需求:winform应用程序,当隐藏到托盘时,再次运行exe程序,让其只运行一个实例,并且把窗口从托盘中显示出来 应用程序名可以通过下面代码,获取到: Process current = Process.GetCurrentProcess(); strProcessName = current.ProcessName; static class Program { private static string strProcessName = "Form1" ; private stat
The difference between mascara and the extension Mascara Is in alpha and some of it's behaviors are still undocumented. 1.页面控制台报错 运行eth.accounts出错: (node) warning: possible EventEmitter memory leak detected. 11 listeners added. Use emitter.setMaxList
1.SettingWithCopyWarning: A value is trying to be set on a copy of a slice from a DataFrame 场景:运用pandas修改某个序号所对应的key值时出现了该类警告 https://stackoverflow.com/questions/26724378/pandas-settingwithcopywarning 代码: df_index = df.loc[index]df_index[key] = value
不多说,直接上干货! 问题详情 当出现这类错误时是由于版本不匹配造成的 Information:// : - Compilation completed with errors and warnings in 3s 910ms Error:scalac: error while loading JUnit4, Scala signature JUnit4 has wrong version expected: 5.0 found: 4.1 in JUnit4.class Error:scala
linux 环境下运行ECLIPSE时 出现 “ A Java Runtime Environment (JRE) or Java Development Kit (JDK) must be available in order to run STS. No Java virtual machine was found after searching the following locations: /home/carlos/Documents/soft/sts-bundle/sts-3.7.3
最近在进行jsp开发学习,在配置上还是遇到很多问题. 在连接好数据库后,写了第一个jsp测试页面,结果在运行eclipse中运行toamcat时出现了错误提示:Server Tomcat v7.0 Server at localhost failed to start. 在cmd中运行 java //正常 在cmd中运行 javac //正常 运行tomcat的bin文件下的startup正常启动,唯独在eclipse中出现Server Tomcat v7.0 Server a
运行tomcat7w.exe tomcat7.exe ,提示 指定的服务未安装 unable to open the service 'tomcat7'(用的是绿色的Tomcat7) 解决方法: 打开命令行提示符窗口=> 进入Tomcat安装目录==> 进入bin目录下==> 输入:service.bat install 即可 直接到目录点击这个service.batt会不会也可以?经过验证:不可以