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Property data updating

Core Data has had a polarizing effect within the development community.You’d be hard pressed to meet a Cocoa developer who is completely ambivalent to the topic. I believe that Apple has made significant improvements to the framework each year.This year was no exception, as two highly specialized APIs were introduced., while somewhat esoteric, were introduced to combat specific issues developers encounter with the framework.

Iterating these steps across thousands of objects leads to long wait times for the user, as well as increased memory and CPU load on the device.

The allows you to go directly to the store and modify your records in a manner similar to traditional databases, rather than with an object graph.

Creating a batch request starts off the same way it does with a standard fetch request.

An entity name must be supplied to indicate the type of objects being fetched. Using Mark Dalrymple’s trusty BNRTime Block, we can see that a batch update on 250,000 objects takes just over one second, while an update that involves iterating over each item takes around 16 seconds for the same number of objects.

(Note: All tests were run using XCode 6 Beta 7, along with the i Phone 5s Simulator on a late-2013 Mac Book Pro.) In additon to speed considerations, memory usage on the batch update side is significantly lower.

434 comments

  1. An object of key-value pairs of data to update. for setting data on XML documents, as Internet Explorer does not allow data to be attached via expando properties. undefined is not recognized as a data value. parseJSON is used to parse the string; it must follow valid JSON syntax including quoted property names.

  2. Jun 30, 2017. Binding template syntax. As you probably know Angular provides template syntax for property bindings —. This syntax is generic so it can be applied for both child components and native DOM elements. So if you want to pass some data to the child b-comp and span from the parent A component you do it.

  3. It appears like you're referring to the updates datamodel - the signature and status fields should be eval'd so that they always have a value - if nothing is in the source data it will be "unknown". What version of the CIM are you using? Have you modified the datamodel at all? The base constraint for the.

  4. Text search index creation is the process of defining the properties of a text index. After you create a text search index, you must update it by adding data from the table that it is associated with. You can also alter some properties of the text search index later, such as the UPDATE FREQUENCY or UPDATE MINIMUM.

  5. Used in the request body. The list of options for enumerated properties. NOTE If you're including this field, it will OVERWRITE the existing options. There is not a way to just append or remove a single option, so you'll need to include all of the options you want to keep when updating a property. Optional JSON data, Used in.

  6. NOTE If you're including this field, it will OVERWRITE the existing options. There is not a way to just append or remove a single option, so you'll need to include all of the options you want to keep when updating a property. Optional JSON data, Used in the request body. See the documentation for creating a contact for more.

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