hibernate get VS load 1. 执行get方法:会立即加载对象 而执行load方法,若不适用该对象,则不会立即执行查询操作,而返回一个代理对象 get立即检索,load延迟检索 2. load方法可能抛出懒加载异常:LazyInitializationException 在需要初始化代理对象之前,已经关闭了Session 3. 若数据库表中没有数据,且Session也没有被关闭,同时需要使用对象时 get:返回null load:若不使用该对象...
sessionFactory.getCurrentSession()可以完成一系列的工作,当调用时,hibernate将session绑定到当前线程,事务结束后,hibernate将session从当前线程中释放,并且关闭session,当再次调用getCurrentSession()时,将得到一个新的session,并重新开始这一系列工作。 示例代码如下: ... Session session = HibernateUtil.getSessionFactor...
这意味着请求的URI不正确，我的意思是没有找到此'studentsystem2/students'
Hibernate:insertintoNomination(id,competition_id,name)values(default,?,?) ThegetReference()is an excellent choice where we don’t need to load the entity and only need the entity reference with the primary idfield set to it. This helps in situations where weneed the entity just for setting ...
vs nuget 本地安装 nupkg包,Install-Packagefluentnhibernate -SourceC:\Users\Alex\AppData\Local\NuGet\Cache\包名路径
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D3D12 - DXIL Core Test - Compute pipeline - Raw Buffer Load Store Test - int16_t D3D12 - DXIL Core Test - Compute pipeline - Raw Buffer Load Store Test - int32_t D3D12 - DXIL Core Test - Compute pipeline - Raw Buffer Load Store Test - int64_t D3D12 - DXIL Core Test - Count...
ENVI将16位的图像转换为8位 1.使用ENVI Classic(32bit) 2.Files→Open Image File→Load Band 3.Files→Save Image As→Image File 4.选择参数,点击ok...HTML Tidy 将HTML转换为XHTML的开源工具 基本信息 软件名称:HTML Tidy 开发者主页:tidy.sourceforge.net 软件大小:112K 安装环境:有多平台版本,本站提...
sys) failed to load. Dissolve and rebuild Hyper-V Cluster DNS Name Lookup Failure when starting a VM? Do I need to use Sysprep to clone VMs on my personal lab? Does chkdsk /r for VHDs make sense? Does the Hyper-V Virtual Switch support IGMP snooping (Multicast)? Download location of...
Button click event not firing in .ascx file Button click event should be fired when user enter recaptcha code Button click hits page load before click handler Button click is not working with enter key Button click opening grid view Button Control Not Firing in first Click Button focus problem...