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Find the day of a week

... 305 df = data.frame(date=c("2012-02-01", "2012-02-01", "2012-02-02")) df$day <- weekdays(as.Date...
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Does have to be in the of an HTML document?

... 105 style is supposed to be included only on the head of the document. Besides the validation poin...
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Rails: What's a good way to validate links (URLs)?

... 153 Validating an URL is a tricky job. It's also a very broad request. What do you want to do, exac...
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Converting 'ArrayList to 'String[]' in Java

... Floern 30.4k1515 gold badges9393 silver badges113113 bronze badges answered Oct 28 '10 at 11:34 BozhoBozho ...
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Apache: client denied by server configuration

... Phil LPhil L 6,96233 gold badges1212 silver badges55 bronze badges 9 ...
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What is the difference between instanceof and Class.isAssignableFrom(…)?

... 506 When using instanceof, you need to know the class of B at compile time. When using isAssignab...
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How to add facebook share button on my website?

... | edited Aug 15 '13 at 23:41 answered May 9 '13 at 15:04 ...
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How to remove the arrows from input[type=“number”] in Opera [duplicate]

... edited Feb 11 '19 at 12:45 Mikael Dúi Bolinder 1,88511 gold badge1313 silver badges3333 bronze badges ...
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What is the easiest/best/most correct way to iterate through the characters of a string in Java?

... 15 Answers 15 Active ...
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Git: How to rebase to a specific commit?

... 5 I like this RISC-like approach more :) Will try. Thanks. – Ondra Žižka Oct 13 '11 at 3:35 ...