Topics by HiHe

I copied this code from page 11 of http://personal.denison.edu/~krone/cs173/files/PythontoC++.pdf and assigned it to a Python string. Alas there are still line numbers. How could I use Python to remove these? Help, I have a mental block. s = ''' 1 #include <iostream> 2 using namespace std; 3 4 int gcd(int …

Does any body have some technical insight?

I just read an article in the paper that tech savvy younger folks prefer public transportation, so they can use their time with a notebook computer or tablet, rather than wasting time in a car going to work. How do you get to work?

Why use a tuple instead of a list?

Can anyone give this a try? '''print_error_python33.py there are times when a print() trailing newline disappears with Python 3.3.0 this does not happen with Python 3.2.3 or Python 2.7.3 ''' size = 180000 print("creating long string of %d sevens" % size) # create a long string of digits s2 = …

Seconds since epoch should be zero, but are not: '''timetuple1.py create a time tuple for epoch 1/1/1970 00:00:00 however, seconds since epoch does not give 0 ''' import time timetuple = time.strptime("01/01/1970 00:00:00", "%m/%d/%Y %H:%M:%S") print(timetuple) print('-'*40) # seconds since epoch 1/1/1970 00:00:00 secs = time.mktime(timetuple) print(secs) '''my result >> …

Method onPaint does not change the color. Does anyone know why? (there are no errors received) # explore the wxChoice widget # a simple ComboBox (dropdown box) that combines a ListBox with an EditBox # can't get the self.onPaint method to work!!!!! import wx ID_CHOICE = 120 ID_PANEL = 130 …

Just in the news: A Miami police officer fatally shot a naked man who refused to stop chewing on the face of another naked man — even after being shot once by the officer — on a busy downtown highway ramp. Have you read any other strange news lately?

According to the Python 2.7 manual this construction of the with statement should work: [code]text = "aim low and reach it" fname = "test7.txt" with open(fname, 'w') as foutp, open(fname, 'r') as finp: # write text to file foutp.write(text) # read text from file mytext = finp.read() print("to file --> …

I was trying to create a simple Python GUI with a label on a frame. I can't get the label's position and size to work: [code]# a simple wxPython GUI program # showing a label with color text # however, label position and size do not work! import wx class …

I was exploring random art and modified this nice example from vegaseat: [code]# random circles in Tkinter # a left mouse double click will idle action for 5 seconds # modified vegaseat's code from: # http://www.daniweb.com/software-development/python/code/216626 import random as rn import time try: # Python2 import Tkinter as tk except …

This works with Python 2.7 [code]class B: def __init__(self, arg): print(arg) class C(B): def __init___(self, arg): super(C, self).__init__(arg) c = C('abc') # abc [/code]Here super() gives a TypeError: must be type, not classobj [code]from math import pi class Circle: """with Python3 object is inherited automagically""" def __init__(self, r): self.r = …

The small code shown below works fine with Python26, however Python31 gives an error: fout.write('.snd' + pack('>5L', 24, 8*dur, 2, 8000, 1)) TypeError: Can't convert 'bytes' object to str implicitly Does anyone know what I need to do to make it work with Python31? [code]# create a soundfile in AU …

Airport screening simplified! Provide a booth that each person can step into, that will not X-ray the person, but will detonate any explosive device the person may have on him/her. There would be none of this crap about racial profiling and this method would eliminate a long and expensive trial.

I am using Python 3.1.2 What is the best way to get numeric (float or int) user input?

What is the best way way to get numeric input in C?

Does anyone have a code example for using the mouse wheel with the Tkinter GUI toolkit handy?

When I run this code: [code]class C(object): print("Hello from inside class C") [/code]It gives the same result as if I had used this code: [code]print("Hello from inside class C") [/code]However when I use: [code]class B(object): def __init__(self): print("Hello from inside class B") [/code]The class behaves like I had expected. Does …

Does anyone use Python on a Windows7 machine? What is your experience? Does it work well? I am thinking about getting a new computer and also start some Python programming.