Peter Drucker on the Five Deadly Business Sins
Every so often I read a genuinely electrifying article, one that makesme sit bolt upright in an 'ah-ha!' moment as it crystallizes things I'vebeen stumbling towards.
Peter Drucker's The Five Deadly Business Sins is one such article. Go read it now; I'll wait. (It nailed me to thefloor so much that I have a copy saved in case the Wall Street Journalever removes it or moves it behind their pay-wall.)
Looking back over my entries
An annoyance with $PATH on Red Hat
In the spirit of equal opportunity annoyance :
One of the things that never fails to irritate me with Red Hat is thatwhen you do ' /bin/su root ' on astock system, you get a shell whose $PATH doesn't include /sbin or /usr/sbin .
This trips me up all the time, and every time it's an nngh moment. Andit's not as if Red Hat doesn't already have a ~root/.bashrc that doesquite a lot
希臘首部曲:悲傷草原 The Weeping Meadow
賊壇新人王Fun with Dick and Jane
TOUCH
More on regular expression performance
My problem with benchmarking is that it's tedious (and finicky). Goodbenchmarking mostly consists of twiddling my thumbs while my tests run,often yet again after some minor tweak or improvement or additionalcase. I can kill days running tests and staring at numbers and not reallyget anywhere (and sometimes I've had to).
All that said, after my entry on some regular expression performancesurprises , I got curious enoughto do more detailed micro-benchmarking. With Daniel Martin 's assistance I was
屯門公園
春天來了
搜購春裝大行動也開始了。
買了一件背心一條連身裙一件上衣,
噢... ... 不用問款式了,
都是低胸 deep v 心口開了一個洞那種。
不知誰人說過:「女人之所以可愛,係因為佢地夠女人」。
同樣道理
Irony in a Referer spammer
Irony is a Referer spammer spamming my entryon how affiliate marketing is undead forsomething that sure looks like an affiliate marketing scheme. More ironyis that this is the first Referer spammer in a donkey's age; all the oldones seem to have given up months ago.
This just goes to show that I can find amusing things from readingmy server logs.
An analysis of the spammer
The spammer came from 217.15.96.18, an unremarkable DataStreamMalta IP address that
Weekly spam summary on February 18th, 2006
Now that I've automated almostall of the Hotmail spam report, of course it turns out we've had a quietweek, even more so than last week :
- no messages accepted.
- 22 messages rejected because they came from non-Hotmail emailaddresses.
- 54 messages sent to our spamtraps.
- 13 messages refused because their sender addresses had already hitour spamtraps.
- 5 messages refused due to their origin IP address (one in theSBL, one in the CBL, one from Nigeria, one from