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entering console inputs from within python file Question: In my python file, I have made a GUI widget that takes some inputs from user. I have imported a python module in my python file that takes some input using raw_input(). I have to use this module as it is, I have no right to change it. When I run my python file, ...
adding lines in C code using Python script Question: I need to calculate the execution time of a loop in C code and for that i need to write a python script that adds "gettimeofday" before and after the loop by detecting the comments before and after the loop. Here is the code: int main(int argc, char**...
Setting up Emacs24 for python development Question: I want to configure Emacs24 for python development. So far I've fallowed the instructions in [this blog post](http://www.yilmazhuseyin.com/blog/dev/emacs- setup-python-development/) and done all the steps successfully, but nothing happened when I reopened Emacs. It's ...
Django: New class added in model.py not showing in admin site Question: I'm a front-end dev struggling along with Django. I have the basics pretty much down but I've hit at wall at the following point. I have a site running locally and also on a dev machine. Locally I've added an extra class model to an already existi...
The included urlconf xxxx.urls doesn't have any patterns in it Question: I want to get an url in a modelform class. I have seen in [The included urlconf manager.urls doesn't have any patterns in it](http://stackoverflow.com/questions/6482573/the-included-urlconf-manager- urls-doesnt-have-any-patterns-in-it). But **reve...
How to decrypt ciphertext using openssl in C? Question: How do I able to decrypt a cipher text which is encrypted using AES in python. Encrypt.py Using this I made cipher text using AES and concatenated that with the IV and wrote that in to a file file.txt. from Crypto.Cipher import AES import hash...
Django model export on MySql server Question: I imported the external database into my project , thereby converting it to `models.py` file using `python manage.py inspectdb > models.py` command. Now I have edited the models.py file by adding another class. How can I export the `models.py` file onto the MySql server wi...
TypeError: decoding Unicode is not supported python Question: I am using lxml.html to parse an html file and get the text from the page. Bur now I have a string which has a character `'` for example `Florian's` due to which, while printing the output I get traceback parent_link_id_text = parent_link_id....
Creating a keyword based search in python Question: I have a giant CSV file with close to 6K entries and the file looks something like this: PDB ID NDB ID Structure Title Citation Title Abstract 1ET4 1ET4 Structure of Solution structure Research was performed and ...
How to convert multiple lists to dictionaries in python? Question: ['*a*', '*b*', '*c*', '*d*', '*f*','*g*'] ['11', '22', '33', '44', '', '55'] ['66', '77', '88', '', '99', '10'] ['23', '24', 'sac', 'cfg', 'dfg', ''] need to put in dictionary as: {a : ('11','66','23'),b : ('22','77...
Python sub process call Question: What i am trying to accomplish in a few words is this: change directories and call script from shell. So far so good i have managed to change directories with `os.chdir()` . However i haven't been able to understand how to syntax the second part of the given task. Specifically, the c...
Editing a duplicate list edits the original Question: So I've started a simple sort of roguelike game project in python, but I have problems with editing a duplicate list editing the original. The code is as follows: charx = 1 chary = 1 level = [["#","#","#","#","#","#","#"],["#",".",".",".",".",...
Scapy problems when importing modules Question: I recently started programming in python and scapy. But when i use from scapy.all import * it doesnt work and i get the exception ImportError: No module named 'base_classes'. So it is finding the folder all, but cannot find base_classes. I verified however that base_class...
System Paths and Modules Question: I have the following setup: /project/ /api/ __init__.py test.py /modules/ __init__.py api.py I am trying to, from the /project/ directory, run api.py: `python modules/api.py` The api module attempts ...
how to add path with module to python? Question: I try to build V8 javascript engine. When I try to invoke the command `python build/git_v8`, I get error: File build/gyp_v8, line 48 in < module > import gyp ImportError: No module named GYP How I can tell python where search GYP module ...
Python 2.7, pygame, combing pause and unpause button. Question: I am coding a simple music player. I have searched the other questions in Stackoverflow, however, the solutions do not work with my pygame build. My code is below. I am using Tkinter for the gui build. import sys from Tkinter import * ...
