最近文章量減少了，是因為 GBA 的演出在即，所以練習也密了，晚上回家通常都沒有太多時間，看過 Bloglines 後已經想睡了。而事實上這些日子以來，也有想過好幾個題目要寫的，所以全都 Draft 了 Points ，但並未動手。
正式演出的日子是星期四
Remember to think about the scale of things
One of the famous computer programming quotes is 'prematureoptimization is the root of all evil' (C.A.R. Hoare quoted by DonaldKnuth; attribution dammit (tm)).
A related issue is 'think about the scale of what you're planning'.A recent LiveJournal story provides a lovely example of this. To quote from it:
An increasing number of companies (large and small) are reallyinsistent that we ping them with all blog updates, for reasons Iwon't rant
Things that could happen to your backups
In case yesterday's backup horror story didn't scare youenough, here's an incomplete list of things that have been known to gowrong with backups. Are you sure that none of them are happening toyour backups right now?
- the backup program writes corrupted backups.
- the backup program doesn't capture a usable system state becausethings keep changing even as it runs (databases are famous forthis).
- the backup program generates incomplete backups, especially when runin incremental mode. For example, many
Check your backups
Backups have been in the geek news recently, courtesy of thechilling tale of the online comic Penny Arcade's backup failure .Making backups is important, but there's an equally important and farless appreciated piece: checking your backups to make sure that youcan actually restore them .
You may say 'but, I'm sure my system would scream a lot if somethingwas wrong'. Let me tell you a story about that.
Once upon a time there was a young and innocent systemadministrator.
20050815網摘 – 積了幾天的…
開工了
- Tail XP Log monitoring tools
- Dreamweaver 8 令我矚目的新功能
- Log4JavaScript! Really? Javascript Debug 好工具
- Thinking in AJAX —— 基于AJAX的WEB设计-嘟嘟老窝
- Mozilla’s New Array Methods Javascript 的
- Functional web application testing with automatic recording
- Vladstudio.com {free desktop wallpapers, web design, web applications, user interface engineering, identity & graphics, skins, icons, logotypes, and more}
電影預告/新聞/
冬蔭功 – 打得熱血沸騰
再看 Tony Jaa 還是看得人熱血沸騰，比起《拳霸》這一齣打得更勁更狠，而且有很多不同類型的打鬥，場面設計得更巧妙，對於看動作打功夫的人來說，應該很滿足。
出身寒微的阿錦與父親相依為命，他們過著簡單而開心的生活。當
Those amusing Referer spammers
One form of blog spam is 'Referer' spam. Referer is the (optional)HTTP header included in requests from web browsers to web servers thatcontains the web page that the link to your page was on. Some blogsoftware uses this header as a lower-tech version of Trackback .
Referer spam has the attraction for the spammers that it's dirt simpleto do. All their software has to do is to make an ordinary HTTPrequest for a page or three on a web site and throw in a
Weekly spam summary for August 13th, 2005
Overall SMTP connections are running at twice the expected rate, at246,000 SMTP connections although only from the usual 33,000 differentIP address. The SMTP frontend hit a highwater of 18 simultaneousconnections during the week.
Kernel level IP filtering:
Host/Mask Packets Bytes204.50.22.50 11909 572K170.206.225.64 8186
網摘意見調查
我的網摘篇章，模式基本上是仿照 Richy’s Blog 的模式，將自己認為值得一看的東西總合，加上自己的分類和小小評語，方便他人也方便自己。如今也摘了一段日子了，由於多數的人都不會在網摘篇章留言，所以我想特此問一問大家
The anatomy of a DWiki bug
Yesterday's entry mentioned in passingfixing a bug in DWiki . Today's entry is about the anatomy of that bug(and how I found it).
This starts with DWiki 's processing model, which involves displayingpages in a number of different formats, which are called'views'. (More about this is in ProcessingModel .) Not allviews are valid for all pages (for example, the ' history 'view isn't valid for a file without a version history).
If an