Tagged Questions
Python is a dynamic and strongly typed programming language designed to emphasize usability. Two similar but incompatible versions of Python are in widespread use (2 and 3). If you have a version-specific Python question consider using the python-2.7 or python-3.x tags in addition to the python tag.
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2 views
Applying regex to different parameters - Python
I'm always aware of asking regex questions, but this one is really interesting:
I have a URL and a file name, for example:
filename = "foobar.png"
url = "https://foo.com/files/foobar_[thumbnail ...
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0answers
2 views
applying function to all columns in an numpy array
I am extremely new to numpy.
Just wondering why does this not work.
print items['description']
Yields
0 Продам Камаз 6520 20 тонн
1 ...
0
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0answers
9 views
Python Consistently Crashes after ~2 minutes of running
I've been working on OpenCV for gesture detection, and a few days ago python just randomly started crashing. It happens about 2 minutes after I start running the app, and I don't really know why. Can ...
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votes
0answers
8 views
Python: Tokenization and evaluation of math expressions
PREFACE: I want to do this without any libraries like sympy and built-in functions like eval() because I want to do this to understand how CAS's work.
I've been working on a simple Computer Algebra ...
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votes
0answers
2 views
Removing QLineEdit proxy widget from QGraphicsScene on returnPressed
What I would like to do is have a QLineEdit appear in my QGraphicsView when a QGraphicsTextItem is added to the scene. The line edit is only being used to set the text of the QGraphicsItem when ...
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votes
4answers
32 views
Function is printing multiple times
I've written a function that takes as input a positive integer n and recursively returns a list of factorial values 1!, 2!, . . . , n!.
However, I can't get it to print the list just a single time. ...
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votes
0answers
9 views
Is there a way to open more then one program at a time in python.
I want to write a python program that with one click I can open several different files, gmail and I.E. to a particular web address at work. I know the following will open calculator but once it ...
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0answers
6 views
Improve speed of spark app
This is part of my python-spark code which parts of it run too slow for my needs.
Especially this part of the code, which I would really like to improve it's speed but don't know how to. It currently ...
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0answers
2 views
using devstack install tacker got sqlalchemy.exc.InternalError
when i install tacker using devstack i got this err
http://docs.openstack.org/developer/tacker/install/devstack.html Install from master
2016-06-12 10:32:57.827 | INFO [alembic.runtime.migration] ...
-1
votes
1answer
14 views
make multiple lists based on pattern python
I have a .txt file with info on just about each line. I'd like to create a list of everything, and have each list item be a list with each line of info separated by a br. visually, im given this:
234
...
1
vote
0answers
6 views
How can I tell between these two buttons in Selenium? (Picture of HTML inside)
I'm running Selenium on Python and I can't figure out how to tell these buttons apart so that I can click one with Selenium. I need to click option 1. I can't figure out how to get any important data ...
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votes
2answers
19 views
List comprehension - Iterating over nested lists
I am trying to write a function that searches nested lists in their entirety to return all lists that contain a certain word, but this only returns None
word = "what song?"
def searchSong(mp3_list, ...
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votes
0answers
11 views
Using NLP to Extract Information from check-ins and Comments
We're CS students and we're working on a recommendation system for our GP.
Our data set contains users and the places they have visited, we want to use NLP to translate those places into activities.
...
0
votes
0answers
3 views
Operation timed out error in Cassandra cluster
My cluster size is 6 machines and I often times receive this error message and I don't really know how to solve this:
code=1100 [Coordinator node timed out waiting for replica nodes' responses] ...
0
votes
0answers
7 views
how to Add custom sizes to order items in Cartridge
I am learning Mezzanine+Cartridge as I am trying to make a shop site for men custom suits. I've been looking into Cartridge shop source code and trying to figure out how to allow customers to add ...
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