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Calling a Method From a String With the Method's Name in Ruby
... module function
FileUtils.send('pwd')
# or
FileUtils.public_send(:pwd)
and a locally defined method
def load()
puts "load() function was executed."
end
send('load')
# or
public_send('load')
Documentation:
Object#public_send
Object#send
...
How can I kill a process by name instead of PID?
...
pkill -U <username> is quite handy. I have a Solaris web server, the actual web server daemon, is setup as a Service with it's own user. So specifying by user is a simple / easy way to trigger a restart.
– Raystorm
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What is tail recursion?
...cursion, the typical model is that you perform your recursive calls first, and then you take the return value of the recursive call and calculate the result. In this manner, you don't get the result of your calculation until you have returned from every recursive call.
In tail recursion, you perfor...
Alternative timestamping services for Authenticode
We perform code signing and timestamping for all our production builds. Occasionally (usually when we are about to RTM (!)) the timestamp server at Verisign (" http://timestamp.verisign.com/scripts/timstamp.dll ") decides to go offline intermittently.
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What are the benefits of using C# vs F# or F# vs C#? [closed]
... than product shipment. I just got asked what's the difference between C# and F#, why did MS create F# and what scenarios would it be better than C#.
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Using String Format to show decimal up to 2 places or simple integer
...that price , for instance if its 100 so it should only show 100 not 100.00 and if the price is 100.2 it should display 100.20 similarly for 100.22 should be same .
I googled and came across some examples but they didn't match exactly what i wanted :
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Jquery UI tooltip does not support html content
Today, I upgraded all of my jQuery plugs-in with jQuery 1.9.1. And I started to use jQueryUI tooltip with jquery.ui.1.10.2. Everything was good. But when I used HTML tags in the content (in the title attribute of the element I was applying the tooltip to), I noticed that HTML is not supported.
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Process.start: how to get the output?
I would like to run an external command line program from my Mono/.NET app.
For example, I would like to run mencoder . Is it possible:
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How to rsync only a specific list of files?
...'re looking for a specific list of files, putting them directly on the command line instead:
# rsync -avP -e ssh `cat deploy/rsync_include.txt` root@0.0.0.0:/var/www/
This is assuming, however, that your list isn't so long that the command line length will be a problem and that the rsync_include....
What is the best way to ensure only one instance of a Bash script is running? [duplicate]
... a lockfile approach. If you acquire the lock, proceed else show a message and exit.
As an example:
[Terminal #1] $ lockfile -r 0 /tmp/the.lock
[Terminal #1] $
[Terminal #2] $ lockfile -r 0 /tmp/the.lock
[Terminal #2] lockfile: Sorry, giving up on "/tmp/the.lock"
[Terminal #1] $ rm -f /tmp/the....