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Can overridden methods differ in return type?

... for outer 'this' pointers, synthetic static fields for '.class' literals, etc, etc. and covariant return types is yet more syntactic sugar added by javac. for example, when compiling this: class Base { Object get() { return null; } } class Derived extends Base { @Override @SomeAnnotation ...
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What is this 'Lambda' everyone keeps speaking of?

... The above abstraction may not be that useful, but there are other higher order functions, like forEach, that perform much more useful tasks. For example filter: var numbers = [1, 2, 3, 4]; var even = []; // keep all even numbers from above array for (var i=0; i<numbers.length; i++) { i...
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could not resolve host github.com error while cloning remote repository in git

...2.128 is the current IP of github.com which can be set in your local DNS (/etc/hosts in Linux and C:\Windows\System32\drivers\etc\hosts)
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What's the easy way to auto create non existing dir in ansible

...s - name: ensure custom facts directory exists file: > path=/etc/ansible/facts.d recurse=yes state=directory share | improve this answer | follow ...
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HTML Input=“file” Accept Attribute File Type (CSV)

...t;input type="file" accept="text/plain" /> For Image Files (.png/.jpg/etc), use: <input type="file" accept="image/*" /> For HTML Files (.htm,.html), use: <input type="file" accept="text/html" /> For Video Files (.avi, .mpg, .mpeg, .mp4), use: <input type="file" accept="vi...
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“You have mail” message in terminal, os X [closed]

... Hitting any key will cause it to continue to display more of the message, etc., until you read the end of it. Or you can scroll with your mouse/touchpad. You may be able to hit q to abort viewing the message (I can't test that just now, but try it).To delete all messages, you'd use command d *. To ...
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Logical XOR operator in C++?

...ould your suggestion still only work with a macro? Although it's true that order of parameters to be evaluated in a function is compiler-dependent, isn't it currently rare to differ from left-to-right? Also, it might worth to note here in the comments that if an implementation looks like #define XO...
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Efficient way to determine number of digits in an integer

...then reverse the tests: if (x < 10) return 1; if (x < 100) return 2; etc., so that the function will do less tests and exit faster. – squelart Sep 28 '09 at 23:44 29 ...
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CKEditor automatically strips classes from div

....allowedContent = true; To play with a content string works fine for id, etc, but not for the class and style attributes, because you have () and {} for class and style filtering. So my bet is for allowing any class in the editor is: config.extraAllowedContent = '*(*)'; This allows any class a...
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How to create ASP.NET Web API Url?

... neither in your views nor in the standard controllers. UPDATE: And in order to do routing outside of an ApiController you could do the following: public class HomeController : Controller { public ActionResult Index() { string url = Url.RouteUrl( "DefaultApi", ...