大约有 16,500 项符合查询结果（耗时：0.0339秒） [XML]
ActiveRecord: size vs count
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Are multiple `.gitignore`s frowned on?
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How can I push a local Git branch to a remote with a different name easily?
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Preventing Laravel adding multiple records to a pivot table
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How to implement the factory method pattern in C++ correctly
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You can read a very good solution in: http://www.codeproject.com/Articles/363338/Factory-Pattern-in-Cplusplus
The best solution is on the "comments and discussions", see the "No need for static Create methods".
From this idea, I've done a factory. Note that I'm using ...
How to return smart pointers (shared_ptr), by reference or by value?
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What's the difference between hard and soft floating point numbers?
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@RequestBody and @ResponseBody annotations in Spring
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When should I use GC.SuppressFinalize()?
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When do Java generics require
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First - I have to direct you to http://www.angelikalanger.com/GenericsFAQ/JavaGenericsFAQ.html -- she does an amazing job.
The basic idea is that you use
<T extends SomeClass>
when the actual parameter can be SomeClass or any subtype of it.
In your exam...