As I mentioned yesterday ,scripts in packaging systems are an opportunity to make mistakes. Thus,one thing that RPM could do to improve is to automate as many of thethings that are done repeatedly in install and removal scripts (of whichRPM has several variants).
There are two improvements that jump out at me. First, many packagesonly do things when they are being actually installed or removedinstead of being upgraded (and sometimes do other things during anupgrade). Right now people detect these cases by boiler
Once upon a time it was popular to laugh at package systems like RPMand say that all you really needed was ' make install '. This attitudemissed the point, because the importance of good package systems isthat they let you easily remove things .
This matters because it encourages experimentation with packages.If removing a package is difficult and painful, it's a fairly bigcommitment to just install a package in the first place. If removing apackage is easy and reliable, then installing packages is not at all
話說，英國歌手 Katie Melua 有一首情歌《Nine Million Bicycles in Beijing》，其中有一段歌詞：
We are 12 billion light-years from the edge. That’s a guess. No one can can ever say it’s true. But I know that I will always be with you.
不過，科普作家 Simon Singh 說 ，其實我們離宇宙邊界大概 13.7 × 10^
One persistent general belief, probably most common among a subset ofthe people who insist on going commercial for products (instead of opensource), is that your problems are over once you have a contract forsomething with some appropriate entity.
This is false. Contracts and agreements and so on do not insureactual performance , especially performance to your satisfaction ; all that they actually do is enable you, intheory, to recover some amount of money some distance in the future. Inpractice this 'remedy' is so
近日已有宣傳 Firefox Download Day 的活動，欲創「單日最多人下載軟體」健力士世紀錄。
Firefox 3 新增很多 功能與改進 ，其中我覺得最深刻的是網址欄自動搜尋、插件安裝，當然還有重大的效能提升，使用的記憶體情況大為穩定。
大家可以先到網
