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What's the most appropriate HTTP status code for an “item not found” error page

...t ambiguous for differentiating a bad URI versus entity not found. A new standard code is needed to disambiguate 404s. – Breakskater Mar 7 '19 at 16:45 3 ...
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How to force ViewPager to re-instantiate its items [duplicate]

... answered Jan 5 '12 at 21:12 Andi DroidAndi Droid 1,90722 gold badges1111 silver badges77 bronze badges ...
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Detecting WPF Validation Errors

...ncyObject obj) { // The dependency object is valid if it has no errors and all // of its children (that are dependency objects) are error-free. return !Validation.GetHasError(obj) && LogicalTreeHelper.GetChildren(obj) .OfType<DependencyObject>() .All(IsValid); }...
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C++ Double Address Operator? (&&)

I'm reading STL source code and I have no idea what && address operator is supposed to do. Here is a code example from stl_vector.h : ...
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Update or Insert (multiple rows and columns) from subquery in PostgreSQL

... postfix: "", imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
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Converting a double to an int in C#

...le numbers, the even number is returned; that is, 4.5 is converted to 4, and 5.5 is converted to 6. ...while the cast truncates: When you convert from a double or float value to an integral type, the value is truncated. Update: See Jeppe Stig Nielsen's comment below for additional differ...
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When to use ko.utils.unwrapObservable?

...bles, so you may check up front (ko.isObservable) that it is an observable and then you would be free to unwrap it with (). If you are receiving an object that may have nested observables, then you are better off doing a ko.toJS(yourObject) rather than using ko.utils.unwrapObservable, if you are tr...
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How to set 'auto' for upper limit, but keep a fixed lower limit with matplotlib.pyplot

...t to keep the lower limit of the y-axis to always be zero. I tried 'auto' and 'autorange', but those don't seem to work. Thank you in advance. ...
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Is onload equal to readyState==4 in XMLHttpRequest?

... not so much different between onreadystatechange --> readyState == 4 and onload, is it true? 3 Answers ...
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Best way to pretty print a hash

I have a large hash with nested arrays and hashes. I would like to simply print it out so it 'readable' to the user. 12 An...