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How do I handle the window close event in Tkinter?

... 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() root.protocol("WM_DELETE_WINDOW", on_closing) root.mainloop() ...
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In Java, what is the best way to determine the size of an object?

... Pattern.normalizedPattern (object) 44 4 Node Pattern.root (object) 48 4 Node Pattern.matchRoot (object) 52 4 int[] Pattern.buffer null 56 4 Map Pattern.namedGroups null ...
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Cannot resolve the collation conflict between “SQL_Latin1_General_CP1_CI_AS” and “Latin1_General_CI_

... If the same two fields are used together in other places (comparisons, unions, coalesce, etc...) make sure that each of those also have the collation specified. – Zarepheth Feb 17 '14 at 21:26 ...
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Django MEDIA_URL and MEDIA_ROOT

...rest of your URLconf goes here ... ) + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT) You no longer need if settings.DEBUG as Django will handle ensuring this is only used in Debug mode. ORIGINAL answer for Django <= 1.6 Try putting this into your urls.py from django.conf im...
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Editing dictionary values in a foreach loop

...decimal)c.Value / (decimal)totalCount >= .05M); var newColStates = over.Union(new Dictionary<string, int>() { { "Other", under.Sum(c => c.Value) } }); foreach (var item in newColStates) { Console.WriteLine("{0}:{1}", item.Key, item.Value); } ...
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Turn off deprecated errors in PHP 5.3

...p; ~E_DEPRECATED & ~E_STRICT" Have no effect.... but, in my example, "@mysql_connect();" do the trick :-( – molokoloco Feb 4 '16 at 14:40 ...
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Django Setup Default Logging

... Thanks it seems that this '' means root logger. This useful piece of information was not found in Django documentation. – Eino Mäkitalo Mar 12 '13 at 10:11 ...
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How do you run your own code alongside Tkinter's event loop?

... Use the after method on the Tk object: from tkinter import * root = Tk() def task(): print("hello") root.after(2000, task) # reschedule event in 2 seconds root.after(2000, task) root.mainloop() Here's the declaration and documentation for the after method: def after(self,...
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Determine project root from a running node.js application

Is there a better way than process.cwd() to determine the root directory of a running node.js process? Something like the equivalent of Rails.root , but for Node.js. I'm looking for something that is as predictable and reliable as possible. ...
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Useful GCC flags for C

...rning. -Waggregate-return: warn if any functions that return structures or unions are defined or called. -Wcast-qual: warn whenever a pointer is cast to remove a type qualifier from the target type*. -Wswitch-default: warn whenever a switch statement does not have a default case*. -Wswitch-enum: war...