A good article to read. It made me to rethink the GUI programming with event-driven pattern.
Cautious about the limit of color number in Perl GD package
In the recent Perl hacking, I used GD package a lot to do image processing like region labeling and border tracing. I used GD to access the pixels. I ran into a very wired bug that the region labeling code in some cases failed to identify the regions of interest ...
Linux 'ldd' equivalence on Cygwin?
Run "cygcheck " and see if all DLLs it requires can be found. I used it on Cygwin to solve a shared library missing problem when I started octave. The lapack library(.dll) was not loaded because of its path was not in $PATH.
Search and replace in a visual selection
:%s/\%Vold/NEW/g
sbcl mmap cannot allocate memory?
Recently I want to give Common Lisp a try. After reading this great Common Lisp Implementation Survey, I decided to go first with SBCL. After installing the binary package of SBCL-1.0.45 on my openSUSE-11.1 x86-64bit with 8Giga memory, I ran into this annoying error message when I ...