iterable
Handle iterable and non-iterable seamlessly
Could you let me know how I can optimize the following code? def f(y, list_or_elem): 开发者_JS百科if getattr(list_or_elem, \'__iter__\'):[详细]
2022-12-30 07:15 分类：问答Why doesn't the String class in Java implement Iterable?
Many Java framework classes implement Iterable, however String does not. It makes sense to iterate over characters in a String, just as one can iterate over items in a regular array.[详细]
2022-12-29 10:16 分类：问答Is there an equivalent in Scala to Python's more general map function?
I know that Scala\'s Lists have a map implementation with signature (f: (A) => B):List[B] and a foreach implementation with signature (f: (A) => Unit):Unit but I\'m looking for something that ac[详细]
2022-12-27 15:32 分类：问答Java: why can't iterate over an iterator?
I read Why is Java's Iterator not an Iterable? and Why aren't Enumerations Iterable?, but I still don\'t understand w开发者_StackOverflowhy this:[详细]
2022-12-26 06:21 分类：问答Python enumerate built-in error when using the start parameter
I\'m modifying some code that calls enumerate on a list dec开发者_StackOverflow中文版lared via a list comprehension e.g.[详细]
2022-12-25 09:48 分类：问答Redirect print in Python: val = print(arg) to output mixed iterable to file
So lets say I have an incredibly nested iterable of lists/dictionaries.I would like to print them to a file as easily as possible.Why can\'t I just redirect print to a file?[详细]
2022-12-24 00:38 分类：问答iterable long-object?
This is a problem from euler-project. No.13 import math #no.13 sum = [] number = 0 a = 3710728753390210279879799822083759024651013574025046376937677490009712648124896970078050417018260538743249861[详细]
2022-12-17 09:31 分类：问答Why is there a method iterator() on java.util.Collection
Why is there the method iterator() defined on the interface java.util.Collection when it already extends java.util.Iterable which has this very method defined.[详细]
2022-12-16 22:39 分类：问答How to create an iterable wrapper for TreeMap and HashMap (Java)?
I have a class MyMap which wraps TreeMap. (Say it\'s a collection of dogs and that the keys are strings).[详细]
2022-12-16 08:18 分类：问答In Python, how do I determine if an object is iterable?
Is there a method like 开发者_高级运维isiterable? The only solution I have found so far is to call[详细]
2022-12-14 14:10 分类：问答
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