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What is dynamic programming? [closed]
...t is. If not, you use the data in your table to give yourself a stepping stone towards the answer.
The Cormen Algorithms book has a great chapter about dynamic programming. AND it's free on Google Books! Check it out here.
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How to duplicate a git repository? (without forking)
I have two repositories, and I need to copy whole of one onto the other empty one which has different access levels from the first one. The copy and the mother repository should not be linked together.
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How to request a random row in SQL?
... -1 for relying on order by rand() or equivalents in all dbs :|. also mentioned here.
– AD7six
May 26 '14 at 9:27
21
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IEnumerable vs List - What to Use? How do they work?
...3 types. stackoverflow.com/questions/2876616/…
– Bronek
Jan 6 '14 at 20:55
5
@Bronek The answer...
How do I edit an existing tag message in git?
... `# get the second to last date, as the last one is the commit date` \
> git tag tag1 tag1^{} -a -f # finally, update the tag message, but save the date of the old one
>
> git rev-list --objects -g --no-walk --all
6bdcc34...
Is it safe to parse a /proc/ file?
...onsistent snapshot.
For example:
/proc/uptime is totally atomic, as someone mentioned in another answer -- but only since Linux 2.6.30, which is less than two years old. So even this tiny, trivial file was subject to a race condition until then, and still is in most enterprise kernels. See fs/p...
What kinds of patterns could I enforce on the code to make it easier to translate to another program
...etting out to do a side project that has the goal of translating code from one programming language to another. The languages I am starting with are PHP and Python (Python to PHP should be easier to start with), but ideally I would be able to add other languages with (relative) ease. The plan is:
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For each row return the column name of the largest value
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One option using your data (for future reference, use set.seed() to make examples using sample reproducible):
DF <- data.frame(V1=c(2,8,1),V2=c(7,3,5),V3=c(9,6,4))
colnames(DF)[apply(DF,1,which.max)]
[1] "V3" "V1" "V2"
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Convert string to List in one line?
...lass=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49....
Why doesn't list have safe “get” method like dictionary?
... view they're all O(1). The right answer is the typical usage / semantics one...
– Mark Longair
Feb 26 '11 at 8:15
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