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How to run a Python script in Node.js synchronously?
Question: I am running the following Python script in Node.js through [python-
shell](https://github.com/extrabacon/python-shell):
import sys
import time
x=0
completeData = "";
while x<800:
crgb = ""+x;
print crgb
... |
Why does my break call the previous function
Question: I have two functions and the first one calls the second one. However, when I
break out of the second function it displays text from an if statement in the
first function. What I don't understand, is why is the second function calling
the first? Secondly, I do not u... |
Python Scapy output to txt file
Question: **I would like to output just IP.dst to txt file, But I get all the packet
info including Ether, src, etc**
from scapy.all import *
import time
import os
file = open("newfile.txt","w")
t = '%IP.dst%'
p = sniff(filter="ip", prn=lambda x:x.sprin... |
Create list of list in python
Question: Suppose I have three lists
[-1,0,1,2]
[0,1]
[a,b,c]
I would like to obtain a list as
[-1,0,a]
[-1,0,b]
[-1,0,c]
[-1,1,a]
[-1,1,b]
[-1,1,c]
[0,0,a]
[0,0,b]
[0,0,c]
...
How to write a py... |
Difference between scikit-learn and sklearn
Question: On OS X 10.11.6 and python 2.7.10 I need to import from sklearn manifold. I
have numpy 1.8 Orc1, scipy .13 Ob1 and scikit-learn 0.17.1 installed.
I used pip to install sklearn(0.0), but when I try to import from sklearn
manifold I get the following:
> Traceback (... |
How do I make button press first stopping a playing audio file and then playing its own audio?
Question: My problem is, that the audio files under each button are quite lengthy and if
I pressed the wrong button, I would have to wait it to play to end. How can I
make every button press to 1) stop the possible playing au... |
Python: count specific occurrences in a dictionary
Question: Say I have a dictionary like this:
d={
'0101001':(1,0.0),
'0101002':(2,0.0),
'0101003':(3,0.5),
'0103001':(1,0.0),
'0103002':(2,0.9),
'0103003':(3,0.4),
'0105001':(1,0.0),
'0105002':(2,1.0),
'0105003':(3,0.0... |
Sentry django configuration - logger
Question: I am trying to use simple logging and want to send errors/exceptions to
Sentry.
I configured the Sentry as per the document and run the test successfully on
my dev(`python manage.py raven test`)
I added the Logging configuration as in [Sentry
documentation](https://docs.... |
why use sqlalchemy declarative api?
Question: New to sqlalchemy and somewhat novice with programing and python. I had wanted
to query a table. It seems I can use the all() function when querying but
cannot filter without creating a class.
1.) Can I filter without creating a class and using the declarative api? Is
the ... |
format date 'Fri Apr 15 04_01_33 2016' and '2015-12-16 22-39-28' Using python datetime format date
Question: Here is Simples way to format date using datetime
from datetime import datetime
date = '2016-04-07 04-54-53'
date1 = 'Fri Apr 15 04_01_33 2016'
format = "%Y-%m-%d %H-%M-%S"
format1... |
Cannot see prints with python-tensorflow
Question: I have the following program written in python:
import tensorflow as tf
def main(_): print(something)
if **name** == 'main': tf.app.run()
Either running it with bazel or not, I cannot see the output of print
function. Why?
Answer: I think the problem is with the ... |
Web Scraping a Forum Post in Python Using Beautiful soup and lxml Cannot get all posts
Question: Im having an issue that is driving me absolutely crazy. I am a newbie to web
scraping, and I am practicing web scraping by trying to scrape the contents of
a forum post, namely the actual posts people made. I have isolated ... |
simplest python equivalent to R's grepl
Question: Is there a simple/one-line python equivalent to R's `grepl` function?
strings = c("aString", "yetAnotherString", "evenAnotherOne")
grepl(pattern = "String", x = strings) #[1] TRUE TRUE FALSE
Answer: You can use list comprehension:
... |
How come when I import of two functions from the same module, the import works only for one the two?
