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What is Persistence Context?
...g/hibernate/entitymanager/3.5/reference/en/html/architecture.html
In Java EE, a persistence context is normally accessed via an EntityManager.
http://docs.oracle.com/javaee/6/api/javax/persistence/EntityManager.html
The various states an entity can have and the transitions between these are descr...
Is the buildSessionFactory() Configuration method deprecated in Hibernate
...
Yes, it seems ServiceRegistryBuilder is itself deprecated, looking at the documentation, they suggest using StandardServiceRegistryBuilder instead. So I guess the call should now be new StandardRegistryBuilder().applySettings(configu...
刘强东“一元年薪”背后的O2O棋局 - 资讯 - 清泛网 - 专注C/C++及内核技术
...东将持有永辉超市10%的股份。并拥有提名永辉两名董事(包括一名
独立董事)的权利。双方将主要通过联合采购的方式，加强供应链管理能力，并会继续探索O2O等领域战略合作的发展机遇。
唐兴通认为，入股永辉超市是京东从物...
Eclipse add Tomcat 7 blank server name
... Eclipse. I had exactly the same problem, also on Ubuntu with Eclipse Java EE Juno.
Here is the workaround that worked for me:
Close Eclipse
In {workspace-directory}/.metadata/.plugins/org.eclipse.core.runtime/.settings delete the following two files:
org.eclipse.wst.server.core.prefs
org.eclips...
File changed listener in Java
I'd like to be notified when a file has been changed in the file system. I have found nothing but a thread that polls the lastModified File property and clearly this solution is not optimal.
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Most lightweight way to create a random string and a random hexadecimal number
... print it out. Obvious when pointed out. Nice one.
– eemz
May 6 '10 at 17:50
Interesting, I kind of forgot that Python...
“webxml attribute is required” error in Maven
... I just updated the maven war plugin from 2.1.1 to 2.4, and the need to make explicit the default location wen away.
– xverges
May 22 '14 at 13:59
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Linux 进程卡住了怎么办？ - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...程状态显示为 D。
man ps 中描述 D 状态是 Uninterruptible Sleep。
Linux 进程有两种睡眠状态：
Interruptible Sleep，可中断睡眠，在 ps 命令中显示 S。处在这种睡眠状态的进程是可以通过给它发送信号来唤醒的。
Uninterruptible Sleep，不...
How to get HTTP Response Code using Selenium WebDriver
... a word, no. It's not possible using the Selenium WebDriver API. This has been discussed ad nauseam in the issue tracker for the project, and the feature will not be added to the API.
share
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improv...
Read binary file as string in Ruby
I need an easy way to take a tar file and convert it into a string (and vice versa). Is there a way to do this in Ruby? My best attempt was this:
...