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...
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...
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...
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...