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Using LIMIT within GROUP BY to get N results per group?
The following query:
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MongoDb query condition on comparing 2 fields
I have a collection T , with 2 fields: Grade1 and Grade2 , and I want to select those with condition Grade1 > Grade2 , how can I get a query like in MySQL?
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Encode html entities in javascript
...e nnn is the unicode value we get from charCodeAt.
See it in action here: http://jsfiddle.net/E3EqX/13/ (this example uses jQuery for element selectors used in the example. The base code itself, above, does not use jQuery)
Making these conversions does not solve all the problems -- make sure you'r...
Trigger 404 in Spring-MVC controller?
...ception declared with @ResponseStatus annotation:
@ResponseStatus(value = HttpStatus.NOT_FOUND)
public class ResourceNotFoundException extends RuntimeException {
...
}
@Controller
public class SomeController {
@RequestMapping.....
public void handleCall() {
if (isFound()) {
...
fastest MD5 Implementation in JavaScript
...ntation. It's a good read for anyone interested in performant javascript.
http://www.webreference.com/programming/javascript/jkm3/
His MD5 implementation can be found here
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A migration to add unique constraint to a combination of columns
...ship.create!(user_id: user_id, post_id: post_id)
Fully runnable example: https://gist.github.com/Dorian/9d641ca78dad8eb64736173614d97ced
db/schema.rb generated: https://gist.github.com/Dorian/a8449287fa62b88463f48da986c1744a
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Passing variables in remote ssh command
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setTimeout / clearTimeout problems
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Plotting a list of (x, y) coordinates in python matplotlib
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COUNT DISTINCT with CONDITIONS
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