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How do I handle the window close event in Tkinter?
...u can use the protocol 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?"):...
What kind of Garbage Collection does Go use?
...
Plans for Go 1.4+ garbage collector:
hybrid stop-the-world/concurrent collector
stop-the-world part limited by a 10ms deadline
CPU cores dedicated to running the concurrent collector
tri-color mark-and-sweep algorithm
non-generational
non-compacting
fully precise
in...
Angularjs loading screen on ajax request
...reen (a simple spinner) until ajax request is complete. Please suggest any idea with a code snippet.
15 Answers
...
Gson custom seralizer for one variable (of many) in an object using TypeAdapter
...er(JsonElement.class);
return new TypeAdapter<C>() {
@Override public void write(JsonWriter out, C value) throws IOException {
JsonElement tree = delegate.toJsonTree(value);
beforeWrite(value, tree);
elementAdapter.write(out, tree);
}
@Override pub...
call a static method inside a class?
how do i call a static method from another method inside the same class?
4 Answers
4
...
How can I specify a branch/tag when adding a Git submodule?
...nd of course, after reading your answer, I realized the commit is saved inside the submodule itself (submodule/.git/HEAD).
– Ivan
Nov 22 '09 at 18:19
5
...
How default .equals and .hashCode will work for my classes?
...n this == object;
}
public int hashCode() {
return VMMemoryManager.getIdentityHashCode(this);
}
In both cases it's just comparing the memory addresses of the objects in question.
share
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impr...
Why does casting int to invalid enum value NOT throw exception?
... (int, short, byte, etc), and so it can actually have any value that is valid for those value types.
I personally am not a fan of the way this works, so I made a series of utility methods:
/// <summary>
/// Utility methods for enum values. This static type will fail to initialize
/// (throw...
Erlang's 99.9999999% (nine nines) reliability
...ars. It represents the total time over those 20 years that the service provided by the AXD301 system was ever offline. Subtle difference. As Joe Armstrong says here:
The AXD301 has achieved a NINE nines reliability (yes, you read that right, 99.9999999%). Let’s put this in context: 5 nines is rec...
From inside of a Docker container, how do I connect to the localhost of the machine?
So I have a Nginx running inside a docker container, I have a mysql running on localhost, I want to connect to the MySql from within my Nginx. The MySql is running on localhost and not exposing a port to the outside world, so its bound on localhost, not bound on the ip address of the machine.
...