Calling a method from a parent class in Python Question: Can anyone help me with the correct syntax to call my method `__get_except_lines(...)` from the parent class? I have a class with a method as shown below. This particular method has the 2 underscores because I don't want the "user" to use it. NewP...
pip not installing to site-packages directory from within virtualenv when I use a requirements.txt Question: I'm relatively new to running Python with virtualenv so this might be an easy fix, but I can't for the life of me figure out what's going on. I'm running Windows 7 professional x64 with Python 2.7.5 installed I ...
tf-idf using data on unigram frequency from Google Question: I'm trying to identify important terms in a set of government documents. Generating the term frequencies is no problem. For document frequency, I was hoping to use the [handy Python scripts and accompanying data](http://norvig.com/ngrams/) that Peter Norvig ...
Display a georeferenced DEM surface in 3D matplotlib Question: I want to use a DEM file to generate a simulated terrain surface using matplotlib. But I do not know how to georeference the raster coordinates to a given CRS. Nor do I know how to express the georeferenced raster in a format suitable for use in a 3D matplo...
matplotlib agg ticks when rendering floating points Question: This is the same problem as here: [python odd axis ticks, matplotlib](http://stackoverflow.com/questions/16895980/python-odd-axis-ticks- matplotlib). Except no one is following that question so to make it little clearer: I'm using a Linux machine: ...
AttributeError: 'module' object has no attribute 'ClassType' Question: Ok so I've been trying to type the command: python but it ends up spitting this out: Traceback (most recent call last): File "C:\Python27\lib\site.py", line 62, in <module> import os File "C:\Python27\lib\os.py", l...
Python: encode special charecter Question: I'm trying to encode a string containing '-' (minus) symbol to iso8859-15, it will return the string as it is. for eg: str="abc-def" Expected output is abc%2Ddef Is there any way to do this? sorry me if my question is wrong. Answer: ...
How to calculate how much Ip Addresses have between two Ip Addresses? Question: I have two Ip Addresses, and I want to count how many Ip Addresses there are in the range between the two. Example: IP_START = "127.0.0.0" IP_END = "127.0.1.1" SUM_OF_IP_ADDRESS = 257 Does anyone know...
Hashlib: optimal size of chunks to be used in md5.update() Question: This is in reference to [Get MD5 hash of big files in Python](http://stackoverflow.com/questions/1131220/get-md5-hash-of-big-files- in-python) and [Hashlib in Windows and Linux](http://stackoverflow.com/questions/4418042/hashlib-in-windows-and- linux)...
Why does python allow an empty function (with doc-string) body without a "pass" statement? Question: class SomeThing(object): """Represents something""" def method_one(self): """This is the first method, will do something useful one day""" def method_two(self, a, b): ...
Cast an object to a derived type in Python Question: I want to cast an object of type A to type B so I can use B's methods. Type B inherits A. For example I have class my class B: class B(A): def hello(self): print('Hello, I am an object of type B') My Library, Foo, has a functi...
Does numpy.ma allow masking of sub-masked arrays in a masked array? Question: I am writing some code in Python 2.7 (using pydev in eclipse, Mac OSX) to gather information about a big set of card information stored in xml files. The cards are from Magic the gathering and all have a very similar card structure (Name, cos...
Python urllib2 - cannot read a page Question: I am using `urllib2` in `Python` to scrape a webpage. However, the `read()` method does not return. Here is the code I am using: import urllib2 url = 'http://edmonton.en.craigslist.ca/kid/' headers = {'User-Agent': 'Mozilla/5.0'} reques...
Unbind default button behavior in wxPython Question: I am writing an interface where I'd like to have a user click a button, then capture his next keystroke. I can currently capture all the keys on the keyboard, except for those like tab or the arrow keys which cause the button to lose focus when pressed. I know that ...
python csv reader selecting specific rows Question: Suppose we have a text file as given below: sfgsdgfs >sfsf > "assfgs.jpg">sggw.sgw sgsdfghsg>sdgsgsgsg[] werw>"erqwer.jpg">egfwrewrw How to extract the rows that contain .jpg? What is wrong with the following code? import cs...
