foreach

问题 I am running a gbm model using the caret package and trying to get it working using parallel processing with the doredis package. I can get the backend workers all up and running, but am having issues when they recombine into the final model. I am getting this error: Error in foreach(j = 1:12, .combine = sum, .multicombine = TRUE) %dopar% : target of assignment expands to non-language object This is my first time trying to run the foreach loop (let alone on a complex problem like gbm) and am

问题 I wish to utilise the index from the items in ForEach. This is regarding the post I made here where I have now changed the buttonTitles into a list of struct from a dictionary. However I can't seem to do the usual .enumerated() method in ForEach with [struct]. struct ButtonObject: Hashable{ let id = UUID() var name: String var isSelected: Bool } class SomeData: ObservableObject{ @Published var buttonObjects: [ButtonObject] = [ButtonObject(name: "tag1", isSelected: false), ButtonObject(name:

问题 I have created one dialog to evaluate our company consultant in our chatbot (C# botframework), but I can't use for or foreach inside of AdaptiveCard. I need to create one TextBlock() and one ChoiceSet() block for each item from List Pergunta, but I can't do it with foreach. Any suggestion or better idea to create this loop ? Here is my complete dialog code in C#. using System; using System.Threading.Tasks; using Microsoft.Bot.Builder.Dialogs; using Microsoft.Bot.Connector; using System

问题 I'm trying desperately with ForEach to only display what has the value true. No matter what I try, false is also displayed. The air is out now and I think it's so simple that I just don't see it. Here is a piece of code to which it should apply: import SwiftUI struct txt: Identifiable { var id: Int var text: String var show: Bool } struct ContentView: View { @State private var array = [ txt(id: 000, text: "True", show: true), txt(id: 001, text: "True", show: true), txt(id: 002, text: "True",

问题 I'm trying to put the date order placed using Carbon. my-order.blade.php @foreach ($order->products as $product) <div>{{ presentDate($order->created_at) }}</div> <div>Total : {{ $product->price }} €</div> <div>Quantity: {{ $product->pivot->quantity }}</div> </div> OrderProduct.php use Carbon\Carbon; function presentDate($date) { return Carbon::parse($date)->format('M d, Y'); } Maybe I have to put the function in another place ? Thanks for your help. 回答1: You can leverage Laravel Accessors &

问题 When I had a single hosted zone it was easy for me to create the zone and then create the NS records for the zone in the delegating account by referencing the hosted zone by name. Edit To try to avoid confusion this is what I wanted to achieve but for multiple hosted zones and the owner of the domain is a management account: https://dev.to/arswaw/create-a-subdomain-in-amazon-route53-in-2-minutes-3hf0 Now I need to create multiple hosted zones and pass the nameserver records back to the parent

问题 I have written a routine that takes considerable time without parallelization. The issue is that I am unsure what to iterate over, since I have a repeat loop with breaks. The loop consists of the following code snippet (for loop not shown): repeat{ if(R < p){ HAC.sim(K = K, N = ceiling(Nstar), Hstar = Hstar, probs = probs, perms = perms, equal.freq = FALSE, subset.haps = NULL) } else{ break } } I would like to use foreach() with the parallel backend; however I am not certain what is needed

问题 This question already has answers here : How can I access an array/object? (5 answers) Closed 3 years ago . Got an assignment for school to make a multidimensional array. <?php $cars = array( "car1" => array ( "brand" => 'BMW', "license" => '30-KL-PO', "price" => 10000 ), "car2" => array ( "brand" => 'Mercedes', "license" => '51-ZD-ZD', "price" => 20000 ), "car3" => array ( "brand" => 'Maserati', "license" => 'JB-47-02', "price" => 30000 ) ); foreach($carss as $car){ echo $car['car1']['brand'

问题 After a couple hours of research (on MSDN websites and so on) I didn't manage to find out why the generic Dictionary<TKey, TValue> does not provide a ForEach() method like List<T> does. Could someone please give me an explanation? (I know that it's not hard to implement it as an extension method, a great example can be seen here, I just was wondering whether there might be a particular reason why it's not provided by the .NET libraries in the first place.) Thanks in advance. 回答1: Because it's

问题 Basically this makes and fills out a table. It mostly does this great, except the foreach seems to be making a new column for EVERY subarray, and I only want a column made for each in [heroes] . My limited knowledge of php has forced me to come here again. I tried array_slice to try and get that to work (its at 0 now, but I tried other numbers). I also tried $CAREER_DATA['heroes'] in the foreach but that just made it all worse. Not sure how to get just the part I want out of this. e: I just