15,406 Topics
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 | Greetings to Everyone :cool: , I just would like to know how to run/launch/start the IDLE ide of python in linux? (In windows the IDLE ide comes part of the python download, I assume its the same for linux??! or not?!) I currently have installed ubuntu linux, its already got …  |
 | Hello All This is my first post in this forum, despite my long visiting hours as a guest:D I don't have any background in programming and I'm a newbie in python too. But Learning python for S60(Python distro for Symbian Phones. anyway, I have a problem with printing from two … |
| | Hello, I've got a problem that I can't seem to figure out. I'm writing a program to simulate a process manager, and I'm doing four different algorithms: First come first serve, shortest job next, shortest remaining time, and round robin. I've got the first two down perfect, but I'm having … |
| | Hi, I am trying to use Regular Expressions to modify text without modifying the wildcard value. Here is an example: [CODE]import re text = 'Reference [14] and Reference [17] are References.' text = re.sub('Reference \[\d+\]','Ref. [\d]',text) print text [/CODE] I want the output to be "Ref. [14] and Ref. [17] …  |
| | Say I have a basic list. [CODE]x = [2,3,1,3,5,4,5] [/CODE] And I want to find the sum result applied against the list without duplicates. So with duplicates the code could be. [CODE][elem * 2 for elem in x if elem >= 1 ] > [2, 4, 6, 6, 8, 10] … |
| | Can I ask for a little help with virtualenv. I am looking at the docs here [URL="http://guide.python-distribute.org/pip.html"]http://guide.python-distribute.org/pip.html[/URL] and here [URL="http://www.jython.org/jythonbook/en/1.0/appendixA.html#virtualenv"]http://www.jython.org/jythonbook/en/1.0/appendixA.html#virtualenv[/URL] There are a few things I can't quite understand about it. First just to clarify I am on ubuntu and my default python is 2.7.1 1. I use virtualenv to … |
| | a software written in python to change the extension of all existing exe files on a system to a randomly generated integer would prevent a conventional virus as knowing the file is an executable and hence from infecting it. i know there are easy ways of getting around this. so …  |
| | Hi guys, What i need is a way to [B]check the available USB ports in windows[/B] using python. The purpose: I'm trying to run on startUp a script that wait to plug in my Token, and after that the script will log me in automatically into the system that I'm … |
| | As i dont know php i am unable to understand how this code is working? Can any body please help me to convert the following php code into python code. [CODE] function icmpChecksum($data) { if (strlen($data)%2) $data .= "\x00"; $bit = unpack('n*', $data); $sum = array_sum($bit); while ($sum >> 16) … |
| | In order to learn some basics about sockets I'm trying to program a simple IRC client. In order to receive server messages I have a thread that is receiving from the socket. When sending commands to the server a new thread is created, with the same socket. This doesn't seem … |
| | Hi all, I have a data set that has a text header, followed by binary data. I want to search for a certain variable in the text header, store whatever name comes after the variable, and then replace it with X. Since I want to leave the binary alone, I … |
| | Hi all, I am trying to calculate checksum of some data using python. I am putting a sample ICMP header here and the correct checksum of that packet(Got this by sniffing network with wireshark) [B]DATA is "08 00 69 eb 8e 13 00 01" And the correct checksum is "0xa9eb". … |
| | wxpython i cant figure out the problem. it says that the global neme 'panel' is not defined. Traceback (most recent call last): File "C:\Users\Daniel\Desktop\Duffan Teorem", line 34, in clickbutton wx.StaticText(panel,-1,media,pos=(150,240)) NameError: global name 'panel' is not defined could someone please help me to figure tha problem out? Thanks in Advance … |
| | Hey everyone. I have a matrix of matricies. Basically, I have a 3 dimensional matrix object which stores i 2-d arrays. For example: M=(i,j,k) A= M[1,:,:] = (j, k) B= M[2, :, :] = (j', k') etc.. Now, what is want to do is actually do the entire product (A*B*C...); … |
| | Im trying to run a small python CGI script but when i run it i get the error : [B]malformed header from script. Bad header=[Querying whois.internic.net]: hello_get.py[/B] The CGI scripts im trying to run are : [CODE]#!/usr/bin/python # Import modules for CGI handling import cgi, cgitb import os # Create … |
