Hi. I am not exactly new to python but I have never done anything related to time and I don't know how. I want to make a count down timer that starts when I start a program and then either closes when I close the program or when it counts down to zero. Please help.
countdown to New Year using Tkinter
use update() after sleep()
import Tkinter as tk
import tkinter as tk
'''start countdown 10 seconds before new year starts'''
for k in range(10, -1, -1):
lbl["text"] = k
root.update() # Tk needs this after sleep()
lbl["text"] = "Happy new year!"
root = tk.Tk()
label_font = ('helvetica', 40)
lbl = tk.Label(font=label_font)
I have a 2d matrix with dimension (3, n) called A, I want to calculate the normalization and cross product of two arrays (b,z) (see the code please) for each column (for the first column, then the second one and so on).
the function that I created to find the ...
Hi. I have a form with list box : lst_product, datagridview : grd_order and button: btn_addline. lst_product has a list of product ids selected from database (MS Acess 2013) , grd_order is by default empty except for 2 headers and btn_addline adds rows to grd_order.