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Interface vs Base class
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Let's take your example of a Dog and a Cat class, and let's illustrate using C#:
Both a dog and a cat are animals, specifically, quadruped mammals (animals are waaay too general). Let us assume that you have an abstract class Mammal, for both of them:
public abs...
Relative paths based on file location instead of current working directory [duplicate]
..._path=$( cd "$(dirname "${BASH_SOURCE[0]}")" ; pwd -P )
cd "$parent_path"
cat ../some.text
This will make your shell script work independent of where you invoke it from. Each time you run it, it will be as if you were running ./cat.sh inside dir.
Note that this script only works if you're invoki...
Is there a method for String conversion to Title Case?
... Just a small update, WordUtils is gone to Commons Text and is deprecated inside Commons Lang
– msrd0
Oct 16 '17 at 21:45
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Shell one liner to prepend to a file
... Works for me on 600K files with awk. However trying the same trick using 'cat' fails.
Passing the prependage as a variable to awk (-v TEXT="$text") overcomes the literal quotes problem which prevents doing this trick with 'sed'.
#!/bin/bash
text="Hello world
What's up?"
exec 3<> yourfile &...
Unable to copy ~/.ssh/id_rsa.pub
...t; ~/.ssh/id_rsa.pub didn't work for me (ubuntu 14.04), but you can use :
cat ~/.ssh/id_rsa.pub
to get your public key
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How can I stop redis-server?
...i shutdown. (you can send any command like this, for example redis-cli set cat dog; redis-cli get cat)
– JesseBuesking
Apr 30 '13 at 16:33
6
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Changing the selected option of an HTML Select element
...;
break;
}
}
}
<select id="sel">
<option>Cat</option>
<option>Dog</option>
<option>Fish</option>
</select>
<button id="btn">Select Fish</button>
jQuery
But if you really want to use jQuery:
var val...
Testing HTML email rendering [closed]
...ilchimp is not reliable. 7/10 times it's fine, but I've found on several occasions, the way certain clients are displayed in the Litmus results are not accurate with the same results I do on my own.
– davidcondrey
Jun 27 '14 at 5:27
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what’s the difference between Expires and Cache-Control headers?
...ed in HTTP/1.1 and offers more options than Expires. They can be used to accomplish the same thing but the data value for Expires is an HTTP date whereas Cache-Control max-age lets you specify a relative amount of time so you could specify "X hours after the page was requested".
HTML Cache contr...
Mac OS X Terminal: Map option+delete to “backward delete word”
...cOS High Sierra 10.13.6, captured on October 23, 2018.
Notes
Many applications (including bash and tcsh) treat Meta-Delete as "backward delete word."
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