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Python import dependencies
Question: I am dynamically creating some python code that I want to run inside a
wrapper. Here is an overly simplified example.
[wrapper.py]
import cv2
img = cv2.imread('pic.png',0)
__import__("fragment")
cv2.imshow('pic',img)
[fragment.py]
... |
GAE Python get default bucket fxn returns None
Question: I'm a GCS newbie trying to write an app that uploads a file to a bucket I have
created. I've followed the tutorial and created a bucket using the browser
interface. However when I programmatically try to access my bucket, I get an
error. Instead of printing my de... |
Run a executable by python at background and still running
Question: High! I have a executable made by py2exe whitch test if my vpn is connect or
not at infinit loop runinngi on Windows. I want to make run in background or
hiden, i searched for several forums and i found 2 scripts worked partialy.
1. rename script t... |
Need to check if an answer in a quiz is correct (Python)
Question: So I have a dictionary with legislators and the parties they belong to. Five
questions are outputted with random names and parties and the input is either
Y or N. I need to now figure out how to check if its true or not but I am
stumped. The code:
... |
Wing IDE not stopping at break point for Google App Engine
Question: I'm new to Python, Wing IDE and Google cloud apps but have done a lot of
programming so hopefully the below question is not too stupid.
I've been trying for a couple of days to get Wing IDE to stop at a break point
on the local (Windows 7) Google App... |
Return all tags and values of a given object within xml document in Python
Question: I have xml which looks like this...
<CONFIG2>
<OBJECT id="{2D3474AA-9A0F-4696-979C-1BCE9350F3BD}" type="3" name="Test2" rev="1">
<RULEITEM>
<ID>{BF7D00C5-57BC-4187-9B07-064BA5744A12}</... |
How to sort a list with duplicate items by the biggest number of duplicate occurrences - Python
Question: I have a
list1 = ["one", "two", "two", "three", "four" , "five", "five", "five", "six"]
and the Output should be
list2 = ["five" , "two", "one", "three" , "six"]
* `"five... |
wx.TextCtrl is blank for very long strings
Question: I'm trying to display the string representation of a list of many float items
in a wx.TextCtrl using the SetValue() method.
As soon as the length of the string to be displayed reaches 6151 characters
the TextCtrl goes blank and does not display the string. I can sti... |
What is the preferred way to import pylab at a function level in Python 2.7?
Question: I have written a relatively simple function in python that can be used to plot
the time domain history of a data set as well as the frequency domain response
of a data set after a fast fourier transform. In this function I use the
co... |
How does the __future__ module work in Python 2.7?
Question: In Python 2.7 using the `__future__` module and the `print_function` you can
use the python 3.X print function. My question is, how did the developers of
Python know what was coming in the future releases of Python? Or was this
module added to Python 2.7 afte... |
python-couchdb: How to check if database already exists
Question: I am writing a small Python program that loads some documents into couchdb. It
would be very convenient to check whether a database with a certain name
already exists, so I can either create a new one or open the existing one.
What I want to do is someth... |
validate email address with Python
Question: I'm trying to validate emails using [validate_email 1.3 : Python Package
Index](https://pypi.python.org/pypi/validate_email), like this:
from validate_email import validate_email
is_valid = validate_email('example@example.com',check_mx=True)
How can ... |
Loop through and compare spreadsheet cells in Python
Question: Please excuse the crude code and I'm sure there are better ways to accomplish
this but I am new to programming. Basically I have an excel file with 2
sheets, sheet 1 is populated in column A, sheet 2 is populated in A, B, and C.
I want to run through all of... |
How can I add an integer variable to an openmdao driver?
Question: I am confused by this openmdao error. Why is this being raised? Can I somehow
tell openmdao that I don't have gradients and to use finite differences? Why
is this raised for childWeight but not eta?
I can get past this problem by initializing al my var... |
Solve for constants of 4-parameter (Rodbard Equation) using Python
Question: I am new to python and what I am trying to do is write an algorithm to solve
for the 4 unknown parameters in the Rodbard Equation where we are relating a
grayscale value measured using ImageJ to optical density calibration discs.
