download the latest vim (vim-7.1.293) source code (see
http://www.vim.org/download.php), and compiled it:
cd vim7
./configure --with-features=huge
make
make install
reference: http://soyunperdedor.com/node/24
persist() is well defined. It makes a transient instance persistent. However, it doesn't guarantee that the identifier value will be assigned to the persistent instance immediately, the assignment might happen at flush time. The spec doesn't say that, which is the problem I have with persist().
per ...
模型如下：
@Entity
public class User extends BaseEntry{
private String name;
private int age;
@OneToMany(mappedBy = "user", cascade=CascadeType.ALL)
private Set<Article> articles = new HashSet<Article>();
.......
}
@Entity
public class Article extends B ...
:delete_all is much faster than :destroy_all, it doesn't trigger any destroy callbacks on the associated object.
:destroy_all iteratively call the associated objects's destroy method
Notice that the second time I invoke the association via user, the object_id remains the same. The related object has been cached. However, passing true to the accessor reloads the relationship and I get a new instance.
>> ts = Timesheet.find :first
=> #<Timesheet:0x3454554 @attributes={“updated ...
1. << is transactional, create is not
2. << method triggers the :before_add and :after_add callbacks, but the create method does not
3. << method returns operation_success ? association_proxy : false, while the create method returns the new instance created.
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又一个DynamicDao
呵呵，老大你写的东东，不错。我学习了（刚刚一新手哈!） 不过，要是再写一点注释就 ...
-- by heshencao -
又一个DynamicDao
实现Query Annotation的主要代码如下: public class ...
-- by studyworks -
又一个DynamicDao
Norther 写道 没看出来dynamic在哪？就是自己实现了一套Crite ...
-- by studyworks -
又一个DynamicDao
没看出来dynamic在哪？就是自己实现了一套Criteria，而且Generi ...
-- by Norther
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