Question: **Intro**
I am running a python script on an cluster. I run everything in virtualenv and
in the code I am importing two functions from the same module (written in
SC_module.py):
ex. SC_module.py
... |
Django: 'BaseTable' object does not support indexing
Question: I'm migrating my project to Django 1.8 and I am receiving an error related to
'johnny cache. Specifically in 'johnny/cache.py/'.
**Error:** lib/python2.7/site-packages/johnny/cache.py", line 87, in
get_tables_for_query tables = set([v[0] for v in getattr(q... |
seaborn violin plot, how can I set labels?
Question: I'm plotting a list of vectors as a sequence of violin plots. I'd use a pandas
dataframe, but the lists are unequal lengths.
This works: `python g = sns.violinplot (data=res, cut=0, inner='box') `
where 'res' is a list of lists (each a vector of floats), where each... |
django deploy - ubuntu 14.04 and apache2
Question: <https://www.sitepoint.com/deploying-a-django-app-with-mod_wsgi-on-
ubuntu-14-04/>
and
<https://www.youtube.com/watch?v=hBMVVruB9Vs>
This was the first time I deploy a website.And these are the tutorials I
followed.
Now I can access to the server(by typing 10.231.X... |
Python 3 - Tkinter button commands
Question: I am new to Tkinter and Python as well. I have three buttons with commands in
my Tkinter frame. Button 1 calls open_csv_dialog(), opens a file dialog box to
select a .csv file and returns the path. Button 2 calls
save_destination_folder(), opens a file dialog box to open the... |
pysnmp error on specific query
Question: I have been trying to implement code that loads my device MIBS and walks
through all the OIDS. In this one case when I try to load the OID for snmp
1.3.6.1.2.1.11 smi throws an exception when trying to load a specific OID. The
previous OID works successfully: '.1.3.6.1.2.1.11.29... |
Python 2.7 on OS X: TypeError: 'frozenset' object is not callable on each command
Question: I have this error on each my command with Python:
➜ /tmp sudo easy_install pip
Traceback (most recent call last):
File "/usr/bin/easy_install-2.7", line 11, in
load_entry_point('setuptools==1.1... |
remove extra newline when writing to a file
Question: This little script writes keywords to a file, but adds an extra newline
between each keyword. How do I make it stop? I.e. instead of
Apple
Banana
Crayon
I want
Apple
Banana
Crayon
I tried Googling ... |
Python: subprocess call doesn't recognize * wildcard character?
Question: I want to remove all the *.ts in file. `os.remove` didn't work.
And this doesn't expand `*`
>>> args = ['rm', '*.ts']
>>> p = subprocess.call(args)
rm: *.ts No such file or directory
Answer: The `rm` program takes a... |
converting char to list in R
Question: I wrote a python script for reading mails' content and append to list and
calling this python script in R. The problem is R is considering the list as
one instead of two elements in it.
Here is my python script:
{
import sys
import string
import glob
... |
docker container not able to write on host machine
Question: If I run the following code, I can convert the csv file into a format that I
require.
import csv
import json
csvfile = open('/tmp/head.csv', 'r')
jsonfile = open('/tmp/file.json', 'w')
fieldnames = ("user","messageid",... |
Python - dig ANY equivalent with scapy module
Question: I want to use the python module scapy to perform an equivalent command of
dig ANY google.com @8.8.4.4 +notcp
I've made a simple example code:
from scapy.all import *
a = sr(IP(dst="8.8.4.4")/UDP(sport=RandShort(),dport=... |
Write dictionary to csv with one line per value
Question: I am quite new to Python so please excuse me if this is a really basic
question. I have a Python dictionary such as this one:
`foo = {'bar1':['a','b','c'], 'bar2':['d','e']}`
I would like to write it to a csv file, with one line per **value** and the
key as fi... |
python edge detector - mask the area were it's completly black
Question: I have used canny edge detector on an image. It detected some areas in the
image and other areas it displays nothing. Now, I want that on the original
image it would mask the areas that were completely black. How can I do it?