This equation... |
Twillio Restclient in python
Question: I'm Using Twilio Rest API in python to send sms , Below is the code I'm using
to send SMS
SMS was being sent successfully by below code but I want body of text to be
declared as a variable. For example if I declare `ABC = "Test message"` then
body should be `Test message`.
... |
drone-kit Python is not connecting with Iris+
Question: I'm trying to build my first dronekit python program, and I'm doing some tests
with some examples but I couldn't connect to my UAV(Iris+). I plugged the usb
radio(3DR 915 MHz) and I put `vehicle = connect('/dev/ttyUSB0',
wait_ready=True)`. Actually I have no idea ... |
Scraping using beautiful soup not working for a particular URL as expected
Question: I was trying to scrape some data off from a site using beautifulsoup on python
3.5(i'm working on eclipse) and requests from the site
'<http://www.transfermarkt.com/arsenal-
fc/startseite/verein/11/saison_id/2015>' which has some stats... |
Get NS and MX web information python
Question: Im trying to get information about two domain input with this code:
#! usr/bin/python
domainlist=[]
#Ask for domain 1
domain = raw_input("------------------------------------------\nIntroduce el primer domino de la pagina web:\n")
domainlist.... |
Python Attribute Error: type object has no attribute
Question: I am new to Python and programming in general (since December) and try to
teach myself some Object-Oriented Python and got this error on my lattest
project:
AttributeError: type object 'Goblin' has no attribute 'color'
I have a file to ... |
Django command: How to insert newline in the help text?
Question: I was looking to do something like this, but for a Django management command:
[Python argparse: How to insert newline in the help
text?](http://stackoverflow.com/questions/3853722/python-argparse-how-to-
insert-newline-in-the-help-text)
Answer: You can... |
How to execute external Python script with a program coded in Haxe?
Question: I have a Haxe program and I need to retrieve data from Wordnik API. Here are
the list of supported platform in Wordnik:
<http://developer.wordnik.com/#!/libraries>
I have no experience in all of these languages supported by Wordnik. However,... |
Python - How to call the main fuction of a module in another module?
Question: I am trying to write a python module that calls the main function of another
module in its main function.
The module I am writing is called Trial.py and the module that contains the
function to be called is called `print_all.py` .
print_al... |
Python: import all submodules' method?
Question: I organized my helper method into this way:
[](http://i.stack.imgur.com/Tz9jc.png)
All the methods are used in the current file, so I need to import them like
this:
from helpers.utility_h... |
HSV2BGR conversion fails in Python OpenCV script
Question: My script is supposed to take a greyscale image and map the values to hues.
#!/usr/bin/env python
import cv2
import numpy
infile = cv2.imread('Lenna.png')
infile = infile[:,:,0]
hues = (numpy.array(infile)/... |
Python Deep Learning Keras: Wrong number of dimensions: expected 3, got 2 with shape
Question: I am new to Keras, a deep learning library and need your help. The model is
built without errors, but has the following issue when calling model.fit(X,
y):
TypeError: ('Bad input argument to theano function wit... |
Resolving ValidationError: [u"'' value has an invalid date format. It must be in YYYY-MM-DD format."] in Django 1.9.2?
Question: Earlier I created two fields & migrated everything. after that I tried to add
three fields `title`,`about`,`birthdate` into the model. I created a model
like this :
from __futu... |
Python - Limiting Number of Threads while Multithreading
Question: Code below.
import sys
import urllib2
import threading
import time
urls = ["http://www.google.com", "http://www.apple.com"]
def fetch_ur... |
TestSuite vs "test discover"
Question: Is there any difference between creating a TestSuite and add to it all the
TestCases, or just running `python -m unittest discover` in the TestCases
directory?
