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Rails: how do I validate that something is a boolean?
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Since Rails 3, you can do:
validates :field, inclusion: { in: [ true, false ] }
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How to reduce iOS AVPlayer start delay
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For iOS 10.x and greater to reduce AVPlayer start delay I set:
avplayer.automaticallyWaitsToMin...
foldl versus foldr behavior with infinite lists
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How do I get the name of a Ruby class?
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edited Aug 7 '19 at 14:26
Hans Z
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answered Ma...
Cancellation token in Task constructor: why?
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How to send a correct authorization header for basic authentication
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You can include the user and password as part of the URL:
http://user:passwd@www.server.com/in...
“Header Search Paths” vs. “User Header Search Paths” in Xcode?
...l Bourque
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answered Aug 7 '10 at 5:53
JWWalkerJWWalker
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Styling text input caret
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If you are using a webkit browser you can change the color of the caret by following the next CS...
Fixing the order of facets in ggplot
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Make your size a factor in your dataframe by:
temp$size_f = factor(temp$size, levels=c('50%','...