tagged [foreach]

How can I convert this foreach code to Parallel.ForEach?

How can I convert this foreach code to Parallel.ForEach? I am a bit of confused about `Parallel.ForEach`. What is `Parallel.ForEach` and what does it exactly do? Please don't reference any MSDN link. ...

Going Through A Foreach When It Can Get Modified?

Going Through A Foreach When It Can Get Modified? I want to do a foreach loop while taking out members of that foreach loop, but that's throwing errors. My only idea is to create another list inside o...

12 Jul at 21:41

asp.net mvc razor foreach loop adding id to div

asp.net mvc razor foreach loop adding id to div I am trying to add dynamic `id` to `div` inside a `foreach` loop concatenated with value of variable `i`. It throws syntax errors. What might be the iss...

23 Jan at 07:21

Go to "next" iteration in JavaScript forEach loop

Go to "next" iteration in JavaScript forEach loop How do I go to the next iteration of a JavaScript `Array.forEach()` loop? For example: [MDN docs](https://developer.mozilla.org/en-US/docs/Web/JavaScr...

11 Aug at 22:45

How to modify a foreach iteration variable from within foreach loop?

How to modify a foreach iteration variable from within foreach loop? When I try to do this... ...I get `Cannot assign to 'item' because it is a 'foreach iteration variable'`. Still, I'd

Is it possible for a 'foreach' loop to have a condition check?

Is it possible for a 'foreach' loop to have a condition check? If I have a `foreach` loop, is there any way to check a boolean as well? I don't want to check once inside the `foreach()` and then break...

13 Jun at 17:41

Java foreach loop: for (Integer i : list) { ... }

Java foreach loop: for (Integer i : list) { ... } When I use JDK5 like below on the other hand if I just use an `Iterator` ``` ArrayList list = new ArrayList(); for (Iterator i = list.iterator(); i.h...

7 Nov at 16:31

Why are assignment operators (=) invalid in a foreach loop?

Why are assignment operators (=) invalid in a foreach loop? Why are assignment operators (=) invalid in a `foreach` loop? I'm using C#, but I would assume that the argument is the same for other langu...

23 Aug at 16:55

Is it possible to change parallelOptions.MaxDegreeOfParallelism during execution of a Parallel.ForEach?

Is it possible to change parallelOptions.MaxDegreeOfParallelism during execution of a Parallel.ForEach? I am running a multi-threaded loop: I want to change the `parallelOptions.MaxDegreeOfParallelism

Parallel.ForEach vs Task.Run and Task.WhenAll

Parallel.ForEach vs Task.Run and Task.WhenAll What are the differences between using `Parallel.ForEach` or `Task.Run()` to start a set of tasks asynchronously? Version 1: Version 2: ``` List strings =...

How does a queue interact with a foreach loop

How does a queue interact with a foreach loop I was really suprised that this question doesn't really have an answer. For example I have a foreach loop iterating through the queue(I am using the .Net ...

12 Oct at 14:36

Calling remove in foreach loop in Java

Calling remove in foreach loop in Java In Java, is it legal to call remove on a collection when iterating through the collection using a foreach loop? For instance: As an addendum, is it legal to remo...

30 Jul at 20:16

Less-verbose way of handling the first pass through a foreach?

Less-verbose way of handling the first pass through a foreach? I often find myself doing the following in a foreach loop to find out if I am on the or not. Is there a way to do this in , something alo...

4 Sep at 23:55

Parallel.ForEach loop with BlockingCollection.GetConsumableEnumerable

Parallel.ForEach loop with BlockingCollection.GetConsumableEnumerable Why `Parallel.ForEach` loop exits with `OperationCancelledException`, while using `GetConsumableEnumerable`? ``` //outside the fun...

Parallel.ForEach() vs. foreach(IEnumerable<T>.AsParallel())

Parallel.ForEach() vs. foreach(IEnumerable.AsParallel()) Erg, I'm trying to find these two methods in the BCL using Reflector, but can't locate them. What's the difference between these two snippets? ...

C# - Using foreach to loop through method arguments

C# - Using foreach to loop through method arguments Is it possible to loop through a function arguments to check if any of them is null(or check them by another custom function)? something like this: ...

24 Jul at 13:42

Why loop on array object with `foreach` is faster than lambda `ForEach`?

Why loop on array object with `foreach` is faster than lambda `ForEach`? I work on an array that and I have to loop over it. First, I use lambda `ForEach` and then I use simple `foreach`. I find that ...

27 May at 04:31

How to get a index value from foreach loop in jstl

How to get a index value from foreach loop in jstl I have a value set in the `request` object like the following, and this is how I iterate in jsp page ```

14 Mar at 19:13

How to use forEach in vueJs?

How to use forEach in vueJs? I have a response like below from an API call, [](https://i.stack.imgur.com/lMr5I.png) Now, I have to repeat the whole arrays inside the arrays. How do I do that in VueJS?...

Thoughts on foreach with Enumerable.Range vs traditional for loop

Thoughts on foreach with Enumerable.Range vs traditional for loop In C# 3.0, I'm liking this style: over the traditional `for` loop: ``` // Write the numbers 1 thru 7 for (int index = 1; index

17 Oct at 16:38

Removing XElements in a foreach loop

Removing XElements in a foreach loop So, I have a bug to remove The problem is that calling x.Remove() alters the foreach such that if there are two Elements("x"), and the first is removed, the loop d...

16 Oct at 19:45

Iterating over result of getElementsByClassName using Array.forEach

Iterating over result of getElementsByClassName using Array.forEach I want to iterate over some DOM elements, I'm doing this: but I get an error: > document.getElementsByClassName("myclass").forEach i...

How can I limit Parallel.ForEach?

How can I limit Parallel.ForEach? I have a Parallel.ForEach() async loop with which I download some webpages. My bandwidth is limited so I can download only x pages per time but Parallel.ForEach execu...

29 Aug at 21:26

Is foreach purely “syntactic sugar”?

Is foreach purely “syntactic sugar”? The compiler compiles a `foreach` loop into something like a `for` loop when the `foreach` is used with an array. And the compiler compiles a `foreach` loop into s...

Is there a way to access an iteration-counter in Java's for-each loop?

Is there a way to access an iteration-counter in Java's for-each loop? Is there a way in Java's for-each loop to find out how often the loop has already been processed? Aside from using the old and we...

27 Jan at 12:28