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mmap() vs. reading blocks

I'm working on a program that will be processing files that could potentially be 100GB or more in size. The files contain sets of variable length records. I've got a first implementation up and running and am now looking towards improving performance, particularly at doing I/O more efficiently since...
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Test if executable exists in Python?

... search for set in %PATHEXT%. That's not great, but it might work for the all the cases someone needs. – rakslice Oct 3 '13 at 0:42 ...
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How to connect android emulator to the internet

... go to your Network connections, find your LAN card, right click it and choose disable. Now try your emulator. If you're like me, it suddenly ... works! share | improve this answer | ...
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How to use “/” (directory separator) in both Linux and Windows in Python?

...llapses redundant uplevel references... i.e., A/B and A/foo/../B and A/./B all become A/B. And if you are Windows, these all become A\B. share | improve this answer | follow...
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Open document with default OS application in Python, both in Windows and Mac OS

... open a document using its default application in Windows and Mac OS. Basically, I want to do the same thing that happens when you double-click on the document icon in Explorer or Finder. What is the best way to do this in Python? ...
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Windows batch: formatted date into variable

...nswered May 20 '14 at 8:59 richhallstokerichhallstoke 1,30111 gold badge1414 silver badges2525 bronze badges ...
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Using the rJava package on Win7 64 bit with R

I'm trying to install rJava on a computer with Win 7 64 bit. When I run 12 Answers 1...
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How do you do a simple “chmod +x” from within python?

... non-pythonic answer that may be a little more readable: subprocess.check_call(['chmod', '+x', 'somefile']) and let's you more easily do operations like a+rx. – Trevor Boyd Smith Aug 6 at 15:28 ...
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How do I determine the current operating system with Node.js

... the OS module better, it's even in the documentation. os.platform specifically – alessioalex Dec 30 '11 at 20:58 94 ...
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How to delete the contents of a folder?

...se an other filter in you path, for example : /YOU/PATH/*.txt for removing all text files in a directory. share | improve this answer | follow | ...