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Interview question: Check if one string is a rotation of other string [closed]
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First make sure s1 and s2 are of the same length. Then check to see if s2 is a substring of s1 concatenated with s1:
algorithm checkRotation(string s1, string s2)
if( len(s1) != len(s2))
return false
if( substring(s2,concat(s1,s1))
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What does “hashable” mean in Python?
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188
From the Python glossary:
An object is hashable if it has a hash value which never changes...
Sum a list of numbers in Python
I have a list of numbers such as [1,2,3,4,5...] , and I want to calculate (1+2)/2 and for the second, (2+3)/2 and the third,
(3+4)/2 , and so on. How can I do that?
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How do you round a float to two decimal places in jruby
JRuby 1.6.x. How do you round a float to decimal places in jruby.
6 Answers
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How do I revert master branch to a tag in git?
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160
You can do
git checkout master
git reset --hard tag_ABC
git push --force origin master
Plea...
How to add an empty column to a dataframe?
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11 Answers
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Javascript equivalent of Python's zip function
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17 Answers
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Generate random int value from 3 to 6
...crosoft SQL Server generate random int value from Min to Max (3-9 example, 15-99 e.t.c)
10 Answers
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