The best way to correlate cross-information is to label it. The org mode of Emacs is very powerful in supporting tags.Each title can contain a list of tags at the end. Labels consist of letters, numbers, ' _ ' and ' @ '. There must be a colon before and after the label, such as ': work: ' . You can also declare multiple tags like ': work:urgent: ' . The label is bold by default and has the same color as the title. You can specify a different style for
The article is also posted on my GitHub blog: http://cheukyin.github.io/jekyll/emacs/2014-08/org2jekyll.html1 PrefaceBefore this month, I have been vimmer, but the vimscript grammatical confusion and cotton-like weakness, let me distressed unceasingly, but the work study but to its a lot of dependence, always give up. Last month, however, I had no intention of glancing at my swollen, stinking, smelly, VIMRC, one-eyed ... Will lose the maintenance of confidence, give up vim, nature can only switc
This problem occurs when Tomcat is started when struts2 + hibernate + spring is set up.
Severe: Error Handling ing application listener of class org. springframework. Web. Context. contextloaderlistenerJava. Lang. classnotfoundexception: org. springframework. Web. Context. contextloaderlistenerAt org. Apache. Catalina. loader. webappclassloader. loadclass (webapp
-line arguments:-application teshost. application-data D: \ work \ src /.. /runtime-teshost.application-dev file: D:/work/src /. met Adata/. plugins/org. eclipse. PVDF. core/teshost. application/dev. properties-OS win32-ws win32-arch x86-consoleLog! ENTRY org. eclipse. osgi 2 0 2011-11-22 22:58:21. 360! MESSAGE One or more bundles are not resolved because the following root constraints are not resolved :! S
This problem occurs when spring is started:
Exception in thread "Main" org. springframework. beans. factory. beancreationexception: Error creating bean with name 'helloworldbean' defined in file [C:/WL/spring04-08/src/applicationcontext. XML]: initialization of bean failed; Nested exception is Org. springframework. AOP. framework. aopconfigexception: Couldn't generate cglib subclass of class [class COM. spr
Org. hibernate. exception. SQLGrammarException: cocould not execute query does not find the database, couldnotexecute
org.hibernate.exception.SQLGrammarException: could not execute queryorg.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:90)org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)org.hibernate.loader.Loader.doList(Loader.java:2235)org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:
Version: hibernate_core 3.3.2Use SF. opensession ();But now getcurrentsession () is popular. The reason is very simple. opensession () re-starts a session regardless of the situation, while getcurrentsession () adds a judgment, when there is a session, it will be called directly. If there is no session, it will be created. The benefits are obvious!Error message I met
Java code :{
DP. Sh. toolbar. copytoclipboard (this); Return false;
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Org
Emacs Org mode is a very powerful, versatile and extensible package, which can being used for personal information management , maintenance of a wiki platform, implementation of a GTD system, etc. With a-simple markup grammar, it's very easy for the user-perform a structured typesetting in pure ASCII. The text file can then is exported into various formats, such as PDF, OpenOffice, HTML, LaTeX, TaskJuggler (a professional Project management tool), ICa
In the beginning, I configured user libraries (Struts-2.2.3 for multiple projects) according to a textbook ), then introduce Struts-2.2.3 directly (this package will not be placed in the project folder ):
However, the program cannot be started due to an error as shown in the following figure:
Severe: exception starting filter struts2Java. Lang. classnotfoundexception: org. Apache. struts2.dispatcher. Ng. Filter. strutsprepareandexecutefilterAt
Org. springframework. web. context. ContextLoaderListener solution,
Recently deployed ssm project in tomcat. When tomcat is started, the org. springframework. web. context. ContextLoaderListener error is reported.
Severe: Error Processing ing application listener of class org. springframework. web. context. contextLoaderListenerjava. lang. classNotFoundException
Recently, I was working on the spring + struts2 + ibatis project. Yesterday, the eclipse server started normally. As a result, an error is always reported as follows:
Severe: Error Handling ing application listener of class org. springframework. Web. Context. contextloaderlistenerJava. Lang. classnotfoundexception: org. springframework. Web. Context. contextloaderlistenerAt
This exception means that the int type cannot be assigned null, while the integer type can.
If the int value can be null in the MySQL database, the integer type should be used in my modle class and ing file.
This is not the same as the automatic unpacking of Java 5.
Integer I = 3; // auto-boxing int A = I + 3; // auto-Unpacking
Note the NULL pointer exception (nullpointerexception) When unpacking )!
For example, integer x = NULL;Int y = X;
Solution:
Set the original
I took a look at the tutorial a few days ago and tried to configure hibernate on the Web. when there was a tragedy, the following error message was prompted:
Information: hibernate validator bean-validator-3.0-JBoss-4.0.2Exception in thread "Main" org. hibernate. hibernateexception: unable to get the default bean validation factoryat Org. hibernate. cfg. beanvalidation. beanvalidationactivator. applyddl (b
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
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