Core data not updating

01-May-2016 17:11

Also when the device is offline the offline-created objects aren't uploaded. By Tom Dykstra and Rick Anderson The Contoso University sample web application demonstrates how to create ASP.In a multiuser environment, there are two models for updating data in a database: optimistic concurrency, and pessimistic concurrency. Pessimistic concurrency involves locking rows at the data source to prevent users from modifying data in a way that affects other users.In a pessimistic model, when a user performs an action that causes a lock to be applied, other users cannot perform actions that would conflict with the lock until the lock owner releases it.

core data not updating-89

Adult overseas dating

core data not updating-74

punta gorda dating

This is the second article for our Core Data series.Like saving data, we first grab the manage object context. If this is a context issue why are some of the object properties' changes being seen and other not?In the last tutorial, we already discussed how to fetch and save a managed object using Core Data API.

So how can you update or delete an existing managed object from database? To allow user to delete a record from the table view, as you know, we can simply implement the “can Edit Row At Index Path” and “commit Editing Style” methods.

The i OS delete methods don't remove the object from memory or the managed object context.

Choose from hundreds of online chat rooms, Joining a online chat rooms on in is simple and fun. If you're ready to start chat, you can join a Chat Rooms in just seconds.… continue reading »

Read more

The first does a relatively quick lookup to see if there are any eligible promotions for this ASIN or for this customer.… continue reading »

Read more

They ask you to: Did you know you can do an image search of your love interest’s photo in your favorite search engine?… continue reading »

Read more

It can also be performed using webcams, voice chat systems like Skype, or online games and/or virtual worlds like Second Life.… continue reading »

Read more

Comments are appreciated, with accompanying rationale, where required. … continue reading »

Read more