15,175 Topics
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| | hi friends i am a beginner in python programming. I have written code to download 16 pdf files. I am getting the pdf file but I am unable to open the file it is showing error. please help me. [CODE]import re,urllib url="http://www.ncbi.nlm.nih.gov/books/NBK16" id1=[30,24,25,28,22,23,14,33,21,29,16,27,18,20,17,26] j=1; for i in id1: address= url+str(i)+'/pdf/ch'+str(j)+'.pdf' … |
| | Trying to call the gcd from the constructor but I keep getting either a global error or gcd is not defined error. Any suggestions? The program is supposed to reduce fractions immediately. So I got rid of the add. [CODE]class Fraction: def __init__(self,m,n): self.num = m self.den = n gcd() … |
| | Hi All i have downloaded following code from web that inputs sound samples and displays spectrum, i want to print frequencies present in each second in the spectrum.i.e when ever the spectrum is displayed i want to print those frequencies as well on the console. Below is the code i … |
| | Hello python experts! I have a simple script that sends an email with no problem, in order to interface with vb6 I'm tried to modify the entire code into COM service...but I'm having trouble with this error..global name 'MIMEMultipart' is not defined which is on the send_email method. any help … |
| | Hi, I am a new user and I want to show you my Python library. [B][I][U][COLOR="Red"]pypol[/COLOR][/U][/I][/B] pypol is a Python library that allows you to manipulate monomials, polynomials and algebraic fractions. An example: [CODE]>>> import pypol >>> a = pypol.polynomial('3xy - 3a^2 + 2b') >>> a - 3a² + 3xy … |
| | Hei, I tried to find "dynamic programming" algorithms in Python. If anyone has examples of what it means a dynamic programming, it's would be nice. (Please not post Wikipedia links). Google -> c++, java and other, not Python. Thanks!  |
| | hi, i'm new to python. i want to read from a text file (as attached) and i want to plot a scatterplot. i want to plot lane as X-axis, EyVt and EyHt as Y-axis. i have a sample code but i need help on how to get python start reading … |
| | Hi, I'm new to Python and having difficulty opening my .py file (ex1.py). In the command prompt I cd to the folder containing the file and when I try to open it nothing happens. The prompt just gives me a new line. It looks like this... 1. I open the … |
| | I have this IRC bot that I am hard coding from scratch just for kicks. In it I pasted all of my functions to a separate file so that it saves spaces on my eyes when I code the mainframe. So on my imports I have: [code] import socket, re, … |
| | Hi, I'm a relative newb to Python and I'm starting my first major project - a logarithmic graphing system. I'm using tkinter for the GUI part of the design, but I've run into a problem. Basically, I want my graph (a tk canvas) to appear in the same (root) window … |
| | Hello dears. I am using python 2.6 in Ubuntu 10.10. I need an interface that make me able to trace my project. for example portable python ver 1.1 has this ability. please intruduse me an interface that be compatible with my os. Thanks. |
| | I'm using Python, PyQt4, and QtWebKit to load a web page into a bare-bones browser to examine the data. However, there is a small issue. I'm trying to get the contents and src of every iframe on the loaded page. I'm using [B][I]webView.page().mainFrame().childFrames()[/I][/B] to get the frames. To problem is, … |
 | I don't know if anyone here is familiar with the Scala digital signage programs but hopefully this question can be answered without any knowledge of it, just in case... I am working with a Python script that checks a csv file and shares some of the info with a scala … |
| | im trying my hand at calling c functions from python. im reading up the tutorial [URL="http://csl.sublevel3.org/C-functions-from-Python/"]http://csl.sublevel3.org/C-functions-from-Python/[/URL]. however part of the tutorial says that i should [QUOTE]Compiling dynamic libraries on Mac OS X is different from the usual gcc -shared you might be used to: gcc -dynamiclib -I/usr/include/python2.3/ -lpython2.3 -o myModule.dylib …  |
