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Identify user in a Bash script called by sudo
If I create the script /root/bin/whoami.sh containing:
7 Answers
7
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How to sort a list in Scala by two fields?
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what if we want to reverse sort on lastName and then natural sort on firstName?
– Sachin K
Jun 18 '14 at 9:19
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How to run Node.js as a background process and never die?
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Simple solution (if you are not interested in coming back to the process, just want it to keep running):
nohup node server.js &
There's also the jobs command to see an indexed list of those backgrounded processes. And you can kill a b...
How to get the home directory in Python?
...on all platforms:
from os.path import expanduser
home = expanduser("~")
If you're on Python 3.5+ you can use pathlib.Path.home():
from pathlib import Path
home = str(Path.home())
share
|
improv...
How to get the last char of a string in PHP?
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If you’re using multibyte character encodings like UTF-8, use mb_substr (php.net/mb_substr) instead.
– Gumbo
Apr 21 '10 at 10:19
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Toggle input disabled attribute using jQuery
...return this.each(function() {
var $this = $(this);
if ($this.attr('disabled')) $this.removeAttr('disabled');
else $this.attr('disabled', 'disabled');
});
};
})(jQuery);
Example link.
EDIT: updated the example link/code to maintaining chainability!...
How do I turn a String into a InputStreamReader in java?
...pending on the default platform encoding and characters in the string. Specifying a Unicode encoding for both encoding and decoding operations would be better. Read this for more details: illegalargumentexception.blogspot.com/2009/05/…
– McDowell
Aug 11 '09 a...
App Inventor 2 CustomWebView 拓展：高级版Web浏览器，完美浏览现代Web前...
...InitialScale
Sets the initial scale for active WebView. 0 means default. If initial scale is greater than 0, WebView starts with this value as initial scale.
LayerType
Gets layer type
LoadWithOverviewMode
Returns whether the WebView loads pages in overview mode
LongClickable
Returns wh...
Adding a new value to an existing ENUM Type
...
NOTE if you're using PostgreSQL 9.1 or later, and you are ok with making changes outside of a transaction, see this answer for a simpler approach.
I had the same problem few days ago and found this post. So my answer can be hel...
How to write loop in a Makefile?
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The following will do it if, as I assume by your use of ./a.out, you're on a UNIX-type platform.
for number in 1 2 3 4 ; do \
./a.out $$number ; \
done
Test as follows:
target:
for number in 1 2 3 4 ; do \
echo $$number ; \
do...