the ruby programming document

... (3+2)+1 The first line passes the value 5 to the function f and then adds 1 to the result. Since the second line has a space after the function name, Ruby assumes that the parentheses around the ... variable, then the RubyGems library will be loaded on every invocation of Ruby. The rubygems module is part of the standard library in Ruby 1.9, but it is no longer required to load gems. Ruby 1.9 ... end. If the Ruby code on a line is a syntactically complete statement, Ruby uses the newline as the statement terminator. If the statement is not complete, then Ruby continues parsing the statement...

Ngày tải lên: 05/03/2014, 22:21

... Chapter 5. The story is different for arrays. When the name of an array is used as an argument, the value passed to the function is the location or address of the beginning of the array - there is ... or equal to upper), the body of the loop (the three statements enclosed in braces) is executed. Then the condition is re-tested, and if true, the body is executed again. When the test becomes false ... consistently. Most of the work gets done in the body of the loop. The Celsius temperature is computed and assigned to the variable celsius by the statement celsius = 5 * (fahr-32) / 9; The reason for...

Ngày tải lên: 16/08/2012, 11:09

... putchar(c); } The while gets a character, assigns it to c, and then tests whether the character was the end-of-file signal. If it was not, the body of the while is executed, printing the character. The ... and other functions. The sequence \n in the string is C notation for the newline character, which when printed advances the output to the left margin on the next line. If you leave out the \n ... to curb.) The parentheses around the assignment, within the condition are necessary. The precedence of != is higher than that of =, which means that in the absence of parentheses the relational...

Ngày tải lên: 14/11/2012, 17:10

... least you know the code on your end is consistent. At the moment there’s a lot more non-generic code out there then there is generic code, and there will inevitably be situations where they have to ... section 5. You also need to ensure that the revised API retains binary compatibility with old clients. This implies that the erasure of the API must be the same as the original, ungenerified API. In ... the first type mentioned in the bound is used as the erasure of the type variable. 21 8 Class Literals as Run-time Type Tokens One of the changes in JDK 1.5 is that the class java.lang.Class is...

Ngày tải lên: 26/10/2013, 18:15

Ngày tải lên: 29/10/2013, 00:48

... from the location required by the credit, in which event the date of the notation will be deemed to be the date of shipment whether or not the date is before or after the issuance date of the document. ... at the signature line provided the transport document appears to be signed by the carrier or an agent on behalf of the carrier, if the carrier is otherwise identified as the “carrier” on the ... signing, unless the carrier has been identified elsewhere on the multimodal transport document. b. If the master (captain) signs the multimodal transport document, the signature of the master (captain)...

Ngày tải lên: 09/12/2013, 22:15

... Books Online. Figure 1.9 shows the SQL Server documentation home page. Figure 1.9: SQL Server documentation home page You can browse the online books using the Contents tab, and you can search ... using the Index and Search tabs. Figure 1.10 shows some of the information for the SELECT statement, which is located in the Transact-SQL reference book. Figure 1.10: SELECT examples documentation ... Using the SQL Server Documentation SQL Server also comes with extensive electronic documentation. To access this documentation, you select Start ➣ Programs...

Ngày tải lên: 24/12/2013, 01:17

... object code. The object code must then be linked to produce the final binary. At first glance, this is very similar to C, where you also first run the compiler and then the linker. There are a number ... and an error. The integer is the number of variadic arguments passed to it, and the error code is one of the values returned from the Printf() function from the fmt package. Note the syntax for ... 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 was written...

Ngày tải lên: 17/02/2014, 23:20

... 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 and ... , we can then look at each element individually. Each element has two name properties:  and . The  rep- resents the QName for the element. The  represents the simple form ... represents the URI of the request.  looks up the right type of request to create based on the URI scheme. In our case, the scheme is  or  (versus  or ). After the request...

Ngày tải lên: 21/02/2014, 06:20

... that specifies the attributes and modifiers of the class, the name of the class, the base class (if given), and the interfaces implemented by the class. The header is followed by the class body, ... from left to right, period. In the preceding example, x would be evaluated, then y, then z, then the multiplication would be performed, and then the addition. The evaluation of operand x happens ... the same object and, therefore, possible for operations on one vari- able to affect the object referenced by the other variable. With value types, the variables each have their own copy of the...

Ngày tải lên: 15/03/2014, 17:20

... on the main page of the site. The two most useful for beginners are the Documentation and Download sections. In the Documentation section (see Figure1-1) a Manuals link takes you to many documents ... see two values as the result: [1] 8.75 5.50 The rst (8.75) is the mean of the series of values and the second (5.50) is the trimmed mean, a way of knocking off extreme values. The nal example ... This brings up the main help pages in your default browser. Click the Packages link and then click the base link. Navigate your way down to the mean() command and look at the entry there. 3....

Ngày tải lên: 16/03/2014, 00:20

... Virtual Functions 37 The functions in the v vt tb bl l allow the object to be used correctly even when the size of the object and the layout of its data are unknown to the caller. All the caller needs ... standard input stream. The type of the right-hand operand of >> determines what input is accepted and is the target of the input opera- tion. The \ \n n character at the end of the output string ... Procedural Programming 23 2.3 Procedural Programming [tour.proc] The original programming paradigm is: Decide which procedures you want; use the best algorithms you can find. The focus is on the processing...

Ngày tải lên: 17/03/2014, 13:20

... origins of the UNIX system and the C programming language, and then consider the two key currents that led to the Linux system as it exists today: the GNU project and the development of the Linux kernel. One ... Generation 452 The Linux Programming inTerface A Linux and UNIX ® System Programming Handbook   The Linux Programming inTerface The Linux Programming Interface is the definitive ... form, the author must also allow any recipients the option of obtaining the modified source for no more than the cost of distribution. The first version of the GPL was released in 1989. The current...

Ngày tải lên: 19/03/2014, 13:43

Ngày tải lên: 28/03/2014, 09:20

Ngày tải lên: 29/03/2014, 19:00