People like to talk about reliability and availability, and throwaround terms like '5-nines availability' and so on. You may have heardthis from server salescritters (alongside their attempts to sell you redundant power supplies ).
At the same time, what the terms really imply is not intuitive andis often surprising, especially at the high end.
The following chart comes from my co-worker John Calvin:
| Jargon | Rating | Down Time |
| "6-Nines" | 99.9999% | ~30 |
Yahoo!
One of the best things I've ever done to improve my web browsingexperience is very simple: I turned Javascript off almost from itsintroduction.
Turning Javascript off has a host of benefits, because Javascript onweb pages has always been primarily used either for evil or forflashy, distracting user interface elements. With it off I avoid allof that, including popups and links that hide where they're actuallygoing to. Among other advantages, this makes it much lessnerve-wracking to go to strange new
最近 Michael Jackson 的影碟又重出江湖了，有 Dangerous World Tour 演唱會和 Moonwalker等等。看到一些影碟舖也在播放，經過的話如果 MJ 正在唱的是 Billie Jean，總忍不住停一下，等 Moonwalk 出現。
Moonwalk，也就是 MJ 的最得意技倆之一，是 Breakdance Sliding 的一種技巧，其原理不難，基本是向