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Are there any standard exit status codes in Linux?
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(This was linked in another answer, but to a non-canonical URL.)
1: Catchall for general errors
2: Misuse of shell builtins (according to Bash documentation)
126: Command invoked cannot execute
127: "command not found"
128: Invalid argument to exit
128+n: Fatal error signal "n"
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Centering a div block without the width
...exbox support) but this method also allows many other things, and is a dedicated CSS rule for this type of behavior:
HTML:
<div class="container">
<div class="centered">This content is centered</div>
</div>
CSS:
.container {
display: flex;
flex-direction: column; /...
How can I test https connections with Django as easily as I can non-https connections using 'runserv
I have an application that uses "secure" cookies and want to test it's functionality without needing to set up a complicated SSL enabled development server. Is there any way to do this as simply as I can test non-encrypted requests using ./manage.py runserver ?
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Really Cheap Command-Line Option Parsing in Ruby
... require 'getopts', mainly due to the awesomeness that is OptionParser:
% cat temp.rb
require 'optparse'
OptionParser.new do |o|
o.on('-d') { |b| $quiet = b }
o.on('-i') { |b| $interactive = b }
o.on('-f FILENAME') { |filename| $file...
'id' is a bad variable name in Python
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@Caramdir: Good catch, id was slated for removal at one time, but eventually they decided not to remove it. I'm no longer able to edit my original comment, so I'll delete it to avoid confusing people in the future.
– E...
PyLint “Unable to import” error - how to set PYTHONPATH?
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The problem can be solved by configuring pylint path under venv:
$ cat .vscode/settings.json
{
"python.pythonPath": "venv/bin/python",
"python.linting.pylintPath": "venv/bin/pylint"
}
share
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How to kill all processes with a given partial name? [closed]
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Just a slight modification, perhaps it is better to quote the process name: ps -ef | grep 'myProcessName' | grep -v grep | awk '{print $2}' | xargs -r kill -9 Without quotes, only one of my background processes was killed on the first run. Ru...
How to resolve “Error: bad index – Fatal: index file corrupt” when using Git
...e .git won't even be a folder - it will will be a text document with the location of the real .git data for this repository. Likely something like this:
~/dev/api $ cat .git
gitdir: ../.git/modules/api
So, instead of rm -f .git/index, you will need to do this:
rm -f ../.git/modules/api/index
git ...
What is a mutex?
...o talk. If you don't hold the chicken you cannot speak. You can only indicate that you want the chicken and wait until you get it before you speak. Once you have finished speaking, you can hand the chicken back to the moderator who will hand it to the next person to speak. This ensures that peop...
Postgres: Distinct but only for one column
...pgsql with names (having more than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata .
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