I am using python an... |
Cant access instance variable from another class
Question: I have checked many questions replied here, but can't access an instance
variable from another class(I have tried
[this](http://stackoverflow.com/questions/19993795/how-would-i-access-
variables-from-one-class-to-another) as example)
#in file: vi... |
Installing a package in Conda environment, but only works in Python not iPython?
Question: I am using an Ubuntu docker image. I've installed Anaconda on it with no
issues. I'm not trying to install tensorflow, using the directions on the
tensorflow website:
conda create --name tensorflow python=3.5
s... |
Python: How to detect a particular number inside a long serial number
Question: I have been working on this project, a small Python and Tkinter project as I'm
a beginner and I almost finished it if it weren't for this little issue I have
with it that I detected after doing a few tests. The program should say
whether a ... |
Trying to add numbers from a file subtrack them and put them into another file
Question:
file = open("byteS-F_FS_U.toff","r")
f = file.readline()
s = file.readline()
file.close()
f = int(f)
s = int(s)
u = s - f
file = open("bytesS-F_FS_U","w")
file.write(float(u) + '\n')
file.cl... |
rebinning a list of numbers in python
Question: I've a question about rebinning a list of numbers, with a desired bin-width.
It's basically what a frequency histogram does, but I don't want the plot,
just the bin number and the number of occurrences for each bin.
So far I've already written some code that does what I ... |
NumPy/Pandas: convert array of "steps" into bool mask
Question: I have an array like this:
arr = np.array([4, 6, 3, 9, 2, 100, 3, 1, 1, 1, 1])
I want to convert it to a bool array like this:
[ T, F, F, F, T, F, T, F, F, T, T]
# 4, 6, 3, 9, 2, 100, 3, 1, 1, 1, 1
I can do i... |
Undefined index: HTTP_ACCEPT_LANGUAGE using BeatifulSoup/Python
Question: I'm learning Python and I'm trying to parse a webpage made with PHP using
BeautifulSoup. My problem is my script show this error:
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">
<h4>A PHP Error was e... |
Getting TypeError with speech_recognition module in Python
Question: I want to convert speech to text in real time using the module
`SpeechRecognition 3.4.6` I've installed everything and now I am trying a
simple code from example, here's the code:
import speech_recognition as sr
# obtain audio ... |
Remove duplicate rows from CSV
Question: I have a CSV file that looks like this
red,75,right
red,344,right
green,3,center
yellow,3222,right
blue,9,center
black,123,left
white,68,right
green,47,left
purple,48,left
purple,988,right
pink,2677,left
white,34,right
... |
Regex to strip only start of string
Question: I am trying to match phone number using regex by stripping unwanted prefixes
like 0, *, # and +
e.g.
+*#+0#01231340010
should produce,
1231340010
I am using python re module
I tried following,
re.sub(r'[0*#+]', '', ... |
Scraping text from multiple web pages in Python
Question: I've been tasked to scrape all the text off of any webpage a certain client of
ours hosts. I've managed to write a script that will scrape the text off a
single webpage, and you can manually replace the URL in the code each time you
want to scrape a different we... |
Problems using HTTPSConnection with http.client
Question: I'm new to Python and especially to web coding. I'm trying to make a program
that asks for a name and a surname, and then check on Pipl if there is any
result(s). My "tactic" is to directly go to the URL (containing the
information) with the result, without usin... |
Accessings deeply nested dictionary/list elements/values in Python
Question: I've been racking my brain on this problem and the logic needed to step
through this output from Google Maps API.
Essentially I'm using google maps Distance_Matrix: Here is an example of the
returned information from a call of the API for dis... |
How to create a UNIX timestamp for every minute in Python
Question: I want to create a UNIX timestamp for the date `2014-10-31` for every minute
of the day. I have got a timestamp for the date but not for every minute -
import datetime
date = '2014-10-31'
t_stamp = int(time.mktime(datetime.dateti... |
why is this formula for a circle giving me an ellipsoid in Javascript but a circle in Python?
