小编ela*_*ich的帖子

有没有聪明的方法呢？我最好的方法是:

object next = list.get(0) ;
list.remove(0) ;
list.add(next) ;

如果没有,是否有任何类型的集合,将使这更容易？我不喜欢需要一个临时对象来存储我想要移动的元素..

编辑:我用我的代码测试了下面列出的命题:

    long starttime = System.nanoTime() ;
    for (int i = 0; i < ntours; i++){
        profit += retrieveGroupsWillPlay(groups, ngroups, limit) ;
    }
    long endtime = System.nanoTime() ;
    System.out.println("Timing: " + (endtime - starttime)) ;
    System.out.println("Profit: " + profit) ;

结果如下:(利润:15,确保结果适合我的代码)代码:

private static int retrieveGroupsWillPlay(ArrayList<Integer> queue,int ngroups, int limit) { 
    int peopleWillPlay = 0 ;
    for (int i = 0; i < ngroups; i++){
        int nextGroup = queue.get(0) ;
        if(limit …

我在这里有一个问题,"applicationContext.xml"中定义的bean如何可用于在"spring-servlet.xml"中定义的控制器,所以我可以跳过这种错误.

org.springframework.beans.factory.BeanCreationException: Error creating bean with name '/home' defined in ServletContext resource [/WEB-INF/mmapp-servlet.xml]: Cannot resolve reference to bean 'equipementService' while setting bean property 'equipementService'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'equipementService' is defined

applicationContext.xml中

<?xml version="1.0" ?>
<!DOCTYPE beans PUBLIC 
"-//SPRING//DTD BEAN//EN"
"http://www.springframework.org/dtd/spring-beans.dtd">

<beans>
    <bean name="equipementService"
        class="mmapp.service.SimpleEquipementService" />
    <bean name="equipement1"
        class="mmapp.domain.Equipement" />

</beans>

mmapp-servlet.xml中

<?xml version="1.0" ?>
<!DOCTYPE beans PUBLIC
"-//SPRING//DTD BEAN//EN"
"http://www.springframework.org/dtd/spring-beans.dtd">

<beans>

    <bean name="/home" class="mmapp.web.HelloController">
        <property name="equipementService" ref="equipementService" />
    </bean>
</beans>

当我将此行添加到我的ivy.xml文件时:

 <ivy-module version="2.0">
     <info organisation="Marouane" module="example"/>
     <dependencies>
         <dependency org="com.sun.faces" name="jsf-impl" rev="2.1.19" />
         <dependency org="com.sun.faces" name="jsf-api" rev="2.1.19" />
         <dependency org="org.springframework" name="spring-context" rev="3.2.1.RELEASE" />
         <!-- this line -->
         <dependency org="org.springframework" name="spring-web" rev="3.2.1.RELEASE" />
     </dependencies>
 </ivy-module>

我有一个关于未解决的依赖项的警告,没有下载任何内容.

::::::::::::::::::::::::::::::::::::::::::::::
::          UNRESOLVED DEPENDENCIES         ::
::::::::::::::::::::::::::::::::::::::::::::::
:: com.caucho#hessian;3.2.1: not found
::::::::::::::::::::::::::::::::::::::::::::::

编辑:这是问题摘要:

    module not found: com.caucho#hessian;3.2.1
==== local: tried
  $HOME/.ivy2/local/com.caucho/hessian/3.2.1/ivys/ivy.xml
  -- artifact com.caucho#hessian;3.2.1!hessian.jar:
  $HOME/.ivy2/local/com.caucho/hessian/3.2.1/jars/hessian.jar
==== shared: tried
  $HOME/.ivy2/shared/com.caucho/hessian/3.2.1/ivys/ivy.xml
  -- artifact com.caucho#hessian;3.2.1!hessian.jar:
  $HOME/.ivy2/shared/com.caucho/hessian/3.2.1/jars/hessian.jar
==== public: tried
  http://repo1.maven.org/maven2/com/caucho/hessian/3.2.1/hessian-3.2.1.pom
  -- artifact com.caucho#hessian;3.2.1!hessian.jar:
  http://repo1.maven.org/maven2/com/caucho/hessian/3.2.1/hessian-3.2.1.jar

我参观了Maven仓库网站,Spring的web 3.2.1的页面,粗麻布3.2.1被列为依赖关系,但在粗麻布的页面存在的3.2.1版本没有麻袋包,这是什么问题？我该怎么办？

我试图为降价标头创建一个运算符挂起映射，这是学习 vim 脚本的一个练习，这里是我的 vimrc 中的行：

autocmd Filetype markdown :onoremap ih :<c-u>execute "normal! ?\\(^==\\+$\\|^--\\+$\\)\r:nohlsearch\rkvg_"<cr>

我有这个错误

E486: Pattern not found: \(^==\+$|^--\+$\)

我尝试了一些修改，但我得到了相同的结果，就像管道永远不会逃脱一样！