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How does a hash table work?
...e come.
Say that the output of the hash algorithm is in the range of 0 to 20 and you get the value 17 from a particular title. If the size of the library is only 7 books, you count 1, 2, 3, 4, 5, 6, and when you get to 7, you start back at 0. Since we need to count 17 times, we have 1, 2, 3, 4, 5, ...
Does C have a “foreach” loop construct?
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Android; Check if file exists without creating a new one
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answered Apr 26 '13 at 13:52
Maikel BollemeijerMaikel Bollemeijer
6,14555 gold badges2323 silver badges4646 bronze badges
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Error while installing json gem 'mkmf.rb can't find header files for ruby'
...rn era update, as stated by mimoralea:
In case that you are using ruby 2.0 or 2.2 (thanks @patrick-davey).
sudo apt-get install ruby2.0-dev
sudo apt-get install ruby2.2-dev
sudo apt-get install ruby2.3-dev
or, generic way:
sudo apt-get install ruby-dev
or
sudo apt-get install ruby`r...
jQuery/JavaScript: accessing contents of an iframe
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answered Dec 13 '08 at 8:25
Onur BebinOnur Bebin
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What is the difference between map and flatMap and a good use case for each?
... into a single RDD of results.
rdd.flatMap(_.split(" ")).collect
res2: Array[String] = Array("Roses", "are", "red", "Violets", "are", "blue")
We have multiple words per line, and multiple lines, but we end up with a single output array of words
Just to illustrate that, flatMapping from a c...