Question: I adapted the following code for python found on this
[page](http://stackoverflow.com/a/15890673/2075859): for a Javascript
equivalent.
import math
# inputs
radius = 1000.0 # m - the follo... |
Get location from response header
Question: I am trying to get the `Location` value from a `POST` request using python's
requests module. However, when I look at the response's headers, I don't see
any such key. Performing the same request using Google Chrome does show the
key.
This is where I am trying to download da... |
Python script for web scraping from web pages to find ip address for urls present in it
Question: I have started writing script as mentioned below
import urllib2
from bs4 import BeautifulSoup
trg_url='http://timesofindia.indiatimes.com/'
req=urllib2.Request(trg_url)
handle=urllib2.ur... |
I typed python -v in my terminal and something weird happened
Question: Thinking I was about to check the version of Python installed on my computer,
I typed
python -v
in my terminal and I got a first line saying
> "installing zipimport hook", but then also a whole bunch of text (probably
> 50 or... |
How to retrieve a total pixel value above an average-based threshold in Python
Question: Currently, I am practicing with retrieving the total of the pixel values above
a threshold based on the mean of the whole image. (I am very new to Python). I
am using Python 3.5.2, and the above code was copied from the Atom progra... |
generate a heatmap from a dataframe with python and seaborn
Question: I'm new to Python and fairly new to seaborn.
I have a pandas dataframe named df which looks like:
TIMESTAMP ACT_TIME_AERATEUR_1_F1 ACT_TIME_AERATEUR_1_F2 ACT_TIME_AERATEUR_1_F3 ACT_TIME_AERATEUR_1_F4 ACT_TIME_AERATEUR_1_F5 ACT_TIME_AE... |
How can I count a word from all lines that are 2 rows after a specific line?
Question: So, this might sound a bit confusing, I'll try to explain it. For example from
these lines:
next line 1
^^^^^^^^^^^^^^^^^^
red blue dark ten lemon
next line 2
^^^^^^^^^^^^^^^^^^^
hat 45 no dad fate ... |
Proper Use Of Python 3.x AMFY Module
Question: How am I supposed to use the Amfy module? I try to use it like the JSON module
(`amfy.loads` or `amfy.load`), but it just gives me errors:
C:\Users\Other>"C:\Users\Other\Desktop\Python3.5.2\test amf.py"
Traceback (most recent call last):
File "C:\U... |
python multiprocessing.Array: huge temporary memory overhead
Question: If I use python's multiprocessing.Array to create a 1G shared array, I find
that the python process uses around 30G of memory during the call to
multiprocessing.Array and then decreases memory usage after that. I'd
appreciate any help to figure out ... |
parallel program in python using Threads
Question: Generating the sum from adding integer numbers successively up to n where n =
2000 given by the following formula: n(n+1)/2 so far i have don it in serial.I
need help on how to make it compute in parallel such that it adaptively make
use of all the available processors... |
Find parent with certain combination of child rows - SQLite with Python
Question: There are several parts to this question. I am working with sqlite3 in Python
2.7, but I am less concerned with the exact syntax, and more with the methods
I need to use. I think the best way to ask this question is to describe my
current... |
Improve performance of constraint-adding in Gurobi (Python-Interface)
Question: i got this decision variable:
x={}
for j in range(10):
for i in range(500000):
x[i,j] = m.addVar(vtype=GRB.BINARY, name="x%d%d" %(i,j))
so i need to add constraints for each x[i,j] variable like ... |
How to sum Threads in python
Question: I need help on how i can sum all the threads.to get sum of thread one to three
all together..The parallel program should use all processors in host computer
import threading
import time
from datetime import datetime
start_time = datetime.now()
... |
Sign extending from a variable bit width
Question: Here is a code in C++:
#include <iostream>
#include<limits.h>
using namespace std;
void sign_extending(int x,unsigned b)
{
int r; // resulting sign-extended number
int const m = CHAR_BIT * sizeof(x) - b;
r = (x... |
Why is my blitted characted not moving in pygame?
