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Using boolean values in C
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!a == !b is also sufficient for testing equality, non-zeros become zero, and zeros become one.
– ryanpattison
Jul 10 '15 at 14:30
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jQuery: checking if the value of a field is null (empty)
...ole.log('not empty');
}
<input id="person_data[document_type]" value="test" />
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How to JSON serialize sets?
... called again, this time with obj being a date object, so you just have to test for it and return a date-representation.
– jterrace
Nov 22 '11 at 17:08
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Why no generics in Go?
...4, 5, 6, 7, 8, 9})
PrintSlice([]string{"a", "b", "c", "d"})
}
You can test this example here https://go2goplay.golang.org/p/I09qwKNjxoq. This playground works just like the usual Go playground, but it supports generic code. See https://blog.golang.org/generics-next-step.
Parametric polymorphism...
How to check if object (variable) is defined in R?
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heh. Happens to me all the time when I am testing out examples before posting, Gavin or Josh have already answered it.
– Maiasaura
Feb 20 '12 at 22:17
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Increasing client_max_body_size in Nginx conf on AWS Elastic Beanstalk
... The file format is documented at docs.aws.amazon.com/elasticbeanstalk/latest/dg/…. The progress is logged at /var/log/cfn-init.log. In the logs you should see something like 2014-xx-xx xx:xx:xx,xxx [DEBUG] Writing content to /etc/nginx/conf.d/proxy.conf. I'm not sure, but it seemed like restart...
Storing C++ template function definitions in a .CPP file
...e file at first until I needed further instantiations elsewhere (e.g. unit tests using a mock as the templated type). This separation allows me to add more instantiations externally. Furthermore, it still works when I keep the original as a h/cpp pair although I had to surround the original list of ...
How to affect other elements when one element is hovered
...ube { background-color: yellow; }
Where .cube is CssClass of the #cube.
Tested in Firefox, Chrome and Edge.
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What is a domain specific language? Anybody using it? And in what way?
...ose language but it can be used to write DSLs. docs.groovy-lang.org/docs/latest/html/documentation/…
– Charlie Martin
Jul 27 '15 at 13:10
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Reshaping data.frame from wide to long format
... Sorry to necro this post - could someone explain to me why 3 works? I've tested it and it works, but I don't understand what dplyr is doing when it sees -c(var1, var2)...
– user5930691
Nov 16 '19 at 18:04
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