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Dealing with “java.lang.OutOfMemoryError: PermGen space” error
...ingEnabled -XX:+CMSPermGenSweepingEnabled" - Restarted tomcat using: sudo /etc/init.d/tomcat6 start
– sami
Dec 10 '10 at 14:44
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How to use the PI constant in C++
...t take this approach, we people make mistakes, rounding, copy&pasting, etc. I think using M_PI is the right approach.
– nacho4d
Jan 21 '14 at 1:47
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Create a .csv file with values from a Python list
...l fields, only fields with quotes and seperators, only non numeric fields, etc) and how to esacpe control charecters (double quotes, or escaped strings). If your values are simple, string.join will probably be OK but if you're having to manage lots of edge cases, use the module available.
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Getting MAC Address
... iface you want the MAC for since many can exist (bluetooth, several nics, etc.).
This does the job when you know the IP of the iface you need the MAC for, using netifaces (available in PyPI):
import netifaces as nif
def mac_for_ip(ip):
'Returns a list of MACs for interfaces that have given IP...
How to group time by hour or by 10 minutes
... to group by a longer period then 60 minutes, say 720, which is half a day etc.
Styling HTML email for Gmail
...ing templates like those mentioned above from mailchimp, campaign monitor, etc. as they, as you have found, will not work in some email programs. This tool leaves your style section for the mail programs that will read it and puts all the styles inline to get more universal readability in the forma...
How do I find which rpm package supplies a file I'm looking for?
...ries such as listing package contents, dependencies, reverse-dependencies, etc.
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Shell - Write variable contents to a file
...ue will be converted to a single space, glob expressions will be expanded, etc.
– Charles Duffy
Jul 23 '12 at 19:54
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node.js shell command execution
...arg1 arg2 ... "). Your foo.sh script can reference these using $1, $2 ... etc.
– Tony O'Hagan
Jul 7 '18 at 1:13
If th...
How do I move to end of line in Vim?
... to generally move around in command mode, specifically, jumping to lines, etc. But what is the command to jump to the end of the line that I am currently on?
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