剛剛在電腦雜誌上看到這麼一個 Web Hosting 廣告如是說:「Web 2.0 免費支援,RSS、AJAX、Blogging,全球最新 Web Hosting 標準,網絡管理員必備!」聞到一陣陣泡沫味。Web 2.0 幾時變成了 Web Hosting 標準了?是不是在我的網站加幾個 AJAX 介面,輸出 RSS ,那
The limits of web spider tolerance
I have an important message for web spider operators: our generosityis not unlimited. In fact, it's probably running out.
There are a lot of web spiders out there, and many of these spidersdon't seem to be offering anything for free to the public. When youcrawl to build a private index, you're building a business in part off our resources, which you are using for free, and there is verylittle in this for us. To put it plainly, such spider
推薦閱讀
在讀完自己的 Bloglines 後,通常會會逛 Blog-you 和 OUI 看看聯播碰碰好文,也會看看近期有 Bloggers 推介的文章。而近來又有一個好地方可以逛了: MySinaBlog 。
MySinaBlog 的圈子裏氣氛都相當不錯,出產不少好文章。在其首頁裏,有「奇文共賞」和「熱門話題」
出中國記
A Python length gotcha
Python calls the __len__ method on your objects to implement len() , and in a few other situations (for example, as one way ofiterating through the elements of a sequence-likeobject). Surprisingly, there's an under-documented restriction on whatyour __len__ can return: objects can't be larger than sys.maxint .
In fact, it's stricter than that: your __len__ method must returna literal integer. You
without linkage
Podcast 講甚麼?
最近又在想如果要做一個 Podcast 的話,應該做些什麼好。我認為 Podcast 如果有一個明確的主題的話會更好,可是自己又怕煩又怕沒有恒心長/定期做一個主題,所以暫時想不如做一些幾集的「專題」的 Podcast?正所謂做生不如做熟,暫時想到
時間
雖然明顯不是海子最好的詩,但我想不同的人都被「面朝大海,春暖花開」這個押韻句意象感動過。吐氣的開口音佔絕對多數,配合著開闊的意象——一個人叉著腰在金黃的早晨大喊那樣,而音節、聲音(而非文字)尤