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class
... = 'foo' # new object, new singleton class
a.inspect # => "foo"
Now, to answer the question: class << self opens up self's singleton class, so that methods can be redefined for the current self object (which inside a class or module body is the class or module itself). Usually, this...
What is the most robust way to force a UIView to redraw?
...hy. the subclass in question gets passed the data and it's drawRect method now has everything it needs to render.
5 Answers...
Print all properties of a Python Class [duplicate]
...name': 'Dog', 'color': 'Spotted', 'age': 10, 'legs': 2, 'smell': 'Alot'}
# now dump this in some way or another
print(', '.join("%s: %s" % item for item in attrs.items()))
If you want to store Python objects on the disk you should look at shelve — Python object persistence.
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Databinding an enum property to a ComboBox in WPF
...Description("Available.")]
Available,
[Description("Not here right now.")]
Away,
[Description("I don't have time right now.")]
Busy
}
At the top of your XAML:
xmlns:my="clr-namespace:namespace_to_enumeration_extension_class
and then...
<ComboBox
ItemsSource="{Bi...
How can I listen for a click-and-hold in jQuery?
...timeoutId);
});
Edit: correction per AndyE...thanks!
Edit 2: using bind now for two events with same handler per gnarf
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How do I initialize a TypeScript object with a JSON object
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@IngoBürk, I know I am asking this question 2 years later but how will this work on array of objects? The sample code above works fine for JSON object. how can it be used for array of objects?
– Pratik Gaikwad
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How to upload a file in Django? [closed]
... 2 hours to dig up all the pieces to understand how this works. With that knowledge I implemented a project that makes possible to upload files and show them as list. To download source for the project, visit https://github.com/axelpale/minimal-django-file-upload-example or clone it:
> git clon...
Chain-calling parent initialisers in python [duplicate]
...l return the init method of your obj as if init in class X not been there. Now, if class X has two parents, and X.__init__ doesnt exist, the default behavior is to call init of only one of the parents, not both. This is effectively what super is doing... giving you one of the parents.
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...ased my lockable script boilerplate (originally available at my wiki page, nowadays available as gist). Transforming that into one-instance-per-user is trivial. Using it you can also easily write scripts for other scenarios requiring some locking or synchronization.
Here is the mentioned boilerplat...
How does the algorithm to color the song list in iTunes 11 work? [closed]
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Pretty awesome solution. Now need a port from Mathematica to Objective-C, that is a hard struggle.
– loretoparisi
Dec 3 '12 at 20:29
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