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Importing modules from parent folder

... edited Jan 12 '17 at 18:30 MERose 2,79255 gold badges3535 silver badges6060 bronze badges answered Apr 3 '09 at 14:09 ...
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Linux equivalent of the Mac OS X “open” command [closed]

I've found the "open" command in Mac OS X very handy in the command line. From "man open": 7 Answers ...
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Proxies with Python 'Requests' module

...st.getproxies()) It works really well and urllib knows about getting Mac OS X and Windows settings as well. share | improve this answer | follow | ...
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Why is creating a Thread said to be expensive?

...tem calls need to be made to create / register the native thread with the host OS. Descriptors need to be created, initialized and added to JVM-internal data structures. It is also expensive in the sense that the thread ties down resources as long as it is alive; e.g. the thread stack, any objects...
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了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术

...系统查询和操作。由于这个原因,程序员不得不使用本机操作系统提供的应用程序编程接口(Application Program Interfaces,API),而这使得代码不能在平台之间移植。以下面的简单情况为例:您需要确定某个文件是否是 Directory 类型...
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How to create full compressed tar file using Python?

... a .tar.gz (aka .tgz) for an entire directory tree: import tarfile import os.path def make_tarfile(output_filename, source_dir): with tarfile.open(output_filename, "w:gz") as tar: tar.add(source_dir, arcname=os.path.basename(source_dir)) This will create a gzipped tar archive contain...
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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?

...the bitness of this JVM with: System.getProperty("sun.arch.data.model"); Possible results are: "32" – 32-bit JVM "64" – 64-bit JVM "unknown" – Unknown JVM As described in the HotSpot FAQ: When writing Java code, how do I distinguish between 32 and 64-bit operation? There's no public API th...
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通过 ulimit 改善系统性能 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

通过 ulimit 改善系统性能本文介绍了 ulimit 内键指令的主要功能以及用于改善系统性能的 ulimit 使用方法。通过这篇文章,读者不仅可以了解 ulimit 所起的作用,并且可以学会如何更好地通过 ulimit 限制资源的使用来改善系统性能...
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An operation on a socket could not be performed because the system lac...

An operation on a socket could not be performed because the system lacked sufficient buffer space(由于系统缓冲区空间不足,或者因为队列已满,不能执行套接字上的操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务...
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An operation on a socket could not be performed because the system lac...

An operation on a socket could not be performed because the system lacked sufficient buffer space(由于系统缓冲区空间不足,或者因为队列已满,不能执行套接字上的操作)An-operation-on-a-socket-could-not-be-performed-because-the-system-lacked-sufficient-buffer-space服务...