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C# equivalent to Java's charAt()?

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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If my interface must return Task what is the best way to have a no-operation implementation?

...mprove performance even more if you cache the already completed task since all instances of completed tasks are the same: public static class TaskExtensions { public static readonly Task CompletedTask = Task.FromResult(false); } With TaskExtensions.CompletedTask you can use the same instance ...
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Is it possible to “await yield return DoSomethingAsync()”

... What you are describing can be accomplished with the Task.WhenAll method. Notice how the code turns into a simple one-liner. What happens is that each individual url begins downloading and then WhenAll is used combine those operations into a single Task which can be awaited. Task<IE...
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Is there a typical state machine implementation pattern?

... Really nice touch how NUM_STATES is defined. – Albin Stigo Dec 19 '15 at 19:38  | ...
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Is there a way to dump a stack trace without throwing an exception in java?

... You can also try Thread.getAllStackTraces() to get a map of stack traces for all the threads that are alive.​​​​​​ share | improve this an...
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What does “Protocol … can only be used as a generic constraint because it has Self or associated typ

...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
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urllib2.HTTPError: HTTP Error 403: Forbidden

...Error, e: print e.fp.read() content = page.read() print content Actually, it works with just this one additional header: 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8', share | ...
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Assigning code to a variable

...: var ButtonClicked = new Action(() => MessageBox.Show("hi")); Then call it: ButtonClicked(); For completeness (in regards to the various comments)... As Erik stated, you could execute multiple lines of code: var ButtonClicked = new Action(() => { MessageBox.Show("hi"); Messag...
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How to change plot background color?

...he stateful API (if you're doing anything more than a few lines, and especially if you have multiple plots, the object-oriented methods above make life easier because you can refer to specific figures, plot on certain axes, and customize either) plt.plot(...) ax = plt.gca() Then you can use set_...
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Convert int to string?

...compile time, but it wouldn't even raise a runtime exception it would just allow bad data. – Timothy Gonzalez Dec 15 '16 at 16:29 3 ...