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How to map and remove nil values in Ruby
... [1, 2, 5, 8, 10, 13]
enum.filter_map { |i| i * 2 if i.even? }
# => [4, 16, 20]
In your case, as the block evaluates to falsey, simply:
items.filter_map { |x| process_x url }
"Ruby 2.7 adds Enumerable#filter_map" is a good read on the subject, with some performance benchmarks against some of...
Is there a case insensitive jQuery :contains selector?
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edited Dec 20 '11 at 16:54
answered Feb 8 '11 at 17:11
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How do I view the type of a scala expression in IntelliJ
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edited Dec 14 '15 at 16:28
corazza
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answ...
Java 8 List into Map
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Alexis C.
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answered Dec 3 '13 at 23:30
zaplzapl
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How to activate JMX on my JVM for access with jconsole?
...n't work on Ubuntu. The error would be something like
this:
01 Oct 2008 2:16:22 PM sun.rmi.transport. customer .TCPTransport$AcceptLoop executeAcceptLoop
WARNING: RMI TCP Accept-0: accept loop for ServerSocket[addr=0.0.0.0/0.0.0.0,port=0,localport=37278] throws
java.io.IOException: The server socke...
How to tell a Mockito mock object to return something different the next time it is called?
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16
This answer is not the correct thing to do in this case. If you stub this method to return 0 and 1, then you'll be fine so long as you run...
How to uninstall npm modules in node js?
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edited Feb 24 '16 at 7:58
answered Feb 16 '16 at 15:10
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UIImageView aspect fit and center
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Ravi VoodaRavi Vooda
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7
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When to use Spring Integration vs. Camel?
...ng.
– Peter Tillemans
Jun 14 '10 at 16:12
can you take a look stackoverflow.com/questions/46930494/… ?
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How do I deal with certificates using cURL while trying to access an HTTPS url?
...-utils. I did.
– Mark Grimes
Sep 8 '16 at 20:23
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This package is already installed. This answer...