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How to find the JVM version from a program?
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10 Answers
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How to check if running as root in a bash script
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430
The $EUID environment variable holds the current user's UID. Root's UID is 0. Use something like...
Targeting position:sticky elements that are currently in a 'stuck' state
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104
There is currently no selector that is being proposed for elements that are currently 'stuck'. ...
How to trace the path in a Breadth-First Search?
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+50
You should have look at http://en.wikipedia.org/wiki/Breadth-first_search first.
Below is a quick implementation, in which I used ...
Which terminal command to get just IP address and nothing else?
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You can write a script that only return the IP like:
/sbin/ifconfig eth0 | grep 'inet addr' | cut -d: -f2 | awk '{print $1}'
For MAC:
ifconfig | grep "inet " | grep -v 127.0.0.1 | cut -d\ -f2
Or for linux system
hostname -i | awk '{print $3}' # Ubuntu
hostname -i # Debian
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How to put comments in Django templates
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answered Apr 6 '09 at 0:13
Van GaleVan Gale
40.8k99 gold badges6565 silver badges7878 bronze badges
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UIView's frame, bounds, center, origin, when to use what?
... bounds is using coordinate of the local view (therefore its x and y are 0, but not always), but it's still confusing to me when to use what.
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How to add reference to a method parameter in javadoc?
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edited May 25 '16 at 7:10
Jacek Laskowski
61.1k2020 gold badges187187 silver badges343343 bronze badges
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Change UICollectionViewCell size on different device orientations
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200
1) You could maintain and swap out multiple layout objects, but there's a simpler way. Just add...
What should a Multipart HTTP request with multiple files look like? [duplicate]
... dot (".").
POST /cgi-bin/qtest HTTP/1.1
Host: aram
User-Agent: Mozilla/5.0 Gecko/2009042316 Firefox/3.0.10
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
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