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Background task, progress dialog, orientation change - is there any 100% working solution?

...tirely separate class, just not an inner (non-static nested) class. Step #2: Have the AsyncTask hold onto the Activity via a data member, set via the constructor and a setter. Step #3: When creating the AsyncTask, supply the current Activity to the constructor. Step #4: In onRetainNonConfiguratio...
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Difference between System.DateTime.Now and System.DateTime.Today

...rst gets the UTC time (via the GetSystemTimeAsFileTime function in the Win32 API) and then it converts the value to the local time zone. (Therefore DateTime.Now.ToUniversalTime() is more expensive than DateTime.UtcNow.) Also note that DateTimeOffset.Now.DateTime will have similar values to DateTim...
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How to use auto-layout to move other views when a view is hidden?

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Why don't they teach these things in school? [closed]

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Grep not as a regular expression

... answered Feb 23 '12 at 15:50 Mr ListerMr Lister 41.3k1313 gold badges8989 silver badges130130 bronze badges ...
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In JavaScript, does it make a difference if I call a function with parentheses?

... | edited Nov 26 '16 at 22:42 Nissa 4,58988 gold badges2525 silver badges3636 bronze badges ...
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How to tell if UIViewController's view is visible

... | edited Sep 24 '19 at 0:42 Honey 20.5k1313 gold badges103103 silver badges182182 bronze badges ...
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How to redirect to a 404 in Rails?

...1) It uses Rails' built in rescue_from handler to render the 404 page, and 2) it interrupts the execution of your code, letting you do nice things like: user = User.find_by_email(params[:email]) or not_found user.do_something! without having to write ugly conditional statements. As a bonus, ...
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How do I enable EF migrations for multiple contexts to separate databases?

... database? When I run Enable-Migrations in the PM console (Visual Studio 2012), there's an error because of there being multiple contexts: ...
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Need to reset git branch to origin version

...nch, and revert original to upstream state" for other options. With Git 2.23 (August 2019), that would be one command: git switch. Namely: git switch -C mybranch origin/mybranch Example C:\Users\vonc\git\git>git switch -C master origin/master Reset branch 'master' Branch 'master' set up to t...