获取N天后的时间
date -d “32 days” +%s
获取N天前的时间
date -d “32 days ago” +%s
将时间戳转换成人眼可识别的形式
date -d ’1970-01-01 UTC 1123495443 seconds’
在Ruby下将时间戳转换
Time.at(1123495443).strftime(“%Y-%m-%d”)
输出格式可以自定义 http://www.ruby-doc.org/core/classes/Time.html#M000392
Two ways:
1. Just use the simple “rpm -ivh package.rpm” (you get the same result as doing “yum localinstall package.rpm”); or
2. Edit /etc/yum.conf and change the value of gpgcheck from 1 to 0.
实例:
<pre>wget -nd -r -l1 –no-parent http://media.pragprog.com/titles/rails3/code/depot_c/public/images/</pre>
安装tokyocabinet-1.4.45时./configure会出现如下错误:
configure: error: bzlib.h is required
[root@jeantoe tokyocabinet-1.4.45]# yum install bzip2-devel
vim .vimrc
set encoding=utf8
