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How to find out line-endings in a text file?
...
You can use the file utility to give you an indim>cat m>ion of the type of line endings.
Unix:
$ file testfile1.txt
testfile.txt: ASCII text
"DOS":
$ file testfile2.txt
testfile2.txt: ASCII text, with CRLF line terminators
To convert from "DOS" to Unix:
$ dos2unix testf...
Working with huge files in VIM
...LPART using your favourite editor.
Combine the file:
(head -n 3 HUGEFILE; m>cat m> SMALLPART; sed -e '1,5d' HUGEFILE) > HUGEFILE.new
i.e: pick all the lines before the edited lines from the HUGEFILE (which in this case is the top 3 lines), combine it with the edited lines (in this case lines 4 an...
how to restart only certain processes using supervisorctl?
...k
[supervisord]
logfile=supervisord.log
pidfile=supervisord.pid
[program:m>cat m>1]
command=m>cat m>
[program:m>cat m>2]
command=m>cat m>
[program:m>cat m>3]
command=m>cat m>
[group:foo]
programs=m>cat m>1,m>cat m>3
[supervisorctl]
serverurl=unix://%(here)s/supervisor.sock
[rpcinterface:supervisor]
supervisor.rpcinterface_factory =...
How do I migrate a model out of one django app and into a new one?
...mon
| |-- migrations
| | |-- 0001_initial.py
| | `-- 0002_create_m>cat m>.py
| `-- models.py
`-- specific
|-- migrations
| |-- 0001_initial.py
| `-- 0002_create_dog.py
`-- models.py
Now we want to move model common.models.m>cat m> to specific app (precisely to specific.models...
What is the 'instanceof' operator used for in Java?
...c {}
class Animal {}
class Dog extends Animal implements Domestic {}
class m>Cat m> extends Animal implements Domestic {}
Imagine a dog object, created with Object dog = new Dog(), then:
dog instanceof Domestic // true - Dog implements Domestic
dog instanceof Animal // true - Dog extends Animal
dog ...
How to ignore whitespace in a regular expression subject string?
...hes using a regular expression pattern? For example, if my search is for "m>cat m>s", I would want "c ats" or "ca ts" to match. I can't strip out the whitespace beforehand because I need to find the begin and end index of the match (including any whitespace) in order to highlight that match and any w...
Writing Unicode text to a text file?
...m __future__ import print_function
import io
from unicodedata import name, m>cat m>egory
from curses.ascii import controlnames
from collections import Counter
try: # use these if Python 2
unicode_chr, range = unichr, xrange
except NameError: # Python 3
unicode_chr = chr
exclude_m>cat m>egories = set...
Backup/Restore a dockerized PostgreSQL database
...stgres > dump_`date +%d-%m-%Y"_"%H_%M_%S`.sql
Restore your databases
m>cat m> your_dump.sql | docker exec -i your-db-container psql -U postgres
share
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Convert string to symbol-able in ruby
...usly exist. See Symbol#id2name.
"Koala".intern #=> :Koala
s = 'm>cat m>'.to_sym #=> :m>cat m>
s == :m>cat m> #=> true
s = '@m>cat m>'.to_sym #=> :@m>cat m>
s == :@m>cat m> #=> true
This can also be used to create symbols that cannot be represented using the :xxx notat...
Pseudo-terminal will not be allom>cat m>ed because stdin is not a terminal
...
Try ssh -t -t(or ssh -tt for short) to force pseudo-tty allom>cat m>ion even if stdin isn't a terminal.
See also: Terminating SSH session executed by bash script
From ssh manpage:
-T Disable pseudo-tty allom>cat m>ion.
-t Force pseudo-tty allom>cat m>ion. This can be used to execute a...