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ImportError: Cannot import name X
... my_function
The main script had Windows line endings. my_sub_module had UNIX line endings. Changing them to be the same fixed the problem. They also need to have the same character encoding.
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How do I find the authoritative name-server for a domain name?
...e servers are authoritative.
To find out the name servers of a domain on Unix:
% dig +short NS stackoverflow.com
ns52.domaincontrol.com.
ns51.domaincontrol.com.
To find out the server listed as primary (the notion of "primary" is quite fuzzy these days and typically has no good answer):
% ...
How to specify different Debug/Release output directories in QMake .pro file
...hange Debug to debug (lower case) it works. I suspect this is a windows vs unix case sensitivity thing.
– notlesh
Dec 31 '12 at 18:14
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Save Screen (program) output to a file
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Looking for the screenlog.0 file created by Ctrl-a H? unix.stackexchange.com/questions/198881/…
– straville
Jan 4 '19 at 14:54
add a comment
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MySQL integer field is returned as string in PHP
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This is a great solution for values created by UNIX_TIMESTAMP(), for example.
– David
Jul 15 at 17:22
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Nginx reverse proxy causing 504 Gateway Timeout
...on ~ \.php$ {
include /etc/nginx/fastcgi_params;
fastcgi_pass unix:/var/run/php5-fpm.sock;
fastcgi_read_timeout 300;
}
and after adding these lines in nginx.conf, then don't forget to restart nginx.
service php7-fpm reload
service nginx reload
or, if you're using valet then s...
Extract public/private key from PKCS12 file for later use in SSH-PK-Authentication
...y answer was just a poor duplicate of a well explained question on https://unix.stackexchange.com/... by BryKKan
Here is an extract from it:
openssl pkcs12 -in <filename.pfx> -nocerts -nodes | sed -ne '/-BEGIN PRIVATE KEY-/,/-END PRIVATE KEY-/p' > <clientcert.key>
openssl pkcs12 -i...
Copy file or directories recursively in Python
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Unix cp doesn't 'support both directories and files':
betelgeuse:tmp james$ cp source/ dest/
cp: source/ is a directory (not copied).
To make cp copy a directory, you have to manually tell cp that it's a directory, by usin...
How to remove old Docker containers
... older Docker versions, you can string Docker commands together with other Unix commands to get what you need. Here is an example on how to clean up old containers that are weeks old:
$ docker ps --filter "status=exited" | grep 'weeks ago' | awk '{print $1}' | xargs --no-run-if-empty docker rm
To...
grep output to show only matching file
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You can use the Unix-style -l switch – typically terse and cryptic – or the equivalent --files-with-matches – longer and more readable.
The output of grep --help is not easy to read, but it's there:
-l, --files-with-matches print on...