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How to create default value for function argument in Clojure
...y default values.
(defn string->integer
([s] (string->integer s 10))
([s base] (Integer/parseInt s base)))
Note that assuming false and nil are both considered non-values, (if (nil? base) 10 base) could be shortened to (if base base 10), or further to (or base 10).
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MySQL Select minimum/maximum among two (or more) given values
... use LEAST and GREATEST function to achieve it.
SELECT
GREATEST(A.date0, B.date0) AS date0,
LEAST(A.date1, B.date1) AS date1
FROM A, B
WHERE B.x = A.x
Both are described here http://dev.mysql.com/doc/refman/5.0/en/comparison-operators.html
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How do I change column default value in PostgreSQL?
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answered Jan 20 '11 at 9:28
Silver LightSilver Light
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Android Quick Actions UI Pattern
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answered Sep 1 '10 at 15:00
JuriJuri
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Regular expression matching a multiline block of text
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answered Feb 25 '09 at 20:06
Alan MooreAlan Moore
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Which rows are returned when using LIMIT with OFFSET in MySQL?
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190
It will return 18 results starting on record #9 and finishing on record #26.
Start by reading t...
How do you use window.postMessage across domains?
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Here is an example that works on Chrome 5.0.375.125.
The page B (iframe content):
<html>
<head></head>
<body>
<script>
top.postMessage('hello', 'A');
</script>
</body>
</html>
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How to compare if two structs, slices or maps are equal?
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OneOfOneOneOfOne
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How to append the output to a file?
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answered Mar 17 '11 at 17:30
Mike LewisMike Lewis
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What is the `data-target` attribute in Bootstrap 3?
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answered Feb 21 '14 at 21:06
PascalmhPascalmh
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