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Getting the last revision number in SVN?
... svn info
– Richard
May 20 '10 at 8:32
32
svnversion is for local working copies, and won't acces...
SQL - HAVING vs. WHERE
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32
First we should know the order of execution of Clauses i.e
FROM > WHERE > GROUP BY > H...
Which version of Python do I have installed?
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632
python -V
http://docs.python.org/using/cmdline.html#generic-options
--version may also work ...
How to exit from PostgreSQL command line utility: psql
... @aorth Yes, they announced it a few months ago: stackoverflow.com/a/50513432/5070879
– Lukasz Szozda
Oct 20 '18 at 10:11
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show 1 more comm...
How to tell if node.js is installed or not
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how can I know if I have a 32-bit or a 64-bit ?
– Francisco Corrales Morales
Mar 23 '14 at 20:11
...
How to concatenate two strings in C++?
...t in C??
– IcyFlame
Mar 10 '13 at 7:32
21
Can't you see that I said "If you were programming..."?...
Verify a certificate chain using openssl verify
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answered Jul 3 '15 at 11:32
PeterPeter
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How to reload the current state?
... RohanRohan
7,87655 gold badges2020 silver badges3232 bronze badges
21
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why windows 7 task scheduler task fails with error 2147942667
...ejp2code
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5
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Combine two or more columns in a dataframe into a new column with a new name
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132
Use paste.
df$x <- paste(df$n,df$s)
df
# n s b x
# 1 2 aa TRUE 2 aa
# 2 3 bb ...