event-driven - w3toppers.com

onclick event function in JavaScript

Two observations: You should write <input type=”button” value=”button text” /> instead of <input type=”button”>button text</input> You should rename your function. The function click() is already defined on a button (it simulates a click), and gets a higher priority then your method. Note that there are a couple of suggestions here that are plain wrong, and … Read more

Event Driven System Call in Python

To avoid polling subprocess’ status, you could use SIGCHLD signal on Unix. To combine it with tkinter’s event loop, you could use the self-pipe trick. It also workarounds the possible tkinter + signal issue without the need to wake the event loop periodically. #!/usr/bin/env python3 import logging import os import signal import subprocess import tkinter … Read more