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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...
How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
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10 Answers
10
Active
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MySQL table is marked as crashed and last (automatic?) repair failed
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261
If your MySQL process is running, stop it. On Debian:
sudo service mysql stop
Go to your data...
What steps should I take to protect my Google Maps API Key?
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answered Sep 1 '09 at 22:04
Pascal MARTINPascal MARTIN
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Call a “local” function within module.exports from another function in module.exports?
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edited Dec 15 '19 at 3:46
Let Me Tink About It
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Convert string date to timestamp in Python
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14 Answers
14
Active
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How to filter (key, value) with ng-repeat in AngularJs?
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131
Angular filters can only be applied to arrays and not objects, from angular's API -
"Selec...
How do I stop a web page from scrolling to the top when a link is clicked that triggers JavaScript?
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15 Answers
15
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XDocument.ToString() drops XML Encoding Tag
...st
{
static void Main()
{
string xml = @"<?xml version='1.0' encoding='utf-8'?>
<Cooperations>
<Cooperation />
</Cooperations>";
XDocument doc = XDocument.Parse(xml);
StringBuilder builder = new StringBuilder();
using (TextWriter wri...