Linear: Runs a list of tasks/flows, one after the other in a serial manner.Unordered: Runs a set of tasks/flows in any order, usually run in parallel manner and have no dependencies between tasks.Graph: Runs a graph (set of nodes and edges between those nodes) c...【阅读全文】
一、问题 官网下载Python2.7(python-2.7.13.msi),安装后启动提示错误,ImportError: No module named site 二、解决 1、这个问题是Python环境变量错误引起的,一般是之前安装过Python,卸载后没把环境变量去掉。 2、或者安装Python时选择了最下面一项,把Pthon加入环境变量,但它默认设置PYTHONHOME=C:\Python27,但...【阅读全文】
转自 http://www.cnblogs.com/alan-babyblog/p/5147770.html句话经典的概括了这段代码的意义:“Make a script both importable and executable”意思就是说让你写的脚本模块既可以导入到别的模块中用,另外该模块自己也可执行。这句话,可能一开始听的还不是很懂。下面举例说明:...【阅读全文】