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Returning redirect as response to XHR request

... original request led directly to a 200. This has been both my experience and the behavior called out in the spec. 2016 Update: Time has passed, and the good news is that the new fetch() API is spec'd to offer finer-grained control of how redirects are handled, with default behavior similar to XHR...
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TypeError: Cannot read property 'then' of undefined

... 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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Persistent invalid graphics state error when using ggplot2

I believe my dataframe is okay and my code is okay. In fact, I have eliminated parts of the dataframe and most of the graphing code to make things as basic as possible. But still, I get: ...
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Why java.io.File doesn't have a close() method?

While java.io.RandomAccessFile does have a close() method java.io.File doesn't. Why is that? Is the file closed automatically on finalization or something? ...
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add maven repository to build.gradle

I added a custom maven repository to build.gradle in Android Studio but the dependency is not being found 5 Answers ...
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Enumerable.Empty() equivalent for IQueryable

When a method returns IEnumerable<T> and I do not have anything to return, we can use Enumerable.Empty<T>() . ...
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Can bash show a function's definition?

...ion foobar { echo "I'm foobar" } This does find out what foobar was, and if it was defined as a function it calls declare -f as explained by pmohandras. To print out just the body of the function (i.e. the code) use sed: type foobar | sed '1,3d;$d' ...
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backbone.js - events, knowing what was clicked

... @roufamatic — because those are really standard JavaScript events, so it's out of the scope of BackboneJS. Those docs does not include reference of HTML nor CSS too. – skalee Oct 30 '12 at 7:20 ...
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Is there a JavaScript / jQuery DOM change listener?

... // ... }); // define what element should be observed by the observer // and what types of mutations trigger the callback observer.observe(document, { subtree: true, attributes: true //... }); This example listens for DOM changes on document and its entire subtree, and it will fire on chang...
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When to choose mouseover() and hover() function?

What are the differences between jQuery .mouseover() and .hover() functions? If they are totally same why jQuery uses both? ...