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Why are stale header values still around when uploading a subsequent Item to archive.org using ia-wrapper?
Question: I mirrored a batch of videos from EuroPython2014 on archive.org using the
master of ia-wrapper. As discussed in [#64](https://github.com/jjjake/ia-
wrapper/issues/64), metadata from the previous upload s... |
Python program prints an extra empty line when reading a text file
Question: I'm using python 3.3. I have a text file with three lines of text, as an
example. I want to select a number and it will display the contents of that
line number. For some reason, it prints the line I want, and prints an empty
line below it.
T... |
AttributeError: 'module' object has no attribute 'postDirectOrder'
Question: I'm trying to use this python package <https://pypi.python.org/pypi/pesapal>
in one of my projects.
But I noticed that for some weird reason the author stuffed all the logic in
the [`__init__.py` file](https://github.com/kelonye/python-
pesap... |
scrapy how to import the settings to override it
Question: this is my code
class Test(Spider):
self.settings.overrides['JOBDIR']= "seen"
I got:
File "C:\Python27\lib\site-packages\scrapy\spider.py", line 46, in settings
return self.crawler.settings
File "C:\Py... |
system cannot find the specified file python subprocess
Question: I am trying to run a simple command in python:
from subprocess import *
check_output("ls")
When I run this it raises
Error:
WindowsError: [Error 2] The system cannot find the file specified
Answer: `... |
Need to dump entire DOM tree with element id from selenium server
Question: I have been using python selenium for web automation testing. The key part of
automation is to find the right element for a user-visible object in a HTML
page. The following API will work most of the time, but not all the time.
f... |
Python NLTK tokenize sentence with wrong syntax from human errors
Question: I am looking for a way to handle sentence tokenizing task well.
I have this text extracted from a human written review for a restaurant
Nevertheless, the soup enhances the prawns well.In contrast, the fish offered is fresh and w... |
Openpyxl missing 'jdcal'
Question: I tried to install the `openpyxl` module, but during the installation it
showed some errors with `JDcall`. When I then try to import it, I get this
error:
Traceback (most recent call last):
File "C:\Andrzej\workspace\sandbox\sandbox.py", line 7, in <module>
... |
Keep getting some permission denied error
Question: I keep getting some permission denied error, what is that?
Every time when I am trying to install anything, the same permission denied
error message I get in python, in nltk tool
> error: could not create '/usr/local/lib/python2.7/dist-packages/nameparser':
> Permis... |
python finding multiple occurrences between 2 delimiter
Question: i'm trying to find multiply occurrences between 2 delimiters using regex.
Unfortunately i can't figure out how. The 2 delimiters are ' and ':
import re
string = "'lightOff' 'lightOn':,'lightOff' 'ovenOff' 'ovenOn': None 'radioOn': 'rad... |
To print a particular folder name in python?
Question: I've made a script in python which scans all the folders and sub-folders and
then prints all the folders and subfolders which begin with the word Hello.
Now I need to implement a change which is that I should be able to print any
folder which has the word Hello. L... |
PyCUDA NPP Library Compatability
Question: I've been trying to access the Nvidia Performance Primitives library through
Python, and I found a very useful tutorial last updated in 2011 at this site:
<http://openvidia.sourceforge.net/index.php/OpenVIDIA/python>
However, after downloading the CUDA 6.0 toolkit I can't see... |
importRows Google Fusion Tables API
Question: I would like to import rows from csv file to fusion table using the Google
fusion tables API, I read [this
reference](https://developers.google.com/fusiontables/docs/v1/reference/table/importRows),
but I don't understand how to post my csv file here:
<https://www.googleapis... |
Google cloud sql: Lost connection to MySQL server at 'reading initial communication packet'
Question: I've set up a default django/django-wiki project. Local tests work fine.
