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2014/10/15 ¤U¤È 10:11:24
iphone Programming Glossary: minimizeUse CoreData or SQLite on iPhone? [closed] http://stackoverflow.com/questions/1318467/use-coredata-or-sqlite-on-iphone 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 users. However..
IPhone SDK Sending/Receiving Data with Server http://stackoverflow.com/questions/1448200/iphone-sdk-sending-receiving-data-with-server and what are the pros and cons iphone objective c iphone sdk 3.0 share improve this question If you want to minimize your coding you can get a quick HTTP reply from your server with a method call like this NSURL url NSURL URLWithString @..
Disabling implicit animations in -[CALayer setNeedsDisplayInRect:] http://stackoverflow.com/questions/2244147/disabling-implicit-animations-in-calayer-setneedsdisplayinrect setNeedsDisplayInRect I've got a layer with some complex drawing code in its drawInContext method. I'm trying to minimize the amount of drawing I need to do so I'm using setNeedsDisplayInRect to update just the changed parts. This is working..
iPhone Documents directory and UIFileSharingEnabled, hiding certain documents http://stackoverflow.com/questions/2942855/iphone-documents-directory-and-uifilesharingenabled-hiding-certain-documents can create their own directories in Library and those directories will be preserved in backups and across updates. To minimize the risk of name collisions we recommend that you name this directory carefully. For example a directory named Private Documents..
http://stackoverflow.com/questions/4363755/blob-data-type the filenames or an URL to the database. This will be a ton faster will use the database much more efficiently will minimize I O in that the video won't have to be broken up into the paging scheme of the database and will make management of the..
Method for animating images (like a movie) on iPhone without using MPMoviePlayer http://stackoverflow.com/questions/442076/method-for-animating-images-like-a-movie-on-iphone-without-using-mpmovieplayer CALayers containing your images could be created and stored in an NSMutableArray as needed then removed when done to minimize memory use. You can set the transition duration between frames by wrapping the replaceSublayer with method call in a CATransaction..
HTML <select> element is abbreviated in iPhone or Android browsers http://stackoverflow.com/questions/4554831/html-select-element-is-abbreviated-in-iphone-or-android-browsers iphone jquery android html jquery ui share improve this question Are you able to create groups of option s to minimize the redundant text option value 1 AccountType EUR Customer option option value 1 CH12 3456 7890 1234 5678 9 option option..
NSMutableString as retain/copy http://stackoverflow.com/questions/4995254/nsmutablestring-as-retain-copy str1 str1 copy prev release the result is clearly defined. return a copy for thread safety expected behavior and to minimize further copies when handling the result. NSString str1 locking observing etc omitted don't return something the clients..
Optimize loading of remote plist http://stackoverflow.com/questions/5016261/optimize-loading-of-remote-plist check if the remote plist has changed and if so download it. I am not sure if this will be less data and therefore minimize the load time and I'm not even sure how this would be written in code. Does anyone have an idea how I can minimize the loadtime.. minimize the load time and I'm not even sure how this would be written in code. Does anyone have an idea how I can minimize the loadtime and possibly post a code sample Right now I am using these two lines to load the plist and store it. FETCH_URL.. data void connectionDidFinishLoading NSURLConnection connection NSLog @ Connection successful. iphone load plist minimize share improve this question I understand what you mean. You will want to use NSURLConnnection instead of initWithContentsOfURL..
Play video by default in full screen http://stackoverflow.com/questions/5977330/play-video-by-default-in-full-screen CGRectMake 0 0 1024 675 moviePlayer play But requirement is that by default video should be in full screen and when I minimize it should be in above frame size. Please help me out. iphone objective c ipad share improve this question Try this...
How many maximum triangles can be drawn on ipad using opengl es in 1 frame? http://stackoverflow.com/questions/6175018/how-many-maximum-triangles-can-be-drawn-on-ipad-using-opengl-es-in-1-frame a single light source geometry stored in vertex buffer objects VBOs and vertices represented by GLshorts in order to minimize total size. The iPad 2 is significantly faster than that especially when you start doing more complex operations in your..
Syncing objects between two disparate systems, best approach? http://stackoverflow.com/questions/636675/syncing-objects-between-two-disparate-systems-best-approach the last time a sync was attempted. Otherwise no other data is stored at the moment . What algorithm would you use to minimize network chatter between the systems for syncing How would you handle deletes if soft deletes are not an option What data..
What is the best way to deal with the NSDateFormatter locale “feature”? http://stackoverflow.com/questions/6613110/what-is-the-best-way-to-deal-with-the-nsdateformatter-locale-feature first one I look at has 43 instances of this scenario. So any clever ideas for a macro overridden class whatever to minimize the effort to change everything without making the code to obscure My first instinct is to override NSDateFormatter with..
How to properly call SQLite functions from background thread on iPhone? http://stackoverflow.com/questions/745565/how-to-properly-call-sqlite-functions-from-background-thread-on-iphone app. At startup there are some database actions that I want to perform in a separate thread. I'm doing this mainly to minimize startup time. Occasionally randomly when these database calls are made from the background thread the app will crash with..
Managing Core Data iCloud Transaction Logs http://stackoverflow.com/questions/8704662/managing-core-data-icloud-transaction-logs file is always up to date. However given the above issues with transaction logs I am thinking that I should perhaps minimize saves to the database. Maybe doing so on a timed basis and or on app transition states. 3 Even if I minimize the number.. perhaps minimize saves to the database. Maybe doing so on a timed basis and or on app transition states. 3 Even if I minimize the number of transaction logs by reducing how often I save the database there seems to be an issue here as the logs will..
To ARC or not to ARC? What are the pros and cons? http://stackoverflow.com/questions/8760431/to-arc-or-not-to-arc-what-are-the-pros-and-cons ObjC code but this is at the cost of both time and space performance. This is yet another in a long list of reasons to minimize your use of ObjC . ARC will not work at all on iPhoneOS 3 or Mac OS X 10.5 or earlier. This precludes me from using ARC..
Best practices for iOS applications security http://stackoverflow.com/questions/9448632/best-practices-for-ios-applications-security store things. As Apple improves security you get the benefits for free. Avoid storing sensitive information at all and minimize the sensitivity of what you do store. Verify the services you communicate with. #2 what are best ways to reduce revenue..
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