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How can I ensure that a division of integers is always rounded up?
...you try to do a "clever" trick, odds are good that you've made a mistake. And when a flaw is found, changing the code to fix the flaw without considering whether the fix breaks something else is not a good problem-solving technique. So far we've had I think five different incorrect integer arithme...
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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How can I use “:” as an AWK field separator?
Given the following command,
8 Answers
8
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Difference between 3NF and BCNF in simple terms (must be able to explain to an 8-year old)
... have read the quote :
data depends on the key [1NF], the whole key [2NF] and nothing but the key [3NF] .
6 Answers
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What does “coalgebra” mean in the context of programming?
I have heard the term "coalgebras" several times in functional programming and PLT circles, especially when the discussion is about objects, comonads, lenses, and such. Googling this term gives pages that give mathematical description of these structures which is pretty much incomprehensible to me. ...
How to increment datetime by custom months in python without using library [duplicate]
...time.date(2010, 11, 30)
Also, if you're not worried about hours, minutes and seconds you could use date rather than datetime. If you are worried about hours, minutes and seconds you need to modify my code to use datetime and copy hours, minutes and seconds from the source to the result.
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How to find all positions of the maximum value in a list?
... 0 for this is 2n, the list is iterated through 2x, once to determine max, and another time to find the positions of the max. A for loop that tracks the current max and its position might be more efficient for really long lists.
– radtek
Jan 8 '15 at 18:42
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std::next_permutation Implementation Explanation
...tation was implemented so I extracted the the gnu libstdc++ 4.7 version and sanitized the identifiers and formatting to produce the following demo...
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Best way to simulate “group by” from bash?
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And sort ip_addresses | uniq -c | sort -nr | awk '{ print $2, $1 }' to get the ip address in the first column and count in the second.
– Raghu Dodda
Sep 19 '16 at 22:25
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What kind of Garbage Collection does Go use?
...ine
CPU cores dedicated to running the concurrent collector
tri-color mark-and-sweep algorithm
non-generational
non-compacting
fully precise
incurs a small cost if the program is moving pointers around
lower latency, but most likely also lower throughput, than Go 1.3 GC
Go 1.3 garbage collector up...