Category: Technology

A bad system design can lead to much hard work. In order to increase the unit tests coverage, I recently started to work on writing unit tests for some classes. One of the case is I want to test a...

Since we recently start using docker for product release, I'm dealing with a lot of problems related with docker. One of the headache is sometimes, the running application performs different in...

Spend a whole night working on updating Hexo. It is much more complicated than I expected. For anyone's convenience, I record some key points when migrate from Hexo 2.x to 3.0 besides the official...

| --- | --- 1 | 0000 0000 to 0000 007F | 0xxxxxxx 2 | 0000 0080 to 0000 07FF | 110xxxxx 10xxxxxx 3 | 0000 0800 to 0000 FFFF | 1110xxxx 10xxxxxx 10xxxxxx 4 | 0001 0000 to 0010 FFFF | 11110xxx 10xxxxxx...

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