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How do I temporarily disable triggers in PostgreSQL?
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It is also handy that this command doesn't disable constraint triggers
– bartolo-otrit
Jan 30 '15 at 11:18
2
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What is the difference between a .xib file and a .storyboard?
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In that case, I believe the NavigationControllers would come into play?
– Sagar Hatekar
Jun 15 '12 at 2:58
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SET versus SELECT when assigning variables?
...iable to null prior to the select. Once you factor that in, how do the two compare for performance? (Side note: I don't understand the rationale for select not setting your variable to null in the event a query returns null. When would you ever want that?)
– youcantryreachingme...
How to commit no change and new message?
How can I make a new commit and create a new message if no changes are made to files?
5 Answers
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Do I set properties to nil in dealloc when using ARC?
...g [obj setDelegate:nil]). The note about doing this on classes that aren't compiled with ARC is a nod towards weak properties. If the class explicitly marks its delegate property as weak then you don't have to do this, because the nature of weak properties means it'll get nilled out for you. However...
C++ Exceptions questions on rethrow of original exception
...n anew (at a different "magical location" 0x98e70b0 -- because for all the compiler knows err could be an object on the stack about to be unwinded, like e was at 0xbfbce430, not in the "magical location" at 0x98e7058), so you will lose derived-class-specific data during the copy-construction of a ba...
Creating and Update Laravel Eloquent
...to be updateOrInsert(array $attributes, array $values = []) in 5.5: github.com/laravel/framework/blob/5.5/src/Illuminate/Database/…
– user1204214
Jun 23 '18 at 20:56
add a c...
Convert Linq Query Result to Dictionary
...eck" before adding the rows to know if I must add, replace or ignore the incomming rows.
I'd like to keep the trafic between the client and the DB server as low as possible and minimize the number of queries.
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PostgreSQL naming conventions
... written in stone, but the bit about identifiers in lower case is highly recommended, IMO. Postgresql treats identifiers case insensitively when not quoted (it actually folds them to lowercase internally), and case sensitively when quoted; many people are not aware of this idiosyncrasy. Using always...