For example, for a directory with two TestCases: `test_case_1.py` and
`test_case_2.py`:
import unittest
... |
aws server : paramiko issue
Question: while i can normally connect to a server with ssh command :
>[ec2-user@dsi_valid_env:~/scripts]$ssh test@172.XX.YY.ZZ
>test@172.XX.YY.ZZ's password:
but i am struggling to connect with paramiko for a python script :
>>> import paramiko
... |
OpenCV & Python : Face Detection using haarcascades is detecting many boxes as eyes.
Question: I am using Haarcascades for detecting faces and eyes. My problem is, its
bounding many boxes as eyes. My syntax is
face_cascade = cv2.CascadeClassifier('haarcascades\haarcascade_frontalface_default.xml')
ey... |
Curl is working but urllib2 fails in python
Question: I am working on Zomato API for my application, when I hit request using curl I
get the correct response but when I try same using urllib2 I get different
answer.
**Curl Request**
import os
def callCurl():
os.popen('curl -X GET --header "A... |
Pass a file list from PowerShell to Python script via stdin
Question: I'd like to create a Python script that I can pipe file names into, so it can
be used like this:
ls *.csv | python .\myscript.py
I know I can read the standard input using `fileinput` or `sys.stdin`, but
since the output is in a ... |
What is the name for the Maya Python library(ies)?
Question: I want to distinguish between the [Python libraries available in
Maya](http://help.autodesk.com/view/MAYAUL/2016/ENU/?guid=GUID-C0F27A50-3DD6-454C-A4D1-9E3C44B3C990):
1. _MEL_ (the embedded Maya language)
2. _Maya Python libraries_ (`maya.cmds`, but also... |
Python - How to get the filename in tkinter file dialog
Question: I am trying to get just the file name of the selected file in tkinter file
dialog
Here's my code:
def browseFile(self):
root = tk.Tk()
root.withdraw()
file_path = askopenfilename(filetypes=(("Video files", "*.mp4;*... |
Python if, elif, else chain alternitive
Question: I am using a speech recognition library to create a Siri like program. I hope
that in the future I can use the code with an Arduino to control things around
my room. Here is my problem:
I have the basic speech recognition code worked out but for the program to
understa... |
Python Domain Name Regular Expression Pattern
Question: I would like to be able to match a domain by following the below rules:
* The domain name should be a-z | A-Z | 0-9 and hyphen(-)
* The domain name should between 1 and 63 characters long
* Last Tld must be at least two characters, and a maximum of 6 charac... |
How to obtain a math function as an output in python
Question: I want to do something like this
def gaussian(x, amp):
return amp * exp(-(x-cen)**2 /wid)
I want to substitute just amp and x and obtain an equation as output
for example:
gaussian(1,3)
`3 * exp(-(1-cen)**2... |
Logging not working in a separate thread
Question: I've a `python 2.5` app that creates a separate thread to work. I want to log
to a file, and I'm able to do it from the main thread, but when I log from the
other threads it doesnt works.
This happen on the main thread:
log_filename = os.path.join(os.pa... |
Python bindings for VLC
Question: I am on Windows, and I wish to use Python Bindings for VLC. I've already
downloaded the module from <https://github.com/geoffsalmon/vlc-python> , and
did as per the read me. But, still I'm stuck at importing the module. The
error looks like this :
Traceback (most recent ... |
'application not registered on db instance' after user table truncation
Question: I deleted all the info in my users table during testing. Now when I try to run
a `manage.py` command to recreate the admin user, I get `RuntimeError:
application not registered on db instance and no application bound to current
context`. ... |
return index for rows in csv module python
Question: I'm trying to return a specific string that reads out "RowX: [sum of row]" for
each row of a tsv table where X = the row number (index +1). So far I can get
everything to work except for the row number.
My code:
#!/usr/bin/env python
from __f... |
NxN python arrays subsets
Question: I need to carry out some operation on a subset of an `NxN array`. I have the
center of the sub-array, `x` and `y`, and its size.
So I can easily do:
`subset = data[y-size:y+size,x-size:x+size]`
And this is fine.
