try:/finally: and generators

Suppose that you have code that generates an abstract 'list' of somesort and returns it inside a try:/finally: block. There are two commonways to code this; you can return a real list, or you can use yield tobe a generator. You might even code it one way and change it to the otherlater, which is generally a transparent change.

Not this time, though. If you are using finally: , the two options canhave quite different behavior. Constructing an example


Sneakers

As we live, we begin to discover what was perfectly sound in the old days would no longer work out in the present day.

Not that I am claiming to be a stubborn old chap who keeps reminiscing about his youth. I'm not sure if you will remember the days when we were left at home taking care of the young siblings. Picture yourself alone with your younger sister, two toddlers not even old enough for kindergarten, playing with a washing-up basin of water. You would have to make

How to set up your vacation messages to get thrown off mailing lists

There are at least two ways to set up vacation messages; they cango to the envelope sender (the SMTP MAIL FROM ), or they can go tothe apparent author of the mail message, usually plucked from the From: header. It's my personal view that mailing list managers shouldimmediately unsubscribe people who have the second sort of vacationmessage system.

(I admit that I haven't always had the courage to do this for liststhat I run.)

It's one thing to harass


認識賈樟柯


書名:《賈想1996 – 2008:賈樟柯電影手記》
作者:賈樟柯
出版:北京大學出版社

賈樟柯是國際知名的中國電影導演,曾以《三峽好人》奪得威尼斯影展金獅獎,其他作品亦屢獲殊榮,頗受國際影壇重視。然而,這位傑

在偽善的浪潮中暢泳

在偽善的浪潮中暢泳

十七歲少女援交的法庭新聞,我Daisy看得拍案叫絕。我指個法官。

來自破碎家庭的少女去援交,不足為奇。但那位裁判官的言論,就很值得我在這裡跟親愛的讀者一同回味。事緣有個少女在網站張貼廣告,作招

平行宇宙

記得之前談過 ,在 T3 過後應為「歷史不可改」,所以之後的故事順著下去就可以。但這背後有一點尷尬:既然歷史不可更改,那送人回去又有何用?但不送人回去,就沒有 Skynet 和 John Connor 了?因果纏結得一團糟。

即使變成是 T2 的「


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單件order的送貨收費

One of the reasons good alerting is tough

One of the reasons that alerting is a tough problem to solve well iswhat I'll call the dependency problem. It goes like this: imagine thatyou have a nice monitoring system and it's keeping track of all sortsof things in your environment. One day you get a huge string of alerts,reporting that server after server is down. Oh, and also a networkswitch isn't responding.

Of course, the real problem is that the switch has died. It's beingcamouflaged behind


反饋期間

1. 動力和反動力。這些病是開始六月暴走後完全沒遇上的:背痛、常常直不起腰來,腳患復發,以及單純的累,禁不住要馬上蓋起眼皮那種。現在都來了。然而這個時候才最重要,要累積,要用思索把所做的行為編織入我們的

雷朋三世主題曲

幾乎沒有看過《雷朋三世》(Lupin the Third) . 是小時候媽媽朋友的小兒子愛看《雷朋三世》, 經常租錄影帶欣賞. 依稀記得那是劇場版《カリオストロの城》, 雷朋三世追著偷了印鈔票版的(緊身衣、電單車─小朋友唔識野都知道「