Calculate Similarity of Sparse Matrix Question: I am using Python with numpy, scipy and scikit-learn module. I'd like to classify the arrays in very big sparse matrix. (100,000 * 100,000) The values in the matrix are equal to 0 or 1. The only thing I have is the index of value = 1. a = [1,3,5,7,9] ...
displaying graph after importing txt file matplotlib Question: I am writing a simple program to output a basic graph after importing a text file. i get the following error: Traceback (most recent call last): File "C:\Users\Chris1\Desktop\attempt2\ex1.py", line 13, in <module> x.append(int(x...
python multi thread to process file with fcntl flcok Question: I try to use python to handle text replace problem. There is a file of Little- endian UTF-16 format, I want to replace the ip address in this file. First, I read this file by line, then replace the target string, last, I write the new string to the file. Bu...
solve an n-dimensional optimisation probl using iminuit Question: I woul like to solve an n-dimensional optimisation problem using iminuit. So my approach is the following. I am trying to figure out how to extend this: def f(x,y,z): return (x-1.)**2 + (y-2*x)**2 + (z-3.*x)**2 -1. to a vari...
Is a general-purpose function/object doubling decorator feasible in Python? Question: **Background:** Let's say that we have a function that opens a frequently-used database connection, something essentially like the following but with additional bells and whistles: import getpass import MySQLdb...
python: create and update a datetime field in a sqlite db Question: I have a data structure that I'm iterating through: SomeList = [[ID, VarA, VarB, DateC, VarD],[ID2, VarA2, VarB2, DateC2, VarD2]...] The DateCX variables will always be of the form: "2013-07-15T13:58:55Z" I've...
Trouble accessing JSON data in Python for loop Question: I can read in the JSON data and print data but for some reason it is reading it in as unicode so I cannot use the simple dot notation to get at the data. test.py: #!/usr/bin/env python from __future__ import print_function # This script requir...
Setuptools setup.py installing when dependencies not satisfied Question: I have a `setup.py` that looks a bit (okay, exactly) like this: #!/usr/bin/env python from setuptools import setup import subprocess import distutils.command.build_py class BuildWithMake(distutils.command.b...
Python style: use imported class as namespace for related custom data? Question: I was wondering if it's ok to use an imported, 3rd-party class as a namespace for you related custom variables? Say, the following code: import pycurl curlm = pycurl.CurlMulti() curlm.pool = [pycurl.Curl() for i...
Python 2: SMTPServerDisconnected: Connection unexpectedly closed Question: I have a small problem with a sending Email in Python: #me == my email address #you == recipient's email address me = "some.email@gmail.com" you = "some_email2@gmail.com" # Create message container - the corre...
Recursive function gives no output Question: I'm scrapping all the URL of my domain with recursive function. But it outputs nothing, without any error. #usr/bin/python from bs4 import BeautifulSoup import requests import tldextract def scrap(url): for links in ...
Play 2 sounds simultaneously with multiprocessing in python Question: I need to play 2 sounds simultaneously, with multiprocessing rather than threads, to see if it solves a problem where threads play the audio in sequence rather than in parallel. I am guessing it's due to the Global Interpreter Lock (GIL) in python. ...
How do I catch a 404 error in urllib? (python 3) Question: I've been reading tens of examples for similar issues, but I can't get any of the solutions I've seen or their variants to run. I'm screen scraping, and I just want to ignore 404 errors (skip the pages). I get _'AttributeError: 'module' object has no attribute...
Socket echo server in go Question: I'm trying to implement a simple socket echo server in go this is the code: package main import ( "fmt" "net" "sync" ) func echo_srv(c net.Conn, wg sync.WaitGroup) { defer c.Close() defer wg.Done() ...
What is the fastest way to do I/O in Python? Question: Like those programming challenges, right now I do the following: For a single variable: x = int(sys.stdin.readline()) for many variables A, B, C = map(int,sys.stdin.readline().split()) Is this optimal or are there faster w...
Python Printing A List Issue Question: I'm really struggling to work out how to print to a list. I'd like to print the server response codes of URLs I specify. Do you know how I'd alter to code to print the output into a list? If not, do you know where I'd find the answer? I've been searching around for a couple of wee...
Getting a list of values from a list of dict in python: Without using list comprehension Question: I have a list of dict for example, [{'id': 1L, 'name': u'Library'}, {'id': 2L, 'name': u'Arts'}, {'id': 3L, 'name': u'Sports'}] Now, I have to retrieve the following list from this dict without using...
Running webapp2 app in a multiple WSGI apps set up with Werkzeug Question: I am trying to run a django app and a webapp2 app together in one python interpreter. I'm using werkzeug for that as described [here](http://flask.pocoo.org/docs/patterns/appdispatch/). Here's my sample code. from werkzeug.wsgi i...
