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Exit a Script On Error
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answered Dec 7 '10 at 21:13
Byron WhitlockByron Whitlock
48.4k2626 gold badges112112 silver badges164164 bronze badges
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How to install psycopg2 with “pip” on Python?
...ight need to install python3.8-dev or similar for e.g. Python 3.8.
Python 21
sudo apt install libpq-dev python-dev
If that's not enough, try
sudo apt install build-essential
or
sudo apt install postgresql-server-dev-all
as well before installing psycopg2 again.
CentOS 6
See Banjer's answ...
Matplotlib (pyplot) savefig outputs blank image
...issue.
– user989762
Aug 15 '18 at 8:21
Interestingly, if you type plt.plot, plt.savefig, plt.show one by one in termin...
How to convert ActiveRecord results into an array of hashes
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212
as_json
You should use as_json method which converts ActiveRecord objects to Ruby Hashes desp...
How to avoid warning when introducing NAs by coercion
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edited Feb 21 '13 at 0:57
answered Feb 20 '13 at 16:42
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How to get a table cell value using jQuery?
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answered Dec 17 '08 at 21:39
JenniferJennifer
4,90822 gold badges1919 silver badges1919 bronze badges
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How to pipe stdout while keeping it on screen ? (and not to a output file)
...hreads/…
– jlliagre
Jan 28 '16 at 21:09
1
And you can cascade tee like this: cat some.log | tee...
Rollback a Git merge
...ess. It destroys all commits after the merge.
– aaa90210
Jul 22 '19 at 22:03
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Where do gems install?
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216
Look at your gem environment.
In a terminal run gem env
You should see an entry INSTALLATION...
Convert Python dictionary to JSON array
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rkdayrkday
1,01688 silver badges1212 bronze badges
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