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How do I handle the window close event in Tkinter?
... method to install a handler for this protocol (the widget must be a Tk or Toplevel widget):
Here you have a concrete example:
import tkinter as tk
from tkinter import messagebox
root = tk.Tk()
def on_closing():
if messagebox.askokcancel("Quit", "Do you want to quit?"):
root.destroy(...
Why does an overridden function in the derived class hide other overloads of the base class?
... probably get a lot slower if the name search had to go all the way to the top every time.
– Drew Hall
Oct 27 '09 at 11:24
6
...
What are the differences between poll and select?
...her AJAX/websocket is using select or poll :(
– Christopher Schultz
Jul 5 '16 at 22:07
> Someone could write an imp...
throwing exceptions out of a destructor
...
I disagree. Terminating the program stops the stack unwind. No more destructor will be called. Any resources opened will be left open. I think swallowing the exception would be the prefered option.
– Martin York
Sep 24 '08 ...
How to gracefully handle the SIGKILL signal in Java
...gram.
In rare circumstances the virtual
machine may abort, that is, stop
running without shutting down cleanly.
This occurs when the virtual machine
is terminated externally, for example
with the SIGKILL signal on Unix or the
TerminateProcess call on Microsoft
Windows.
The only r...
CSS :after not adding content to certain elements
...amp;::before {
content: '';
position: absolute;
left: 2px;
top: 2px;
bottom: 2px;
height: 18px;
width: 18px;
border-radius: 50%;
background-color: currentColor;
will-change: transform;
transition: transform 200ms cubic-bezier(.01,.65,.23,1);
box-shadow...
List View Filter Android
...
Add an EditText on top of your listview in its .xml layout file.
And in your activity/fragment..
lv = (ListView) findViewById(R.id.list_view);
inputSearch = (EditText) findViewById(R.id.inputSearch);
// Adding items to listview
adapter = ...
How to throw a C++ exception
... showLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg cla...
How to un-submodule a Git submodule?
...ectory? Is it that you when you do the merge git brings in the file in the top level directory (with its history) but when you do the git add submodule_path it implicity does a git mv for every file?
– Bowie Owens
Dec 20 '11 at 4:43
...
Passing current scope to an AngularJS Service
...on the service and the service depends on the scope of the controller.
On top of being confusing in terms of relations, things like this one end up getting in the way of the garbage collector.
My preferred approach is to put a domain object in the controller scope and pass that to the service. Thi...