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Is there a “not in” operator in JavaScript for checking object properties?
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answered Nov 1 '11 at 20:26
JordãoJordão
49.8k1111 gold badges103103 silver badges131131 bronze badges
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How to map and remove nil values in Ruby
... 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 the...
Is it possible to use Swift's Enum in Obj-C?
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edited Nov 20 '19 at 9:09
answered Feb 10 '15 at 16:02
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Waiting until two async blocks are executed before starting another block
... projects.
dispatch_release(group);
and could produce output like this:
2012-08-11 16:10:18.049 Dispatch[11858:1e03] Block1
2012-08-11 16:10:18.052 Dispatch[11858:1d03] Block2
2012-08-11 16:10:23.051 Dispatch[11858:1e03] Block1 End
2012-08-11 16:10:26.053 Dispatch[11858:1d03] Block2 End
2012-08-1...
Is there a Java equivalent to C#'s 'yield' keyword?
... options I know of is Aviad Ben Dov's infomancers-collections library from 2007 and Jim Blackler's YieldAdapter library from 2008 (which is also mentioned in the other answer).
Both will allow you to write code with yield return-like construct in Java, so both will satisfy your request. The notable...
Difference between @Mock and @InjectMocks
...ers?
– Pierre Thibault
Jul 8 '19 at 20:30
@PierreThibault Injecting mocks only works for direct members, but you can s...
Grep regex NOT containing string
...ll not work.
– pawamoy
Dec 2 '15 at 20:25
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show 5 more comments
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Saving grid.arrange() plot to file
...ype?
– Jack Aidley
Jun 16 '14 at 12:20
@JackAidley ask a new question, with a minimum self-contained reproducible exam...
HTML form readonly SELECT tag/input
...abled attribute
– Jo.
Sep 25 '17 at 20:09
4
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How to convert AAR to JAR
...ed jar ?
– 2cupsOfTech
Jul 8 '15 at 20:40
2
This solution only extract the jar file, but resource...