I\'ve seen a lot of codes use a service-dao pattern , I don\'t know the origin of this pattern . It force the front layer call service, then delegates some of the 开发者_如何学Cservice task to dao.
When using this code (simplified for asking): var rows1开发者_如何学编程 = (from t1 in db.TABLE1
Most of the time I don\'t want to render a layout when the request comes from AJAX. To this end I\'ve been writing render :layout => !request.xhr? frequently in my controller actions.
目录抽筋，吃什么，吃什么，吃什么，吃什么，吃什么钙片，吃什么治疗面部抽筋，吃什么有益健康。身体的很多部位都有抽筋的情况，这种情况在腿部更为常见。相信很多人都有腿抽筋的问题，也就是肌肉自发收缩。出现这种
The latest version of rails installed on my mac is 3.0.0.beta gem list returns rails (3.0.0.beta, 2.3.5, 2.3.4, 2.3.2, 2.2.2, 1.2.6)
Using the q开发者_如何学编程uery expression style, the let clause can be easily written.My question is how to use the dot notation style to write a let clause. Essentially it\'s a Select (in most case
I asked a question here : When To Use IEquatable And Why about using IEquatable. From the msdn: The IEquatable(T) interface is used by generic collection obj开发者_如何学编程ects such as Dictionary(
Do you use table-of-contents for listing all the functions (and maybe variables) of a class in the beginning of big source code file? I know that alternative to that kind of listing would be to split
I\'m looking into exception handling in python and a blog post I read differentiated between trapping and handling an exception. Can someone explain the core difference between these two, both in pyth
My question\'s title should tell you what I am asking about. Is there any way to update my database from an entity model without losing the inserted content?
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