Hibernate self-increment column save failed issue

Author:hiuCorrection: Today (2014-07-07) only discovered the problem, I put @id in the entity class ID, @Id is the primary key, should be set in the entity class Keyjobno, the previous article may mislead everyone, now correct, see the following red

I can't afford to boot the iPhone 5S board when the board is hot (recommended for repair)

Beijing feiwei Technology Co., Ltd. is specialized in iPad, MacBook, MacBook-Pro, MacBook-air, iBook,Professional integrated service companies such as PowerBook, G4, G5, Mac-mini iMac all-in-one, and EMAC iPod Touch player iPhone. With first-class

Build a Maven repository using nexus (local private server)

  When using Maven, Maven downloads the jar package that the project depends on by default in the central repository, to the local disk directory (if not configured, it is under the user directory /. m2/repository folder ). If a Maven private server

Project Server 2013 beginners (13) PWA security mode switch

Some people ask me why the Project Server 2013 they installed lacks many things, like SharePoint 2013, especially when assigning permissions to users. Next I will share with you how to solve this problem.1. Two Security modes of PWA   Projectserver 2

Intel motherboard USB 3.0 xhci controller port configuration

Generally, Intel has two EHCI and one xhci on the motherboard that supports USB 3.0 host controllers. This type of motherboard generally has 14 ports, and port 0-3 is shared by EHCI and xhci, that is, port 0-3 has four switches, and the control

Program code reading skills

I. Necessity of code reading Reading other people's code as a developer is a common task. One is reading others' code when learning a new programming language is the best learning method, and the other is accumulating programming experience. If you

Ansible @ an efficient configuration management tool-ansible configure management-translation (8)

If you do not have written authorization, do not repeat Chapter 4. Use of ansible in large projects RolesIf your playbooks start expanding beyond what includes can help you solve, or youstart gathering a large number of templates, you may want to

SharePoint 2010: Export user profile properties to a text file or Excel using powershell

Export to txt [void][System.Reflection.Assembly]::LoadWithPartialName("Microsoft.Office.Server") [void][System.Reflection.Assembly]::LoadWithPartialName("Microsoft.Office.Server.UserProfiles")

Poj 1965 the pilots brothers 'refrigerator search

The pilots brothers 'refrigerator Time limit:1000 ms   Memory limit:65536 K Total submissions:18222   Accepted:6936   Special Judge Description The game "the pilots brothers: Following the stripy elephant"

Is change management so difficult to implement?

When it organizations strive to improve efficiency and effectiveness, they must reduce unplanned feedback while improving the quality of commercial IT services. The pressure from management is so great that it predecessors are helpless in the face

Servlet Study Notes (9)-File Download

I. File Download Overview For static resources such as slice or HTML, you can download them by opening the correct URL in the browser. The Servlet/JSP Container sends the resource to the browser as long as the resource is placed in the application

[Project Management] How PM assigns tasks to team members (reproduced)

Author's original article, original source please visit: http://blog.csdn.net/yihui823/article/details/6778351 Remember to be PM for the first time. That was the project that took over. The original PM took over another important project after the

Recommended for Microsoft jobs-principal Dev manager for Bing Client

Microsoft's recent open positions: Title: Principal Dev manager for Bing Client GROUP: Search Technology Center Asia, Bing Work Location: Beijing/Suzhou, China Group Overview Search Technology Center Asia (stca) Stca was founded in year 2005 and

What are JDK and JRE? What is the purpose? (Post)

What are JDK and JRE? What is the purpose? (Post) Article category: Java programming You must choose whether to install a separate JRE when installing JDK. It is usually installed together. I also recommend that you do this.This helps you better

Understanding metadata and IL (medium) <Article 4>

[24th back: Understanding metadata and IL (I)], we have made necessary preparations for the relationship between these concepts and metadata and IL in PE files, assembly, and hosting modules, at the same time, I am familiar with the basic method

Exchange server2013 Series 7: high availability deployment of Client Access Servers

Exchange server2013 Series 7: high availability deployment of Client Access Servers Du Fei In the previous article, we introduced the High Availability Technology of client access servers. From this article, we will look at a detailed high

Introduction to Git-Repo-Gerrit-1-Git, installation and configuration

Git Introduction Git is a distributed version control system. The GIT client does not only extract the latest file snapshot, but completely mirrors the code repository. In this way, any server that works collaboratively can be recovered from a local

[Switch] KVM virtio paravirtualized drivers: Why they matter

Http://www.ilsistemista.net/index.php/virtualization/42-kvm-virtio-paravirtualized-drivers-why-they-matter.html? Limitstart = 0 As you probably already know, there are basically two different schools in the specified aliztion CHAMP: The

The directfb backend has been removed from GTK + 2.90.6 to 2.90.7

From GTK +-2.90.7 configure -- help we can see: --with-gdktarget=[x11/win32/quartz] select non-default GDK target There is no directfb in the gdktarget as in GTK +-2.90.6: --with-gdktarget=[x11/win32/quartz/directfb] select non-default GDK target We

Use XPath to parse XML files with xmlns

In. net, the Program for writing and reading XML prompts "the instance of the object has not been referenced", it was a bit strange at the time. why do we need to instantiate an object when reading XML data. google knows that xmlns is added to the

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