The first century starts at 0001-01-01 00:00:00 AD, although they did not know it at the time. This definition applies to all Gregorian calendar countries. There is no century number 0, you go from -1 to 1. If you disagree with this, please write your complaint to: Pope, Cathedral Saint-Peter of Roma, Vatican.

Seen on PostgreSQL Documentation

Many people speak about the future of web applications, but I would like to stop and comment on the present. I have been observing a curious phenomenon throughout the recent years. I have seen a backwards movement as far as the way of the social communications on the Internet are concerned. For example, I can spot similarities between Twitter and the IRC, which is still in use, but not like few years ago. The first difference that I have noticed is the transmission time. The communication by IRC is synchronous, whilst the communication on Twitter is unsynchronous.

An unsynchronous communication has some advantages. The main advantage is probably the null intrusivity. An unsynchronous method is not intrusive. We can find an analogous example on the use of phone or email. When someone phones you, you have to stop what you are doing in order to answer the call. On the other hand, if someone sends you an email you can read it whenever you like. Obviously the priority plays an important role, for example if you have something urgent to say, an unsynchronous method is not the most appropriate way.

Another advantage of an unsynchronous method is the possibility of reading (or listening, or watching) a document wherever and whenever you like. It is not possible to do this using a synchronous method.

In my opinion, this regressive trend is an intelligent movement.

Thierry Henry’s amazing goal against Celtic Glasgow.

I was thinking of buying the new Canon EOS 450D (released on 24th January), but taking a look at the improvements from the Canon EOS 400D I have reached the conclusion that it doesn’t worth to pay the price difference. I bought yesterday the camera with the standard kit lens (EFS 18-55 mm). Now I’m going to upgrade my forgotten Flickr account and start uploading new pictures!