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Random string generation with upper case letters and digits
...ndom.choices(string.ascii_uppercase + string.digits, k=N))
A cryptographically more secure version; see https://stackoverflow.com/a/23728630/2213647:
''.join(random.SystemRandom().choice(string.ascii_uppercase + string.digits) for _ in range(N))
In details, with a clean function for further reu...
No Main() in WPF?
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The Main() method is created automatically.
If you want to provide your own you have to (tested in VS2013 and VS2017):
Right-click App.xaml in the solution explorer, select Properties
Change 'Build Action' to 'Page' (initial value is 'ApplicationDefinition')
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Is it unnecessary to put super() in constructor?
Isn't this one automatically put by the compiler if I don't put it in a subclass's constructor?
6 Answers
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Entity Framework select distinct name
...e).Distinct();
This will give you an IEnumerable<string> - you can call .ToList() on it to get a List<string>.
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Does BroadcastReceiver.onReceive always run in the UI thread?
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@hannes: 99.44% of the time, if Android is calling your code, it is on the main application thread. All lifecycle methods (e.g., onCreate(), onReceive()) are called on the main application thread. And, it is documented in the docs for onReceive(): goo.gl/8kPuH
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Why should I not wrap every block in “try”-“catch”?
...if a method can throw an exception then it is reckless not to protect this call with a meaningful try block.
16 Answers
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How to parse a JSON string into JsonNode in Jackson?
... Is it possible to take the JsonNode, modify it a bit, and then call mapper.readValue(node, class); and get out a class?
– portforwardpodcast
Jul 26 '12 at 3:56
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How to render an ASP.NET MVC view as a string?
... return sw.GetStringBuilder().ToString();
}
}
}
Now you can call this class from your controller by adding NameSpace in your Controller File as following way by passing "this" as parameter to Controller.
string result = RazorViewToString.RenderRazorViewToString(this ,"ViewName", mode...
LoaderManager with multiple loaders: how to get the right cursorloader
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The Loader class has a method called getId(). I would hope this returns the id you've associated with the loader.
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Loading local JSON file
...uire('./data.json'); //(with path)
note: the file is loaded once, further calls will use the cache.
More on reading files with nodejs: http://docs.nodejitsu.com/articles/file-system/how-to-read-files-in-nodejs
require.js: http://requirejs.org/
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