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How to properly reuse connection to Mongodb across NodeJs application and modules
...ent = require( 'mongodb' ).MongoClient;
const url = "mongodb://localhost:27017";
var _db;
module.exports = {
connectToServer: function( callback ) {
MongoClient.connect( url, { useNewUrlParser: true }, function( err, client ) {
_db = client.db('test_db');
return callback( err ...
Why does this async action hang?
...
150
Yep, that's a deadlock all right. And a common mistake with the TPL, so don't feel bad.
When yo...
Conventions for exceptions or error codes
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answered Oct 31 '08 at 13:03
Tom DunhamTom Dunham
5,27922 gold badges2828 silver badges2424 bronze badges
...
RESTful URL design for search
...|
edited Feb 14 '13 at 13:06
Gaz_Edge
12.1k55 gold badges4848 silver badges8989 bronze badges
answered J...
Multiple returns from a function
... return array($var1, $var2);
}
return $var1;
}
echo wtf("both")[0]
//would echo: ONe
echo wtf("both")[1]
//would echo: tWo
list($first, $second) = wtf("both")
// value of $first would be $var1, value of $second would be $var2
...
What does LayoutInflater in Android do?
...rmaybenot
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answered Aug 13 '10 at 14:11
MacarseMacarse
85.2k4242 gold...
Go build: “Cannot find package” (even though GOPATH is set)
...t silly.
– josiah
Sep 15 '15 at 18:10
3
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module.exports vs exports in Node.js
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edited Jun 20 at 9:12
Community♦
111 silver badge
answered Aug 22 '11 at 3:38
...
What is Scala's yield?
...
206
It is used in sequence comprehensions (like Python's list-comprehensions and generators, where ...
What is the standard Python docstring format? [closed]
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1078
Formats
Python docstrings can be written following several formats as the other posts showed....