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Adding Core Data to existing iPhone project
...etchedResultsController, managedObjectContext;
After all of that you can now use this managedObjectContext to run all the usual fetchRequests needed for CoreData goodness! Enjoy
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Mounting multiple volumes on a docker container?
I know I can mount a directory in my host on my container using something like
5 Answers
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Possible to change where Android Virtual Devices are saved?
...thing to be consolidated. Obviously not a huge deal but does anyone here know a workaround for this?
21 Answers
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Where does the “flatmap that s***” idiomatic expression in Scala come from?
... operation, so it cannot be as widely applied. Also, it requires too much knowledge about the data you are manipulating.
Note: previously I said matching was slower than flatMap -- the opposite is true as a matter of fact, up to the most recent version of Scala at the time of this writing, 2.10.1.)...
How to create a custom string representation for a class object?
...ite right. It is, however, from the Python 2 generation. An update for the now-current Python 3 would be:
class MC(type):
def __repr__(self):
return 'Wahaha!'
class C(object, metaclass=MC):
pass
print(C)
If you want code that runs across both Python 2 and Python 3, the six module h...
Can I find out the return value before returning while debugging in Intellij?
...ere is a much better way. See answer from Birchlabs for details. It should now be the accepted answer.
– Mikezx6r
Nov 4 '19 at 13:15
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Make column not nullable in a Laravel migration
...'m writing a migration to make certain columns in a table nullable right now. For the down function, I of course want to make those columns not nullable again. I looked through the schema builder docs , but couldn't see a way to do this.
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Go Unpacking Array As Arguments
... []int{2,4}
sum := my_func(arr...)
fmt.Println("Sum is ", sum)
}
Now you can sum as many things as you'd like. Notice the important ... after when you call the my_func function.
Running example: http://ideone.com/8htWfx
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C char array initialization
...har buf[10];
declares and defines the array. The array identifier buf is now an address in memory, and you cannot change where buf points through assignment. So
buf = // anything on RHS
is illegal. Your second and third code fragments are illegal for this reason.
To initialize an array, y...
Record file copy operation with Git
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@allyourcode: I'm sorry, I haven't noticed this. Fixed now, thanks.
– Jakub Narębski
Jul 26 '10 at 7:15
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