Related:
PRE-INSTALL: CONDA VS. PIP
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Pip requires apt. Thus, pip+apt. Pip chose to live together with apt (or other package manager) as apt is better at managing packages, especially when related to system. Some pip packages requires system (apt) to cooperate, such as uwsgi, graphviz, ffmpeg, gcc, python3-dev.
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ubuntu 11.10 64bit.
eric4 启动后窗口一闪即告崩溃。
命令窗口启动发现：
Connected to accessibility bus at: “unix:abstract=/tmp/dbus-5rwqiiCSZ1,guid=a3330f45019a77c867e77525000000a2”
Registered DEC: true
sudo 正常启动，无此提示，因此怀疑是环境变量的问题。
g后发现：
http://ubuntuforums.org/showthread.php?t=1861605
即：
export QT_ACCESSIBILITY=0
问题解决。
ps:
Accessibility in Qt
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by Geir Vattekar
Accessibility in computer software is the practice of making applications usable for people with disabilities. This can be implemented by the application itself — for instance, by using a high-contrast user interface with specially selected colors and fonts — or by providing support for external tools, such as screen readers and Braille displays. In this article, we will implement accessibility support for a custom widget. We will also look at support for assistive tools in Qt software development today.
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