July 2017
Intermediate to advanced
398 pages
11h 54m
Chinese
Content preview from Python数据处理
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高级
Python
设置
｜
357
你的输出应该看起来类似这样：
New python executable in test/bin/python2.7
Not overwriting existing python script test/bin/python (you must use
test/bin/python2.7)
Installing setuptools, pip...done.
如果你想要使用
Python 3+
创建环境，而不是
Python 2.7
，那么你要定义
python
变量，使其指向
Python 3
。首先，定义
Python 3
实例的位置：
which python3
你的输出应该看起来类似这样：
/usr/local/bin/python3
现在，在你的
mkvirtualenv
命令中使用它来定义
Python 3+
环境：
mkvirtualenv test --python=/usr/local/bin/python3
你应该会看到“
(test)
”添加到了控制台提示的开端。这意味着环境现在已经激活。
如果你的输出为
-bash: mkvirtualenv: command not found
，那么你的控制台
没有识别出
virtualenvwrapper
。首先，检查并确认在运行这段代码前打开了
新的控制台或
cmd
窗口，这确保新的设置被应用。如果这不是问题，那么浏
览整个过程并确认跟随了所有的步骤。
如果你成功地创建了虚拟环境，那么你完成了设置！
让我们禁用虚拟环境并摧毁它，因为这只是一个测试。运行下面的命令来移除 ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.