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Class does not implement its superclass's required members

... init(coder: NSCoder) { fatalError("NSCoding not supported") } If you know you don't want to be NSCoding compliant, this is an option. I've taken this approach with a lot of my SpriteKit code, as I know I won't be loading it from a storyboard. Another option you can take which works rather we...
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Finding median of list in Python

... What if you want to find median of a sorted array. So you cannot use built in function statistics.median because it will slow down while sorting again – GilbertS Feb 22 at 16:44 ...
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Does Java 8 provide a good way to repeat a value or function?

...ized, so the elements don't actually all exist in memory, and the size is known up front. This should make for a fast and easily parallelizable spliterator. But it surprisingly didn't do very well. Perhaps the reason is that range has to compute a value for each element of the range and then call a ...
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Android Notification Sound

I've used the newer NotificationCompat builder and I can't get the notification to make a sound. It will vibrate and flash the light. The android documentation says to set a style which I've done with: ...
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How to deal with INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES without uninstall?

... copy of your application (on your development machine) was signed with a different signing key than the old copy of your application (installed on the device/emulator). For example, if this is a device, you might have put the old copy on from a different development machine (e.g., some other develo...
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How do you write a migration to rename an ActiveRecord model and its table in Rails?

...y. Edit: In Rails 3.1 & 4, ActiveRecord::Migration::CommandRecorder knows how to reverse rename_table migrations, so you can do this: class RenameOldTableToNewTable < ActiveRecord::Migration def change rename_table :old_table_name, :new_table_name end end (You still have to go t...
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Recent file history in Vim?

... If you want to use 0-9 as marks for navigation,do not mark them manually – yuan Feb 1 '13 at 7:22 19 ...
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Why does pylint object to single character variable names?

...n [customer_address for customer_address in thing.get_customer_addresses() if customer_address.is_proper()] vs return [a for a in thing.get_customer_addresses() if a.is_proper()] I claim the latter is more clear, as a is obvious from the context. In general, variable length should correlate ...
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Spring Data JPA find by embedded object property

...ies with a property of an embedded object in that entity. Does anyone know if this is possible, and if so how? 4 Answers ...
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Where does Oracle SQL Developer store connections?

... Thanks! It would be interesting to know what these Oracle people are thinking when they come up with a path like that! – Jeff Roe May 6 '14 at 23:40 ...