2014/10/15 下午 10:08:57

iphone Programming Glossary: fetches

NSURLRequest : Post data and read the posted page

http://stackoverflow.com/questions/10300353/nsurlrequest-post-data-and-read-the-posted-page

with the __block qualifiers allows you to specify error return code at the point you declare it useful for one off fetches. Without further ado here's a quick and dirty url encoder NSData encodeDictionary NSDictionary dictionary NSMutableArray..

Need content in UIWebView to display quickly

http://stackoverflow.com/questions/1246420/need-content-in-uiwebview-to-display-quickly

pause happens when the UIWebView tries to fetch these resources and the web page only appears after all these other fetches have timed out. My questions is how can I make UIWebView just display the stuff I've cached immediately Here are my thoughts..

What's the difference between KERN_INVALID_ADDRESS and KERN_PROTECTION_FAILURE?

http://stackoverflow.com/questions/1282428/whats-the-difference-between-kern-invalid-address-and-kern-protection-failure

Because your data access here is aligned for a 64 bit value 8 it must be trying to execute an instruction that fetches a 128 bit value such as compare and exchange instruction CMPXCHG16B . In any case you can see from the example here that..

Use CoreData or SQLite on iPhone? [closed]

http://stackoverflow.com/questions/1318467/use-coredata-or-sqlite-on-iphone

cases you can beat the performance of hand tuned SQLite using Core Data. On the iPhone it does a great job of batching fetches to minimize memory usage. The one downside as pointed out is that this limits you by requiring iPhone OS 3.0 for your end..

core data: [NSFetchedResultsController -fetchedObjects], will this method reflect object change?

http://stackoverflow.com/questions/13391934/core-data-nsfetchedresultscontroller-fetchedobjects-will-this-method-reflec

will this method reflect object change first I create a NSFetchedResultsController with a NSFetchRequest that fetches all object of entity Entity . and then I insert an new NSManagedObject A which is an instance of Entity and Edit B which..

Core Data: does a fetch have to make a trip to persistent store?

http://stackoverflow.com/questions/13833529/core-data-does-a-fetch-have-to-make-a-trip-to-persistent-store

#do some work with the obj# Does the fetch in the loop incur a trip to the persistent store every time Or those fetches will only be performed in coredata's row cache EDIT I've written a fragment of testing code You need to create a core data..

MPMoviePlayerController & .m3u8 playlist

http://stackoverflow.com/questions/1665151/mpmovieplayercontroller-m3u8-playlist

doesn't contain an #EXT X ENDLIST directive then the client assumes the source is a live stream and periodically re fetches the .m3u8 to find new media files to download. The .ts files are MPEG 2 trasnsport stream files that contain muxed audio..

Wipe all data stored with CoreData when the model has changed

http://stackoverflow.com/questions/1778430/wipe-all-data-stored-with-coredata-when-the-model-has-changed

all data stored with CoreData when the model has changed I have an app that fetches data from the internet and uses CoreData to store them in the device for a smoother experience. Because I use Core Data..

Core Data pattern: how to efficiently update local info with changes from network?

http://stackoverflow.com/questions/2209228/core-data-pattern-how-to-efficiently-update-local-info-with-changes-from-networ

on a 3GS device but if you add 100 of these up you just got a 700ms blocker. In my code I'm using a helper to do these fetches MyObject myObjectById NSNumber myObjectId NSFetchRequest fetchRequest NSFetchRequest alloc init fetchRequest setEntity self..

Which conditional compile to use to switch between Mac and iPhone specific code?

http://stackoverflow.com/questions/3181321/which-conditional-compile-to-use-to-switch-between-mac-and-iphone-specific-code

#include Cocoa Cocoa.h into the precompile headers for the two projects. I'm sharing models and some utility code that fetches data from RSS feeds and Evernote. In particular the NSData dataWithContentsOfURL options error function takes a different..

Using an NSFetchedResultsController without a UITableViewController

http://stackoverflow.com/questions/3277415/using-an-nsfetchedresultscontroller-without-a-uitableviewcontroller

Generic approach to NSManagedObjectContext in multi-threaded application

http://stackoverflow.com/questions/3474960/generic-approach-to-nsmanagedobjectcontext-in-multi-threaded-application

with this approach Also I'm using this from within the context of an asynchronous request using ASIHTTPRequest which fetches some data from a server and updates and inserts the store on the iPhone. It seems NSThreadWillExitNotification doesn't fire..

Getting an NSInvalidArguementException error

http://stackoverflow.com/questions/5815549/getting-an-nsinvalidarguementexception-error

Data information. You should have only one context reference and one fetch for each tableview. You have at least two fetches operating at the same time and two context references. You need to pick one or the other. If you are using a fetched results..

I need help restructuring my method with better logic

http://stackoverflow.com/questions/6163490/i-need-help-restructuring-my-method-with-better-logic

when the user presses the done button for that date and if the date doesn't already exist. If it already exists it fetches that object with that timeStamp date. The problem is this creates a new object of Session even if the user does not enter..

How to detect “IAP crackers”?

http://stackoverflow.com/questions/7465713/how-to-detect-iap-crackers

code so that when it sees a transaction processed it sends the details of that transaction to your web server and fetches back the unique key needed in step 1. Write a simple script on your web server that takes the transaction details verifies..

Need some help understanding transient properties in Core Data

http://stackoverflow.com/questions/7504391/need-some-help-understanding-transient-properties-in-core-data

property only has a value when the managed object is fully instantiated and loaded. This means that when you do any fetches which operate solely in the persistent store the tangent properties will have no values. In your case you want to use a..

Which weather data web services do you know?

http://stackoverflow.com/questions/8446360/which-weather-data-web-services-do-you-know

Aeris API. appears very expensive and limited in terms of requests per minute etc. PyMETAR is a python based API that fetches and decodes METAR text based aviation weather reports. I enjoy using it for my projects. METARs give temperature dew point..