If you just need to do something with the last element (as opposed to something different with the last element then using LINQ will help here: Item last = Model.Results.Last(); // do something with last If you need to do something different with the last element then you’d need something like: Item last = Model.Results.Last(); … Read more
return; (the body is just a function called for each item)
You can simply return if you want to skip the current iteration. Since you’re in a function, if you return before doing anything else, then you have effectively skipped execution of the code below the return statement.
No, but you can provide your own counter. The reason for this is that the for-each loop internally does not have a counter; it is based on the Iterable interface, i.e. it uses an Iterator to loop through the “collection” – which may not be a collection at all, and may in fact be something … Read more
if is not a loop structure, so you cannot “break out of it”. You can, however, break out of the foreach by simply calling break. In your example it has the desired effect: $device = “wanted”; foreach($equipxml as $equip) { $current_device = $equip->xpath(“name”); if ( $current_device[0] == $device ) { // found a match in … Read more
You could try this: List<Int32> copy = new List<Int32>(original); or if you’re using C# 3 and .NET 3.5, with Linq, you can do this: List<Int32> copy = original.ToList(); I see that this answer is still getting upvotes. Well, here’s a secret for ya: the above answer is still using a foreach. Please don’t upvote this … Read more
No, it’s not an array. As specified in DOM4, it’s an HTMLCollection (in modern browsers, at least. Older browsers returned a NodeList). In all modern browsers (pretty much anything other IE <= 8), you can call Array’s forEach method, passing it the list of elements (be it HTMLCollection or NodeList) as the this value: var … Read more
Each iteration of the forEach() will call the function that you have supplied. To stop further processing within any given iteration (and continue with the next item) you just have to return from the function at the appropriate point: elementsCollection.forEach(function(element){ if (!element.shouldBeProcessed) return; // stop processing this iteration // This part will be avoided if … Read more
Personally I find this to be the most clean – not sure if it’s the most efficient, mind! if (is_array($values) || is_object($values)) { foreach ($values as $value) { … } } The reason for my preference is it doesn’t allocate an empty array when you’ve got nothing to begin with anyway.
If you need this, you shouldn’t use forEach, but one of the other methods available on streams; which one, depends on what your goal is. For example, if the goal of this loop is to find the first element which matches some predicate: Optional<SomeObject> result = someObjects.stream().filter(obj -> some_condition_met).findFirst(); (Note: This will not iterate the … Read more