Return a Dynamic png from Pylons Question: What I'm trying to do is have my Pylons app dynamically generate an image based on some data, and return it in such a way that it can be viewed in a browser. So far I am generating my image like this: import Image, ImageDraw image = Image.new("RGB", (width,...
tkinter progress bar with file list Question: I have a loop that read files in python like below: def Rfile(): for fileName in fileList: …. How can I add a tkinter progress bar that will be linked to the for loop and the size of the fileList (start before the loop and close after the lo...
Using a text file to receive a string for a variable in Python, without defining it Question: I have a text file in which there are several variables. Most of them are used in a Bash script of mine, but I'd like to use the same text file for my Python script. For the lines that are not properly formatted for Python, I ...
mixing pixels of an image manually using python Question: I am trying to create an algorithm that blends the pixels of an image and I can bring the image as it was before, but I do not know do this. I'm using python and pil, but I can use other libraries. Exemple: ![enter image description here](http://i.stack.imgur....
Python/WXWidgets: ST_NO_AUTORESIZE not being honored for wx.StaticText Question: I want to throw up a view in the center of the screen at a fixed size, with some static text being displayed centered both horizontally and vertically. So far, I have the following code: import wx class DisplayText(wx.D...
Python Random Map Generation with Perlin Noise Question: Recently, I've been attempting to defeat one of my main weaknesses in programming in general, random generation. I thought it would be an easy thing to do, but the lack of simple information is killing me on it. I don't want to sound dumb, but it feels to me like...
Upload file with framework Zope Question: I would like that users of my ZOPE/Plone website can upload (big) file (>1Gb) on a server. I have a form in html : <form enctype="multipart/form-data" action="upload.py" method="post"> <p>File: <input type="file" name="file"></p> <p><input type="submit" ...
What are \xHEX characters and is there a table for them? Question: When reading a textfile, I read these characters, when printed out to console it outputs blanks or �: ['\x80', '\xc3', '\x94', '\x99', '\x98','\x9d', '\x9c', '\xa9', '\xa6', '\xe2'] What are these \xHEX characters? Is there a link t...
Python-twitter api.VerifyCredentials() returns none Question: I am using python-twitter api and i got consumer_key, consumer_secret, access_token_key, access_token_secret but when i try code below i got this output {} for `print api.VerifyCredentials()` and i got none for `print status.text` import twitt...
Python: run through all integer combinations subject to a constraint (find the minimum of a function) Question: I would like to find a way to return the set of all vectors [x_1,...,x_n] subject to the constraint x_1+...+x_n=constant, each x_i is a nonnegative integer, and the order doesn't matter. (so [1,1,1,2]=[2,1,1,...
Mysql named placeholders in python used in the IN clause Question: I prefer to use named placeholders when hacking MySQL bound python code, but it seems that I can't get it just right with the `IN` clause. An example: con = MySQLdb.connect(db='test', user='test') cur = con.cursor() Three too si...
flask-classy and peewee, metaclass conflict error Question: I'm trying to get my user class to work with both BaseModel and FlaskView. This results in the metaclass conflict error and I can't solve it. Things I have tried to fix the problem: This didn't work because of the _from noconflict import classmaker_. The ex...
Element Tree doesn't load a Google Earth-exported KML Question: I have a problem related to a Google Earth exported KML, as it doesn't seem to work well with Element Tree. I don't have a clue where the problem might lie, so I will explain how I do everything. Here is the relevant code: kmlFile = ope...
For each and every ssh command asks for password, Python Question: I am trying to execute the following code, which asks me password for each and every ssh command though I provide my password in the code. Can any one please tell me where I am doing mistake. Thanks in advance import signal from subpr...
Cannot get Cython to find the MinGW gcc compiler even after editing PATH, making a file in distutils, removing all instances of -mno-cygwin Question: I am trying to get cython to realize I have a c compiler in MinGW 32-bit and I've tried everything I can find on the web but it's still not working. I am running Windows ...
Printing one variable from a netCDF file using Python Question: I am trying to take one variable from a netCDF file and print it. here is my code import netCDF4 import netCDF4_utils from netCDF4 import Dataset from numpy.random import uniform import csv B = [] rootgrp = Datas...
Django issue with adding instances to a class Question: The code below this compiles, but whenever I uncomment purchase_date, po_number, or confirmed it's giving me an error. I tried python manage.py syncdb after uncommenting those lines and it's stil giving me errors. from django.db import models ...
