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• 50 sequences in one line

  - by user343934

  I have alignment file and long record in it. Suppose while displaying to an end user i want to show Sequence ID and 50 sequences in each line and continue further till the end of file. Can anyone suggest me algorithm or example code in python. Thanks in advance

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• Images not loading in QWebview in PyQt4 in py2exe

  - by Matt

  I have an application that displays some HTML in a QWebview, which references images on the local file system. This works fine directly running the python. When compiling via py2exe, the images no longer load. Google doesn't seem to know the answer, any ideas?

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• django development IDE

  - by Adam Carr

  I have done a little django development but it has all been in a text editor. I was curious what more advanced development tools others are using in their django development. I am used to using Visual Studio for development and really like the intellisense, code completion, and file organization it provides and would like to find something (or a combination of tools) that would provide some of this in the django/python environment.

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• ssh-rsa public key validation using a regular expression.

  - by Warlax

  What regular expression can I use (if any) to validate that a given string is a legal ssh rsa public key? I only need to validate the actual key - I don't care about the key type the precedes it or the username comment after it. Ideally, someone will also provide the python code to run the regex validation. Thanks.

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• Looking for a recommendation of a good tutorial on best practices for a web scraping project?

  - by in bruges

  I need to do a fairly extensive project involving web scraping and am considering using Hpricot or Beautiful Soup (i.e. Ruby or Python). Has anyone come across a tutorial that they thought was particularly good on this subject that would help me start the project off on the right foot?

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• can I use expect on windows without installing cygwin?

  - by Geo

  expect is a module used for spawning child applications and controlling them. I'm interested in python/ruby.

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• Case insensitive string columns in SQLAlchemy?

  - by Timmy

  can i create a case insensitive string column in sqlalchemy? im using sqlite, and theres probaby a way to do it through DB by changing collation, but i want to keep it in sqlalchemy/python.

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• I'm writing a spellchecking program, how do I replace ch in a string?

  - by Ajay Hopkins

  What am I doing wrong/what can I do? import sys import string def remove(file): punctuation = string.punctuation for ch in file: if len(ch) > 1: print('error - ch is larger than 1 --| {0} |--'.format(ch)) if ch in punctuation: ch = ' ' return ch else: return ch ref = (open("ref.txt","r")) test_file = (open("test.txt", "r")) dictionary = ref.read().split() file = test_file.read().lower() file = remove(file) print(file) This is in Python 3.1.2

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• Is PyOpenGL a good place to start learning opengl programing?

  - by Isaiah

  I want to start learning OpenGL but I don't really want to have to learn another language to do it. I already am pretty proficient in python and enjoy the language. I just want to know how close it is to the regular api? Will I be able to pretty easily follow tutorials and books without too much trouble? I know C++ gives better performance, but for just learning can I go wrong with PyOpenGL? Thanks alot

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• Convert date, datetime to timestamp

  - by Beau Martínez

  How can I produce a timestamp to millisecond accuracy from a date or datetime in Python? There are an overwhelming number of methods and ways of doing this, and I'm wondering which is the most Pythonic way.

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• How to "uninstantiate" an object?

  - by Mark

  I wrote a function in Python: def instantiate(c): if inspect.isclass(c): return c() elif isinstance(c, object): return c else: raise Exception, '%s is not an object or class.' % c Now I want to do the opposite: get the class from an already instantiated object so that I can re-instantiate it with different parameters. How can I do that?

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• Resize images in directory

  - by Eef

  Hey, I have a directory full of images that I would like to resize to around 60% of their original size. How would I go about doing this? Can be in either Python or Perl Cheers Eef

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• how to write nslookup programmatically?

  - by Jian Lin

  instead of using exec in our script to do an nslookup, is there an easy way to write it programmatically in PHP, Python, or Ruby?

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• Huffman coding two characters as one

  - by Adomas

  Hi, I need huffman code(best in python or in java), which could encode text not by one character (a = 10, b = 11), but by two (ab = 11, ag = 10). Is it possible and if yes, where could i find it, maybe it's somewhere in the internet and i just can'd find it?