Connecting to cloud sql from the local server (with
`google.appengine.ext.django.backends.rdbms`) doesn't work, I believe due to
some authenticat... |
Trying to apply CPS to an interpreter
Question: I'm trying to use CPS to simplify control-flow implementation in my Python
interpreter. Specifically, when implementing `return`/`break`/`continue`, I
have to store state and unwind manually, which is tedious. I've read that it's
extraordinarily tricky to implement except... |
Python multithreaded ZeroMQ REQ-REP
Question: I am looking to implement a REQ-REP pattern with Python and ZeroMQ using
multithreading.
With Python, I can create a new thread when a new client connects to the
server. This thread will handle all communications with that particular
client, until the socket is closed:
... |
exe generated from a python script with Py2exe does not work on xp
Question: I have a python script that works fine on my computer (Python 2.7 32 bit
installed). It has the following imports :
import mechanize
from bs4 import BeautifulSoup
from Tkinter import *
import jso... |
ImportError: No module named ... after spyder install
Question: Anaconda Spyder is supposed to include numpy, scipy etc with the installation.
Someone has installed Spyder for me on Windows 7 but if I try to `import
numpy` or `scipy` , I get this error:
import numpy as np
ImportError: No module named... |
Parsing ip address with dpkt
Question: I am using dpkt to parse a pcap file, however I am confused about how to
extract the destination ip address. I am parsing the packets using `eth =
dpkt.ethernet.Ethernet(buf)` which returns an ethernet object which looks like
the following:
Ethernet(src='\x00\x1a\xa... |
Exchange Time for Memory in Python
Question: Challenge here is in evaluating multiple large files.
What coding will instruct Python to "load" a limited number of files into
memory, process them, garbage collect and then load the next set?
def main(directory):
"""
Create AudioAnalysis Obj... |
Using urlparse to remove a certain string?
Question: I have this URL:
www.domain.com/a/b/c/d,authorised=false.html
and I want to convert it into
www.domain.com/a/b/c/d.html
Please note I am using python 2.7.
from urlparse import urlparse
url = "www.domai... |
parsing python to csv
Question: I'm trying to download some game stats to do some analysis, only problem is
each season the data their isn't 100% consistent.
I grab the json file from the site, then wish to save it to a csv with the
first line in the csv containing the heading for that column, so the heading
would be ... |
rPython using wrong python installation on Mac OSX
Question: I've installed python 2.7.8 alongside the 2.7.5 which comes with OSX 10.9.4.
Now how can I point `rPython` to python 2.7.8?
## Attempt #1
I've modified the OSX `.bash_profile` as follows to point everything to the
newer python installation.
... |
py2app: modulegraph missing scan_code
Question: For some reason I can't explain or google, py2app crashes on me even with the
simplest examples. Im using a python 3.4.1 virtual environment created as
`Projects/Test/virtenv` which has py2app installed via pip.
Here is the output of `$pip list`:
altgraph ... |
How do I perform some operation on the output of a function in Python?
Question: I am trying to make a function's output behave as if it's my input. The goal
is to make a new output from the old output.
I have some code that looks like this:
def func():
BLOCK OF CODE
func()
T... |
How to run port lookup command in python subprocess
Question: I am using terminal command
while ! echo exit | nc 10.0.2.11 9445; do sleep 10; done
in my commandline to lookup port in my remote machine.( it is working fine). I
want to do this operation inside my python script. I found subprocess and... |
Using pandas Combining/merging 2 different Excel files/sheets
Question: I am trying to combine 2 different Excel files. (thanks to the post [Import
multiple excel files into python pandas and concatenate them into one
dataframe](http://stackoverflow.com/questions/20908018/import-multiple-excel-
files-into-python-pandas... |
The number of tries never increments by more than one in Python - help please?
Question: Whenever it takes me several tries to beat the game, it always says the
number_of_guesses is 1, which isn't true. What have I done wrong?
My code:
import random
print("Welcome to Rock, Paper, Scissors. \nYo... |
Migrate a database in Django
Question: I am getting started with Django through
[this](http://www.youtube.com/watch?v=3DccH9AMwFQ) beautiful video tutorial.On
Tutorial 15 of the video series, there is database migration using **south**.
