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How to count occurrences of a column value efficiently in SQL?
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263
This should work:
SELECT age, count(age)
FROM Students
GROUP by age
If you need the id...
Django: Get list of model fields?
... defined for this model. For example, phone_number = CharField(max_length=20) . Basically, I want to retrieve anything that inherits from the Field class.
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How do I reference a Django settings variable in my models.py?
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SQL (MySQL) vs NoSQL (CouchDB) [closed]
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edited Feb 20 '15 at 21:05
community wiki
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Cross-browser multi-line text overflow with ellipsis appended within a fixed width and height
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25 Answers
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What is the maximum depth of the java call stack?
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62
It depends on the amount of virtual memory allocated to the stack.
http://www.odi.ch/weblog/pos...
How to disable mouse scroll wheel scaling with Google Maps API
...Id: google.maps.MapTypeId.ROADMAP
}, options);
If you were using version 2 of the Maps API you would have had to use the disableScrollWheelZoom() API call as follows:
map.disableScrollWheelZoom();
The scrollwheel zooming is enabled by default in version 3 of the Maps API, but in version 2 it is...
$(document).click() not working correctly on iPhone. jquery [duplicate]
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Where is PHP.ini in Mac OS X Lion? Thought it was in /usr/local/php5/lib
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