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• Writing a program to scrape forums

  - by seanieb

  Hi, I need to write a program to scrape forums. Should I write the program in Python using the Scrapy framework or should I use Php cURL? Also is there a Php equivalent to Scrapy? Thanks

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• Image resizing web service

  - by gwik.

  Does someone know a good web service to resize images ? Either an open source (PHP/Python/Ruby) application, or a company providing a web service api.

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• What is the best method to remove duplicate image files from your computer

  - by BioGeek

  I have a lot of duplicate image files on my Windows computer, in different subfolders and with different filenames. What Python script or freeware program would you recommend for removing the duplictes? (I've read this similar question, but the poster there is asking about visual duplicates with differing filesizes. Mine are exact duplicates with different filenames.)

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• No module named objc

  - by user573949

  I'm trying to use cocoa-python with Xcode but it always calls up the error: Traceback (most recent call last): File "main.py", line 10, in <module> import objc ImportError: No module named objc This seems to be because dispite all my attempts to install or find objc and the other modules used by that file, they are simply not on my computer that I can tell, so does anyone know where I can download the actual files (or could put up their own copies?) as in objc.py, Foundation.py, AppKit.py and PyObjCTools.py?

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• Navigation graphics overlayed over video

  - by Hrishikesh Choudhari

  Hey, Imagine I have a video playing.. Can I have some sort of motion graphics being played 'over' that video.. Like say the moving graphics is on an upper layer than the video, which would be the lower layer.. I am comfortable in a C++ and Python, so a solution that uses these two will be highly appreciated.. Thank you in advance, Rishi..

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• how to convert the Interger date format into YYYYMMDD?

  - by ccfenix

  Python and Matlab quite often have integer date representations as follows: 733828.0 733829.0 733832.0 733833.0 733834.0 733835.0 733836.0 733839.0 733840.0 733841.0 these numbers correspond to some dates this year. Do you guys know which function can convert them back to YYYYMMDD format? thanks a million!

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• Tired of ASP.NET, which of the following should I learn and why?

  - by ke42

  Which of the following technology is easy to learn and fun for developing a website? If you could only pick one which would it be and why Clojure/Compojure+Ring/Moustache+Ring Groovy/Grails Python/Django Ruby/Rails Turbogear Cappuccino or Sproutcore Javascript/jQuery

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• Javascript (and HTML rendering) engine without a GUI for automation?

  - by MTsoul

  Are there any libraries or frameworks that provide the functionality of a browser, but do not need to actually render physically onto the screen? I want to automate navigation on web pages (Mechanize does this, for example), but I want the full browser experience, including Javascript. Thus, I'd like to have a virtual browser of some sort, that I can use to "click on links" programmatically, have DOM elements and JS scripts render within it, and manipulate these elements. Solution preferably in Python, but I can manage others.

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• Scraping data from Flash (Games)

  - by awegawef

  I saw this video, and I am really curious how it was performed. Does anyone have any ideas? My intuition is that he scraped pixels from the screen (one per 'box'), and then fed that into some program to determine the next move. Is scraping pixel-by-pixel the way to do this, or is there a better way? I am looking to do something similar with either Java or Python. Thanks

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• which is better to send mail on google-app-engine..

  - by zjm1126

  this: http://code.google.com/intl/en/appengine/docs/python/tools/devserver.html The web server can use an SMTP server, or it can use a local installation of Sendmail. i download the Sendmail lib,and find it is so big, and so many doc, i want to know which way is better, and if the Sendmail way is better, how to use it simplely, thanks

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• Check linux distro name

  - by Ockonal

  Hi guys, I have to get linux distro name from python script. There is dist method in platform module: import platform platform.dist() But it returns >>> platform.dist() ('', '', '') Under my Arch Linux. Why? How can I get the name. p.s. I have to check whether the distro is debian-based.

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