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Add a reference column migration in Rails 4
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Rails 4...
Can I concatenate multiple MySQL rows into one field?
...es_hobbies
GROUP BY person_id;
As Dag stated in his comment, there is a 1024 byte limit on the result. To solve this, run this query before your query:
SET group_concat_max_len = 2048;
Of course, you can change 2048 according to your needs. To calculate and assign the value:
SET group_concat_max_l...
How to get instance variables in Python?
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answered Sep 20 '08 at 19:34
cnucnu
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Build Android Studio app via command line
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Why do we need RESTful Web Services?
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edited Sep 2 '09 at 18:31
answered Sep 2 '09 at 15:18
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SQL Server Restore Error - Access is Denied
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I have just had this issue with SQL Server 2012.
It turns out all I had to do was tick the box marked 'Relocate all files to folder' on the 'Files' section:
(Click to see image full size)
This of course assumes you have the correct version of SQL Server installed...
What Makes a Good Unit Test? [closed]
.... it will take longer to figure out which change was the culprit.
Update 2010-08:
Readable : This can be considered part of Professional - however it can't be stressed enough. An acid test would be to find someone who isn't part of your team and asking him/her to figure out the behavior under te...
Eclipse syntax highlighting preferences save and restore
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I finally figured out how to do this.
I just wanted to mention beforehand that I did try to sta...
Entity Framework Migrations renaming tables and columns
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edited Dec 19 '17 at 21:19
answered Nov 8 '12 at 20:27
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