#OGR

e803. 获得和设置JProgressBar的值

//Tocreateaprogressbar,seee801创建一个JProgressBar组件//Getthecurrentvalueintvalue=progress.getValue();//Gettheminimumvalueintmin=progress.getMinimum();//Getthemaximu...

e802. 创建一个位置大小的JProgressBar组件

Aprogressbarwithanunknownmaximumtypicallydisplaysananimationuntilthetaskiscomplete.Note:Thepercentagedisplayshouldnotbeenabledwhenthemaximumisnotknown(e804显示JPr...

e805. 监听JProgressBar的数值变化

Wheneverthevalueofaprogressbarischanged,achangeeventisfired.Infact,theeventisalsofiredwhentheminimumormaximumvaluesarechanged.However,theeventdoesnotspecifywhic...

e801. 创建一个JProgressBar组件

Aprogressbarisusedtovisuallyindicatehowmuchataskhasbeenprogressed.Aprogressbarcanbeorientedhorizontally(left-to-right)orvertically(bottom-to-top).Bydefault,theo...

AOP(Aspect Oriented Programming),即面向切面编程

AOPAOP(AspectOrientedProgramming),即面向切面编程,可以说是OOP(ObjectOrientedProgramming,面向对象编程)的补充和完善。OOP引入封装、继承、多态等概念来建立一种对象层次结构,用于模拟公共行为的一个集合。不过OOP允许开发者定义纵向的关系,但并不适合定义横向的...

e575. The Quintessential Drawing Program

Todrawonthescreen,itisfirstnecessarytosubclassaJComponentandoverrideitspaint()method.Thepaint()methodisautomaticallycalledbythewindowingsystemwhenevercomponent'...

Result Maps collection already contains value for com.miniprogram.meirong.user.dao.UserMapper.BaseResultMap

出现这种情况了,是mybatis-generator生成mapper.xml一遍之后。再修改数据库,然后再生成,它不会删去之前的,只是增加,就会出现两段相同的代码。<?xmlversion="1.0"encoding="UTF-8"?><!DOCTYPEmapperPUBLIC"-//mybatis....

XML fragments parsed from previous mappers does not contain value for com.miniprogram.meirong.comment.dao.CommentMapper.Base_Column_List

mybatis出错了,正在找原因。XMLfragmentsparsedfrompreviousmappersdoesnotcontainvalueforcom.miniprogram.meirong.user.dao.UserMapper.Blob_Column_List嗯,这个报错,要看仔细,之后去分析,不能怕,一目...

Aspect-oriented programming

TerminologyStandardterminologyusedinAspect-orientedprogrammingmayinclude:Cross-cuttingconcernsMainarticle: Cross-cuttingconcernEventhoughmostclassesinanOOm...
代码星球 ·2021-02-08

Aspect-Oriented Programming : Aspect-Oriented Programming with the RealProxy Class

Awell-architectedapplicationhasseparatelayerssodifferentconcernsdon’tinteractmorethanneeded.Imagineyou’redesigningalooselycoupledandmaintainableappl...

progress组件(进度条)

  progress组件:进度条  progress组件的属性:    percent:类型:number  设置百分比(0~100)    show-info:类型:布尔  在进度条右侧显示百分比    border-radius:类型:number  圆角大小    font-size:类型:number  右侧百...
代码星球 ·2021-02-08

appium 出现报错“A new session could not be created. (Original error: Requested a new session but one was in progress)”的解决方式!

报错点:selenium.common.exceptions.WebDriverException:Message:Anewsessioncouldnotbecreated.(Originalerror:Requestedanewsessionbutonewasinprogress)详见截图:    解决方式:   第...

解决方案--java执行cmd命令ProcessBuilder--出错Exception in thread "main" java.io.IOException: Cannot run program "dir d:": CreateProcess error=2(xjl456852原创)

当我尝试在java中通过ProcessBuilder运行window的cmd命令时出现错误:publicstaticvoidmain(String[]args)throwsIOException{ProcessBuilderbuilder=newProcessBuilder();Processprocess=build...

error: snap "electronic-wechat" has "install-snap" change in progress

今天因为要使用wechat,但是因为wechat并没有官方的Ubuntu版本,幸好有大神出了electronic-wechat,可以直接在应用商店中搜到,然后直接安装,也可以命令行安装,命令如下://从snap安装wechatsudosnapinstallelectronic-wechat但是因为看到安装速度太慢了,就...

Error:stray '243' in program

c++程序出现 Error:stray'243'inprogram错误错误情况:错误原因:有不标准的ASCII字符出现,一般是中英文问题,比如;or;  ,or,等解决方法:将程序中的:--->:(中文符号改为英文符号) ...
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