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Rails: update_attribute vs update_attributes
Both of these will update an object without having to explicitly tell AR to update.
11 Answers
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Chain-calling parent initialisers in python [duplicate]
Consider this - a base class A, class B inheriting from A, class C inheriting from B. What is a generic way to call a parent class initialiser in an initialiser? If this still sounds too vague, here's some code.
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Detecting a redirect in ajax request?
...unity to NOT follow the redirect (i.e., it must follow the redirect). More information can be found in this answer https://stackoverflow.com/a/2573589/965648
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Can javax.persistence.Query.getResultList() return null?
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You are right. JPA specification says nothing about it. But Java Persistence with Hibernate book, 2nd edition, says:
If the query result is empty, a null is returned
Hibernate JPA implementation (Entity Manager) return null when you call query.getResultList() w...
What is the default height of UITableViewCell?
I thought this information would have been easier to find :-)
8 Answers
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Difference between validate(), revalidate() and invalidate() in Swing GUI
Swing components have multiple methods related to updates of screen layout, in particular:
2 Answers
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XSD: What is the difference between xs:integer and xs:int?
I have started to create XSD and found in couple of examples for xs:integer and xs:int .
3 Answers
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How to disable margin-collapsing?
Is there a way to disable margin-collapsing altogether? The only solutions I've found (by the name of "uncollapsing") entail using a 1px border or 1px padding. I find this unacceptable: the extraneous pixel complicates calculations for no good reason. Is there a more reasonable way to disable thi...
How do I pull files from remote without overwriting local files?
I am trying to set up a new git repo to a pre-existing remote repo.
3 Answers
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How to get POSTed JSON in Flask?
I'm trying to build a simple API using Flask, in which I now want to read some POSTed JSON. I do the POST with the Postman Chrome extension, and the JSON I POST is simply {"text":"lalala"} . I try to read the JSON using the following method:
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