O''''''''Reilly Network For Information About''''''''s Book part 121 pot

... APIs for things like presentation systems began to organize the interfaces into logical actions, called events, around objects, like windows and controls. 3. In 1980, the United States Department ... you'll lose everything you've gained. For these reasons, I love Ruby on Rails, and I'll talk more about it in Chapter 7. 1 .3. 3. Continuation Servers Java web developer...

Ngày tải lên: 07/07/2014, 08:20

... especially for inexperienced developers. The problem goes something like this. In C++, you specify interfaces to your methods, with other supporting information, in a header file, or .h file. For ... but it can lead to significant problems for the novice. Example 2-2 shows an example of multiple inheritance in action. A Werewolf is part Man and part Wolf. Problems arise when b...

Ngày tải lên: 07/07/2014, 08:20

... radical invention or departure. The community doesn't feel right. At times, it's too academic and too defensive. [*] Dave Thomas, Programming Ruby (Dallas: Pragmatic Bookshelf, 2005). ... http://blog.ianbicking.org/why-web-programming-matters-most.html. The biggest hurdle for Python is its lack of compelling reasons to move away from Java. Python really needs a killer app. In...

Ngày tải lên: 07/07/2014, 08:20

... such as adding custom methods at interesting pointsfor instance, before or after a method executes. In particular, you'll often see AOP for: Debugging or logging AOP lets you add debugging ... Weirich is a software consultant for Compuware. He has worked with real-time data systems for testing jet engines, networking software Why hasn't AOP taken off for Ruby? DHH...

Ngày tải lên: 07/07/2014, 08:20

... 9.2.2. Perl Perl is a very popular language for programmers who look for raw first-cut efficiency. Perl was quite popular for shell scripts, before simpler alternatives were available. In ... object- oriented code ever written. In truth, for the most part, in the mid- and late 1970s, we just didn't have the wisdom or the processing power for OOP yet, and we didn't ha...

Ngày tải lên: 07/07/2014, 08:20

... generic programming, library design, and the C++ Standard Library, this book is for you. Because the intended audience for the book is intermediate to advanced C++ programmers, there is little coverage ... with or arising out of the use of the information or programs contained herein. The publisher offers excellent discounts on this book when ordered in quantity for bulk pu...

Ngày tải lên: 07/07/2014, 08:20

... you for your continuous encouragement and support for my authoring goals. David Abrahams, thank you for supporting this effort and for helping out with reviewing. Matthew Wilson, thank you for ... Wilson, thank you for reviewing parts of this book and for being a good friend. Gary Powell, thank you for the excellent reviews and for your outstanding enthusiasm for t...

Ngày tải lên: 07/07/2014, 08:20

... across different compilers. Static_assert provides support for static assertions at namespace, class, and function scope. Detailed information is available in "Library 3: Utility." ... properties of parameterizing types or adjusting properties (for example, the cv- qualification [2] ) of those types. Type_traits offers compile-time information about Function Objects...

Ngày tải lên: 07/07/2014, 08:20

... release those resources for you, even in the face of exceptions. Avoiding common errors. Forgetting to call delete is the oldest mistake in the book (at least in this book) . A smart pointer ... member functions on the pointee works like for raw pointers, because of the overloaded operator->. Third, dereferencing scoped_ptr also works exactly like for raw pointers, thanks to...

Ngày tải lên: 07/07/2014, 08:20

... probably never be called. This is a potentially disastrous situation, so avoiding it is paramount. For class templates and functions, the risk is greater than for other types, because there's ... cases for overloading operator&. BOOST_STATIC_ASSERT Header: "boost/static_assert.hpp" Performing assertions at runtime is something that you probably do regular...

Ngày tải lên: 07/07/2014, 08:20

... is limiting its potential uses. When you define one operator from a set for your class, you should typically provide the remaining operators from that set to avoid surprises. Unfortunately, it ... the explicit naming of concepts that apply for different operations, such as addable for classes supporting operator+ and operator+=, shiftable for classes supporting operator<< a...

Ngày tải lên: 07/07/2014, 08:20

... to make the changes also for Colour and COLOUR, and for the plural form colours, the verb colourize, and so forth. Yet another use case for regular expressions is in formatting of text. Many ... Library. This is unfortunate, as there are numerous uses for regular expressions, and users are sometimes deterred from using C++ for writing applications that need support for regula...

Ngày tải lên: 07/07/2014, 08:20

... reg("(new)|(delete)"); There are two reasons for us to enclose the subexpressions in parentheses: one is that we must do so in order to form the two groups for our alternatives. The other reason ... tedious and error prone, and furthermore, these formats are typically exposed to changing requirements; before you know it, some variation of the format needs to be supported, a...

Ngày tải lên: 07/07/2014, 08:20

... Expressions A bad regular expression is one that doesn't conform with the rules that govern regexes. For example, if you happen to forget a closing parenthesis, there's no way the regular ... call the algorithm for_ each , and supply it with a function object to call with the result of dereferencing the iterator. Here's a function object that accepts any form of match...

Ngày tải lên: 07/07/2014, 08:20

... the search sequence for the basic methods -valueForKey: and - takeValueForKey:. to send a dynamic message each time you invoke the method. Objective-C provides a way for you to get a pointer ... have the receiver at hand (as in this example) you can use -methodFor: (for descendants of Object) or - methodForSelector: (for descendants of NSObject). If you don't have the receiver...

Ngày tải lên: 07/07/2014, 08:20