摘要：Add kernel python3 in jupyter http://ipython.readthedocs.io/en/stable/install/kernel_install.html After this, still can not use numpy, to install nump 阅读全文

摘要：a = np.arange(3) # a.shape = (3,) b = a.reshape((3,1)) # b.shape = (3,1) b2 = a.reshape((-1,1)) # b2.shape = (3,1) c = b.reshape((3,)) # c.shape = (3, 阅读全文

摘要：官方安装指南 https://github.com/yyuu/pyenv#homebrew-on-mac-os-x 注意： Rebuild the shim binaries. You should do this any time you install a new Python binary. 阅读全文