Question: I am making an RPG in Python using Pygame. My first step is to create my main
character and let it move. But it isn't. This is my code:
import pygame,random
from pygame.locals import *
pygame.init()
black = (0,0,0)
whit... |
Rosalind Profile and Consensus: Writing long strings to one line in Python (Formatting)
Question: I'm trying to tackle a problem on Rosalind where, given a FASTA file of at
most 10 sequences at 1kb, I need to give the consensus sequence and profile
(how many of each base do all the sequences have in common at each
nucl... |
Make console-friendly string a useable pandas dataframe python
Question: A quick question as I'm currently changing from R to pandas for some projects:
I get the following print output from `metrics.classification_report` from
`sci-kit learn`:
precision recall f1-score support... |
Is there an equivalent for Glob in D Phobos?
Question: In python I can use glob to search path patterns. This for instance:
import glob
for entry in glob.glob("/usr/*/python*"):
print(entry)
Would print this:
/usr/share/python3
/usr/share/python3-plainbox
/usr/sha... |
Cannot build master of Tensorflow Serving
Question: I've built Tensorflow from source, CUDA 8.0, python 3.5, Ubuntu 16.04,
targeting a NVIDIA 1070, and it works fine.
> Python 3.5.2 (default, Jul 5 2016, 12:43:10) [GCC 5.4.0 20160609] on linux
> Type "help", "copyright", "credits" or "license" for more information.
>
... |
regarding the parameters in os.path.join
Question: I am trying to reproduce a python program, which includes the following line
of code
data = glob(os.path.join("./data", config.dataset, "*.jpg"))
My guess is that it will capture all `.jpg` files stored in `/data` folder.
But I am not sure the usag... |
How to call methods inside a class?
Question: I have a test Python class named calc with two methods `add` and `sub`. How
can I run the methods from the python prompt? I am at the python command line
">>>" and typing `import calc`. Then I type `calc.add(5,3)` and get "No module
named 'calc'". File name is `calc.py`.
... |
Locating a graphic function (Python)
Question: First off, thanks to the site and everybody on it. I am taking my first python
class and have come across this site many times when trouble-shooting coding
problems. Thanks to everybody who have already helped me out a little thus
far. But, I do have a problem I can't figu... |
Custom User Model ValueError: Related Model Django(1.9)
Question: There is an error when I try to add CustomUser model as ForiegnKey to a field
in django. The authentication is working using the CustomUser model but for
some reason I have getting this error:
ValueError: Related model 'authentication.User... |
Selenium - Login raises ElementNotVisibleException
Question: I am using Selenium Webdriver to login to a site. I've tried multiple
different selectors, and have tried implicit waits, but cannot locate the
element.
from selenium import webdriver
from selenium.webdriver.common.by import By
... |
Use requests module in Python to log in to Barclays premier league fantasy football?
Question: I'm trying to write a Python script to let me log in to my fantasy football
account at <https://fantasy.premierleague.com/>, but something is not quite
right with my log in. When I login through my browser and check the detai... |
How to specify log file name with spider's name in scrapy?
Question: I'm using scrapy,in my scrapy project,I created several spider classes,as the
official document said,I used this way to specify log file name:
def logging_to_file(file_name):
"""
@rtype: logging
@type file_name:str
@par... |
Python: Installing gooey using pip error
Question: I am trying to install Gooey for python and I keep on getting this error in
cmd ... I installed the latest version of pip and am running on the latest
version of python:
C:\Users\markj>pip install Gooey
Collecting Gooey
Using cached Gooey-0.9.2... |
How to parse a 'JSON string' file in Python?
Question: I am working on something that is quite similar to [this
topic](http://stackoverflow.com/questions/13938183/python-json-string-to-list-
of-dictionaries-getting-error-when-iterating).I downloaded a file which seems
like to be a JSON file. But when I open it in notep... |
Python re.search anomaly
Question: I have a routine that searches through a directory of files and extracts a
customer number from the filename:
import os
import re
suffix= '.csv'
# For each file in input folder, extract customer number
input_list = os.listdir(path_in)
for ... |
How to remove part of the string after specific word in Python
Question: I get API-responses as a string which can be in two different formats:
1) `This is a message. <br><br>This message was created by Jimmy.`
2)
This is a message.
