Is there a more syntactically concise way of writing the following? gen = (i for i in xrange(10)) index = 5 for i, v in enumerate(gen): if i is index: return v It seems almost natural that a generator should have a gen[index] expression, that acts as a list, but is functionally identical to the above code. ...
Hey everyone, I've recently been playing around with Google's AppEngine and I seem to have gotten stuck. I'm trying to create a query that selects posts that are before a certain date (in this case, the date is now - 1 day). I've tried a few different methods in order to accomplish this, but none have worked. One of which involved conve...
from distutils.sysconfig import get_python_lib; print get_python_lib() Returns: /usr/lib/python2.6/site-packages import sys; print sys.path Returns: ['', '/usr/lib/python2.6/site-packages/Django-1.1.1-py2.6.egg', '/usr/lib/python2.6/site-packages/pip-0.6.3-py2.6.egg', '/usr/lib/python2.6/site-packages/TRML2PDF-1.0-py2.6.egg', '/usr/...
So, I'm trying to append to one list the reverse of a subset of another list. For some reason, the interpreter doesn't seem to be liking it. Here's what I'm doing. list1.extend(list2[someInt:someOtherInt].reverse()) Why is this not legit? It seems reasonable to me.. ...
Hi, I'm creating a game for my sister, and I want a function to return a list variable, so I can pass it to another variable. The relevant code is as follows: def startNewGame(): while 1: #Introduction: print print """Hello, You will now be guided through the setup process. There are 7 steps to this. You ca...
Is there any advantage to using numpy when you're doing a large number of operations on lists of binary values? How about integers within a small range (like just the numbers 1,2, and 3?) ...
I am trying to find a clever way to convert a super class into a subclass using python. Here is the situation: class Super(): anAttribute = '' class Sub(Super): anotherAttribute = '' I have a function which returns me a list of type Super which I need to convert to a Sub, modify slightly and pass on to the next portion of my ...
I've been reading a beginner python book How to Think Like a Computer Scientist: Learning with Python, and wanted to knwo what to read now that I'm finished with it. Or, maybe what to do now? I don't still feel like a strong enough coder :/ Can anyone recommend a more advanced book or what they did to become a great programmer after rea...
I have a very simple python script that uses pySerial to send data over the serial port to my arduino. When I execute this line-by-line in the python shell, it works just fine, but when I put it in a ".py" file, and try to run it, nothing happens. Though the Serial lights on my UART do flash. So something is getting through, but it's ...
I am looking for a way to create html files dynamically in python. I am writing a gallery script, which iterates over directories, collecting file meta data. I intended to then use this data to automatically create a picture gallery, based on html. Something very simple, just a table of pictures. I really don't think writing to a f...
I'm playing with Python imaplib (Python 2.6) to fetch emails from GMail. Everything I fetch an email with method http://docs.python.org/library/imaplib.html#imaplib.IMAP4.fetch I get whole email. I need only text part and also parse names of attachments, without downloading them. How this can be done? I see that emails returned by GMail ...
Hi:) I am not able to figure out what the error in the program is could you please help me out with it. Thank you..:) The input file contains the following: 3. भारत का इतिहास काफी समृद्ध एवं विस्तृत है। 57. जैसे आज के झारखंड प्रदेश से, उन दिनों, बहुत से लोग चाय बागानों में मजदूरी करने के उद्देश्य से असम आए। ( its basically sample se...
I have two threads, one which writes to a file, and another which periodically moves the file to a different location. The writes always calls open before writing a message, and calls close after writing the message. The mover uses shutil.move to do the move. I see that after the first move is done, the writer cannot write to the file a...
I have made a command-line interface for virtualbox such that the virtualbox can be controlled from a remote machine. now I am trying to implement the commmand-line interface using python virtualbox api. For that I have downloaded the pyvb package (python api documentation shows functions that can be used for implementing this under pyvb...
what does it mean? i ve googled but found nothing =/ ImportError at /admin/ cannot import name formats Request Method: GET Request URL: http://127.0.0.1:8000/admin/ Exception Type: ImportError Exception Value: cannot import name formats Exception Location: /usr/lib/python2.6/site-packages/django/contrib/admin/util.py in <modul...
Hi, How to read a file in reverse order using python? I want to read a file from last line to first line. Any one can help me? Thanks in advance, Nimmy ...
i follow this article step by step http://wiki.developers.facebook.com/index.php/User:PyFacebook_Tutorial#Add_the_middleware 1。 2。 3。 i want to return my site, but it login facebook,how to return to my site ?? 4。 this is my settings in facebook. 5. i set this: Canvas Callback URL http://zjm1126qqcom.gicp.net:8000/ C...
Hi..:) I have a code which appends word positions to the words from the source file but the output is not coming as desired: The input file contains the following: 3. भारत का इतिहास काफी समृद्ध एवं विस्तृत है। 57. जैसे आज के झारखंड प्रदेश से, उन दिनों, बहुत से लोग चाय बागानों में मजदूरी करने के उद्देश्य से असम आए। The original sourc...
Hi is there a module that contains a function that calculate Factor Analysis (not PCA) in python? ...