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How to map and remove nil values in Ruby
...ct it to become the norm very soon.
For example:
numbers = [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 t...
matplotlib Legend Markers Only Once
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K.-Michael Aye
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answered May 27 '11 at 1:22
DSMDSM
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Regex not operator
Is there an NOT operator in Regexes?
Like in that string : "(2001) (asdf) (dasd1123_asd 21.01.2011 zqge)(dzqge) name (20019)"
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@ character before a function call
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edited Mar 7 '13 at 4:07
Mike Eng
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answered J...
omp parallel vs. omp parallel for
...sharing contructs.
Taken from http://www.openmp.org/mp-documents/OpenMP3.0-SummarySpec.pdf
The specs for OpenMP are here:
https://openmp.org/specifications/
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java SSL and cert keystore
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edited Apr 23 '19 at 15:00
LINGS
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answered May ...
runOnUiThread in fragment
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edited Apr 10 '18 at 17:36
answered May 7 '13 at 17:35
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How to Turn Off Showing Whitespace Characters in Visual Studio IDE
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answered Oct 31 '10 at 23:52
Mitch WheatMitch Wheat
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Visual Studio Editor does not underline errors anymore
My Visual Studio (2008) Editor has stopped to underline Errors (this nifty wavy red lines). I can't really tell when, but it can be related to the installation of .Net Framework 3.5 SP 1 or the MVC Beta (which I guess is unlikely). Furthermore have I installed and uninstalled both CodeRush and Resha...
How to center a “position: absolute” element
...may use:
position: absolute;
margin-left: auto;
margin-right: auto;
left: 0;
right: 0;
text-align: center;
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