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Overriding id on create in ActiveRecord
Is there any way of overriding a model's id value on create? Something like:
13 Answers
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In an array of objects, fastest way to find the index of an object whose attributes match a search
I've been surfing around a little trying to find an efficient way to do this, but have gotten nowhere. I have an array of objects that looks like this:
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How to filter SQL results in a has-many-through relation
Assuming I have the tables student , club , and student_club :
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Would it be beneficial to begin using instancetype instead of id?
Clang adds a keyword instancetype that, as far as I can see, replaces id as a return type in -alloc and init .
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SQL update fields of one table from fields of another one
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The question is asking about how to do it without specifying all the column names. (And I am too.)
– cluesque
Jun 6 '12 at 16:29
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Bundle ID Suffix? What is it?
...ve a company, leave your name, it doesn't matter as long as both bundle id in info.plist file and the one you've submitted in iTunes Connect match.
In Bundle ID Suffix you should write full name of bundle ID.
Example:
Bundle ID suffix = thebestapp (NOT CORRECT!!!!)
Bundle ID suffix = com.awesom...
Using LIMIT within GROUP BY to get N results per group?
The following query:
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How to delete from select in MySQL?
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SELECT (sub)queries return result sets. So you need to use IN, not = in your WHERE clause.
Additionally, as shown in this answer you cannot modify the same table from a subquery within the same query. However, you can either SELECT then DELETE in separate queries, or nest another su...
What is a proper naming convention for MySQL FKs?
Being that they must be unique, what should I name FK's in a MySQL DB?
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What is the meaning of id?
I am (trying to) learn Objective-C and I keep coming across a phrase like:
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