Constrain wxPython MultiSplitterWindow panes Question: **Edit:** I'm leaving the question open as is, as it's still a good question and the answer may be useful to others. However, I'll note that I found an actual solution to _my_ issue by using a completely different approach with `AuiManager`; see the [answer](http:/...
How to extract contents of a csv file and place them in a dict file type without using csv module. [python] Question: Here is the information in the file: "Part no.","Description","Price" "453","Sperving_Bearing","9900" "1342","Panametric_Fan","23400" "9480","Converter_Exchange","93859" ...
How to specify that a parameter is a list of specific objects in Python docstrings Question: I really like using docstrings in Python to specify type parameters when projects get beyond a certain size. I'm having trouble finding a standard to use to specify that a parameter is a list of specific objects, e.g. in Haske...
Python inspect.getcomments(module) doesn't return the first comment if it's a shebang Question: When a Python file contains a shebang (`#!blabla`), the function `getcomments` from the module `inspect` doesn't return it. What can I do to get the shebang from a module object? Answer: The shebang is only valid if it is ...
Python strip. can't strip newlines but using f.read() Question: Such a simple action, but I canoot get this to work!!!.. If I have a file that has a number of lines containing text, I want to strip all newlines and whitespace and have a single contigous string from the contents of the file. I've written a very simple ...
Website remote render d3.js server side Question: Looking for a solution to an arguably strange problem. Ok, so we are using d3.js to plot charts and graphs. However our data sets can be very small, to intensely massive. Right now most of what we are doing is internal and just prototyping. However, we do show clients t...
Generating unique usernames from an email list for creating new users in django application Question: I am importing contacts from gmail. `c_lst` is the list that has the names and email address in a dictionary as follows - `[{'name': u'fn1 ln1', 'emails': [u'email1@gmail.com']}, {'name': u'fn2 ln2', 'emails': [u'email...
How to parse a collection of lists returned from cypher? Question: Using python/py2neo, I run a cypher query containing return ..., ..., collect([node1.uuid, node1.timestamp, id(node1), node2.uuid]) Both in web console and py2neo I get back a result looking like this: [ ..., ..., [u...
can't get make to use previously defined var's Question: I'm using the [GnuWin32](http://gnuwin32.sourceforge.net/) project, and created a `makefile` to manage the compiling of some code. In the command line I run: set PYUIC=python "E:\PortableApps\Portable Python 2.7.3.1\App\Lib\site-packages\PyQt4\uic\...
How to run webapp2(appengine) in Heroku? Question: Here is my project file Procfile web: python main.py requirement.txt webapp2==2.3 main.py import webapp2 class MainHandler(webapp2.RequestHandler): def get(self): self.response.write...
Using a DOT graph as a basis for tree GUI Question: I want to use a graph that is generated by DOT (pyDot in python) as the basis for an interactive Tree-structured GUI in which each of the nodes in the Tree could be widgets. The tree will basically be a binary Morse Code tree which start at the top node and navigate ...
Release memory in a code using matplotlib? Question: Well, I tried many things and I'm almost convinced that there is no way to solve my problem. Here I go... I'm writing a simple software with tkinter and in one part of this software I use matplotlib and basemaps to provide some maps to the user. The problem is that i...
using flask-sqlalchemy without the subclassed declarative base Question: I am using Flask for my python wsgi server, and sqlalchemy for all my database access. I _think_ I would like to use the Flask-Sqlalchemy extension in my application, but I do not want to use the declarative base class (db.Model), instead, I want...
Python, argparse: different parameters with different number of arguments Question: I would like to write a Python script called `sync` that has three or four modes of operation, each receiving a different number of arguments. For example, sync set_version <build> <version_number> sync get_version <b...
urllib2 fails when URL has a port number appended Question: The code below: import urllib2 file = urllib2.urlopen("http://foo.bar.com:82") works just fine on my mac (OS X 10.8.4 running Python 2.7.1. It opens the URL and I can parse the file with no problems. When I try the EXACT same code (th...
Printing not working in certain python functions Question: Here is the code in trouble, should be self-explanatory with the comments: import numpy as np import sys A = np.matrix([[1, 1], [2, 0]]) x0 = np.matrix([1, 0]).reshape(2, 1) thresh = 1e-3 def inv_powerm(A, x0, thresh...
Python Regex - How to remove text between 2 characters Question: How can I remove anything between `")"` and `"|"` For example, str = "left)garbage|right" I need the output to be `"left)|right"` Answer: >>> import re >>> s = "left)garbage|right" >>> re.sub(r'(?<=\)).*?(?=\|)', '', s...