But when I do `python manage.py migrate signups`, I got a whole lot of errors.
The ... |
sphinx autosummary with toctree also lists imported members
Question: I use Sphinx and autosummary to produce the documentation of a Python
software. It works well but the produced .rst files also list the imported
functions and classes, which is not the behaviour I would like.
For example a package "packageex" with t... |
Python SQLAlchemy: Mapping a PostGIS geom field
Question: SQLAlchemy maps DB columns to object members in Python. [For
example](http://docs.sqlalchemy.org/en/rel_0_9/orm/tutorial.html):
class User(Base):
__tablename__ = 'users'
id = Column(Integer, Sequence('user_id_seq'), primary_key=Tru... |
How to make a multithreaded system work on same dictionary in python
Question: I have a system designed to take data via a socket and store that into a
dictionary to serve as a database. Then all my other modules (GUI, analysis,
write_to_log_file, etc) will access the database and do what they need to do
with the dicti... |
Memoizing an entire block in Python
Question: Say I have some code that creates several variables:
# Some code
# Beginning of the block to memoize
a = foo()
b = bar()
...
c =
# End of the block to memoize
# ... some more code
I would like to **memoize** the ent... |
Connecting to ES using python script
Question: I am trying to connect and retrieve data from a ES engine.
I am using the following script:
from elasticsearch import Elasticsearch as ES
print "Setup connection..."
es=ES(['http://elasticsearch......com:9200/cuevents-2014.34,cuevents-2014.33/_... |
My csv export download button is broken
Question: I am using cherrypy to run an interactive website and although the python
function to generate the CSV seems to be working (if you interact with it
directly, my browser downloads it), it does not seem to be giving the user
this CSV file when I embed it in a form request... |
loading javascript into ipython notebook
Question: I am trying to import the following three js libraries. They all work except
for crossfilter.js. Can anyone tell me what I am doing wrong?
import jinja2
from IPython.display import display, Javascript, HTML
%%javascript
require.config({
... |
How to create directory in specified path?
Question: I want to create directory. This is the code:
from os import mkdir
mkdir(*name of new directory*)
When run from terminal, this creates directory in the folder that contains
this python script. How to specify a path where I want to create... |
(Python, pandas) adding an extra column, to the combined/merged Excel files
Question: Hello all…I am wondering how it is possible to add an extra column, to the
combined/merged Excel files. (thanks to the help to my [previous
question](http://stackoverflow.com/questions/25400240/using-pandas-combining-
merging-2-differ... |
Using weak pointers that evaluate to a None type
Question: In my implementation for python integration into a c++ application, I am
adding support for nodes that might or might not be valid. Internally these
are stored as weak pointers, so I was thinking of having an isValid() method
that users can use before calling t... |
Scrapy tutorial only crawling one page - tried everything in the current SO answer pages
Question: I'm having a problem with the Scrapy tutorial. No matter what solutions I
enter from others' questions about Scrapy only crawling one page that I've
found on the web (including all of them on SO), it only crawls one page.... |
Gtk-WARNING: Unable to locate theme engine in module_path: "wimp"
Question: I developed an Gtk Application that works on Windows. I use pyInstaller to
build one exe file. Everything would be OK if not for the theme that not
loads.
**So, I have my spec file:**
# -*- mode: python -*-
directory = ... |
Detail AttributeError: 'module' object has no attribute 'workbook'
Question: I keep getting the Detail `AttributeError: 'module' object has no attribute
'workbook'` error.
below is my code
import xlwt
workbook = xlwt.workbook()
sheet = workbook.add_sheet('Eswar')
sheet.write (... |
Python embedded in C++ try_rich_compare error on types
Question: I have an error in my program, which appears to be something to do with
comparing two object types in python. Here is the error from gdb
Program received signal SIGSEGV, Segmentation fault.