| | Hey guys, I'm a little confused on a web scraping topic. I understand that you can use urllib2 to webscrape, but my project requires a little more advanced scraping. I want to use python to inpute data into a search box, then return the results of that information. As an … |
 | Hi folks: How can I get information regarding the drives in the system?, using Python, off course ;) The information must include (at least in part) the following: [LIST] [*]Size [*]Used space [*]Free space (although you can calculate this value from the former two, some systems are tricky and don't … |
 | This is a continuation of problems with the program posted here: [URL="http://www.daniweb.com/software-development/python/threads/372311"]http://www.daniweb.com/software-development/python/threads/372311[/URL] I started thinking there was something wrong with my statement to open the csv file, using the reader. [CODE]reader = csv.reader(open('C:/Documents and Settings/VPC.VPC-SCALA.000/Desktop/RAH 7-11-11/RH/Projected Cash Goals Template.csv', 'rb')) [/CODE] I put a test statement above the open statement … |
| | Breakin news item from [url]http://python.org/download/releases/3.2.1/[/url] (hope the input from command line will also be fixed) Python 3.2 is a continuation of the efforts to improve and stabilize the Python 3.x line. Since the final release of Python 2.7, the 2.x line will only receive bugfixes, and new features are developed …  |
| | Hey guys, I am writing a GUI program, and one of the routines requires that I choose a file to be my data file. If the data file is chosen correctly, then my program will send it to a subroutine which will perform a bunch of methods and ultimately construct … |
| | Is it possible to assign a variable to be a random vector. The only syntax I could find was rand.jumpahead but further research did not seem promising. Thank you, Suhail  |
| | Hi all, I am trying convert IP addresses form Decimal format [Like 192.168.12.13] to HEX format [c0 a8 9d 80]. For Example the IP "192.168.157.128" is equivalent to "c0 a8 9d 80" in HEX. How to do that.?? |
| | hello, I'm a computer sciense student has to learn python by myself, I have a task to accomplish, that is a litlle bit ambiguous for me! I have to read fro a text file and make a word_counter then I have to search for a word and replace it with … |
 | I need to read in a text file, replace selected words and write the changed text back out to a file. Is there an easy way with Python? |
| | Hi all, I am trying to send Binary data using In python raw socketusing socket.send(). For that i will do following. [CODE]s = '\x01\x00\x12\x59' # some binary data sock.send(s) # assuming "sock" is a valid, open socket object[/CODE] i have created a DATAGRAM in HEX in by sniffing a network … |
| | Im using Matplotlib, and plotting a basic line graph. I have an very large set of data and I need my Y-axis to be much bigger. How do o make my graph much longer but not any taller? I found I can increase the overall graph size in proportion using … |
 | [B]Search for your answer first![/B] If you're having a problem, chances are good that someone else has had the same problem. Please search the forum for existing answers before starting a new thread. Nothing is more irritating to a long time member than to answer the same question for the … |
| | So I'm trying to learn Python mostly for fun but also to prepare for graduate school next year (i'm going into a quantitative neuroscience program this fall where it will help a lot to be familiar with programming ahead of time). The problem is I can't seem to find a … |
| | I need to find a pattern of kind APP[a-z][a-z][0-9][0-9][0-9] in the body of HTML and then replace them with hyperlinks. I am using Beautiful Soup to replace as I am dealing with HTML content. For Eg: APPsd222 to [URL="http://www.dani.com/APPsd222"]APPsd222[/URL] APPfd333 to [URL="http://www.dani.com/APPfd333"]APPsd333[/URL] If you are not aware about Beautiful Soup, … |
| | Why do I get: Traceback (most recent call last): File "./2csvtbl.py", line 31, in <module> print row[k], row[-k] IndexError: list index out of range after running this code: #!/usr/bin/env python import csv import random alpha = 'abcdefghijklmnopqrstuvwxyz' e = range(0,99) x = random.sample(alpha,14) y = random.sample(e,14) c = csv.writer(open("test2.csv", "wb")) … |
| | The below script adds an attribute to an searched element. I would like to add the attribute at the end or which ever location i prefer, whereas the script adds at the beginning. Also I would like to commit only the changes to the file. Please share and ponder your … |
