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Argparse optional positional arguments?

...gument. – Karthik Sunil Aug 19 at 9:27 add a comment  |  ...
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How to delete a file or folder?

... os.remove() removes a file. os.rmdir() removes an empty directory. shutil.rmtree() deletes a directory and all its contents. Path objects from the Python 3.4+ pathlib module also expose these instance methods: pathlib.P...
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How to debug Lock wait timeout exceeded on MySQL?

...9956, OS thread id 1192212800 MySQL thread id 5341758, query id 189708501 127.0.0.1 lwdba show innodb status ---TRANSACTION 0 620783788, not started, process no 29956, OS thread id 1196472640 MySQL thread id 5341773, query id 189708353 10.64.89.143 viget ---TRANSACTION 0 0, not started, process no 2...
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How do I determine the target architecture of static library (.a) on Mac OS X?

... Paul Du Bois 1,88911 gold badge1919 silver badges2727 bronze badges answered Apr 14 '10 at 10:20 Václav SlavíkVáclav Slavík ...
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In OS X Lion, LANG is not set to UTF-8, how to fix it?

...u003cpath fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M25.6622 17.6335C27.8049 17.6335 29.3739 16.9402 30.2537 15.6379C30.8468 14.7755 30.9615 13.5579 30.9615 11.9512V6.59049C30.9615 5.28821 30.4833 4.66231 29.4502 4.66231C28.9913 4.66231 28.4555 4.94978 28.1109 5.50789C27.499 4.86533 26.7335 4....
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Handler is abstract ,cannot be instantiated

... answered Aug 28 at 15:27 Atharva KulkarniAtharva Kulkarni 111 silver badge11 bronze badge ...
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Merge PDF files

...d Windows support output support based on stackoverflow.com/questions/2374427/…. – Gilles 'SO- stop being evil' Mar 23 '18 at 18:20 ...
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第一个Hello,OS World操作系统 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

第一个Hello,OS World操作系统hello_os_word_my_first_os操作系统并非我们想象中的深不可测、遥不可及,只要你对它感兴趣并随我一起动手实践,你也能开发出属于自己的os。本文通过一个最简单的os,完成Hello, OS World文字的输出来演示os...
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Subprocess changing directory

... answered Oct 3 '19 at 18:27 FrancoisFrancois 44822 silver badges1212 bronze badges ...
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微软VS苹果 桌面操作系统的终极一战 - 创意 - 清泛网 - 专注C/C++及内核技术

... 桌面操作系统的终极一战苹果将在九月份推出正式版的OS X El Capitan。虽然对于苹果来说,这看上去只是每年一次的例行升级,不过结合微软在7月底的大动作,今年的桌面操作系统大战,很有可能是这两家巨头厂商对于抢夺用户...