. See Java 2 SDK Tools for more information. Interpreting and Running the Program Once your program successfully ... can interpret and run applications on any Java VM, or interpret and run applets in any Web browser with a Java VM built in such as Netscape or Internet Explorer. Interpreting and running a Java program...

Ngày tải lên: 06/08/2013, 17:39

... Size Optional/Required Band Title VARCHAR 50 Required Music Type Title VARCHAR 25 Required Record Company Title VARCHAR 25 Required Band Members VARCHAR 200 Required Albums VARCHAR 500 Optional Table ... 22 There are three other normalization rules that aren’t covered here. Generally, if your tables are in Third Normal Form, they probably conform to the other rules. To fully optimize your tables, ... Several rules have been established for the normalization of data. These rules are referred to as normalization forms. The first three normalization forms are: ¼ First Normal Form (FNF): This rule...

Ngày tải lên: 18/10/2013, 17:15

... string s1 where any character from the string s2 occurs, or -1 if s1 contains no characters from s2 . (The standard library function strpbrk does the same job but returns a pointer ... are important for writing bigger programs. These include pointers, structures, most of C's rich set of operators, several control- flow statements, and the standard library. This approach ... newline character. It is the responsibility of the library to make each input or output stream confirm this model; the C programmer using the library need not worry about how lines are represented...

Ngày tải lên: 20/10/2013, 17:15

... constructor. That comparator will be used to sort the elements TreeSet according to a desired ordering. TreeSet(Comparator<E> c) The Comparator interface is essentially: interface Comparator<T> ... static void addRegistry(Map<String, ? extends Person> registry) { } } Map<String, Driver> allDrivers = ; Census.addRegistry(allDrivers); 5 Generic Methods Consider writing a method ... practice, but expert library designers should be prepared to think very carefully when converting existing APIs. Another issue to watch out for is covariant returns, that is, refining the return...

Ngày tải lên: 26/10/2013, 18:15

Ngày tải lên: 29/10/2013, 00:48

... you force programmers who need this information to parse the string. Besides reducing performance and making unnecessary work for programmers, this process is error prone and results in fragile ... which a programmer accesses a class, interface, or package. (The term API, which is short for application programming interface, is used in preference to the otherwise preferable term interface ... Java: Programming Language Guide 40 the original will destroy the invariants in the clone and vice versa. You will quickly find that your program produces nonsensical results or throws ArrayIndexOutOfBoundsException ....

Ngày tải lên: 12/12/2013, 21:16

Ngày tải lên: 23/12/2013, 15:44

... Figure 13-4 . Figure 13-4. 2-to-1 Multiplexer { io_printf("Hello Verilog World\n"); } The hello_verilog routine is fairly straightforward. The io_printf is a PLI library routine ... module. All sets are interconnected. The connections between the sets are bidirectional. The entire internal representation can be traversed by using PLI library routines to obtain information about ... module. PLI library routines are discussed later in the chapter. To illustrate the internal data representation, consider the example of a simple 2-to-1 multiplexer whose gate level circuit is shown...

Ngày tải lên: 24/12/2013, 11:17

... effort on the part of the programmer. C++ destructors are also used to reclaim other nonmemory resources. In the Java programming language, the try-finally block is generally used for this purpose. ... Avoid strings where other types are more appropriate 114 Item 33: Beware the performance of string concatenation 116 Item 34: Refer to objects by their interfaces 117 Item 35: Prefer interfaces ... libraries, java.lang, java.util, and, to a lesser extent, java.io. The book discusses other libraries from time to time, but it does not cover graphical user interface programming or enterprise...

Ngày tải lên: 16/01/2014, 20:20

... with either or both. D.3 Other Sites n http://developer.intel.com provides information about Intel processor archi- tectures, including the x86 (IA32) architecture. If you are developing for x86 Linux ... contribute to the development of the GNU/Linux system by writing code or documentation, by using free soft- ware, and by spreading the free software message. n http://www.kernel.org is the primary ... 304 Appendix D Online Resources D.2 Information About GNU/Linux Software n http://www.gnu.org is the home of the GNU Project. From this site, you can download a staggering array of sophisticated free software...

Ngày tải lên: 21/01/2014, 07:20

... PLI Library Routines PLI library routines provide a standard interface to the internal data representation of the design. The user-defined C routines for user-defined system tasks are written ... Example /*Consumer routine. Called whenever any monitored net changes*/ display_net(vc_record) p_vc_record vc_record; /*Structure p_vc_record predefined in acc_user.h*/ { /*Print time, name, ... PLI library routine. There are two broad classes of PLI library routines: access routines and utility routines. (Note that vpi_ routines are a superset of access and utility routines and are not...

Ngày tải lên: 21/01/2014, 17:20

... either finds a match or encounters a zero keyword pointer: lookup(str) /* search for str in keyword[ ] */ char *str; { int i,j ,r; for( i=0; keyword[i] != 0; i++) { for( j=0; (r= keyword[i][j]) ... data structure or an unusual set of loops or conditionals. Sometimes they require special combinations that are rare or at least rarely encountered. It usually requires careful problem description ... University in the year 1997. Except the year 2000, our country hosted this contest each year and our invaluable programmers have participated the world final every year from 1997. Our performance...

Ngày tải lên: 17/02/2014, 15:20

... several important features of Go. This is a variadic function, which returns multiple values: an integer and an error. The integer is the number of variadic arguments passed to it, and the error ... iota predeclared identifier is similar to the GNU C __COUNTER__ preprocessor macro, but it’s more powerful. It is an integer constant expression. In a normal program scope, it evaluates to zero, ... and a programming language designed for single- processor systems requires significant effort to use effectively. It is increasingly hard for a compiler to generate machine code from C sources that...

Ngày tải lên: 17/02/2014, 23:20

... uproar, the Board reversed course and reinstated her. Still, the school announced within a week of her return that it was joining Coursera—a privately held, online instructional delivery firm. ... boards of eight international technology journals and serves on advisory boards for three Internet start-ups, presented a parallel argument. “There is already increasing pressure on universities ... for many, and this requires face-to-face activities.” An anonymous respondent wrote, “You won't get an undergraduate degree from Berkeley or Stanford or Harvard or Yale from your parents'...

Ngày tải lên: 18/02/2014, 00:20

Ngày tải lên: 21/02/2014, 06:20