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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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How can you represent inheritance in a database?

... 443 @Bill Karwin describes three inheritance models in his SQL Antipatterns book, when proposing sol...
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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...
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Shadow Effect for a Text in Android? [duplicate]

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what is the difference between a portlet and a servlet?

... answered Sep 26 '09 at 6:13 topcheftopchef 16.3k77 gold badges5757 silver badges9898 bronze badges ...
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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?

... 234 Action doNothing = () => { }; ...
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Is there a difference between PhoneGap and Cordova commands?

... 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...
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Should have subtitle controller already set Mediaplayer error Android

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Is there an expression for an infinite generator?

... 134 for x in iter(int, 1): pass Two-argument iter = zero-argument callable + sentinel value int(...