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Nowadays, drag and drop is a frequently seen feature on touch screen devices. Tthis post introduces the basic idea of how to implement drag ...

nook's battery is advertised to be able to run for around 10 days if users trun off the wifi. But my nook can only run for 4 days at max...

offsetof is a widely used means in c and c++ to find out the offset of a member variable in its struct or class. The most normal way to imp...

Finally, after more than two weeks' waiting, my nook was delivered to me. nook and accessories: screensaver: main menu: viewing pdf...

Logging is a widely used debugging means. As a way of implementing logging, I saw printf used in a lot of places. It's so quick and easy...

To be able to paste something to vim's command line is a feature makes our life a lot easier. For instance, say we want to change a freq...

Profiling is an effective way of finding out bottlenecks in an application. On windows ce platform, profiling can also be done easily. To...

I generated a pdf file from a word document with word 2007. But the pdf file looks very uncomfortable in my pdf viewer. So I looked it close...

ipython doesn't work with built-in pdb debugger. While I tried to debug a python script with " run -d script.py " within ipyt...

ipython is a powerful interactive shell for python. With it, we can tak advantage of python programming language in our daily works. One o...

ffmpeg is a powerful media library. It provides ffserver tool that can be used to setup a streaming server. Here is how to compile ffmpeg...

A common task we may want to achieve while creating a media application is to start media playback on a new thread, as the sample below show...