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Solving ArithmeticOverflow calling AddrOfPinnedObject


Solving ArithmeticOverflow calling AddrOfPinnedObject

By : memoryleak
Date : November 20 2020, 01:01 AM
should help you out An int is a 32-bit integer. If you are on a 64 bit machine, addresses aren't 32 bit, but 64 bits.
Use Int64 (long) instead to match the processor's address length:
code :
long scan0 = (long)handle.AddrOfPinnedObject();
long scan0 = handle.AddrOfPinnedObject().ToInt64();


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Asp.net calling C# layer calling Managed C++ calling Native C++

Asp.net calling C# layer calling Managed C++ calling Native C++


By : user3005405
Date : March 29 2020, 07:55 AM
wish helps you I had to flip a bool in the ApplicationPoolIdentity. One of the filed in the properties says "enable 32bit" and that did the trick :) the default is False My server is 64bit and i build my native with 32bit.
Solving warnings like match non exhaustive and calling polyequal in SML/NJ

Solving warnings like match non exhaustive and calling polyequal in SML/NJ


By : abhishek gupta
Date : March 29 2020, 07:55 AM
To fix the issue you can do You obviously forgot two base cases when only one in two lists is empty. Since these cases are malformed inputs, you can use exception to handle them:
code :
exception LengthNotEqual

fun repeat ([], []) = []
  | repeat ([], _) = raise LengthNotEqual
  | repeat (_, []) = raise LengthNotEqual
  | ...
fun repeat ([], []) = []
  | repeat ([], _) = raise LengthNotEqual
  | repeat (_, []) = raise LengthNotEqual
  | repeat (l1::ln, m1::mn) = repeat1(l1, m1)@repeat(ln, mn)
Solving The calling thread cannot access this object because a different thread owns it Error Without Using Dispatcher

Solving The calling thread cannot access this object because a different thread owns it Error Without Using Dispatcher


By : user2012140
Date : March 29 2020, 07:55 AM
With these it helps No, you have to update the UIElement on the UI thread as the error says.
Yes, there other ways to run something on the UI thread other than using the Dispatcher, but they like the Dispatcher still run whatever it is you want to run on the UI thread - so will still freeze the UI.
code :
    private async Task<string> SimLongRunningProcessAsync()
    {
        await Task.Delay(2000);
        return "Success";
    }

    private async void Button_Click(object sender, RoutedEventArgs e)
    {
        button.Content = "Running...";
        var result = await SimLongRunningProcessAsync();
        button.Content = result;
    }
    private void UpdateButtonContent(string text)
    {
        button.Content = text;
    }

    private void SimLongRunningProcess()
    {
        Thread.Sleep(2000);
    }

    private void OnProcessFinished(Task task)
    {
        string content;
        if(task.Exception != null)
        {
            content = task.Exception.Message;
        }
        else
        {
            content = "Success";
        }

        Dispatcher.BeginInvoke(new Action<string>(UpdateButtonContent), DispatcherPriority.Normal, content);
    }

    private void Button_Click(object sender, RoutedEventArgs e)
    {
        // Start long running process and return immediatly
        var task = Task.Factory.StartNew(SimLongRunningProcess);
        task.ContinueWith(OnProcessFinished);
    }
Solving 'is one away' with set()

Solving 'is one away' with set()


By : bin wang
Date : March 29 2020, 07:55 AM
I hope this helps you . This fails to pass this test, because you only look at unique characters:
code :
>>> s1 = 'abc'
>>> s2 = 'bcc'
>>> set(s1).symmetric_difference(s2)
{'a'}
Calling a PHP Lumen Backend from a React frontend and solving the CORS issues

Calling a PHP Lumen Backend from a React frontend and solving the CORS issues


By : x.tian
Date : March 29 2020, 07:55 AM
it helps some times I've developed a few a SPAs with Laravel as my backend. By default, Laravel protects you from unauthorized calls to your API, which sounds like what you are running into.
What I recommend you do to allow calls to your backend from third party domains, is installing the Spatie CORS package with composer:
code :
'allow_origins' => [

    '*', // all domains are allowed... or set them up individually:

    'https://my-site-1.com',
    'https://my-site-2.com', 
],
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