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Swift compiler segmentation fault when building

...Meal!.State == .Deleted){ } so I think optional not unwrapped in if condition can cause this error share | improve this answer | follow | ...
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What is the overhead of creating a new HttpClient per call in a WebAPI client?

What should be the HttpClient lifetime of a WebAPI client? Is it better to have one instance of the HttpClient for multiple calls? ...
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EditText, clear focus on touch outside

My layout contains ListView , SurfaceView and EditText . When I click on the EditText , it receives focus and the on-screen keyboard pops up. When I click somewhere outside of the EditText , it still has the focus (it shouldn't). I guess I could set up OnTouchListener 's on the other views in...
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How to compare only date components from DateTime in EF?

... NOTE: at the time of writing this answer, the EF-relation was unclear (that was edited into the question after this was written). For correct approach with EF, check Mandeeps answer. You can use the DateTime.Date property to perform a date-only ...
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How to get Linux console window width in Python

... determine the width of the console? I mean the number of characters that fits in one line without wrapping, not the pixel width of the window. ...
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How to detect page zoom level in all modern browsers?

... Now it's an even bigger mess than it was when this question was first asked. From reading all the responses and blog posts I could find, here's a summary. I also set up this page to test all these methods of measuring the zoom le...
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What is a regular expression which will match a valid domain name without a subdomain?

... Well, it's pretty straightforward a little sneakier than it looks (see comments), given your specific requirements: /^[a-zA-Z0-9][a-zA-Z0-9-]{1,61}[a-zA-Z0-9]\.[a-zA-Z]{2,}$/ But note this will reject a lot of valid domains. ...
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How to prevent a dialog from closing when a button is clicked

I have a dialog with EditText for input. When I click the "yes" button on dialog, it will validate the input and then close the dialog. However, if the input is wrong, I want to remain in the same dialog. Every time no matter what the input is, the dialog should be automatically closed when I clic...
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How can one print a size_t variable portably using the printf family?

I have a variable of type size_t , and I want to print it using printf() . What format specifier do I use to print it portably? ...
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Preferred Java way to ping an HTTP URL for availability

I need a monitor class that regularly checks whether a given HTTP URL is available. I can take care of the "regularly" part using the Spring TaskExecutor abstraction, so that's not the topic here. The question is: What is the preferred way to ping a URL in java? ...