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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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How do I resize a Google Map with JavaScript after it has loaded?
I have a 'mapwrap' div set to 400px x 400px and inside that I have a Google 'map' set to 100% x 100%. So the map loads at 400 x 400px, then with JavaScript I resize the 'mapwrap' to 100% x 100% of the screen - the google map resizes to the whole screen as I expected but tiles start disappearing befo...
ASP.NET: This method cannot be called during the application's pre-start initialization stage
I'm trying to get an ASP.NET MVC 3 site running on IIS 6.0.
5 Answers
5
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What is the IntelliJ shortcut key to create a javadoc comment?
...tual stub
– Ghilteras
Jun 11 '19 at 0:06
@RachelGallen Could assist with this stackoverflow.com/q/61094391/2810718
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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...
MYSQL Dump only certain rows
...ion. It should be a valid SQL WHERE clause, like:
--where="date_pulled='2011-05-23'"
You have the column name outside of the quotes.
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Why can't I use an alias in a DELETE statement?
In SQL Server Compact Edition in Visual Studio 2010 (maybe SQL Server and SQL in general, I don't know), this command works:
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