Miscellaneous

How I backup my data

Digital data is easy to copy and also easy to lose, due to (usually sudden) failure of electronic devices. A good habit is to backup regularly and in different locations. This post is about my solution to data backup. Classification of digital data Digital data can be classified according to their importance and sizes, and the following lists some of the categories based on their importance. Data that can be downloaded online Papers and e-books
2024-03-28
2 min read

說“肘後”

東晉葛洪有《肘後備急方》,取其卷帙短小,可以繫於肘後,隨時查閱的意思。兩漢魏晉時候的人往往會將隨身攜帶的飾物、印章等繫於肘後。文獻中雖然例子不多,但仔
2023-11-21
2 min read