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When integrating the three SSH frameworks, Hibernate can control the relationship between tables. However, the configuration is slightly neglected and prone to errors. The following code is used. I didn't set the foreign key relationship in the database, but wanted to control it through hibernate. There were two tables, column table (LM) and Course table (KC). They were multi-to-one. Therefore, in the LM pojo class, set public class lm implements java. Io. serializable {// column ID private int

Emacs org-mode Chinese and English font settings table of Contents 1. Problems with default fonts 2. Workaround 2.1. Environmental statement 2.2. Ideas and methods 2.3. Emacs Setup Code 2.4. Display effect 1Problems with default fontshas been looking for a way to take note of the software, recently found Org-mode, after the trial feel really very useful.H

why org 07c00h? A lot of people are asking questions about this line after they read the book, "write their own operating system" or their second edition. This question is explained in the book by the author: Tell the compiler that in the future our program will be loaded into the 07c00 for execution. To tell the truth, "write your own operating system" this book is really good, I do not admire the author's level, but the author's perseverance, can p

. loadClassInternal (ClassLoader. java: 320) ... 20 more Problem: jboss jar package not introduced Solution: Introduce the jboss-common.jar package If an error is reported after the jboss-common.jar package is introduced Java. lang. NoClassDefFoundError: org/apache/commons/logging/LogFactoryAt org. hibernate. ejb. Ejb3Configuration. (Ejb3Configuration

The following error occurs when I connect to MySQL through spring today: 09:35:42, 966 [qtp1599775880-15] warn [COM. XXX. muce. webapp. Controller. queryjobcontroller]-exception: Org. springframework. dao. recoverabledataaccessexception: preparedstatementcallback; SQL [select ID, user, hql, output, priority, status, s_time, r_time, c_time, progress, reason from queryjob where (status =? And user =? )]; The last packet successfully receivedFrom the ser

Org. w3c. dom. ls. LSException: java. lang. NullPointerException, Chinese programming Operating Environment: OS: WIN 10.0.14393 x64 family Edition JDK: JavaSE 1.5.0 _ 20 i586 Tomcat: 6.0.48 win32 ----------------------------------------------------------------- Procedure: Run startup. bat to start Tomcat. ----------------------------------------------------------------- Exception information: Org. w3c. dom.

You can write a document in Org and then use a script to convert it to a freemap file.The script file can be downloaded here:Copy it to ~/.emacs.d/freemind.elAdd a line in Init.el:;; Freemind Export (Load "~/.emacs.d/freemind.el")Now edit a user and content. org file:* User Data * * User base data * * Consumer behavior Data * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *To ru

I met Org/objectweb/asm/type when I was consolidating ssh.Workaround 1: The reason is that cglib-nodep-2.x.x.jar in spring conflicts with Cglib-2.2.jar in Hibernate! The Cglib-nodep-2.x.x.jar in spring is necessary when both frameworks are integrated Cancel the Cglib-2.2.jar in HibernateWorkaround 2: The cglib in Hibernate 3.2.6 is Cglib-2.1.3.,jar use Cglib-2.2.jar and the above problems occur. Replace the Cglib-2.2.jar with Cglib-2.1.3.jarWorka

Original: http://blog.csdn.net/ooppookid/article/details/51704792java, javax, org, and Com.sun packages are all class packs provided by JDK and are all in Rt.jar. Rt.jar is the Java base Class library (a very important package in the Java Core framework),Most of the features include Lang, and Rt.jar default is in the root ClassLoader loading path,So it is superfluous to put it in classpath. The difference between them is as follows: 1. java.* Java SE

, each time a value is modified, the table can be recalculated directly. This is a better way.The above formula can also be optimized to use relative positions to specify the last line:#+caption:dau Statistics | Date | New | daily Live | VV | conversion rate | | --------+-------+-------+-------+--------|| 1 represents the previous line in the @7, so you can insert any number of lines in the middle, the formula only needs to modify the @7 to the correct number of rows, it can be calcula

.dispatcher.Dispatcher.getContainer (dispatcher.java:967) at Org.apache.struts2.dispatcher.Dispatcher.init_PreloadConfiguration (dispatcher.java:435) at Org.apache.struts2.dispatcher.Dispatcher.init (dispatcher.java:479) at Org.apache.struts2.dispatcher.ng.InitOperations.initDispatcher (initoperations.java:74) at Org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter.init (strutspreparefilter.java:56) at Org.apache.catalina.core.ApplicationFilterConfig.getFilter (applicationfilterconfig.jav

During plug-in development, Extentions: Org. eclipse. UI. views, added several views at the same time, and then right-click the project run --> JAVA application. The following error report is displayed when the added view is opened in the running project: Org. Eclipse. Core. runtime. Internal. adaptor. selazystarter $ terminatingclassnotfoundexception: An error occurred while automatically activating bundle

The Hibernate framework reads the connection pool configuration information and has some requirements on the connection pool configuration file. For example, the configuration key value must be prefixed with JDBC .......... Package org. logicalcobwebs. proxool. configuration; Import org. Apache. commons. Logging. log;Import o