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How can I get the intersection, union, and subset of arrays in Ruby?
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318
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How do I revert master branch to a tag in git?
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For reference, to revert to the previous commit, you can do a git reset --hard HEAD^
– Geoff
Sep 6 '13 at 2:57
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Postgresql query between date ranges
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With dates (and times) many things become simpler if you use >= start AND < end.
For example:
SELECT
user_id
FROM
user_logs
WHERE
login_date >= '2014-02-01'
AND login_date < '2014-03-01'
In this case you still need to calculate the s...
Is there a case insensitive jQuery :contains selector?
...selector or should I do the work manually by looping over all elements and comparing their .text() to my string?
12 Answers...
How can I know which radio button is selected via jQuery?
...hecked', '#myForm').val());
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form id="myForm">
<input type="radio" name="radioName" value="1" /> 1 <br />
<input type="radio" name="radioName" value="2" /> 2 <...
How do I unset an element in an array in javascript?
... to learn. As always, an edit is a 1,000,000 times better than an off-hand comment; you should know that with the amount of rep you have.
– going
Dec 26 '11 at 9:28
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Haskell error parse error on input `='
....upenn.edu/~cis194/lectures/01-intro.html . Yet it is the first tutorial recommended on the haskell website!
– cammil
Aug 21 '15 at 9:28
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How to get CSS to select ID that begins with a string (not in Javascript)?
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61
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jQuery: select an element's class and id at the same time?
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44
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What does a b prefix before a python string mean?
...h u prefix in 2.x). In Python 2.6+ it is equivalent to a plain string, for compatibility with 3.x.
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