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Linux 后台运行python .sh等程序，以及查看和关闭后台运行程序操作
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PHPer的Go之路 -- 协程（go）及信道（channel）
Win10下安装tensorflow
ERROR: Exception: Traceback (most recent call last): File "/usr/local/lib/python3.7/site-packages/pip/_internal/cli/base_command.py", line 153, in _main
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ERROR: Could not install packages due to an EnvironmentError: [Errno 13] Permission denied: '/usr/local/lib/python3.5/dist-packages/pymongo-3.10.0.dist-info' Consider using the `--user` option or check the permissions.
并发与并行的概念