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Common use-cases for pickle in Python
... myStuff = pickle.load(f)
except:
myStuff = defaultdict(dict)
Now I don't have to build myStuff from scratch all over again, and I can just pick(le) up from where I left off.
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i...
Finding what methods a Python object has
...le(getattr(object, method_name))]
I discovered it at diveintopython.net (Now archived). Hopefully, that should provide some further detail!
If you get an AttributeError, you can use this instead:
getattr( is intolerant of pandas style python3.6 abstract virtual sub-classes. This code does the s...
How do I get the RootViewController from a pushed controller?
...
For all who are interested in a swift extension, this is what I'm using now:
extension UINavigationController {
var rootViewController : UIViewController? {
return self.viewControllers.first
}
}
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List of lists changes reflected across sublists unexpectedly
...than a matrix = [row] * 2 where both rows are exactly the same object, and now changes to one row matrix[0][0] = y suddenly reflect in the other one (matrix[0][0] is matrix[1][0]) == True
– nadrimajstor
Jul 2 '17 at 15:44
...
C# LINQ find duplicates in List
... .Select(y => y.Key)
.ToList();
If you want to know how many times the elements are repeated, you can use:
var query = lst.GroupBy(x => x)
.Where(g => g.Count() > 1)
.Select(y => new { Element = y.Key, Counter = y.Count() })
...
Get protocol, domain, and port from URL
...Randomblue What about it? You will get about://. However, I am curious to know, what would be the use case for about:blank? I am not sure if any browser injects plugin resources in about:blank, but seems like that could be the only use case.
– Shef
Sep 2 '12 at...
Best way to remove an event handler in jQuery?
...ut the preferred method is using the on()/off() functions. The below would now be,
$('#myimage').click(function() { return false; }); // Adds another click event
$('#myimage').off('click');
$('#myimage').on('click.mynamespace', function() { /* Do stuff */ });
$('#myimage').off('click.mynamespace');...
Determine font color based on background color
... + 0.587 * $green + 0.114 * $blue ) / 255;
@return ( $l < 0.5 );
}
Now figuring out how to use the algorithm to auto-create hover colors for menu links. Light headers get a darker hover, and vice-versa.
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Converting string to numeric [duplicate]
... even after deleting the text, you still have a factor in your dataframe.
Now regarding the conversion, there's a more optimal way to do so. So I put it here as a reference :
> x <- factor(sample(4:8,10,replace=T))
> x
[1] 6 4 8 6 7 6 8 5 8 4
Levels: 4 5 6 7 8
> as.numeric(levels(x))[...
How to format code in Xcode? [duplicate]
...ark I had that said how to do it, and, the technique is probably different now.
– Josh
Jan 12 '12 at 20:49
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