A little failsafe feature in 3-prong electrical plugs

I happened to notice this today: if you go look at your garden varietythree prong power plugs, you'll see that the ground connector issomewhat longer than the two power connectors. Thus when you insert theplug the ground wire is connected before the power goes hot, even ifthings are a bit off-balance.

There's applications of this safe- before -engagement features in systemadministration; for example, Unix boot sequences usually configure IPfiltering before the network interfaces come up, not after.


母女對話

我:「幫我拎對鞋去整呀。」

媽:「記得先啦。」

我:「又唔見你會唔記得問我要家用。」

媽:「又唔見你會記得準時俾家用。」

我:「靚女既就話要準時俾半份人工做家用姐,因為感激阿媽生得佢咁靚。你生到我咁醜,仲好意

sorry , 我不願意把音量收細~~~~

上星期朋友cat找我 :「喂可以幫忙在今年第二屆 「國際不再恐同日」 香港區遊行集會中彈首歌仔嘛?」之後她send了那首歌的歌詞給我,當時都未知首歌本身是怎麼樣的,但一睇 個歌詞我就一口答應了。歌曲是側田的「命硬」,這

座談會雜談

acgblogger

去了「老夫子到鋼鍊之路」座談會,是次聚會的講者是鍾寶賢博士和吳偉明博士,講的是本地的漫畫,由舊時講到今天。

鍾博士主力講的是《老夫子》這本經典漫畫,其源頭自哪裏,有哪些本地元素,再講到如《小流氓》的本地


Weekly spam summary on May 20th, 2006

This week we:

  • got 12,292 messages from 221 different IP addresses.
  • handled 16,875 sessions from 807 different IP addresses.
  • received 125,999 connections from at least 41,642 different IPaddresses.
  • hit a highwater of 11 connections being checked at once.

Nothing went wrong this week, thank goodness; no reboots, no SMTPfrontend restarts, nothing.Weekly volume seems to be back to the normal level when


My mistake with the Host: HTTP header

One of the nice things about writing a blog is getting to say 'oh, oops,I was a dumbass, let me fix that'. Today I have to own up to a bigexample of this.

Back at the start of WanderingThoughts , I wrote an entry where I complained in part:

In theory the absolute URL should include the port (unless it's thedefault). In practice, every program I've tried gleefully adds theport itself if it is a non-standard port and


失敗.悲劇.崇高

樂小姐,問為什麼是俄羅斯。俄羅斯的不可企及之處在於直接、原始,崇高。康德意義下的崇高( LINK of KANT )。那是,我們面對巨大、殘暴的客體(通常都是自然)時感到的,看見壓倒與被壓倒的震撼,領會(apprehension)與理解(comprehension)之
Continue reading...

20060521網摘 – 考評局侵犯私隱權

Java and JS

JS Tutorials


回應一位讀友

今日收到報館轉來一封信,一位沒有署名的讀友就我的“哀樂專欄”寫了密密一頁紙與我交流,因為已寫好了未來幾個星期的稿,不打算在報紙上回應,在此空間跟大家分享,希望這位有心人有機會看到吧!

1. 讀友認為港澳兩

Things that irritate me about Python's socket module

I am afraid that I am too busy listening to the Men WithoutHats to writetoo much tonight, so I am just going to trot out some of myirritations with Python's socket module . Allof these are on Unix machines.

(I suspect that portability to Windows is the reason for some of these,but it doesn't mean that I'm not irritated by them.)

  • socket.error . Let me count the ways:

    • most instances should actually be IOError or OSError instead.
    • it has