0x00007fffc3acd35c in try_rich_compare (v=... |
Python last 60 end-of-months
Question: This is my first post here so please let me know if I'm doing this wrong...
I'm looking to take the last day of each month for the last 60 months, from a
reference date.
For example, if the reference date is today (Aug 21 2014), then the last end
of month is July 31st, 2014, and... |
Passing a list of indices to another list in Python. Correct syntax?
Question: So I have the following code from sklearn:
>>> from sklearn import cross_validation
>>> X = np.array([[1, 2], [3, 4], [1, 2], [3, 4]])
>>> y = np.array([1, 2, 3, 4])
>>> kf = cross_validation.KFold(4, n_folds=2)
... |
Trying to run django with gunicorn (Worker failed to boot)
Question: I have been trying to deploy django using nginx and gunicorn, currently
running into an issue right off the bat, I followed the advice suggested [on
SO](http://stackoverflow.com/questions/24488891/gunicorn-errors-haltserver-
haltserver-worker-failed-t... |
python regex for operating system name
Question: I am trying to get regex for operating system name: Windows XP, Windows Vista,
Windows 7, Windows 8, windows 8.1 and windows server 2008 R2
Normally the operating system name is in a line, for example: Operating
System: Windows 7 Professional 64-bit (6.1, Build 7601) Se... |
How to read in a file with a mixture of different delimiters using Python csv module?
Question: Input:
A B C
D E F
This file is NOT exclusively tab-delimited, some entries are space-delimited
to look like they were tab-delimited (which is annoying). I tried reading in
the file with ... |
Django project is very slow
Question: I have a problem with my Django project. Currently I'm using Django 1.6,
Python 3.3.3 sorl-thumbnail 12.0 and everything is really slow. I've spent the
last 3 days in attempts to change it, but everything that I've tried, has had
a very minor effect. Below are the numbers from the ... |
from pylab import * fails on RHEL 6 due to need for GLIBC 2.14
Question: How might I get a pylab import that works... I'm willing to recompile for my
box, but need to know where to put everything this works for all the users.
Note that GLIB2.14 is required by libpng16.so.16, which was the original
"trip-up" point. But,... |
Python login to my cpanel with python
Question: I want to create a script with python that test if my combination (username
and password) is correct, but I always get a 401 HTTP response so i think the
script can't submit the login data. (the cpanel login isn't a traditional
login panel so i will use the demo login pan... |
Error on slicing array in Python
Question: I have a problem with slicing an array. The problem is that if I do some
operation inside of function and return modified array my array outside of
function is also changed. I could not really understand that behavior of numpy
slicing opration on array.
Here is the code:
... |
Django amazon s3 SuspiciousOperation
Question: So when i try accessing a certain image on S3 from my browser everything works
fine. But when python is doing it i get a `SuspiciousOperation` error. My
static folder is public on S3 so i really have no idea where this is coming
from.
Publication.objects.get... |
Convert time to string with milliseconds
Question: Python datetime.now() gives me current time including milliseconds like this:
2014-08-22 19:23:40.630000
How do I convert the above datetime object to a string that includes the
milliseconds?
I looked into `time.strftime()` but it does not provide... |
Use cases of parallel programming using multiprocessing module in python
Question: Im novice even in python and Im trying to write fast code with the
multiprocessing module of python. Actually my question is very general: I'd
like to know different ways of using multiprocessing and Im very confused
because Im not sure ... |
Fastest way to append a string to a text file w/o impact(effect) on web site load time
Question: Suppose my web site needs to run this python code
for everytime it loads..
f = open('/aaa', 'a')
f.write('test' + '\n')
all it does is.. "append" .. "test" to "/a" file.
but perhaps there is a wa... |
Showing test count in buildbot
Question: I am not particularly happy about the [stats that Buildbot
provides](http://buildbot.scons.org/builders/centos7-python-2.7/builds/5). I
understand that it is for building and not testing - that's why it has a
concept of Steps, but no concept of Test. Still there are many cases w... |
Python: subprocess call with shell=False not working
Question: I am using Python script to invoke a Java virtual machine. The following
command works:
subprocess.call(["./rvm"], shell=False) # works
subprocess.call(["./rvm xyz"], shell=True) # works
But,
subprocess.call(["./rvm ... |
Basic Tkinter/GUI Questions
Question: I'm dirtying my hands with Python's Tkinter, specifically learning OOP for
GUIs and have a few questions.
