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How do I remove the “extended attributes” on a file in Mac OS X?

... script that runs a stress test. Part of the test is to open, save, and close certain files. Somehow, the files have picked up some "extended attributes" that prohibit the files from being saved. That causes the stress test to fail. ...
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如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术

...交叉验证中表现最好的。倘若你只是想针对你的问题寻找一个“足够好”的算法,或者一个起步点,这里给出了一些我觉得这些年用着还不错的常规指南。 How large is your training set? 训练集有多大? If your training set is sm...
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List directory in Go

...returns a list of sorted directory entries. The resulting slice contains os.FileInfo types, which provide the methods listed here. Here is a basic example that lists the name of everything in the current directory (folders are included but not specially marked - you can check if an item is a folde...
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Negation in Python

...herefore just replace your ! with not. For your example, do this: if not os.path.exists("/usr/share/sounds/blues") : proc = subprocess.Popen(["mkdir", "/usr/share/sounds/blues"]) proc.wait() For your specific example (as Neil said in the comments), you don't have to use the subprocess ...
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How to rename a file using Python

... Use os.rename: import os os.rename('a.txt', 'b.kml') share | improve this answer | follow ...
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How to redirect output with subprocess in Python?

... UPDATE: os.system is discouraged, albeit still available in Python 3. Use os.system: os.system(my_cmd) If you really want to use subprocess, here's the solution (mostly lifted from the documentation for subprocess): p = subpro...
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In Python script, how do I set PYTHONPATH?

... It has been many years since this answer was posted, but I still want to add that if you want to make sure that Python checks the new directory before all of the others when importing, you should put the new directory first in the list, as in sys.path.insert(0, '/path/to...
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Get path of executable

... There is no cross platform way that I know. For Linux: readlink /proc/self/exe Windows: GetModuleFileName share | improve this answer...
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Mysql ibdata 丢失或损坏如何通过frm&ibd 恢复数据 - 更多技术 - 清泛网 - ...

...结构,如果表结构没有丢失直接到下一步 a、先创建一个数据库,这个数据库必须是没有表和任何操作的。 b、创建一个表结构,和要恢复的表名是一样的。表里的字段无所谓。一定要是innodb引擎的。CREATE TABLE `weibo_qq0`( `weibo...
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What exactly is Python's file.flush() doing?

...t has been "permanently" stored on disk. To do that, you need to call the os.fsync method which ensures all operating system buffers are synchronized with the storage devices they're for, in other words, that method will copy data from the operating system buffers to the disk. Typically you don't ...