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Python: Tuples/dictionaries as keys, select, sort
...ferent colors, e.g., 24 blue bananas, 12 green apples, 0 blue strawberries and so on.
I'd like to organize them in a data structure in Python that allows for easy selection and sorting. My idea was to put them into a dictionary with tuples as keys, e.g.,
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Principal component analysis in Python
...de. 13 years after its first public release, MDP has reached full maturity and no new features are planned in the future.
– Gabriel
Oct 5 '16 at 18:42
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How to parse a string into a nullable int
...eturn null;
}
Edit @Glenn int.TryParse is "built into the framework". It and int.Parse are the way to parse strings to ints.
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Is there a constraint that restricts my generic method to numeric types?
...ons for not implementing the feature in an interview with Bruce Eckel:
And it's not clear that the added complexity is worth the small yield that you get. If something you want to do is not directly supported in the constraint system, you can do it with a factory pattern. You could have a Matrix...
cannot convert data (type interface {}) to type string: need type assertion
I am pretty new to go and I was playing with this notify package.
4 Answers
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Relatively position an element without it taking up space in document flow
How can I relatively position an element, and have it not take up space in the document flow?
6 Answers
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input type=“submit” Vs button tag are they interchangeable?
input type="submit" and button tag are they interchangeable? or if there is any difference then When to use input type="submit" and when button ?
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How to stop event propagation with inline onclick attribute?
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This is just wrong - inline onclick handlers don't get the event passed as an argument. Correct solution is Gareths, below.
– Benubird
Dec 9 '10 at 16:22
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Convert Set to List without creating new List
... can use the List.addAll() method. It accepts a Collection as an argument, and your set is a Collection.
List<String> mainList = new ArrayList<String>();
mainList.addAll(set);
EDIT: as respond to the edit of the question.
It is easy to see that if you want to have a Map with Lists as ...
How to split a comma-separated string?
...ill split the string according to (in this case) delimiter you are passing and will return an array of strings.
However, you seem to be after a List of Strings rather than an array, so the array must be turned into a list by using the Arrays.asList() utility. Just as an FYI you could also do somet...