1. When constructing a class like so:
class Keylogger(Frame):
def __init__(self, master=None):
frame = Frame.__init__(self, master)
... |
Python/Numpy: How to avoid storing Boolean-indexed sub-arrays?
Question: In using Numpy I often have the need to use Boolean indexing to access parts
of an array. To makes things easier to read and type, I often store these sub-
arrays into new variables, for example:
n = 10000
X = np.random.rand((n,... |
Python getting all links from a google search result page
Question: i want to create a script that returns all the urls found in a page a google
for example , so i create this script : (using BeautifulSoup)
import urllib2
from BeautifulSoup import BeautifulSoup
page = urllib2.urlopen("https://www... |
Python-OpenCv error-261
Question: I'm new to Python-OvenCV programming. I'm using python idle to load and
display image from folder. its showing the following error:
**Traceback (most recent call last):
File "C:\Python27\a.py", line 4, in <module>
cv2.imshow("abc",img)
error:... |
Python hadoop mapreduce job using mrjob subprocess.CalledProcessError
Question: I am trying to run basic example from the mrjob's website on my custom data. I
have run Hadoop map reduce successfully using streaming, I have also
successfully tried the script without Hadoop, but now I am trying to run it on
Hadoop via mr... |
Python subprocess calling
Question: I have a problem with running files through python. This is my code :
def report1(self):
str="/Users/Apple/Desktop/Report1.exe"
subprocess.call(str)
This is the error i am getting :
File "./DBMS.py", line 427, in <module>
Main().run... |
How can I restrict the scope of a multiprocessing process?
Question: Using python's
[`multiprocessing`](https://docs.python.org/2/library/multiprocessing.html)
module, the following contrived example runs with minimal memory requirements:
import multiprocessing
# completely_unrelated_array = range(2... |
How To Fetch data in Python from mysql database
Question: I am new to python and i am facing problem while fetching data from mysql db
while i am passing parameters in mysql query i think my mysql syntax is
incorrect .
**Here is the Error displayed on Screen Like this.**
Internal Server Error
The server encountered ... |
How do I set an Argparse argument's default value to a positional argument's value?
Question: I have a python script that sends a GET request. It uses Argparse to take
three arguments:
1. **Address** : where to send the GET request
2. **Host** : the host to declare in the GET request
3. **Resource** : which reso... |
Can't find matching form
Question: I am trying to use Python's mechanize module to submit a form value and
download a subsequent file. However, I keep getting an error saying the script
can't find the form.
The website I'm using is
[here](https://ccmis.dhs.state.ia.us/clientportal/providersearch.aspx).
I'm trying to ... |
Python 2.7 and Flask - using functions from "Random" module returns "500 Internal Server Error" when using venv
Question: I'm testing a web service written with python and flask. Within that service I
want to generate a random number. None of the solutions posted on the web seem
to work, **as if the "random" module doe... |
how to use python to execute a curl command
Question: I'm new to python and I want to execute a curl command in python.
Usually, I just need enter the command in terminal and press return key.
However, I don't know how it works in python.
The command shows below:
curl -d @request.json --header "Content... |
Time-delayed grequests without using grequests.map()
Question: This is the first time I've tried to use a library with less-than-ideal levels
of documentation and example code, so bear with me. I have a tiny bit of
experience with the Requests library, but I need to send separate requests to
a specific address every se... |
pkg_resources.ExtractionError: Can't extract file(s) to egg cache: [Errno 13] Permission denied:
Question: So, I've been battling this ongoing problem for days and here's my latest
dead-end:
I wanted to uninstall cx_Oracle to start fresh. I found
[this](http://stackoverflow.com/questions/922323/how-do-i-deactivate-an-... |
python's negative threshold, the lowest non-infinity negative number?