Text can be in the new row.
This message was created... |
Using py2exe packing python program with ply got strange error?
Question: I downloaded the [PLY](http://www.dabeaz.com/ply/), and ran a simple test in
`ply3.8/test/calclex.py`
# -----------------------------------------------------------------------------
# calclex.py
# --------------------------... |
Importing multiple revisions in sync into SVN
Question: I have been developing a project without SVN for a while and now I wish to use
SVN. I have been keeping many revisions of this project as a series of
numbered tar.bz2 files (tarballs). I would like to import these many tarballs
into an SVN repository and keep the ... |
how can i call mutiple files(bash files) from subprocess.call in python
Question: #i am trying to run all the bash scripts in plugin folder
import sys,os,subprocess
folder_path=os.listdir(os.path.join(os.path.dirname(__file__),'plugins'))
sys.path.append(os.path.join(os.path.dirname(__fil... |
how to get a folder name and file name in python
Question: I have a python program named `myscript.py` which would give me the list of
files and folders in the path provided.
import os
import sys
def get_files_in_directory(path):
for root, dirs, files in os.walk(path):
pr... |
Python ctypes.BigEndianStructure can't store a value
Question: I am in trouble with ctypes.BigEndianStructure. I can't get the value that I
set to one the fields. My code is like this.
import ctypes
class MyStructure(ctypes.BigEndianStructure):
_pack_ = 1
_fields_ = [
('fx... |
Getting python to run an application when the application needs an input file
Question:
import subprocess
subprocess.call(['C:\\Users\michael\\Desktop\\Test\\pdftotext'])
pdftotext is the application that will run if I use this ^ code. This works
fine, however, I'm trying to find a way to run pdftotext t... |
can a return value of a function be passed in the where clause
Question: I have a python code that displays a list of station ID and air temperature
for certain number of days. In the code below I have passed the dates as a
list. But that is cumbersome coding since I have to write all the dates in the
list. Is there an... |
truncated incorrect value
Question: I have a python code that displays a range of dates. In the code below I have
passed the dates in the select operation by casting the dates and using
STR_TO_DATE function. I want to know how a range of values with start and end
date can be passed in the query below. what i want to ac... |
Convert string of list of dictionary to Python DataFrame
Question: I have a .JSON file which is around 3GB. I would like to read this JSON data
and load it to pandas data frames. Below is what i did so far..
Step 1: Read JSON file
import pandas as pd
with open('MyFile.json', 'r') as f:
data ... |
Python itertools with multiprocessing - huge list vs inefficient CPUs usage with iterator
Question: I work on n elements (named "pair" below) variations with repetition used as
my function's argument. Obviously everything works fine as long as the "r"
list is not big enough to consume all the memory. The issue is I hav... |
Get password in Python Programming Language
Question: Is there any builtin function that can be used for getting a password in
python. I need answer like this
Input: Enter a username: abcdefg Enter a password : ******** If i enter a
password abcdefgt. It shows like ********.
Answer: ### Original
There is a function... |
Send data from django to html
Question: I want to get data from database and send that to html page using django-
python.
What I'm doing in python file is
def module1(request):
table_list=student.objects.all()
context={'table_list' : table_list}
return render(request,'index.h... |
Python pandas producing error when trying to access 'DATE' column on large data set
Question: I have a file with 3'502'379 rows and 3 columns. The following script is
supposed to be executed but raises and error in the date handling line:
import matplotlib.pyplot as plt
import numpy as np
import ... |
trying to scrape text from html that doesnt have any distinctive tags except br, PYTHON 3
Question: so I have been making a scraping program for my company websites but I have
run into an issue, basically I need to scrape out test from a html table but
The I am having trouble getting the data I need.
