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Wrap a delegate in an IEqualityComparer

...fying. But I still don't understand your hashing policy of t => 0. If all objects always hash to the same thing (zero), then isn't that even more broken than using obj.GetHashCode, per @Dan Tao's point? Why not always force the caller to provide a good hash function? – Jo...
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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?

... = "function-name"; appeared, where function-name is the name of the lexically-enclosing function. This name is the unadorned name of the function. Note that it is not a macro and it has no special meaning during preprocessing. __func__ was added to C++ in C++11, where it is specified as containi...
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How to set breakpoints on future shared libraries with a command flag

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data.table vs dplyr: can one do something well the other can't or does poorly?

... @bluefeet: I don't think you did the rest of us any great service by moving that discussion to chat. I was under the impression that Arun was one of the developers and this might have resulted in useful insights. – IRTFM Jan 5 '15 at 21:20 ...
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How does Access-Control-Allow-Origin header work?

...hen a page from http://www.example.com attempts to access a user's data in service.example.com, the following request header would be sent to service.example.com: Origin: http://www.example.com The server at service.example.com may respond with: An Access-Control-Allow-Origin (ACAO) header in its...
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How can I force users to access my page over HTTPS instead of HTTP?

... The way I've done it before is basically like what you wrote, but doesn't have any hardcoded values: if($_SERVER["HTTPS"] != "on") { header("Location: https://" . $_SERVER["HTTP_HOST"] . $_SERVER["REQUEST_URI"]); exit(); } ...
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Django: How do I add arbitrary html attributes to input fields on a form?

... earlier to modify 3 fields: ``` for field_name in ['image', 'image_small', 'image_mobile']: field = self.fields.get(field_name) field.widget.attrs['data-file'] = 'file' ``` – Stuart Axon Jun 6 '14 at 11:59 ...
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How to delete all Annotations on a MKMapView

Is there a simple way to delete all the annotations on a map without iterating through all the displayed annotations in Objective-c? ...
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Setting Icon for wpf application (VS 08)

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Vim: insert the same characters across multiple lines

...e the screen in the first line - until Esc is pressed (6.), at which point all lines will be updated. Press Esc. An uppercase I must be used rather than a lowercase i, because the lowercase i is interpreted as the start of a text object, which is rather useful on its own, e.g. for selecting insi...