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Best way to structure a tkinter application? [closed]
... 2, tkinter for python 3
import tkinter as tk
class MainApplication(tk.Frame):
def __init__(self, parent, *args, **kwargs):
tk.Frame.__init__(self, parent, *args, **kwargs)
self.parent = parent
<create the rest of your GUI here>
if __name__ == "__main__":
roo...
Joda-Time: what's the difference between Period, Interval and Duration?
In Joda-Time 2, what is the difference between the three kinds of time spans:
2 Answers
...
Android DialogFragment vs Dialog
Google recommends that we use DialogFragment instead of a simple Dialog by using Fragments API , but it is absurd to use an isolated DialogFragment for a simple Yes-No confirmation message box. What is the best practice in this case?
...
What is the overhead of creating a new HttpClient per call in a WebAPI client?
What should be the HttpClient lifetime of a WebAPI client?
Is it better to have one instance of the HttpClient for multiple calls?
...
What are commit-ish and tree-ish in Git?
...te list of commit-ish and tree-ish identifiers (from the Git
revisions documentation):
----------------------------------------------------------------------
| Commit-ish/Tree-ish | Examples
----------------------------------------------------------------------
| 1. <sha1&g...
Empty arrays seem to equal true and false at the same time
...
add a comment
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63
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SQL Server dynamic PIVOT query?
I've been tasked with coming up with a means of translating the following data:
7 Answers
...
How to run functions in parallel?
...ting'
for i in xrange(10000000): pass
print 'func2: finishing'
if __name__ == '__main__':
p1 = Process(target=func1)
p1.start()
p2 = Process(target=func2)
p2.start()
p1.join()
p2.join()
The mechanics of starting/joining child processes can easily be encapsulated into a function al...
When to use a “has_many :through” relation in Rails?
... Group.
If you wanted to have users belong to groups, then you could do something like this:
class Group < ActiveRecord::Base
has_many :users
end
class User < ActiveRecord::Base
belongs_to :group
end
What if you wanted to track additional metadata around the association? For example,...
Convert pandas timezone-aware DateTimeIndex to naive timestamp, but in certain timezone
You can use the function tz_localize to make a Timestamp or DateTimeIndex timezone aware, but how can you do the opposite: how can you convert a timezone aware Timestamp to a naive one, while preserving its timezone?
...