How long does nsuserdefaults last

Property lists can only accept certain types of variables, so NSUserDefaults has that limitation. You can store these types of variables:. Other items that conform to the NSCoding protocol can be archived as NSData, so you can store them in property lists if necessary. What you can do is store an NSDate object. Then every time the application is launched or more often check if the time difference between then and now is 7 days. This value should be equal to your application's bundle identifier.

Looks like you have a query that is taking longer than it should. From your stack trace and your code you should be able to determine exactly what query that is. A deadlock can be difficult to fix, but it's easy to determine whether that is the case. Connect to your database with Sql Server Management Studio.

In the left pane right-click on the server node and select Activity Monitor. Take a look at the running processes. Normally most will be idle or running. When the problem occurs you can identify any blocked process by the process state. Note: for now we support only Bool , Double , Int , String values, but if you have any other requests for that feature, please open an issue or PR and we can talk about implementing it in new versions.

If you're sharing your user defaults between different apps or an app and its extensions, you can use SwiftyUserDefaults by overriding the Defaults shortcut with your own. Just add in your app:. You might also be interested in my blog posts which explain the design process behind those libraries:.

If you have comments, complaints or ideas for improvements, feel free to open an issue or a pull request.

Skip to content. Star 4. MIT License. Branches Tags. Could not load branches. Could not load tags. Latest commit. Git stats commits. Failed to load latest commit information. Oct 3, Add paragraph to migration guide for the Defaults[key: key] syntax ch…. Sep 27, Rename OptionalType. Feb 24, Oct 19, Add tests for simultaneous access crash. Add a comment. Active Oldest Votes. At every launch of your app.. If the interval is more than 7 days you will have to do math calculation to get the result then set the object as nil using [defaults setNilforKey: ];.

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