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:not(:empty) CSS selector is not working?
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Hmm, I don't remember what I did to get the effects to go away with just the input:empty. Perhaps I typed something wrong, who knows.
– animuson♦
Dec 26 '11 at 21:47
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MongoDB aggregation framework match OR
...' }, { author: 'john' }] }
Like so, since the $match operator just takes what you would normally put into the find() function
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How to sort a list of objects based on an attribute of the objects?
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That's what I was looking for! Could you point us to some documentation that elaborates on why __eq__ and __lt__ are the minimum implementation requirements?
– FriendFX
Aug 7 '19 at 0:23
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Restoring MySQL database from physical files
...d step by step instructions. But I edited some statements to truly reflect what they should be.
– Peter
Jul 24 '17 at 15:42
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Why implement interface explicitly?
So, what exactly is a good use case for implementing an interface explicitly?
11 Answers
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Skip callbacks on Factory Girl and Rspec
...skipping from a FactoryBot factory.
ArgumentError: After commit callback :whatever_callback has not been defined
There was a change in Rails 5 with how skip_callback handles unrecognized callbacks:
ActiveSupport::Callbacks#skip_callback now raises an ArgumentError if an unrecognized callback ...
Sending email in .NET through Gmail
...default, but maybe the default gets changed when running in IIS---was that what you were doing?
– Domenic
Mar 16 '09 at 19:55
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How to detect the currently pressed key?
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@LMK Nice catch. I tested it myself and verified what you said. I updated my answer to reflect that information. Thanks!
– Steven Doggart
Oct 8 '14 at 13:20
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How can i tell if an object has a key value observer attached
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If you're doing this in the class of the object being observed, stop. Whatever's observing it expects to keep observing it. If you cut off the observer's notifications without its knowledge, expect things to break; more specifically, expect the observer's state to go stale as it doesn't receive...
When should I use “this” in a class?
...of your code, so most people who are asking about "this", won't understand what "return new user(this);" means, as I don't...
– nckbrz
Apr 11 '14 at 21:25
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