安裝
linux 安裝請參考官方文檔
$ sudo mv pycharm-professional-4.0.1.tar.gz /opt/
$ cd /opt/
$ sudo tar -xzvf /opt/pycharm-professional-4.0.1.tar.gz
$ sudo rm pycharm-professional-4.0.1.tar.gz
$ sudo ln -s /opt/pycharm-4.0.1/bin/pycharm.sh /usr/bin/pycharm
雜亂問題集
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need to install a parser library?
當試圖用 BeautifulSoup 解析網頁為 lxml 格式時，提示如下（系統 OS X EI Capitan 10.11.6 (15G31)）：
Couldn't find a tree builder with the features you requested: lxml. Do you need to install a parser library?
可能是缺少相應的解釋環境，只要打開 Preferences -> Project: XXX（XXX 是工程名）->Project Interpreter 改變解釋器，或添加需要的 Packages