Question: What is python's threshold of representable negative numbers? What's the
lowest number below which Python will call any other value a - negative
inifinity?
Answer: There is no most negative integer, as Python integers have arbitrary
preci... |
Python (nltk) - UnicodeDecodeError: 'ascii' codec can't decode byte
Question: I'm new to NLTK. I'm getting this error and I've searched around for
encoding/decoding and specifically the UnicodeDecodeError but this error seems
specific to the NLTK source code.
Here's the error:
Traceback (most recent cal... |
Downloading and Appending PDFs
Question: I'm trying to download all the pdf urls from a website and append all the pdfs
into a single file. At the moment, I have a list of all the urls containing
pdfs. How can I download all the pdfs and append them together? I've attached
my code below. I'm using Python 2.7.8.
... |
Need help filtering out incomplete entries in a .csv [Python]
Question: I have a set of data points, which look like this:
ID 70014 1940 1 1 26.8 1 Y
ID 70014 1940 1 2 29.8 1 Y
ID 70014 1940 1 3 34.3 1 Y
ID 70014 1940 1 4 35.7 1 Y
ID 70014 1940 1 5 34.1 1 Y
but some of the entries have missing values, like the on... |
Find the difference of the two csv files
Question: I have two csv files named `x.csv` and `y.csv`. `x.csv` has only one row -
`Column A:0, Column B:1, Column C:2, Column D:3`. In `y.csv`, only one row -
`Column A:2, Column B:3, Column C:4`. I need to find the difference of the two
csv files using python and output to a... |
How do you accsess to a gmail inbox and manage emails using python?
Question: I've done a program to send mails, wich have a numbers code in the subject.
Now I need to write another one to be able to read through all the mail
subjects searching for one specific, and returns the contents of the mail I
was searching for.... |
Add BullsEye to Image (changing pixels)
Question: I am trying to add a target (bullseye) to an image without the use of
importing python functions, it is proving to be rather difficult however I
believe I need to define a circle through use of code. It should be done by
changing the pixels as opposed to importing funct... |
Python Matplotlib: Remove black background when rasterizing part of plot in EPS?
Question: This question is related to [a comment on another
question](http://stackoverflow.com/questions/19638773/matplotlib-plots-lose-
transparency-when-saving-as-ps-eps#comment29161375_19640319).
In matplotlib/python, I am trying to ra... |
Python Pandas Append List of Dataframes
Question: This is a sort of simple question but I don't think it has been asked before.
If I have a list of dataframes (they need to be in this format because of
multiprocessing),
df_list=[df1,df2,...,dfn]
Is there an elegant way to append all of them? A one... |
How to capture special keys for python console application
Question: Python 2.7
I'm trying to capture key presses in an application I'm writing using the
getch() function in the msvcrt module. Some are easy, enter is 13, backspace
is 8, .> is 46 etc. Some keys, such as Home, I can't work out.
From the docstring for g... |
Indexing Error with HDU FITS file format with numpy
Question: I'm attempting to read the data from a FITS file using the `astropy` module
`fits` and then standard numpy array handling. However, for some reason I am
receiving the following error:
IndexError: too many indices
This is the code that I ... |
How do I separate out unique rows in a list that has both a datetime and float column?