Python convert date string to python date and subtract Question: I have a situation where I need to find the previous date from the `date_entry` where the `date_entry` is string, I managed to do this: >>> from datetime import timedelta, datetime >>> from time import strptime, mktime >>> date_str ...
Animation using matplotlib with subplots and ArtistAnimation Question: I am working on an image analysis and I want to create an animation of the final results that includes the time-sequence of 2D data and a plot of the time sequences at a single pixel such that the 1D plot updates as the 2D animation progresses. Then...
Python 3 unicode encode error Question: I'm using glob.glob to get a list of files from a directory input. When trying to open said files, Python fights me back with this error: > UnicodeEncodeError: 'charmap' codec can't encode character '\xf8' in > position 18: character maps to < undefined > By defining a string v...
Raw_input inside a Python process Question: I have created a small script in python where I want to execute two function on the same time using multiprocessing. The first function would do a directory recursive search and the second one will display some questions to the user. Although the .txt file is created the ques...
Is there a way to make local titles using subplot2grid in Python Question: I'm using suplot2grid like in the example in the matplotlib page: ax1 = plt.subplot2grid((3,3), (0,0), colspan=3) ax2 = plt.subplot2grid((3,3), (1,0), colspan=2) ax3 = plt.subplot2grid((3,3), (1, 2), rowspan=2) ax4 = p...
Simplest method to call a function from keypress in python(3) Question: I have a python application in which a function runs in a recursive loop and prints updated info to the terminal with each cycle around the loop, all is good until I try to stop this recursion. It does not stop until the terminal window is closed ...
Python for loop breaks text based game Question: #!/usr/bin/env python import random import time import os class vars: running = 1 def win (): print("You escaped!") vars.running = 0 time.sleep(4) return 0 def main (): char_...
Existing Tkinter Code that Takes an Input String to Another String Question: I already posted about this, however, my purpose here is different. I believe there should be code around that does something very similar to this. I was hoping someone might have an idea of where to look for examples like this (interfaces of ...
thread safe python dictionaries? Question: I have a function call that starts 10 threads. Before the start of these threads , I have from collections import defaultdict output = defaultdict(dict) and output is empty. Each thread will generate data to write to the dictionary. Something like: ...
python timeout using os.system Question: So, I know everyone is going to tell me to use the subprocess module, but I can't use that for the project I am working on since Piping simply doesn't want to work with wxpython and py2exe on my system. So, I've been using the os.system call. I need to know how to wait for the ...
Sending to Exchange: How to Disable Disable Lossy Conversion of HTML to RTF? Question: I have a python script which sends a multipart email with text, html, and ics attachments. The idea is that a modern email client will render the HTML part and offer to add the event to the user's calendar. Code looks like: ...
efficiently swap a python dict's keys and values where the values contain one or more elements Question: Suppose I have a dict: x = { "a": ["walk", "the", "dog"], "b": ["dog", "spot"], "c":["the", "spot"] } and want to have the new dict: y = { "walk": ["a"], "the": ["a", "c"], "dog...
Python Bible verse lookup Question: I'm fairly new to python and I'm trying to learn. I'm writing a program that will import a text file that contains the king james bible. The user would have to enter in the bible verse for instance gen 1:1 or gen 1:1-10 and it will either display that verse or verses upon raw data in...
Python : How to parse the Body from a raw email , given that raw email does not have a "Body" tag or anything Question: It seems easy to get the From To Subject etc via import email b = email.message_from_string(a) bbb = b['from'] ccc = b['to'] assuming that...
how to import module from other directory in python? Question: This is my directory tree Game/ a/ 1.py ... b/ 2.py In 2.py I want import function display from 1.py. First I keep both file in same folder there is no problem.But how to import from other loc...
python list group by first character Question: list1=['hello','hope','hate','hack','bit','basket','code','come','chess'] What I need is: list2=[['hello','hope','hate','hack'],['bit','basket'],['code','come','chess']] If the first character is the same and is the same group, then sublist ...
work winth cassandra on centos Question: I have a problem when I want to work with cassandra in centos Every thins is right, I have installed Python,DJango and cassadnra on it but when I want ro un my project I have an error in importing cqlengine to my project. Can any one help me about it. Thanks Answer: You need t...