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Difference between single and double quotes in Bash
... echo '$(echo "upg")'
$(echo "upg")
The Bash manual has this to say:
3.1.2.2 Single Quotes
Enclosing characters in single quotes (') preserves the literal value of each character within the quotes. A single quote may not occur between single quotes, even when preceded by a backslash.
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Is there an expression for an infinite generator?
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for x in iter(int, 1): pass
Two-argument iter = zero-argument callable + sentinel value
int(...
bs4.FeatureNotFound: Couldn't find a tree builder with the features you requested: lxml. Do you need
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How can you represent inheritance in a database?
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@Bill Karwin describes three inheritance models in his SQL Antipatterns book, when proposing sol...
Having links relative to root?
...t was necessary for to use a specific base, for this I'll simply cite the W3's example:
For example, given the following BASE declaration and A declaration:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<HTML>
<HEAD>
<TIT...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
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Is there a way to specify an “empty” C# lambda expression?
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Action doNothing = () => { };
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Is there a difference between PhoneGap and Cordova commands?
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http://phonegap.com/blog/2012/03/19/phonegap-cordova-and-whate28099s-in-a-name/
I think this url explains what you need.
Phonegap is built on Apache Cordova nothing else. You can think of Apache Cordova as the engine that powers PhoneGap. Over time, the P...
Should have subtitle controller already set Mediaplayer error Android
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How to remove duplicate values from an array in PHP
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Use array_unique().
Example:
$array = array(1, 2, 2, 3);
$array = array_unique($array); // Array is now (1, 2, 3)
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