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Ruby: extend self
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115
It is a convenient way to make instance methods into class methods. But you can also use it as...
ggplot2 keep unused levels barplot
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David Arenburg
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answered Apr 3 '14 at 7:52
UlrikUlrik
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Combining INSERT INTO and WITH/CTE
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edited May 24 '12 at 11:38
answered Jul 22 '10 at 5:54
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Specify multiple attribute selectors in CSS
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raina77owraina77ow
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How to loop through a HashMap in JSP?
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Community♦
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BalusCBalusC
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How can I do DNS lookups in Python, including referring to /etc/hosts?
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I'm not really sure if you want to do DNS lookups yourself or if you just want a host's ip. In...
Count with IF condition in MySQL query
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Or even SUM(ccc_news_comments.id = 'approved') as a MySQL-specific trick
– mojuba
Jan 21 '13 at 20:4...
How is performance affected by an unused using directive?
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JaredParJaredPar
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ASP.NET web.config: configSource vs. file attributes
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DdW
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answered Aug 4 '11 at 10:51
Massimiliano PelusoMass...
Do you need to close meta and link tags in HTML?
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answered Oct 22 '13 at 6:11
Jukka K. KorpelaJukka K. Korpela
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