Metrics considered dangerous
It's a general truism in software development that metrics are oftendangerous, because people will naturally work to what you pay attentionto (to summarize). If you pay attention to bugs closed, people closebugs; if you pay attention to lines of code written, people write code.The dangers inherent in this are hopefully obvious.
(In fact it happens outside of software development too; consider allof the schools that are busy 'teaching to the test', because variousstandardized tests have become so important
其實,文學節是存在的
奇蹟
不是什麼偉大的事
也不是什麼了不起的任務
不過在做的過程中
總是要在短到不能再短的時間內完成一些難度極大的事
完成了之後
所有人都覺得是理所當然的
甚至有人會以為這樣的事理應輕鬆完成
可是
/etc/inittab versus /etc/rc.d
One aspect of yesterday's problem is a littleordering issue between /etc/inittab and stuff in /etc/rc.d . Namely:
Everything in
/etc/rc.druns before other things in/etc/inittabreally takes effect.
(The paths here are for Red Hat; elsewhere, what Red Hat puts in /etc/rc.d is just put straight into /etc , so you have /etc/init.d and /etc/rc3.d and so on