Question: I'm relatively new to Python, and I am having trouble separating out unique
rows from a data set that I had recently converted into lists. I broke
separated out the data's unixtime recordings and converted them into datetim... |
Error in if statement at the colon
Question: I am helping my friend with his new idea about prime numbers. I am writing a
simple python code. I've encounter a SyntaxError that I don't know why. Thanks
for any help
File "./prime.py", line 9 if isPrime(n) and isPrime(m) and isPrime(p):^ SyntaxError: invali... |
Python Pandas read_csv with nrows=1
Question: I have this code reading a text file with headers. ANd append another file
with the same headers to it. As the main file is very huge, I only want to
read in part of it and get the column headers. I will get this error if the
only line there is the header. And I do not have... |
rename a log file in python using a logging module
Question: I need to rename a logging file but continue logging to it afterwards. I'm
running Python 3.x and using a `logging` module to create logs.
logger = logging.getLogger(r'mylogger')
handler = logging.FileHandler(r'mylog.txt', mode = r'w')
... |
How to pull a file with python code in Unix env
Question: I have the file in this place
/home/unica/app/Affinium/Campaign/partitions/partition1/scripts/runscripts/campaigns/cnyr/dev
I want to call it here.like.
with open('/home/unica/app/Affinium/Campaign/partitions/partition1/scri... |
Python CSV module handling comma within quote inside a field
Question: I am using Python's csv module to parse data from a CSV file in my
application. While testing the application, my colleague entered a piece of
sample text copy-pasted from random website.
The sample text has double quotes inside the field and a com... |
Set Input Variable at the Start of a Python Script
Question: I'm working on a python script in Red Hat that connect to a SQL database and
run queries on a specific row. What I am attempting to do is to set the row
that I want to query as an input variable that get's passed into the script
when i start it. For example, ... |
ListRasters, TypeError: 'NoneType' object is not iterable
Question: Hi I have very minimal python experience and am not sure why I am getting this
type error. I am trying to perform a raster to polygon conversion with the
rasters from a different workspace than the initial env.workspace. Is this
possible? And how can t... |
Run statement in terminal if user enters a certain key otherwise continue with raw_input in python
Question: I would like to be able to have the terminal ask questions to the user but I
also want the user to be able to enter an alternate character which would be
able to print something out and I was wondering how to do... |
python transitivity between dictionaries
Question: I have a list like the following in python (the real one is huge and I cannot
do this only by looking at it):
original1=[['email', 'tel', 'fecha', 'descripcion', 'categ'],
['a@gmail.com', '1', '2014-08-06 00:00:06', 'MySpace a', 'animales']... |
How to get three integers from a specific line in a file with Python?
Question: I have a (ASCII) file, `foo.txt`, which has a lot of stuff in it but I only
care about the three numbers on line 2 (separated by white space). For your
information (I don't know if it will be relevant) the number of columns on the
lines bef... |
IPython Failing to Run Code
Question: I was trying out this Python code from [a training
website](http://www.pythonforbeginners.com/python-on-the-web/web-scraping-
with-beautifulsoup/) in IPython:
from bs4 import BeautifulSoup
import requests
url = raw_input("www.google.com")
r... |
No such column error message
Question: I read the tutorial from the django site and now I hit the wall. It seems very
simple but it is giving me a problem. Everytime I run populate_rango.py script
I get an error.
I have modified my script and my models.py file based on the example from
Tango with Django site but still... |
Can you use GQL / Google DataStore outside of google appengine?
Question: Can I use GQl/DataStore in my local python app? I know I can use them locally
when running the dev_appserver.py when writing a webapp but now I don't want
to do anything web related and keep it all local with just my normal
pythonfile.py with no ... |
Change tick frequency on X (time, not number) frequency in matplotlib
Question: My `python` plot data only show 2 points on x axis.
I would like to have more, but don't know how.
x = [ datetime.datetime(1900,1,1,0,1,2),
datetime.datetime(1900,1,1,0,1,3),
...
] ... |
In Python how can I create and organized dictionary through the process of reading a CSV file
Question: I am attempting to read a CSV file into Python and create and organized
dictionary from the data retrieved. The CSV has a similar format to the one
shown below.
Time A B C D
0 1 2 4 ... |
Python Concurrency: Hangs when using apply_async()
Question: I am trying to learn about Python concurrency. As an experiment, I have the
following program that uses a process pool and calls workers via
apply_async(). To share information between the processes (work and results),
I use a queue from multiprocessing.Manag... |
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