What I ask is if there is the possibility to do the same without wri... |
Opening a sheet in excel file in Python
Question: I am an absolute beginner in Python programming. I have a bunch of excel files
(with extension .xls) which I would like to be able to read in python. I have
to extract 2 columns from a given sheet from each file and write them into a
CSV file. This is data coming from s... |
Sort Python DataFrame by Day of the Week
Question: I'm trying to sort my dataframe by the day of the week in the index. I was
able to create a workaround where I created an additional column that I
manually assigned the correct order value to and then sorted. But there has to
be a better way, especially when I'm dealin... |
Redirecting output of script called from within Flask, into its own log file
Question: One of the user options in my Flask application is to trigger a web-scrape.
The output of this process (and indeed _any_ external process, and the output
of the main Flask app itself) is stdout which is the terminal in which I've
sta... |
google-api-python-client broken because of OAuth2?
Question: I am trying to check if a certain dataset exists in bigquery using the Google
Api Client in Python. It always worked untill the last update where I got this
strange error I don't know how to fix:
Traceback (most recent call last):
File "/... |
python threading with sync queue
Question: I have a script that follows the same logic in this sample. Basically I insert
items into a global queue and spawn threads with a while loop that gets and
item from the queue and the calls task_done.
I can get the threads to join if my while loop is checking that the queue is... |
How can I find out what package that a python module belongs to?
Question: You are given some python source code with some import statements for modules
that you don't recognize. You are curious and would like to know what packages
these modules belong to.
2 scenarios.
**Scenario #1:**
Some of the imports fail becau... |
Removing points stored in a dictionary in a matplotlib basemap animation
Question: I am trying to do the following: Plot points and store a reference in a
dictionary. While animating remove points. A minimal example looks as follows:
%matplotlib qt
import matplotlib.pyplot as plt
from mpl_toolkit... |
getMouse in python using graphics
Question: I am very new to Python. I need to write a program to move my ball or circle
when I click the mouse. How do I achieve this? I have the below code that I
got started with.
from graphics import *
import time def MouseTracker():
win = GraphWin("MyWind... |
Retain top-N elements as we loop across all elements
Question: Here is what I am trying to do. The output of a calculation on a dataframe
gives a number. I use that number to rank the different dataframes and I need
to retain the top-N (in the example below, the top 10 is chosen). The ranking
is achieved by comparing t... |
Django staticfiles not found on Heroku (with whitenoise)
Question: This question seems to be asked several time but I can not fix it.
I deployed a django app on production with `DEBUG = False`. I set my
`allowed_host`. I used `{% load static from staticfiles %}` to load static
files. I exactly write the settings suges... |
Is there a way in Python to exit the program if the line is blank?
Question: My file is a .txt file and all comments have no spaces before them.
I have a file with 10,000 lines that looks like this and I am reading every
line of the file.
## something
## something
## something
12312312
1... |
malt parser gives assertion error when using it with nltk
Question: I am using malt parser with python nltk. I have successfully downloaded the
training data and updated the latest nltk. When I call the malt parser it
gives me an asertion error. Below is the code from python which includes the
traceback as well.
... |
Python 2.7 imports module from wrong location
Question: I'm on Python 2.7.6 un Ubuntu 14.04 and I'm trying to import openpyxl. I
upraged to a recent version via `sudo pip install openpyxl --upgrade` and `pip
show openpyxl` gives the following output:
pip show openpyxl
---
Name: openpyxl
Versi... |
Install h5py without sudo
Question: I'm trying to install `h5py` package via `pip` for python 2.7, I can't use
`sudo` and I have python 3.2 installed too.
Here is my attemp:
I have installed pip:
curl -O https://bootstrap.pypa.io/get-pip.py
python2.7 get-pip.py --user
then I installed `wheel`... |
Split Strings to change them
Question: I'm new with python,I'm trying to learn I hope you can help me. What I'm
trying to to is to change week day, something like this.
