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How get integer value from a enum in Rails?
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142
You can get the integer values for an enum from the class the enum is on:
Model.sale_infos # ...
How do I close an open port from the terminal on the Mac?
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How to stop app that node.js express 'npm start'
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What is the difference between trie and radix trie data structures?
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121
A radix tree is a compressed version of a trie. In a trie, on each edge you write a single let...
Adding console.log to every function automatically
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edited Jul 15 '13 at 19:54
answered Feb 17 '11 at 21:06
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Checking user's homepage in Internet Explorer
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answered Apr 4 '13 at 14:49
T.J. CrowderT.J. Crowder
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assign multiple variables to the same value in Javascript
...n = touchDown = false;
Check this example
var a, b, c;
a = b = c = 10;
console.log(a + b + c)
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mongodb group values by multiple fields
...dr",
"book": "$book"
},
"bookCount": { "$sum": 1 }
}},
{ "$group": {
"_id": "$_id.addr",
"books": {
"$push": {
"book": "$_id.book",
"count": "$bookCount"
},
},
"count": { "$s...