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How to list running screen sessions?
..., that's a screen's flaw)
That's why I instead use a script such as this: ps auxw|grep -i screen|grep -v grep
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CSS Child vs Descendant selectors
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div > p matches ps that have a div parent - <div><p> in your question
div p matches ps that have a div ancestor (parent, grandparent, great grandparent, etc.) - <div><p> and <div><div><p> in your que...
How to temporarily exit Vim and go back
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ps to view foreground processes unix.stackexchange.com/questions/6115/…
– Vlad Vinnikov
Oct 29 '12 at 16:47
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Python Nose Import Error
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I had a problem with PS1=${PS1:-} set when activating virtualenv (to overcome errors on unset variables). After removing this and switching to set +u, I had no problems anymore.
– Juuso Ohtonen
Jan 17 '18 at...
Center a popup window on screen?
...At this rate, we will have an answer for 5 monitors in 2020, 6 monitors in 2025, 7 monitors in 2030... let's keep this cycle going!
– Tony M
Mar 20 '15 at 20:34
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Heroku deployment error H10 (App crashed)
...but I found more info when I tried to go through the console. Hope this helps.
$ heroku run rails console
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PreparedStatement IN clause alternatives?
...CT UNNEST(?::VARCHAR[])) or ... IN (SELECT UNNEST(CAST(? AS VARCHAR[]))). (PS: I don't think ANY works with a SELECT.)
– ADTC
Aug 1 '13 at 3:17
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How do I capture the output into a variable from an external process in PowerShell?
...ns synchronously - just invoke them directly, as in any shell. Doing so keeps the application connected to the calling console's standard streams, allowing its output to be captured by simple assignment $output = netdom ..., as detailed below.
Fundamentally, capturing output from external programs w...
Repeat command automatically in Linux
... tiny bit shorter than mikhail's solution. A minor drawback is that it sleeps before running the target command for the first time.
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How can I tell where mongoDB is storing data? (its not in the default /data/db!)
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mongod defaults the database location to /data/db/.
If you run ps -xa | grep mongod and you don't see a --dbpath which explicitly tells mongod to look at that parameter for the db location and you don't have a dbpath in your mongodb.conf, then the default location will be: /data/db/ and ...