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I needed to distinguish two identical keyboards in X11 for multi-seat setup.

I had to digitize an old book with yellowed pages and the following bash command helped me to do the job. convert is part of ImageMagick package. pdft...

早期我用Windows時，用光碟備份了很多中文檔名的文件。當時還沒有Unicode，所以檔名是以Big5編碼。在Linux下，如果mount CD時沒有指定原編碼系統，所有的Big5中文檔名會被視為raw ASCII，直接轉成utf-8。比方說，檔名 台北.txt 就變成 ÑxÑ.txt 。 轉回來...

In linux, I mounted a raided lvm in /mnt/raid/home and bind it to /home. I also have /mnt/raid/shared/Music and other directories to be shared across...

A friend asked me to recommend a scorewriter and I'd like to share some of my personal experiences. I had used various scorewriters, from a very early...

Some keys (G2 - C3) on my old 61-key Yamaha PSR keyboard quit working so I spent a Sunday afternoon fixing it. It took me a while to figure out what t...

If you are responding to one of my posts, please leave your comments there. If you have a reason to send me a private message, read on. However, pleas...

My friend Prof. Chen-Gia Tsai , a brilliant musicologist who has solid background in physics and ethnic music, posted some comments on whether the mat...