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2014/10/15 ¤U¤È 10:16:02
iphone Programming Glossary: writesiPhone SDK - Export data to XLS (not via CSV) http://stackoverflow.com/questions/11535772/iphone-sdk-export-data-to-xls-not-via-csv to programmatically create an Excel .xls file without using any external library. It just opens a file stream and it writes XML contents straight to it. It is written in C# but the core information coming out of it is the XML formatting used to..
Read large file into sqlite table in objective-C on iPhone http://stackoverflow.com/questions/1214000/read-large-file-into-sqlite-table-in-objective-c-on-iphone the data into the database once at the beginning of the app and then later I only need to do reads of the database no writes. Can you tell me how to generate the sqlite3 database directly from the CSV file as part of the build process iphone sqlite..
How can I get a writable path on the iPhone? http://stackoverflow.com/questions/1567134/how-can-i-get-a-writable-path-on-the-iphone wiki I should not get points for this voting but it will help others find it How can I get a path into which file writes are allowed on the iPhone You can misleadingly write anywhere you like on the Simulator but on the iPhone you are only allowed..
http://stackoverflow.com/questions/2197362/converting-nsdata-to-base64
Showing login view controller before main tab bar controller http://stackoverflow.com/questions/2716755/showing-login-view-controller-before-main-tab-bar-controller controller is pressed. Why With the lvc release commented out everything seems to work but on the debugger console it writes this message when the app delegate calls addSubView for the tab bar controller Using two stage rotation animation. To use..
Is it true that one should not use NSLog() on production code? http://stackoverflow.com/questions/300673/is-it-true-that-one-should-not-use-nslog-on-production-code system by having DebugLog interact with normal Objective C objects. For instance you could have a logging class that writes to its own log file or database and includes a 'priority' argument you could set at runtime so debug messages are not shown..
How to dynamically resize UITableViewCell height http://stackoverflow.com/questions/3069339/how-to-dynamically-resize-uitableviewcell-height inside every cell. This text views can be single or multi lined and I want the cell to increase its height as the user writes and the text starts a new line. My question is do I need to reload the whole table just to increase the height of a cell..
Data Formatters temporarily unavailable, will re-try after a 'continue' http://stackoverflow.com/questions/3843903/data-formatters-temporarily-unavailable-will-re-try-after-a-continue mentions killing your app then you've run out of memory. Additionally when you run out of memory the crash reporter writes a low memory crash log with jettisoned beside the processes that were killed you should see these in the Organizer. Since..
iOS: how to change the size of the UIScrollView content? http://stackoverflow.com/questions/5464550/ios-how-to-change-the-size-of-the-uiscrollview-content viewDidLoad method I've pointed initial textfield size to be the UIScrollView content size. And when user writes too much into my text field I call delegate which is viewcontroller to change size. To do that I simply write scrollView..
Understanding @Protocols in Objective-C http://stackoverflow.com/questions/5738428/understanding-protocols-in-objective-c would want to use protocols in their programs nor does he give a concrete example with it implemented in a program. He writes You can use a protocol to define methods that you want other people who subclass your class to implement. He also says that..
How can I improve the performance of my custom OpenGL ES 2.0 depth texture generation? http://stackoverflow.com/questions/6051237/how-can-i-improve-the-performance-of-my-custom-opengl-es-2-0-depth-texture-gener shader. This will create inset squares covering area known to be opaque in a represented sphere. I then disable depth writes using glDepthMask GL_FALSE and render the square sphere impostor at a location closer to the user by one radius. This allows.. many of the pixels from the rear impostor don't waste GPU cycles by being rendered. I hadn't thought to disable depth writes yet leave on depth testing when doing the last rendering stage. This is the key to preventing the impostors from simply..
http://stackoverflow.com/questions/6495419/mkannotation-simple-example example to first understand how the whole thing works. Thanks in advance.. EDIT I set up a class Pin . In the .h it writes #import Foundation Foundation.h #import MapKit MapKit.h @interface Pin NSObject MKAnnotation CLLocationCoordinate2D coordinate..
Write Audio To Disk From IO Unit http://stackoverflow.com/questions/6930609/write-audio-to-disk-from-io-unit the extaudiofilewriteasync call from the remoteio callback to this other callback that the remoteio pulls and the file writes successfully equnits callback function static OSStatus outputCallback void inRefCon AudioUnitRenderActionFlags ioActionFlags..
Quartz 2D drawRect method (iPhone) http://stackoverflow.com/questions/716351/quartz-2d-drawrect-method-iphone is called How about offscreen rendering can you do all your drawing and then call self setNeedsDisplay to have your writes flushed to the screen Let's say that in response to a user's touch I want to put an X on the screen where he touched up...
iCloud basics and code sample [closed] http://stackoverflow.com/questions/7795629/icloud-basics-and-code-sample functions for non iCloud users I.e. functions in which I simply load a text.txt from the documents folder Apple writes Treat files in iCloud the same way you treat all other files in your app sandbox. However in my case there is no 'normal'..
What does the property “Nonatomic” mean? http://stackoverflow.com/questions/821692/what-does-the-property-nonatomic-mean for this but there is now then the @synthesize d methods use an object level lock to ensure that multiple reads writes to a property are serialized. As the Apple docs point out this doesn't mean the whole object is thread safe but the property.. are serialized. As the Apple docs point out this doesn't mean the whole object is thread safe but the property reads writes are. Of course if you implement your own accessors rather than using @synthesize I think these declarations do nothing except..
Transfer files between 2 iPhones over wifi? http://stackoverflow.com/questions/8637598/transfer-files-between-2-iphones-over-wifi completions progress and disconnections all result in a call to your delegate method. Queued non blocking reads and writes with optional timeouts. You tell it what to read or write and it handles everything for you. Queueing buffering and searching..
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