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How to sum array of numbers in Ruby?
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Try this:
array.inject(0){|sum,x| sum + x }
See Ruby's Enumerable Documentation
(note: the 0 base case is needed so that 0 will be returned on an empty array instead of nil)
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Removing pip's cache?
...g cached.
– Robert Lugg
Sep 3 at 10:03
@RobertLugg looks like you are right! pip cache list returns Nothing cached.
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CSS to line break before/after a particular `inline-block` item
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@JMCCreative That's ASCII 0x0A, AKA a LF (line feed) character. See w3.org/TR/CSS2/syndata.html#strings
– Phrogz
Jan 5 '11 at 21:46
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Statistics: combinations in Python
... 8 1
1 9 36 84 126 126 84 36 9 1
1 10 45 120 210 252 210 120 45 10 1
1 11 55 165 330 462 462 330 ...
Rails - Could not find a JavaScript runtime?
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answered Sep 13 '12 at 7:03
Ramiz RajaRamiz Raja
4,96222 gold badges2323 silver badges3434 bronze badges
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“#include” a text file in a C program as a char[]
... = {
0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x0a
};
unsigned int a_len = 12;
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C# Lazy Loaded Automatic Properties
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Colonel Panic
113k7171 gold badges350350 silver badges426426 bronze badges
answered Oct 27 '10 at 19:20
JaredParJaredPar
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SQL Server 2005 How Create a Unique Constraint?
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edited Jan 21 '13 at 18:03
SageMage
93877 silver badges1616 bronze badges
answered Aug 21 '09 at 18:32...
How to get Maven project version to the bash command line
...rsion}'.
– James H.
Jan 5 '17 at 16:03
1
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Bash script to calculate time elapsed
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answered Jun 4 '13 at 1:03
OmnipotentEntityOmnipotentEntity
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