I built gtk3.0 from source on openSUSE-11.1 x86-64bit. As expected, I ran into one annoying problem like this:

symbol lookup error: /opt/gnome/lib/libcairo-gobject.so.2: undefined symbol: cairo_region_destroy

I searched for the solution online. Someone suggested disabling gobject-introspection when compiling gtk3. But the default setting for ...

As you might know that I'm doing some image processing with Perl and GD module. However, iterating a whole 512x512 image, i.e. every pixels, is prohibitively slow in Perl. Here is the Inline module to rescue. After playing around with it in several minutes, yes, only several minutes ...

Sometimes I really miss the keyword 'in' in Python which is very common operation in programming to check if a object is in a set. I'm very glad to see the smart match ~~ in Perl 5.10 provides the similar feature.

http://en.wikipedia.org/wiki/Message_passing#Influences_on_other_programming_models

Alan Kay has argued[1] that message passing is more important than objects in OOP, and that objects themselves are often over-emphasized.

My long term confusion about the message passing and calling is answered here: http://en.wikipedia.org/wiki/Message_passing#Message_passing_versus_calling