2016年9月17日

How to fix updating ubuntu apt-get problem

摘要： It's my new PC with a new os of ubuntu. every time when I want to install software or update apt-get, this error will appear: First, as the most usual 阅读全文

posted @ 2016-09-17 21:47 J·Marcus 阅读(219) 评论(0) 推荐(0) 编辑

python:how does subclass call baseclass's __init__()

摘要： First, use baseclass's name to call __init__() I wrote code like this: and we can use 'super' too. 阅读全文

posted @ 2016-09-17 20:33 J·Marcus 阅读(209) 评论(0) 推荐(0) 编辑

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