Today is {Mon|Tue|Wed|Thu|Fri} the best day.
**It suppose to change randonly those week days**. Do you have any idea? Thank
you!
Answer: This shoul... |
'utf-8' decode error in tensorflow tutorial
Question: I'm running into this bizarre problem where when I run
from tensorflow.examples.tutorials.mnist import input_data
mnist = input_data.read_data_sets('/home/fqiao/development/MNIST_data/', one_hot=True)
I get:
File "<... |
Python Sqlite3 Database Locked, QWidget
Question: I'm getting a `sqlite3.OperationalError: database is locked` when I try to
update the database from a pyqt widget.
The main window shows a list of items in a database. When an item is double
clicked a widget will pop up with options to modify a value in the same row of... |
Matplotlib not installing inside virtualenv mac
Question: So I have Python 3 and `matplotlib` installed globally. If I run python
outside of a virtual environment and import matplotlib to check the version it
shows 1.5.1 . But I am facing problems installing matplotlib within a virtual
environment. I created a virtual ... |
Trying to python takes a variable in to Create Table
Question: I'm trying to python takes a variable when it ask for the data base name but
it does not work this is my code, I do not know whan I'm doing wrong.
any idea ?
#!/usr/bin/python
# -*- encoding: utf-8 -*-
import MySQLdb
na... |
Swift get user input with prompt
Question: In Swift, I want to have a continous user-input loop, much like how the python
interpreter works, where a prompt is made, you type a line, the result of the
line is displayed, and then the user is prompted again. This is my code so
far:
import Foundation
... |
python logging performance comparison and options
Question: I am researching high performance logging in Python and so far have been
disappointed by the performance of the python standard logging module - but
there seem to be no alternatives. Below is a piece of code to performance test
4 different ways of logging:
... |
Why subprocess.call () is showing error in linux?
Question: Let us consider Linux platform where I need to execute a program called
smart.exe which uses input.dat file. Both the files are placed in the same
directory with each file having the same file permission 777.
Now if I run the following command in the terminal... |
Python: how to create a submatrix discretizing a circle?
Question: In a 2D square grid (matrix) full of `zeros`, I need to create a submatrix
full of `ones`, with the shape of this submatrix being as close as possible to
a circle. I know a circle cannot be precisely represented when you work with
cells or pixels, there... |
Python using classmethod for multiple constructors
Question: I have been struggling trying to create multiple constructors with the
classmethod decorator. There is an example in SO - [What is a clean, pythonic
way to have multiple constructors in
Python?](http://stackoverflow.com/questions/682504/what-is-a-clean-python... |
Calling Popen in Python on a MAC - Error can not find file
Question: When I try to shell out of my Python 3.51 program to run the Popen command I
get the following errors. Yet when I copy the exact string I'm passing to
Popen to the Terminal command line it works fine and opens the file in Adobe
Reader which is my defa... |
Python 3.4 - Installing Kivy Error
Question: I'm trying to install Kivy on Python 3.4 using the instructions here:
<https://kivy.org/docs/installation/installation-windows.html>
I'm on the installing dependencies step, where it gives me this error:
<http://prntscr.com/a5rk5k>
Initially I tried just going ahead to the... |
How to catch Python3 SocketIO error
Question: I'm making a simple app that uses
[socketIO_client](https://pypi.python.org/pypi/socketIO-client). I can't
figure out how to "catch" the error when the connection fails.
from socketIO_client import SocketIO, LoggingNamespace
sock = SocketIO("localhost", 3... |
Python3: Popen communication
Question: I'm a gamer, and a coder. In one of my game, minecraft, I need a server, so,
with a friend, I bought one. But, this friend doesn't understand anything of
coding and, in particular, of the Linux' bash, so he can't switch on/off our
server, and he can't work on it. So I decied to ma... |
How to run external Python script in Golang?
