O''''''''Reilly Network For Information About''''''''s Book part 240 pot

... Enumerable Class Methods IO::foreach( path) {| x| } Opens the file and executes the block once for each line, closing the file when the block exits. n = 1 IO::foreach(path) {|line| print ... arrays of the IO objects for which there were changes in status is returned. nil is returned on timeout. IO::select([STDIN], nil, nil, 1.5) # wair data for STDIN for 1.5 sec Instance...

Ngày tải lên: 07/07/2014, 08:20

... permanent. For five years, it's been a good strategy to ignore the borders beyond Java, but no language will keep its leadership position forever. By now, the premise of this book should ... to developers very well. Companies like IBM dominated the infrastructure groups (called IT for information technology). Microsoft didn't care. It went straight to the lines of busine...

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

... This year will have four new Rails books and a strong publisher in the Pragmatic Bookshelf. Ruby doesn't have any political baggage that would turn away a potential commercial adopter. It's ... 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 ap...

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