最近看到有一些 Blogger 都加入了 Snap Preview 的功能,就是當滑鼠在連結上時,會自動彈出該網站的抓圖。對此,有些 Blogger 覺得這增加了實用性,有些則覺得彈出來的圖很煩人和阻礙閱讀。
我自己定期有做網摘,所以我覺得這個預覽功能應該能
Following up the previous case , here's something weran into recently.
Imagine that you want to pull lines out of /etc/shadow for specificlogin names; you'd use, for example, ' grep "^${UNAME}:" /etc/shadow '.Now imagine that some of your login names include '$', so you want togenerate a version of $UNAME with the '$' quoted.
So what do you have to write? It turns out that you
Here's something I would like to grind into various people programmingcallback email address verification:
Don't do callback email address verification with a MAIL FROM of <>unless the address has actually sent you email .
Why? Because if an address never sends any email to start with, it maynot be willing to receive bounces (the major source of email from <>).Blocking null MAIL FROMs from sending email to such addresses is acompletely rational way to block bad bounces from forged spam runs.
The
After yesterday , I decided to spend some timeworking out how many of the root DNS servers are reachable overour Internet II link. The answer surprised me: 9 out of the 13root nameservers are reachable over Internet II .
(The necessary disclaimer: your view of what is reachable over InternetII may well vary from ours due to routing and local policy issues.)
We prefer to send packets over our Internet II link, so working out thisnumber was relatively simple. I got a list of the IP
亨利‧戴維‧梭羅(Henry David Thoreau)的《公民抗命》 ,原題為〈對市政府的抵抗〉(Resistance to Civil Government ),發表於1848年的演講,翌年收於《 人類學論文集》。
為了行動找著依據,小弟抗命將
十二月二十(wed)、二十一(thu)及二十三(sat)
---廣邀所有市民參與
甲)活動內容:
天星事件盡露香港政府在規劃事務上的專橫與不民主,就此我們了解到,要爭取,就要人民積極參與,故特設〔人民
最近看到有一些 Blogger 都加入了 Snap Preview 的功能,就是當滑鼠在連結上時,會自動彈出該網站的抓圖。對此,有些 Blogger 覺得這增加了實用性,有些則覺得彈出來的圖很煩人和阻礙閱讀。
我自己定期有做網摘,所以我覺得這個預覽功能應該能