Question: I would like to run an external Python script that gets 4 arguments. If I
would like to run the Python script in cmd it would look like this: python
Required\Python\screenshot.py-master\screenshot.py --nojs -thumb
<http://google.com/> Required\Images\Screenshots\go... |
Tuple looping (I think)
Question: I have this code for a quiz but only the first question appears. I can answer
the first question and the score will adjust accordingly however the next
question never appears. I have tried researching looping through tuples and
have played around with my code but to no avail. I am a Py... |
Make array from Requests.get in python
Question: I Do the following :
@app.route('/api/test/', methods=['GET'])
def catalogue1():
cache = []
r = requests.get("http://192.168.198.140:5000/api/listdir")
cache = r.content
cache = ["vagrant.txt", "Securite_sociale.jpg"] ;
when i try... |
How to convert a wav file -> bytes-like object?
Question: I'm trying to programmatically analyse wav files with the audioop module of
Python 3.5.1 to get channel, duration, sample rate, volumes etc. however I can
find no documentation to describe how to convert a wav file to the 'fragment'
parameter which must be a byt... |
python kivy i don't see just an empty window
Question: I made my first kivy program. When I run this app, then it appears empty
window.
This is the whole program.
Python code:
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
from kivy.app import App
from kivy.uix.boxlayout import BoxLay... |
Django, python syntax error while running makemigrations (DecimalField choices)
Question: In my application, I'm calling API to create choices for DecimalField in
models.py.
# -*- coding: utf-8 -*-
from django.db import models
import re
from suds.client import Client
from datetime import ... |
Django M2MFields 'through' widgets
Question: Are there exists any examples of Django widgets which can be useful for
ManyToManyFields with 'through' attributes? For example, i have these models
(got the source from django documentation):
from django.db import models
class Person(models.M... |
ImportError: Could not import the Python Imaging Library (PIL) required to load image files
Question: I am trying to run the average.py program in the facemorpher 1.0.1 python
package. I have created a virtual environment that has openCV installed with
homebrew, python 2.7 installed in homebrew, and executable `framewo... |
Finding maximum of a correlation in Python
Question: I have to find the parameters theta such that:
[](http://i.stack.imgur.com/rtJnf.gif)
where r is a known vector and phi is a function that uses the parameters from
the previous iteration. How can I ... |
Positioning Button in Python
Question: Ive researched my question here, [Python Tkinter
buttons](http://stackoverflow.com/questions/29370357/python-tkinter-buttons),
and here, [Setting the position on a button in
Python?](http://stackoverflow.com/questions/10927234/setting-the-position-on-
a-button-in-python)
Sadly, I... |
Pip installer error
Question: I am trying to install `PyAutoGUI` but every time i try i get the error
message
C:\WINDOWS\system32>C:\Users\nicho\AppData\Local\Programs\Python\Python35-32\Scripts\pip install PyAutoGUI
Collecting PyAutoGUI
Using cached PyAutoGUI-0.9.33.zip
Collecting pymsgbox... |
Saving each result on a new line to a csv file, using python
Question: I've been trying to create a csv file using python and save a new date on a
new row. My intention is to replicate the shell output(shown below), in csv
file. However the output I get is only saving the last result and iterating
through one date(show... |
Pip Django Version Different than Python's
Question: I am currently trying to complete the Django tutorial found here:
<https://docs.djangoproject.com/en/1.9/intro/tutorial01/>
However, when I try to run `python manage.py migrate` I get the error `Unknown
command: 'migrate'`. I looked this up and discovered that this ... |
What is "empty" expression in django rest_framework.serializers.BaseSerializer
Question: Here is the `__init__` method in django's
`rest_framework.serializers.BaseSerializer` class.
def __init__(self, instance=None, data=empty, **kwargs):
self.instance = instance
if data is not empty:
... |
Year over year matplotlib with legend
Question: I'm trying to mimic this graph from Excel [](http://i.stack.imgur.com/P2WLQ.png)
in python and matplotlib.
The dataframe (by_year) looks below with a multiindex of EDIT - Changed table
to reflect that the... |
Bigram Count using Spark (Python) producing strange output
Question: I am trying to do a bigram count using Spark, Python API.
