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How to call an async method from a getter or setter?

...alue will get populated without blocking the UI, when getTitle() returns. string _Title; public string Title { get { if (_Title == null) { Deployment.Current.Dispatcher.InvokeAsync(async () => { Title = await getTitle(); }); } return _Title;...
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Collection that allows only unique items in .NET?

... } } and you can use it like follows var uniquelist = UniqueList<string>.NewList; uniquelist.Add("abc","def","ghi","jkl","mno"); uniquelist.Add("abc","jkl"); var _myList = uniquelist.List; will only return "abc","def","ghi","jkl","mno" always even when duplicates are added to it ...
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Debug code-first Entity Framework migration codes

...y, the trick is to grab all the information from an exception, put it in a string and throw a new DbEntityValidationException with the generated string and the original exception. share | improve th...
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How do I loop through a list by twos? [duplicate]

...]) for x, y in zip(it, it): print x, y Out: 1 2 3 4 5 6 No extra imports or anything. And very elegant, in my opinion. share | improve this answer | follow ...
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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)

...reventing redirects) you can hash some of the request parameters to make a string based on the content and then check that you haven't sent it already. //create digest of the form submission: $messageIdent = md5($_POST['name'] . $_POST['email'] . $_POST['phone'] . $_POST['comment']); //and ch...
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Dynamic Anonymous type in Razor causes RuntimeBinderException

... ExpandoObject ToExpando(this object anonymousObject) { IDictionary<string, object> anonymousDictionary = new RouteValueDictionary(anonymousObject); IDictionary<string, object> expando = new ExpandoObject(); foreach (var item in anonymousDictionary) expando.Add(item)...
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How to change an input button image using CSS?

... Here's a simpler solution but with no extra surrounding div: <input type="submit" value="Submit"> The CSS uses a basic image replacement technique. For bonus points, it shows using an image sprite: <style> input[type="submit"] { border...
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Show hide fragment in android

...n your original message. I was hoping you could add justification for the extra overhead. In the meantime, I've discovered some, such as the option of adding to the back stack. – Ellen Spertus Feb 17 '14 at 23:05 ...
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Objective-C: difference between id and void *

...ning, not an error. Not only that, you can do this: int i = (int)@"Hello, string!"; and follow up with: printf("Sending to an int: '%s'\n", [i UTF8String]);. It's a warning, not an error (and not exactly recommended, nor portable). But the reason why you can do these things is all basic C. ...
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Transposing a 2D-array in JavaScript

...rt solution. just learned about the ... operator - used it to break down a string into an array of letters... thanks for the reply – Julix Sep 9 '16 at 17:15 add a comment ...