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How to find out which processes are using swap space in Linux?
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edited Oct 3 '15 at 9:24
gvlasov
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Covariance, Invariance and Contravariance explained in plain English?
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How do I convert from stringstream to string in C++?
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edited Sep 15 '19 at 13:10
Ayxan Haqverdili
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Difference between EXISTS and IN in SQL?
...ve a static list to pass:
select * from [table]
where [field] in (1, 2, 3)
When you have a table in an in statement it makes more sense to use a join, but mostly it shouldn't matter. The query optimiser should return the same plan either way. In some implementations (mostly older, such as Micro...
Python using enumerate inside list comprehension
...t that gets returned is as expected:
> [(0, 'a'), (1, 'b'), (2, 'c'), (3, 'd')]
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How to check if a line is blank using regex
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337
The pattern you want is something like this in multiline mode:
^\s*$
Explanation:
^ is th...
Can the Unix list command 'ls' output numerical chmod permissions?
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it almost can ..
ls -l | awk '{k=0;for(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/) \
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T-SQL: Deleting all duplicate rows but keeping one [duplicate]
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lose vim colorscheme in tmux mode
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253
I had the same problem. Only difference was I am using solarize rather then molokai.
To fix the...
How to unzip a list of tuples into individual lists? [duplicate]
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Use zip(*list):
>>> l = [(1,2), (3,4), (8,9)]
>>> list(zip(*l))
[(1, 3, 8), (2, 4, 9)]
The zip() function pairs up the elements from all inputs, starting with the first values, then the second, etc. By using *l you apply all tuples in l as separat...