I am getting strange output. Multiple lines of:
generator object genexpr at 0x11aab40
This is my code:
from pyspark import SparkConf, SparkContext
import s... |
Tell compiler about a local it doesn't know about?
Question: I have a function called `let`, which modifies the calling namespace to insert
a new variable.
def let(**nameValuePair):
from inspect import stack
name, value = nameValuePair.items()[0]
stack()[1][0].f_locals[name] ... |
Python multiple pattern matching from a log file
Question: I've got a log file with following format:
2016-02-18 10:01:45.423 [a-b] [one two three] [2126]
2016-02-18 10:01:45.623 [x-y] [one two three four] [123]
2016-02-18 10:01:45.823 [z-w] [one two three four-five] [0]
I'd like to spli... |
Error in generating colored cmy qr image
Question: I have to generate 3 QR images with background color cyan, magenta and yellow
and merge them to generate CMY colored QR as shown in image 1. Now after
generating images, to merge them by using cv2.merge,converting these into gray
image and then merging operation gives ... |
Detect URLs changes in python
Question: I need to detect urls changes when shops have a firesale on, I'm using
requests lib with no luck even when a firesale is on it still returns `No
deals on today` and check value is still `[u'http:', u'',
u'www.dealwebsite.co', u'Electroshop']`
primary shop url `http://www.dealweb... |
Path in the PYTHONPATH not in django path
Question: I am writing a web based app based on python and django. I have a source code
folder containing **LIBS** directory that has a file named **utils.py**. When
I want to install my app a new line is added to ~/.profile file like **export
PYTHONPATH=$PYTHONPATH:/home/test/... |
StopIteration error in python
Question: I am using `wolframalpha` and `wit.ai` together and i am trying to build that
`wolframalpha` fetch data from `wit.ai` audio instead of terminal text.
My code is:
#!/usr/bin/python
import speech_recognition as sr
import wolframalpha
import sys
... |
injecting variables into functions; python
Question: I have a webdriver class that assumes there is only one driver. This is bad
because it can't handle multiple pages at once. I want to make a decorator
that will inject `self.driver` into any function decorated if it exists, if
not it will allow any function to use th... |
PySide: QAbstractItemModel not talking to simple controls
Question: Using PySide, I am trying to connect several data controls to data from a file
that I read from disc. So I made a data model, derived from
QAbstractItemModel. Should be trivial, right? But one problem that has me
beaten is connecting QLineEdit and QTex... |
Python3 filling a dictionary concurrently
Question: I want to fill a dictionary in a loop. Iterations in the loop are independent
from each other. I want to perform this on a cluster with thousands of
processors. Here is a simplified version of what I tried and need to do.
import multiprocessing
... |
Does Python IDE have a module which imports math functions such as cos or sin?
Question: Currently, I'm working on a program which takes some user input and uses this
information to work out a question e.g cos50 or anything like that. I'm not
entirely sure if python has a module which allows these sorts of equations
ho... |
Caffe : cifar 10_quick testing issue
Question: I have trained CIFAR QUICK using caffe, but when I test the
cifar10_quick_iter_5000.caffemodel.h5 using a python wrapper I get an accuracy
around 52-54% whereas it should be 75%. I do not understand why I am geting
such a low accuracy, because when I test Lenet MNIST I get... |
Reading serial AMA0 of Arduino writes an empty data
Question: I am connected Arduino to the Raspberry via **/dev/ttyACM0**. Despite the
python script I want to retrieve data from the Arduino, which is doing, but if
you want the data to appear more frequently (1-4 seconds) and the data does
not list any. Data is written... |
Designing an FIR notch filter with python
Question: I am writing some code with Python using the scipy.signal library to filter
electromagnetic data that is mixed with various undesirable signatures that I
want to filter out. For example, I have power line harmonics at various
frequencies (i.e. 60, 120 Hz, etc....) wit... |
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