| | Hi, i need from PDF extract text and images. Maybe you know python library? Thanks |
| | Hello, I have this code [CODE]#!/usr/bin/env python import csv import random alpha = 'abcdefghijklmnopqrstuvwxyz' e = range(0,99) x = random.sample(alpha,14) c = csv.writer(open("test2.csv", "wb")) c.writerow([x]) cr = csv.reader(open("test2.csv","rb")) for row in cr: print ', '.join(row) print "How many rows?" l = input() k = 1 while k < int(l): y … |
| | Hey all! This is my first post on Dani's Web but I have long before used it as a resource for understanding different problems I have encountered with Python. I have only just started learning Python so please excuse my lack of understanding on this problem. [CODE]counter = 0 nameList … |
| | Hey everyone, I'm getting familiar with TkInter, and while it's a cool program, I'm having a hell of a time with keeping all the classes straight. As of now, I'm trying to build a program with a menubar and some other widgets. I can get the program working if I … |
| | Not sure what this error means "NameError: global name 'sessionid' is not defined" Any help would be greatly appreciated. Below is the code [CODE]import sys from socket import * import re import os from time import sleep print ("[*] BY THE POWER OF GRAYSKULL - I HAVE THE ROOTZ0R!\r\n" "[*] … |
 | why is it that when i pop a dictionary in variable b, variable a does the same? And When i print variable a, the value is [{'b':2}]. How can i retain the value of variable a? [CODE] a=[{'a':1,},{'b':2,}] b = a b.pop(0)[/CODE] |
| | What is the easy way to learn GUI Python, i mean where to choose pyGTK, pyQT , TkInter or what? Thanks |
| | I feel like a total muppet for not being able to do what is likely a stupidly easy task. I have downloaded the MySQLdb.zip, unzipped it to my desktop and am trying to get it to work with my python 2.7 (its compliant). Can anyone give me a step by … |
| | I am a beginner in learning Python and I am currently reading "Learning Python the Hard Way." In one of its exercises, there's a code that says: [CODE]def bear_room(): print "There is a bear here." print "The bear has a bunch of honey." print "The fat bear is in front … |
| | Another quick code over breakfast inspired by 'spying' the other forums. |
| | I am new to Python and am looking for something in Python that is equivalent to parsing files in Perl. I have a text file as follows. [CODE] Blah.txt vcc = 2.6, clock = 1.5 Mhz vcc = 2.7, clock = 1.6 Mhz vcc = 2.8, clock = 1.7 Mhz … |
| | Hi, sometimes my one of function work too long. How i can break my function, if this function work longer than 3 seconds? thanks |
| | The code below works but does not loop through each name in the txt file (loops only when i just want to print their names from the text file) , it only returns the details of the last user in the list rather than returning individual user details one by … |
| | I am still relatively new to Python and don't think I'm familiar/comfortable enough with my understanding of the datetime functions... I want to take just the current month from the datetime function so I can use the number to send the string of the month (ex, datetime would give me … |
| | I was thinking of doing some simple animations in python,Tkinter and my biggest problem was getting things to move together. so I was wondering if there was a way to make say an arc and rectangle into one object to rotate and such. thanks in advance |
| | Hi all, I'm new to this forum and I am also new to Python and coding in general. While I've gotten through basic tutorials on most general topics of Python such as series, dictionary, parameters, loops, and so forth I am still very much a newbie (as you will see … |
| | I have to strip anything that isn't a letter between a-z (lowercase only) out of a sentence. I wrote this [code=python]def breakPhrase(string): string=string.lower() for character in string: if ord(character) < 97 or ord(character) > 122: string=string.strip(character) return string[/code] and it works, but only if theres only one punctuation or non … |
| | I am currently working on a project for my computer class and i am using it as an opportunity to learn pyobjc. i have a database file that includes a path to an image, reading this and getting the path to the image is no problem. my problem is, i … |
| | so I'm new to the language so I've trying to do a vertical bar graph as shown below without luck, so far the only thing i've managed to do is to make it horizontally like this: [CODE] *********** ******* **** ********* **** [/CODE] which i do it by for v … |
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