Recent questions tagged iteration

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iteration - Is there a reason that we cannot iterate on "reverse Range" in ruby?

I tried to iterate backwards with using a Range and each: (4..0).each do |i| puts i end ==> ... situations when this behaviour is reasonable? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iteration - Iterate over all combinations of values in multiple lists in Python

Given multiple list of possibly varying length, I want to iterate over all combinations of values, one item from each ... do I get this done? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iteration - What exactly is Python's iterator protocol?

Is there an objective definition? Is it implemented as a fragment of python's source code? If so, could ... 'for' statement iterator protocols of their own? Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iteration - Iterate through Nested JavaScript Objects

This question already has answers here: Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iteration - Julia, syntax to use @views in a function

I would like to build a function, that iterates through values of a Julia "zip" file and substitutes some values ... com/questions/65889525/julia-syntax-to-use-views-in-a-function...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iteration - How to iterate over non-const variables in C++?

#include <initializer_list> struct Obj { int i; }; Obj a, b; int main() { for(Obj& obj : {a, b ... stackoverflow.com/questions/57215858/how-to-iterate-over-non-const-variables-in-c...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iteration - Java HashMap: How to get a key and value by index?

I am trying to use a HashMap to map a unique string to a string ArrayList like this: HashMap<String, ArrayList<String>> ... 3973512/java-hashmap-how-to-get-a-key-and-value-by-index...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iteration - Java HashMap: How to get a key and value by index?

I am trying to use a HashMap to map a unique string to a string ArrayList like this: HashMap<String, ArrayList<String>> ... 3973512/java-hashmap-how-to-get-a-key-and-value-by-index...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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iteration - Fast iterative calculation in a vector

Suppose we have a start value S <- 10 and two vectors, i.e. x <- c(0,0,1,1,1,0,0,1 ... from:https://stackoverflow.com/questions/66060372/fast-iterative-calculation-in-a-vector...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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