不要說三分鐘,平時三十秒的電視廣告,我們也會嫌長,這支廣告憑什麼?
可能,我們這些已經現實得有點可怕、看任何世事都只看到陰暗面的香港人,人情味愈沖愈淡,但,我希望你是少數的香港人。
看完這支廣告,大家都會

Rome, Italy is a truly beautiful city, and a very worthy destination for people of all ages. After having spent four days in Rome, and a couple weeks outside of Rome, I've learned a few things that would, in my mind, be helpful tips for anyone else following in my footsteps:
Here is a somewhat counterintuitive result (at least for me): supposethat you have the SHA1 hash of some value, SHA1(m) . If you know thelength of m, it is possible to work out the SHA1 hash of m, plussome magic, plus anything more of your choice. In the literature ,this is called an 'extension attack'. I think I understand why thisis so and basically why it has to be so, and now I'm going to
Rome Italy, 2009 - A video to wrap up my time in the Eternal City (I'm heading home in two days!):
A while back I wrote a little thing about process memory resourcelimits . Today I feel like elaborating on why this isa hard problem that people haven't solved yet.
Let's consider the simplest case possible: per-process RSS limits. Inthe abstract, this is simple; you keep track of how many physical pagesa process has in its page tables, and when a process that is at its RSSlimit wants to add a new page, it must first release its mapping foran existing one
不要說三分鐘,平時三十秒的電視廣告,我們也會嫌長,這支廣告憑什麼?
可能,我們這些已經現實得有點可怕、看任何世事都只看到陰暗面的香港人,人情味愈沖愈淡,但,我希望你是少數的香港人。
看完這支廣告,大家都會
I've begun working a lot more with Drupal multisites, as doing so saves a lot of time in certain situations (usually, when you have a large group of sites that use the same kinds of Drupal modules, but need to have separate databases and front-end information.
One problem I've finally overcome is the use of actual domain host names for development (i.e. typing in dev.example.com instead of localhost to get to a site). This is important when doing multisite