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Number.sign() in javascript
...s fails for small negative fractions like -0.5. (Looks like the source is from an implementation for Integers specifically)
– starwed
Jun 3 '15 at 18:59
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bundle install returns “Could not locate Gemfile”
...the snippet when searching this particular problem, btw. Cheers and thanks from the sleep-deprived future!
– Jaime
Sep 17 '14 at 18:23
1
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The modulo operation on negative numbers in Python
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Here's an explanation from Guido van Rossum:
http://python-history.blogspot.com/2010/08/why-pythons-integer-division-floors.html
Essentially, it's so that a/b = q with remainder r preserves the relationships b*q + r = a and 0 <= r < b.
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Declaring variables inside a switch statement [duplicate]
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Not surprising. It's nice that the error from C# is actually a bit more clear than the gcc error. And actually, I'm not sure I'd classify it as a "problem"... more of an intentionally prohibited syntax. I would guess that most C-based languages act similarly.
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High performance fuzzy string comparison in Python, use Levenshtein or difflib [closed]
...t in a complicated way on how many elements the sequences have in common. (from here)
Levenshtein is O(m*n), where n and m are the length of the two input strings.
Performance
According to the source code of the Levenshtein module :
Levenshtein has a some overlap with difflib (SequenceMatcher). ...
Time complexity of Sieve of Eratosthenes algorithm
From Wikipedia:
4 Answers
4
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T-SQL Cast versus Convert
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jquery live hover
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How to reverse-i-search back and forth? [duplicate]
... am actually looking for. Because CTRL + r searches backward in history, from newest to oldest, I have to:
3 Answers
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Markdown open a new window link [duplicate]
... one could run the following sed command once the (X)HTML has been created from Markdown:
sed -i 's|href="http|target="_blank" href="http|g' index.html
This can be further automated in a single workflow when a Makefile with build instructions is employed.
PS: This answer was written at a time when ...