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How do you know when to use fold-left and when to use fold-right?
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Example:
scala> List.range(1, 10000).foldLeft(0)(_ + _)
res1: Int = 49995000
scala> List.range(1, 10000).foldRight(0)(_ + _)
java.lang.StackOverflowError
at scala.List.foldRight(List.scala:1081)
at scala.List.foldRight(List.scala:1081)
at scala.List.foldRight(List....
Elastic search, multiple indexes vs one index and types for different data sets?
....1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43...
Network tools that simulate slow network connection [closed]
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ephemientephemient
173k3232 gold badges249249 silver badges372372 bronze badges
50
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Total size of the contents of all the files in a directory [closed]
...ast.
– theJollySin
Oct 16 '15 at 22:49
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show 2 more comments
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how to ignore namespaces with XPath
...>Blender 2.83.3 commit date:2020-07-22, commit time:06:01, hash:353e5bd7493e</authoring_tool>
</contributor>
<created>2020-08-03T14:03:19</created>
<modified>2020-08-03T14:03:19</modified>
<unit name="meter" meter="1"/>
<up_axis>...
In a PHP project, what patterns exist to store, access and organize helper objects? [closed]
...gested?
– Alix Axel
Jan 23 '10 at 2:49
Added a link to DI implementation and container in my answer.
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The Concept of 'Hold space' and 'Pattern space' in sed
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Julian Mehnle
11499 bronze badges
answered Jun 5 '17 at 19:54
Sanghyun LeeSanghyun Lee
16.2k17...
How do you determine what technology a website is built on? [closed]
...ome?
– Andrew Hubbs
Sep 16 '10 at 3:49
@Andrew did at least try to find it out? it's the first result I get searching ...
Restart node upon changing a file
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@dk49 because PHP scripts in that case are started for every incoming request, and stopped after they've done generating the page.
– Daerdemandt
Dec 4 '16 at 22:51
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Why is list initialization (using curly braces) better than the alternatives?
....1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43...