#than

idea 启动项目报错,more than one fragment with the name [spring web] was found

  这是由于idea导入项目的时候有多个模块,并且有多个web.xml导致的,先删除对应的模块,后启动即可。 另外也有可能是spring的jar冲突,把冲突的jar删除即可。...

HDU 1039 Easier Done Than Said?

TimeLimit:2000/1000MS(Java/Others)    MemoryLimit:65536/32768K(Java/Others)TotalSubmission(s):12751    AcceptedSubmissio...
代码星球 ·2020-04-14

C#中object sender,EventHandler e有个毛作用

button1_Click(objectsender,EventHandlere) {Buttonbutton=(Button)sender;button.Text="textpropertyhasbeenchangedatitsevent";}object是事件的激发控件,或叫事件源:具体我们可以用Mess...

More than one fragment with the name [spring_web] was found. This is not legal with relative orderin

最近在搭建一个springmvc项目时遇到“Morethanonefragmentwiththename[spring_web]wasfound.Thisisnotlegal...”报错,详细的日志信息如下:……五月08,201911:49:52下午org.apach...
代码星球 ·2020-04-06

使用DbUtils实现增删改查——ResultSetHandler 接口的实现类

    在上一篇文章中《使用DbUtils实现增删改查》,发现运行runner.query()这行代码时。须要自己去处理查询到的结果集,比較麻烦。这行代码的原型是:publicObjectquery(Connectionconn,Stringsql,ResultSetHandle...

Maven错误:[ERROR] No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?的解决方法

错误:[ERROR]Nocompilerisprovidedinthisenvironment.PerhapsyouarerunningonaJREratherthanaJDK?解决方法:1、如果是Eclipse时,应该是安装好JDK后Eclipse默认使用的是JRE,所以只要调节回来即可。两种方式都可行:①②、2、如...
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