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What is 'Pattern Matching' in functional languages?
... public readonly T Item1;
public readonly List<T> Item2;
public Cons(T item1, List<T> item2)
{
this.Item1 = item1;
this.Item2 = item2;
}
}
}
So, the Cons and Nil identifiers define simple a simple class, where the of x ...
Line continuation for list comprehensions or generator expressions in python
...
[x
for
x
in
(1,2,3)
]
works fine, so you can pretty much do as you please. I'd personally prefer
[something_that_is_pretty_long
for something_that_is_pretty_long
in somethings_that_are_pretty_long]
The reason why \ isn't appreciat...
How to save a Python interactive session?
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20 Answers
20
Active
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MySQL SELECT only not null values
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462
You should use IS NOT NULL. (The comparison operators = and <> both give UNKNOWN with NULL...
How do I switch between the header and implementation file in Xcode 4?
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Mar 14 '11 at 15:48
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How to automatically generate getters and setters in Android Studio
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529
Using Alt+ Insert for Windows or Command+ N for Mac in the editor, you may easily generate gett...
UICollectionView inside a UITableViewCell — dynamic height?
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128
The right answer is YES, you CAN do this.
I came across this problem some weeks ago. It is act...
Salting Your Password: Best Practices?
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edited May 23 '17 at 12:18
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111 silver badge
answered Mar 23 '09 at 19:39
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What rules does Pandas use to generate a view vs a copy?
...'B':'E']
as this is faster and will always work
The chained indexing is 2 separate python operations and thus cannot be reliably intercepted by pandas (you will oftentimes get a SettingWithCopyWarning, but that is not 100% detectable either). The dev docs, which you pointed, offer a much more ful...