border-collapse 有时候想给tr设置border:1px solid#000 但是不管用,在浏览器上运行没有效果,查询资料得知需要预先设置好table的样式只要给table声明:border-collapse 给tr的样式即可生效border-collapse可能的值 值 描述 separate 默认值。边框会被分开。不会忽略 border-spacing 和 empty-cells 属性。 collapse 如果可能，边框会合并为一个单一的边框。会忽略 border-spacing 和 empty-cells 属性。 inherit 规定应该从父元素继承 border-collapse 属性的值。

批量设置文件夹权限755,文件权限644 find -type d|xargs chmod 755 find -type f|xargs chmod 644 cd 到想设置文件夹权限755,文件权限644的目录比如:我想设置 /var/www/web里的文件夹权限755,文件权限644 那么cd /var/www/web find -type d|xargs chmod 755 find -type f|xargs chmod 644就可以了同样的 也可以这样find /var/www/web -type d|xargs chmod 755 find /var/www/web -type f|xargs chmod 644

无法应用原保存的显示器配置的解决办法 可以尝试如下方法rm .config/monitors.xml 发生上述问题的操作步骤，gdm3（wayland）切回lightdm发生执行上述代码重启后（或注销重新登录），问题应该解决了

两个自备软件 1.谷歌浏览器的一个代理插件Falcon-Proxy_v0.7.1.crx2.大名鼎鼎的DriveDroidDriveDroid.Paid_V0.10.3_by_ycz22.apk

PCS二进制可执行文件 pcs是什么呢百度个人云存储（PCS） 免费大空间、海量存储。支持文件、目录及缩略图管理。支持结构化数据存储 。多终端自动同步。轻松的文件分享功能。专业的技术支持团队。基于多种平台提供丰富的pcs的功能如下pcs v0.2.5 (API v1.1.3)pcs Usage: pcs command [options] [arg1|arg2...] Description: The pcs is client of baidu net disk. It supplied many functions, which can manage baidu net disk on terminal, such as ls, cp, rm, mv, rename, download, upload, search and so on. The pcs provided AES encryption, which can protected your data. The pcs is open source, and published on MIT. Please see https://github.com/GangZhuo/baidupcs. Options: --context=<file path> Specify context. Commands: cat Print the file content cd Change the work directory copy Copy the file|directory compare Print the differents between local and net disk context Print the context download Download the file echo Write the text into net disk file encode Encrypt/decrypt the file help Print the usage list List the directory login Login logout Logout meta Print the file|directory meta information mkdir Make a new directory move Move the file|directory into other file|directory pwd Print the current work directory quota Print the quota remove Remove the file|directory rename Rename the file|directory set Change the context, you can print the context by 'context' command search Search the files in the specify directory synch Synch between local and net disk. You can 'compare' first. upload Upload the file version Print the version who Print the current user Use 'pcs <command> -h' to print command usage. Sample: pcs help pcs help cat pcs cat -h pcs cat /note.txt pcs cd /temp pcs cat /note.txt --context=/home/gang/.pcs_context 下载 md5:e34168407ef7a50b93d2b703f7f75734https://wuhao.pw/usr/uploads/2017/10/pcs