O''''''''Reilly Network For Information About''''''''s Book part 2 docx

... take Java for granted just like we take CPUs for granted: it's necessary. It was once the place where all the money was; now it's more of a commodity. 1 .2. 2. 1 .2. 2.1. Complexity ... this higher river of complexity will flood, forcing us to adopt a new abstraction, sooner rather than later. 1 .2. 2 .2. Rapid revolution 1 .2. Boiling Frogs Let's look...

Ngày tải lên: 07/07/2014, 08:20

... seems like a natural place for that to form. 5.3 .2. Economics While open source frameworks usually lend a certain intellectual honesty to a project, commercial forces will have the deciding ... schemas, as they exist. Forcing a surrogate unique identifier rather than a composite primary key also ignores existing realities. Perform, and scale High database performance is the single ....

Ngày tải lên: 07/07/2014, 08:20

... it a symbol for the Locations class. This method will fire more metaprogramming code that actually adds the properties and methods to your code that will manage the relationships for you. Next, ... in, between the <% and %> tags. First, you'll need to make sure the view has all the information it needs. You'll do this in the edit method, in the controller. Change t...

Ngày tải lên: 07/07/2014, 08:20

... higher-level components. For example, you could take this code: checkoutAddress.showForm( ); if(checkoutAddress.getSeparateBilling) checkoutBilling.showForm( ); creditCardNumber.showForm( ); and ... before you could answer.  To optimize things, you'd have to decide how much information you should keep close bysay, in your briefcaseversus at home, in your filing cabinets....

Ngày tải lên: 07/07/2014, 08:20

... and dialects for all major operating systems. If something challenges Java soon, I think Ruby is the most likely candidate. 9.1 .2. Python If ever you are looking for a test case for the requirement ... have common code for the framework. Only the last part of the call stack should be different from one continuation to the next. Partial continuations should provide a good perf...

Ngày tải lên: 07/07/2014, 08:20

... shared_ptr a general class for handling resource management, rather than "just" handling dynamically allocated objects. There is a small overhead in size for shared_ptr compared to ... use a free function as a factory for shared_ptr<A> here, because the nested deleter class is private to A. Using this scheme, it isn't possible for users to create As on the sta...

Ngày tải lên: 07/07/2014, 08:20

... sample file: This is sample eRuby file<br> The current time here is Wed Aug 29 18:54:45 JST 20 01. 1 2 3 There are two eRuby implementations: eruby The original implementation of eRuby. ... available from http://www2a.biglobe.ne.jp/~seki/ruby/erb-1.3.3.tar.gz; The version number may be changed in the future. Unfortunately, the supporting page http://www2a.biglobe.ne.jp/~sek...

Ngày tải lên: 07/07/2014, 08:20

... fulfilled for any class to work with Enabling Classes for Use with lexical_cast Because lexical_cast only requires that operator<< and operator>> be suitably defined for the types ... rewarding. When to use lexical_cast:  For conversions from string types to numeric types  For conversions from numeric types to string types  For all lexical conversions that...

Ngày tải lên: 07/07/2014, 08:20

... manually, it's easy to forget one of the overloads for taking one const simple_string& and one const char*. When using the Operators library, you can't forget, because the library ... boost::addable<simple_string, boost::addable2<simple_string,const char*> > { This is all that's needed for supporting the full set of operators that we aimed for! As you...

Ngày tải lên: 07/07/2014, 08:20

... together to form new concepts. The Things That Remain We haven't yet spoken about the remaining part of the Operators library, the iterator helpers. I won't show example code for those, ... between types, or for numeric types, this is always the case, but for other template <typename T> struct selector { template <typename U> struct type { typedef less_th...

Ngày tải lên: 07/07/2014, 08:20