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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...
Is there a way to follow redirects with command line cURL?
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answered Aug 27 '13 at 20:24
Nathan KuchtaNathan Kuchta
11.1k22 gold badges2323 silver badges3333 bronze badges
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How do you install ssh-copy-id on a Mac?
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edited Jul 20 '16 at 19:50
answered Sep 4 '14 at 4:52
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Soft wrap at 80 characters in Vim in window of arbitrary width
...nt to use Vim's soft wrap capability ( :set wrap ) to wrap some code at 80 characters, regardless of my actual window width.
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What is the difference between children and childNodes in JavaScript?
...dNodes.length === 1; // Contains a Text node child.
el.children.length === 0; // No Element children.
Most of the time, you want to use .children because generally you don't want to loop over Text or Comment nodes in your DOM manipulation.
If you do want to manipulate Text nodes, you probably w...
How to set limits for axes in ggplot2 R plots?
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Basically you have two options
scale_x_continuous(limits = c(-5000, 5000))
or
coord_cartesian(xlim = c(-5000, 5000))
Where the first removes all data points outside the given range and the second only adjusts the visible area. In most cases you would not see the difference, but if ...
Static implicit operator
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270
This is a conversion operator. It means that you can write this code:
XmlBase myBase = new XmlB...
CATALINA_OPTS vs JAVA_OPTS - What is the difference?
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GnanamGnanam
9,0651515 gold badges4545 silver badges7171 bronze badges
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Rails - Nested includes on Active Records?
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– Arup Rakshit
May 29 '15 at 12:09
1
how to add there a order?
– Floria...
how to make a specific text on TextView BOLD
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390
Just build your String in HTML and set it:
String sourceString = "<b>" + id + "</b>...