for-loop Archives - Page 5 of 7

How to use range-based for() loop with std::map?

The common example for C++11 range-based for() loops is always something simple like this: std::vector<int> numbers = { 1, 2, 3, 4, 5, ...

May 9, 2022
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Why does the order of the loops affect performance when iterating over a 2D array?

Below are two programs that are almost identical except that I switched the i and j variables around. They both run in different ...

May 8, 2022
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In .NET, which loop runs faster, ‘for’ or ‘foreach’?

In C#/VB.NET/.NET, which loop runs faster, for or foreach? Ever since I read that a for loop works faster than a foreach loop ...

May 8, 2022
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Iterate all files in a directory using a ‘for’ loop

How can I iterate over each file in a directory using a for loop? And how could I tell if a certain entry ...

May 7, 2022
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Get loop counter/index using for…of syntax in JavaScript

Caution: question still applies to for…of loops.> Don’t use for…in to iterate over an Array, use it to iterate over the properties of ...

May 3, 2022
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Java 8 Iterable.forEach() vs foreach loop

Which of the following is better practice in Java 8? Java 8: joins.forEach(join -> mIrc.join(mSession, join)); Java 7: for (String join : joins) ...

May 2, 2022
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Why does python use ‘else’ after for and while loops?

I understand how this construct works: for i in range(10): print(i) if i == 9: print("Too big - I'm giving up!") break else: ...

April 29, 2022
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How to loop over files in directory and change path and add suffix to filename

I need to write a script that starts my program with different arguments, but I’m new to Bash. I start my program with: ...

April 26, 2022
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What is the difference between ( for… in ) and ( for… of ) statements?

I know what is a for... in loop (it iterates over the keys), but I have heard about for... of for the first ...

April 19, 2022
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A ‘for’ loop to iterate over an enum in Java

I have an enum in Java for the cardinal & intermediate directions: public enum Direction { NORTH, NORTHEAST, EAST, SOUTHEAST, SOUTH, SOUTHWEST, WEST, ...

April 18, 2022
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