If you want to delete lines 5 through 10 and 12: sed -e '5,10d;12d' file This will print the results to the screen. If you want to save the results to the same file: sed -i.bak -e '5,10d;12d' file This will back the file up to file.bak, and delete th…
在项目工程->Properties->Java Build Path->Libraries中导入的JRE System Library库里,给jar包添加JDK源代码包后,能够直接打开JDK的各种类文件源代码,如Object.String.HashMap等 但是,在给这些源代码打断点开启debug跟踪的时候,却发现eclipse报了一个 Unable to install breakpoint in *** due to missing line number attributes.Mo…
unable to install breakpoint in ...(file name) due to miss line number attributes. midify compliter options to generate line number attributes. reason: absent line number information 解决方法: 1:假如你用的是ant调试的话,那么请在你的build.xml里面加上这句话 <javac .....debug="…
在加入断点时,提示出 unable to install breakpoint in ...(file name) due to miss line number attributes. midify compliter options to generate line number attributes. reason: absent line number information 方法一: 根据提示,修改compliter options 如下: Project--->Properties-…
[shell] while read line 与for循环的区别 while read line 与for循环的区别---转载整理 while read line 是一次性将文件信息读入并赋值给变量line ,while中使用重定向机制,文件中的所有信息都被读入并重定向给了整个while 语句中的line 变量. for是每次读取文件中一个以空格为分割符的字符串. 如下示例脚本: #/bin/bash IPS="10.1.1.10 3001 10.1.1.10 3003 10.1.1.11 3…
Delete a line like eclipse CTRL+D (tested on Xcode 4.5.1) : First of all, change these rights : sudo chmod 666 /Applications/Xcode.app/Contents/Frameworks/IDEKit.framework/Resources/IDETextKeyBindingSet.plist sudo chmod 777 /Applications/Xcode.app/Co…