HTML CODE
... |
Convert float to string without scientific notation and false precision
Question: I want to print some floating point numbers so that they're always written in
decimal form (e.g. `12345000000000000000000.0` or `0.000000000000012345`, not
in [scientific notation](https://en.wikipedia.org/wiki/Scientific_notation),
yet I... |
Importing pyplot in a Jupyter Notebook
Question: Running Python 2.7 and trying to get plotting to work the tutorials recommend
the below command.
from matplotlib import pyplot as plt
Works fine when run from the command line
python -c "from matplotlib import pyplot as plt"
but ... |
How to jump on specific Page usinig Beautifulsoup
Question: I want to get data for Product which are search by user in python.I am able to
get data from any Urls but depending upon search Jump on that page and Get
data Using beautifulsoup.
I Try this for get data :
from bs4 import BeautifulSoup
impo... |
Using sed to interpret multiple lines on condition
Question: I'm stuck on constructing a **sed** expression that will parse a python file's
imports and extract the names of the modules.
This is a simple example that I solved using (I need the output to be the
module names without 'as' or any spaces..):
... |
HeatMap visualization
Question: I have a dataframe df1
df1.info()
<class 'pandas.core.frame.DataFrame'>
RangeIndex: 38840 entries, 0 to 38839
Data columns (total 7 columns):
TIMESTAMP 38840 non-null datetime64[ns]
ACT_TIME_AERATEUR_1_F1 38696 non-null flo... |
Monitoring the asyncio event loop
Question: I am writing an application using python3 and am trying out asyncio for the
first time. One issue I have encountered is that some of my coroutines block
the event loop for longer than I like. I am trying to find something along the
lines of top for the event loop that will sh... |
Make a list of every column in a file in Python
Question: I would like to create a list for every column in a txt file. The file looks
like this:
`NAME S1 S2 S3 S4 A 1 4 3 1 B 2 1 2 6 C 2 1 3 5`
PROBLEM 1 . How do I dynamically make the number of lists that fit the number
of columns, such that I can fill them? In som... |
How to use subprocess to interact with a python script
Question: I'm writing an IDE for python, in python, and need to use subprocess to
intereact with a user's script.
I am completely new to using subprocess and not sure what I'm doing here. I've
created a test snippet representing what I'm trying to do:
... |
Regular expressions in python to match Twitter handles
Question: I'm trying to use regular expressions to capture all Twitter handles within a
tweet body. The challenge is that I'm trying to get handles that
1. Contain a specific string
2. Are of unknown length
3. May be followed by either
* punctuation
... |
get Json data from request with Django
Question: I'm trying to develop a very simple script in Django, I'd collect a Json data
from the request and then store all data in the database.
I developed one python script that I'm using to send the Json data to the
Django view, but I'm doing something wrong and I can't under... |
Using python regex to find repeated values after a header
Question: If I have a string that looks something like:
s = """
...
Random Stuff
...
HEADER
a 1
a 3
# random amount of rows
a 17
RANDOM_NEW_HEADER
a 200
a 300
...
More random stuff
...
""... |
Choosing python data structures to speed up algorithm implementation
Question: So I'm given a large collection (roughly 200k) of lists. Each contains a
subset of the numbers 0 through 27. I want to return two of the lists where
the product of their lengths is greater than the product of the lengths of any
other pair of... |
How to call a function that is later in a Python script?
Question: I am currently learning Python for some penetration testing and was practicing
making password cracking scripts. While I was making a script for a telnet
pass cracker I ran into a problem with some of the functionality of it. While
trying to allow the u... |
Exiting interactive python3 session from script
Question: I'd like my program to automatically exit if it detects an error when loading
a file and parsing it (even when called from an interactive mode with -i).
I've tried variations of `exit()` and `sys.exit()`, but nothing seems to be
working. Instead of exiting the i... |
Or statements for complex regex formation in python
Question: I need to formulate a regex to pick up only the first part of a particular
string rather than the second part. For example:
(part1) (Part2)
SAI Table
... |
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