loops Archives - Page 5 of 9

How do I skip an iteration of a `foreach` loop?

In Perl I can skip a foreach (or any loop) iteration with a next; command. Is there a way to skip over an ...

May 11, 2022
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Declaring variables inside loops, good practice or bad practice?

Question #1: Is declaring a variable inside a loop a good practice or bad practice? I’ve read the other threads about whether or ...

May 11, 2022
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Breaking out of nested loops [duplicate]

This question already has answers here: How to break out of multiple loops? (33 answers) Closed 2 years ago. Is there an easier ...

May 10, 2022
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What is the “right” way to iterate through an array in Ruby?

PHP, for all its warts, is pretty good on this count. There’s no difference between an array and a hash (maybe I’m naive, ...

May 9, 2022
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Iterating over all the keys of a map

Is there a way to get a list of all the keys in a Go language map? The number of elements is given ...

May 9, 2022
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do { … } while (0) — what is it good for? [duplicate]

This question already has answers here: Why use apparently meaningless do-while and if-else statements in macros? (9 answers) Closed 1 year ago. Possible ...

May 8, 2022
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Is there a better way to run a command N times in bash?

I occasionally run a bash command line like this: n=0; while [...

May 8, 2022
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How do I add a delay in a JavaScript loop?

I would like to add a delay/sleep inside a while loop: I tried it like this: alert('hi'); for(var start = 1; start < ...

May 5, 2022
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Is there a “do … while” loop in Ruby?

I’m using this code to let the user enter in names while the program stores them in an array until they enter an ...

May 4, 2022
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