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How to read a file in reverse order?
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Also, while the posted code does answer the question, we should be careful to close files that we open. The with statement is usually quite painless.
– William
Mar 7 '13 at 14:41
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Get last n lines of a file, similar to tail
...ctually accurate, you make the block size 2048 and you'll tail 20 lines almost immediately.
Also, I don't burn a lot of brain calories trying to finesse alignment with physical OS blocks. Using these high-level I/O packages, I doubt you'll see any performance consequence of trying to align on OS b...
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 ...
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need
...cessfully and work with a separate test file located here . In the Python script that causes this error, I have included this line:
from pageCrawler import comparePages
And in the pageCrawler file I have included the following two lines:
from bs4 import BeautifulSoup
from urllib2 i...
CALL command vs. START with /WAIT option
...other win is, that you don't have to deal with resetting variables in your scripts.
– linux64kb
Feb 3 '19 at 9:45
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What is the difference/usage of homebrew, macports or other package installation tools? [closed]
...e application: C + TCL. You don't need Ruby at all. To install Ruby on Mac OS X you might need MacPorts, so just go with MacPorts and you'll be happy.
MacPorts is really stable, in 8 years I never had a problem with it, and my entire Unix ecosystem relay on it.
If you are a PHP developer you can ins...
How do I match any character across multiple lines in a regular expression?
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@Allen - JavaScript doesn't support the s modifier. Instead, do [^]* for the same effect.
– Derek 朕會功夫
Jul 12 '15 at 22:26
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How do I determine file encoding in OS X?
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I was assuming that OSX stored the encoding as meta-data. I understood the file contents were just a cluster of bits and had no inherent encoding.
– James A. Rosen
Feb 12 '09 at 3:15
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Are there any HTTP/HTTPS interception tools like Fiddler for mac OS X? [closed]
... would like to know if there are any applications like fiddler but for mac OS X, as I need to debug some requests from web applications in Mac OS X. I used to do it with fiddler on Windows and would love to have this tool available on Mac as well.
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What and where are the stack and heap?
...d. The stack is always reserved in a LIFO (last in first out) order; the most recently reserved block is always the next block to be freed. This makes it really simple to keep track of the stack; freeing a block from the stack is nothing more than adjusting one pointer.
The heap is memory set asi...