15,190 Topics
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 | I'M reading the book "Beginning Game Development with Python and Pygame". The book showed me how to calculate the distance between two points using vectors. It first explained that you just subtract the values in the first point from the second. But just page or two pages later it says …  |
| | [CODE]class Vector2(object): def __init__(self, x= 0.0, y = 0.0): self.x = x self.y = y def __str__(self): return "(%s, %s)" % (self.x, self.y) @classmethod def from_points(cls, P1, P2): return cls( P2[0] - P1[0], P2[1] - P1[1] ) A = (10.0, 20.0) B = (30.0, 35.0) AB = Vector2.from_points(A, B) print … |
| | Hi guys! I'm writing my first small application*. For this I'm using Sqlite as database, Glade as GUI builder and Python as coding. The application is pretty simple: it's a notebook to store names, surnames, adresses, etc.. I've been able to create a first window to store data in Sqlite … |
| | using wx python.got black bars instead of unicode characters in gui window. [hint]:My interpreter gives error- [COLOR="Red"]Unsupported characters in input[/COLOR] |
| | Scanning from a laser line and usb cam V Python fill up memory to 1.6G and crash the system Smaller Scan works fine is there a better plotting module or a way of getting past V Python memory block? The plot must happen in color xyz rgb. [CODE]import thread import … |
 | Here is code which I wrote to experiment how hard it is to get Royal Flush in Poker. |
| | Trying to get a program to fine the slope and intercept of a line on a graph.... I've got it all working so far...except the last line. I broke it down into pieces and ran it assigning numbers to the variables, but in the program, it doesn't work. Here is …  |
| | Best way to parse this webpage private info: [url]https://ee.ekool.eu/index_et.html?r=2#/?screenId=g.user.login&err=1[/url] I found Beautiful soap and PyKhtml. What is the better? |
| | I am currently trying to take two columns from a *.csv file... log10 transform them, and then plot them up on a graph. The graph is not the issue, I just need to edit those two columns and plot them. The file does have a header row, there are 8 … |
| | Hi, everybody! My name is Alex and I'm programming in C++ and Python just for hobby. My main interest is about games, fractal and fractal music. So, by the moment, I have a personal project with sounds by mean Python. I apologize, my English is not good... |
| | Hey everyone, I am just starting to learn iteration in Python. I am stuck on an assignment that my teacher gave me. I am supposed to make a code to display this: 1 -2 3 -4 5 -6 7 -8 So far my code is this: counter=8 number=9 while counter>0: … |
| | How can I get results from exec()? Any suggestions appreciated!!! [CODE] #!/usr/bin/python import socket sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) host = socket.gethostname() port = 1234 sock.bind((host,port)) while True: cmd, addr = sock.recvfrom(1024) if len(cmd) > 0: print("Received ", cmd, " command from ", addr) exec(cmd) # here how I can get … |
| | How can I get error message? [CODE] try: ...# some operations except: sock.sendto(err_msg,0,addr) # send client err_msg from exception [/CODE] |
| | Hi, I just finished a Python UI app with Tkinter and want to make it runnable by double-clicking an application on Mac OS X. But I'm having trouble figuring out how to do it. Does anyone have any instructions they could point me to? Thanks! |
| | I need to check for floating point numbers inside my class but it doesn't seem to be working. Any suggestions? [CODE] class Rectangle: def __init__(self, length = 1, width = 1): self.__length = length self.__width = width ##Setters to float def set_length(self, length): self.__length = float(length) try: #self.__length = float(length) … |
| | [code] def index_dir(self, base_path): num_files_indexed = 0 allfiles = os.listdir(base_path) #print allfiles num_files_indexed = len(allfiles) #print num_files_indexed docnumber = 0 self._inverted_index = {} #dictionary for file in allfiles: self.documents = [base_path+file] #list of all text files f = open(base_path+file, 'r') lines = f.read() # Tokenize the file into words tokens … |
 | Can someone please fill in the missing line of code in OnPageChange? I have a notebook control and on a page change event, I want to retrieve the label of the tab that was just selected. GetLabel and GetLabelText both return '' [CODE] import wx import wx.lib.mixins.inspection class Frame(wx.Frame): def … |
| | Unicode: I would like to use the radical symbol (U + 221A) in my script. How do you print the Unicode without an error? Super/Subscript: Is it possible to make a variable superscripted (and subscripted, for that matter)? |
| | Somebody was so kind as to indicate to me an interactive Python learning program. I started using it, but lost the URL. I cannot find it back in the threads i started. Can this Python forum member remember me of his suggestion? Thanks |
| | [code=syntax]from __future__ import division from math import sin from math import cos from math import tan from math import radians a = raw_input("enter 1 for sin, 2 for cos, 3 for tan") if a == 1: degree1 = int(raw_input("Type in angle value: ") radian = radians(degree3) sin = sin(radian) print …  |
| | Hi, I try to communicate with equipment through serial port. It is slightly order equipment so it requires to send command in a specified format ends CHECKSUM (Like start with 'STX' and end with 'ETX' etc and the command looks something like '020T025F00R000000000000000'). [B]Issue with Python:[/B] For my case they …  |
| | Okay...I'm back again for the next program...here's what i have so far [CODE]print "Euclid's Method" a= raw_input(("Enter first number ")) b= raw_input(("Enter second number ")) def euclid(a,b): while b != 0: a, b = b, a%b return a[/CODE] My question is, how do I get it to print out the … |
| | I just installed eclipse and Pydev. but I can't I can't add Python 2.7 as the interpreter for Pydev. I couldn't find the interpreter file at 'mac/usr/local/bin/' I only see /python 3.1 and some others. Is it because of I have installed 3.1 and 2.7 both? Even then I click … |
| | Hi! In every iteration of reading a file I populated a dictionary and appended it to a list . A part of that list looks like this : . . . Key Doc ID freq line number {'Emin': ({'file13.txt': 1}, {'Emin': [38]})} {'Gun': ({'file13.txt': 2}, {'Gun': [43, 71]})} {'I': ({'file13.txt': … |
| | Hi, Im trying to create a canvas as a background but i can manage to work =/ I create a window with the text and the size of de image, but the image is not there can someone help me? thanks. [CODE]import Tkinter as tk import tkMessageBox class Janela: def … |
| | Hi Guys. I am new here. I am trying to run a Poker program that can detect the different hands in poker. here is my code [CODE] class Card: # A card is an Object with a suit and rank # attributes. def __init__(self, rank, suit): # To create a … |
| | I want to create a jpg image containg some graphics which I draw using the Tkinter Canvas widget. This draws the image to screen and then I use the PIL library ImageGrab() function to grab it off the screen into a file. It would be much neater to by-pass drawing … |
| | Hi, I started Python command prompt and entered this: import distutils.dir_util as du du.mkpath( "c:/foo/bar" ) #assume dir 'foo' doesn't exist This works fine and it creates the path 'foo/bar'. Now, go to file explorer and delete the dir 'foo' and go to the Python prompt and issue the same … |
| | Hello, i'm very new to programming in genera. Python is the first language I'm learning. So, I was instructed to make a program that ask the user for loan payment, insurance, gas, oil, tires, and maintenance. The program will calculate the monthly cost and annual cost. here is what i … |
| | I know it's one of those programming languages thought of as an easy thing to learn (or so it seems like it). My problem is not with the difficulty of learning the language, rather the outdated guides and the problems with Python 3.2. So I looked into a book called …  |
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