| | Hi. I have an external file where I have the results of a dictionary: [CODE]google.com {'facebook.com': 230, 'yahoo.com': 9, 'fifa.org': 67, 'msn.com': 3} yahoo.com {'apps.facebook.com': 13, 'msn.com': 9, 'myp2p.eu': 2} [/CODE] The results show the search engines, the links have been clicked from the search engine and the number of … |
 | Is there any difference between polymorphism implemented in c++ and the one implemented in python ?  |
| | [code] class A: def __init__(self): print 'A()' class B(A): def __init__(self): A.__init__(self) print 'B()' class C(B): def __init__(self): B.__init__(self) print 'C()' c = C() [/code] Cans omeone help me explaining what am I doing wrong here? I`m getting an error like: [code] B.__init__() TypeError: unbound method __init__() must be called … |
| | hi all........ file1 99 root S 5176 95 [B]41.2[/B] 8.3 snmpd file2 99 root S 5176 95 [B]1.0 [/B] 8.3 snmpd i want to caluculate difference between two files fifth column(i.e bolded columns as mentioned above).. thanks in advance...:'(:)  |
| | I have two codes in C and in Python. They gave me different results. Can anybody explain how they works, why I get different results? Thank you in advance!!! In C: ----------- #include <stdio.h> int main() { int a = 100; printf("%d = %02x\n", a, a); a = ~a; printf("%d … |
| | Hi guys, this is the first time for me to post something, i'm really a big fan of the site and so far every time i get stuck in something at uni i come to here. so thanks for helping me survive so far. anywho, i'm here because i need … |
 | You can download the matplotlib free from: [url]http://matplotlib.sourceforge.net/[/url] It has, amongst many other things, the module pylab that allows for high quality plotting of data. All you have to do is to feed it a list of x values and the corresponding list of y values calculated from the x … |
| | I am having a problem using the common dialog in PyQT. For some reason, when I try and import 'QFileDialog', I get a not found error, same with importing QDialog. I am on Py 2.7 (was 2.6) using 'PyQt-Py2.7-x86-gpl-4.8.2-1'. I can import QTCore and QTGui just fine. I thought PyQT4 … |
| | Hello, Iam trying to get a table from the html page.I succeeded in getting the table values.But i have problem in getting the field names in the 1st column. [CODE]# Getting the field names.How to strip the 'b' and get only the names paramKey = table.findAll('b') print paramKey[/CODE] The above … |
| | Hey guys, I've been lurking around these forums for a few weeks now, and this website is by far the most helpful of any site I've visited as far as honing my newfound Python skills, and I figured it's time I jump in and ask some of the more specific … |
| | Hey guys...Need some help with a program for class...here's the assignment If your program detects an error condition, you can make it raise an exception. Here is an example that gets input from the user and checks for the value 17. Assuming that 17 is not valid input for some … |
| | hey guys and girls i am having a bit of a problem with my code [CODE] import os,string,sys,pprint,time,glob from datetime import datetime, timedelta fileList = os.walk('.')#if i use glob.glob it does not show any files now = datetime.now() TWA = now + timedelta(days=-1) #print(TWA) files=str() for files in fileList: fileStats … |
| | I am relatively new to Python and just have a couple quick questions about using file paths in Python code. 1) As I was recently playing around with the command line, I could not get a file path to work correctly unless I used forward slashes in the path...for example: … |
| | Why I have not seen any underline with the menu items although I have put "&" within the menu names. My code is as follows: [CODE]import wx import os class MainWindow(wx.Frame): def __init__(self, parent): self.dirname='' # A "-1" in the size parameter instructs wxWidgets to use the default size. # … |
| | [code] a = 10 def foo(x = a): print x a = 5 foo() [/code] Can someone explain why it prints 10 ? |
| | Hey Guys, I have a minor problem with pytesser for the internet!!! I want to create a program that calculates equation from the internet. I need pytesser to recognize the equation and python to calculate it. Example: 5 + 5 = [ ] Then Sendkeys will type the answer in … |
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