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How get integer value from a enum in Rails?

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How do I put two increment statements in a C++ 'for' loop?

... 154 A common idiom is to use the comma operator which evaluates both operands, and returns the seco...
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Stop caching for PHP 5.5.3 in MAMP

Installed MAMP on a new Macbook with PHP 5.5.3. 9 Answers 9 ...
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Enabling auto layout in iOS 6 while remaining backwards compatible with iOS 5

... to use autolayout in a project and still preserve compatibility with iOS4-5 is to create two targets: one for deployment target iOS 6.0 and one for an earlier iOS version, e.g.: You can create two versions for each of your storyboard and XIB files as well and use the autolayout enabled with the...
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Python: Select subset from list based on index set

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`elif` in list comprehension conditionals

... 259 Python's conditional expressions were designed exactly for this sort of use-case: >>> ...
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Why does (0 < 5 < 3) return true?

... Order of operations causes (0 &lt; 5 &lt; 3) to be interpreted in javascript as ((0 &lt; 5) &lt; 3) which produces (true &lt; 3) and true is counted as 1, causing it to return true. This is also why (0 &lt; 5 &lt; 1) returns false, (0 &lt; 5) returns true, wh...
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How would I get a cron job to run every 30 minutes?

... edited Sep 27 '11 at 13:45 Tim Cooper 138k3434 gold badges286286 silver badges249249 bronze badges answ...
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Multiple linear regression in Python

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return query based on date

...ate: db.gpsdatas.find({"createdAt" : { $gte : new ISODate("2012-01-12T20:15:31Z") }}); I'm using $gte (greater than or equals), because this is often used for date-only queries, where the time component is 00:00:00. If you really want to find a date that equals another date, the syntax would be ...