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How to use SSH to run a local shell script on a remote machine?
...ssh user@host2 <<'END2'
# Another bunch of commands on another host
wall <<'ENDWALL'
Error: Out of cheese
ENDWALL
ftp ftp.secureftp-test.com <<'ENDFTP'
test
test
ls
ENDFTP
END2
ENDSSH
You can actually have a conversation with some services like telnet, ftp, etc. But remember that...
postgresql list and order tables by size
How can I list all the tables of a PostgreSQL database and order them by size ?
7 Answers
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Get object by id()? [duplicate]
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@HamidFzM No, not really. If I have an ID, I maybe don't even know whether the object still exists or not.
– glglgl
Jul 21 '14 at 8:13
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Django migration strategy for renaming a model and relationship fields
...n files (!).
Update: As ceasaro mentions, newer versions of Django are usually able to detect and ask if a model is renamed. So try manage.py makemigrations first and then check the migration file.
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TypeError: Missing 1 required positional argument: 'self'
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answered Dec 3 '17 at 15:58
ghersongherson
10311 silver badge88 bronze badges
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Copy file or directories recursively in Python
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I suggest you first call shutil.copytree, and if an exception is thrown, then retry with shutil.copy.
import shutil, errno
def copyanything(src, dst):
try:
shutil.copytree(src, dst)
except OSError as exc: # python >2.5
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Calculate distance between 2 GPS coordinates
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Federico klez Culloca
21.2k1515 gold badges5252 silver badges8787 bronze badges
answered Dec 13 '08 at 22:22
cletuscletus
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Can jQuery provide the tag name?
...Name.toLowerCase(), as most DOM representations of HTML documents automatically uppercase the nodeName.
– NickFitz
Oct 7 '09 at 15:27
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How to determine SSL cert expiration date from a PEM encoded certificate?
...an I query the cert file for when it will expire? Not a web site, but actually the certificate file itself, assuming I have the csr, key, pem and chain files.
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Installing R with Homebrew
I'm trying to install R using Homebrew. I ran these commands which are recommended elsewhere on SO:
12 Answers
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