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Add unique constraint to combination of two columns
...raint and Unique Index? Because when you set Unique Constraint, it has 900 Bytes limitation but It looks like Unique Index doesnt have.
– batmaci
Dec 14 '16 at 14:16
2
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jQuery Validate - require at least one field in a group to be filled
...a patch that doesn't suffer from the issues the current version does (whereby the "required" option stops working properly on other fields, a discussion of the problems with the current version is on github.
Example at http://jsfiddle.net/f887W/10/
jQuery.validator.addMethod("require_from_group", ...
What exactly is RESTful programming?
...equests.
This is taken from the excellent book Core JavaServer faces book by David M. Geary.
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Rails 4 - Strong Parameters - Nested Objects
...sted object within an array. In your case it would be
Update as suggested by @RafaelOliveira
params.require(:measurement)
.permit(:name, :groundtruth => [:type, :coordinates => []])
On the other hand if you want nested of multiple objects then you wrap it inside a hash… like this
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Is there any kind of hash code function in JavaScript?
... avoid writing a toString() equivalent of equals() or hashCode() on a case by case basis.
– sethro
Jan 23 '14 at 18:07
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MongoDB with redis
... of MongoDB for main persistent data, and from the extra features provided by Redis (low latency, item expiration, queues, pub/sub, atomic blocks, etc ...). It is indeed a good combination.
Please note you should never run a Redis and MongoDB server on the same machine. MongoDB memory is designed t...
Can you create nested WITH clauses for Common Table Expressions?
...yWide AS ehw ON ehw.ManagerID = p.EmployeeID
)
SELECT * FROM paths order by FullPath
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convert ArrayList to JSONArray
...from SOF. Copy paste, and everything works. Wonder when I will be replaced by a robot that does exactly the same...
– Subin Sebastian
Oct 20 '15 at 10:04
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Why is this jQuery click function not working?
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I found the best solution for this problem by using ON with $(document).
$(document).on('click', '#yourid', function() { alert("hello"); });
for id start with see below:
$(document).on('click', 'div[id^="start"]', function() {
alert ('hello'); });
finally after...
How can I get the full/absolute URL (with domain) in Django?
... method on request, pass it the relative url and it'll give you full one.
By default, the absolute URL for request.get_full_path() is returned, but you can pass it a relative URL as the first argument to convert it to an absolute URL.
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