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Read a text file using Node.js?
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176
You'll want to use the process.argv array to access the command-line arguments to get the file...
Javascript Object push() function
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133
push() is for arrays, not objects, so use the right data structure.
var data = [];
// ...
dat...
How to show loading spinner in jQuery?
... functions will fire whenever you do any Ajax calls.
Update: As of jQuery 1.8, the documentation states that .ajaxStart/Stop should only be attached to document. This would transform the above snippet to:
var $loading = $('#loadingDiv').hide();
$(document)
.ajaxStart(function () {
$loading.s...
Environment variables in Mac OS X
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143
There's no need for duplication. You can set environment variables used by launchd (and child ...
Randomize a List
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1169
Shuffle any (I)List with an extension method based on the Fisher-Yates shuffle:
private stat...
JQuery .on() method with multiple event handlers to one selector
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edited Jan 25 '13 at 21:17
answered Dec 22 '11 at 18:18
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How do I convert a float number to a whole number in JavaScript?
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15 Answers
15
Active
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How to round an average to 2 decimal places in PostgreSQL?
...ision is only available for numeric.
regress=> SELECT round( float8 '3.1415927', 2 );
ERROR: function round(double precision, integer) does not exist
regress=> \df *round*
List of functions
Schema | Name | Result data type | Argument data types | Type
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Postgresql GROUP_CONCAT equivalent?
...starting point (version 8.4+ only):
SELECT id_field, array_agg(value_field1), array_agg(value_field2)
FROM data_table
GROUP BY id_field
array_agg returns an array, but you can CAST that to text and edit as needed (see clarifications, below).
Prior to version 8.4, you have to define it yourself p...