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Best practice: AsyncTask during orientation change
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What if the AsyncTask must be called from a nested Fragment?
– Eduardo Naveda
Jul 23 '14 at 13:38
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Why is NaN not equal to NaN? [duplicate]
...c then you could get wildly incorrect (or worse: subtly incorrect) results from your calculations with no obvious indicator as to why.
There are also really good reasons for NaNs in calculations when probing the value of a mathematical function; one of the examples given in the linked document is ...
Do HttpClient and HttpClientHandler have to be disposed between requests?
...reference.
I'd also strongly suggest that you read the HttpClient chapter from Designing Evolvable Web APIs with ASP.NET for context on what is going on under the hood, particularly the "Lifecycle" section quoted here:
Although HttpClient does indirectly implement the IDisposable
interface, t...
How do I associate file types with an iPhone application?
...n the Mac developer center, because this capability has been ported across from the Mac.
One of the UTIs used in the above example was system-defined, but the other was an application-specific UTI. The application-specific UTI will need to be exported so that other applications on the system can b...
CSS: Setting width/height as Percentage minus pixels
...ht also cause some troubles, as absolutely positioned elements are removed from the normal flow, see stackoverflow.com/a/12821537/4173303.
– Christophe Weis
Apr 16 '15 at 12:29
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What is the difference between an IntentService and a Service? [duplicate]
...orget" operations, taking care of background Thread creation and cleanup.
From the docs:
Service
A Service is an application component representing either an application's desire to perform a longer-running operation while not interacting with the user or to supply functionality for other applicat...
How to force push a reset to remote repository?
...e the setting, you need access to the machine with the remote repository. From there, do git config receive.denynonfastforwards false.
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How to present popover properly in iOS 8
...d make a viewcontroller class for it as usual. Make a segue as shown below from the object you want to open the popover, in this case the UIBarButton named "Config".
In the "mother viewcontroller" implement the UIPopoverPresentationControllerDelegate and the delegate method:
func popoverPresenta...
How do I obtain the frequencies of each value in an FFT?
...l input signal (imaginary parts all zero) the second half of the FFT (bins from N / 2 + 1 to N - 1) contain no useful additional information (they have complex conjugate symmetry with the first N / 2 - 1 bins). The last useful bin (for practical aplications) is at N / 2 - 1, which corresponds to 220...
How to center a WPF app on screen?
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You can still use the Screen class from a WPF app. You just need to reference the System.Windows.Forms assembly from your application. Once you've done that, (and referenced System.Drawing for the example below):
Rectangle workingArea = System.Windows.Forms...