2014/10/15 下午 10:04:37

iphone Programming Glossary: blobs

http://stackoverflow.com/questions/10811437/store-images-in-to-sqlite-database

was to save the image in documents directory of the app and in the db save only the path of the image. As inserting in blobs in db will make our db very very slow But how do I do this.I am unable to understand the code snippet in the links I have..

Storing large (e.g. image/movie) files in Core Data on the iPhone

http://stackoverflow.com/questions/1168954/storing-large-e-g-image-movie-files-in-core-data-on-the-iphone

files.... iphone core data share improve this question It depends. CoreData is more than capable of storing large blobs with good performance. The big gotchas are If those blobs are properties of entities that might not always be faulted in.. It depends. CoreData is more than capable of storing large blobs with good performance. The big gotchas are If those blobs are properties of entities that might not always be faulted in you need to be careful to make sure whenever you use the.. you use the entity you tell CD not to fault in properties until you ask. You can work around that by isolating the blobs in their own entities which will not get faulted until you access it through the relationship. Your persistent store is..

phonegap offline storage and compression

http://stackoverflow.com/questions/13084778/phonegap-offline-storage-and-compression

Phonegap newbie here. Scenario about my application it will need to be shipped containing some xml data 1000 xml blobs total 15MB uncompressed the user will be able to view and edit those xmls updates on the application should not overwrite..

color replacement in image for iphone application

http://stackoverflow.com/questions/15082025/color-replacement-in-image-for-iphone-application

get rid of dots of the similar color in the scene. Do i need to specify original image or thresold image CBlobResult blobs CBlobResult threshImage NULL 0 blobs.Filter blobs B_EXCLUDE CBlobGetArea B_LESS 10 4 Mask the color with cvInRangeS and.. in the scene. Do i need to specify original image or thresold image CBlobResult blobs CBlobResult threshImage NULL 0 blobs.Filter blobs B_EXCLUDE CBlobGetArea B_LESS 10 4 Mask the color with cvInRangeS and use the resulting mask to apply the new.. Do i need to specify original image or thresold image CBlobResult blobs CBlobResult threshImage NULL 0 blobs.Filter blobs B_EXCLUDE CBlobGetArea B_LESS 10 4 Mask the color with cvInRangeS and use the resulting mask to apply the new hue. Not sure..

Out-Of-Memory while doing Core Data migration

http://stackoverflow.com/questions/4479229/out-of-memory-while-doing-core-data-migration

Data migration I'm migrating a CoreData model between two versions of an application. I was storing binary data as blobs in the previous version and I want to take them out of the blobs for performance. My issue is that during the migration.. of an application. I was storing binary data as blobs in the previous version and I want to take them out of the blobs for performance. My issue is that during the migration it seems that Core Data loads everything into memory which leads.. this question I'm guessing that you have a bunch of changes you want to make in addition to pulling the data out of blobs. My suggestion is to do the migration in a few stages. I'm kind of thinking out loud here so it might be possible to improve..