¡@
2014/10/15 ¤U¤È 10:12:53
iphone Programming Glossary: primitiveiPhone - Why does the documentation say UIImageView is NSCoding compliant? http://stackoverflow.com/questions/1072700/iphone-why-does-the-documentation-say-uiimageview-is-nscoding-compliant The documentation is misleading UIImage does not conform to NSCoding as you've stated. You can work around it in a primitive way by doing the work yourself @interface UIImage NSCoding id initWithCoder NSCoder decoder void encodeWithCoder NSCoder..
What's the difference between NSNumber and NSInteger? http://stackoverflow.com/questions/1285098/whats-the-difference-between-nsnumber-and-nsinteger the difference between NSNumber and NSInteger What's the difference between NSNumber and NSInteger Are there more primitives like these that I should know about use Is there one for floats iphone objective c nsnumber primitive types nsinteger.. Are there more primitives like these that I should know about use Is there one for floats iphone objective c nsnumber primitive types nsinteger share improve this question The existing answers are useful adding to them Yes NSUInteger gives twice.. This paragraph is all educated speculation. Also just to be clear about why you might use NSInteger etc instead of primitive types Because this way it's easier to write portable code that takes full advantage of the machine architecture. For example..
How to change the name of an iOS app? http://stackoverflow.com/questions/238980/how-to-change-the-name-of-an-ios-app launch giving me a Launcher error. I guess I could make a new project and copy paste everything over but it seems so primitive that I'm hoping for a more civilized solution. iphone ios xcode share improve this question Go to Targets in Xcode..
http://stackoverflow.com/questions/4089238/implementing-nscopying are a subclass of NSObject that supports copying you can call thatObject copyWithZone zone for the new object. For primitive types int char BOOL and friends just set the variables to be equal. So for your obejct Vendor it ™d look like this id copyWithZone..
How do you trigger a block after a delay, like -performSelector:withObject:afterDelay:? http://stackoverflow.com/questions/4139219/how-do-you-trigger-a-block-after-a-delay-like-performselectorwithobjectafter do you trigger a block after a delay like performSelector withObject afterDelay Is there a way to call a block with a primitive parameter after a delay like using performSelector withObject afterDelay but with an argument like int double float iphone..
Send and receive NSData via GameKit http://stackoverflow.com/questions/4837102/send-and-receive-nsdata-via-gamekit I feel compelled to say that when you find yourself doing something like this that boils down to implementing a primitive TCP stack it's usually time to stop yourself and ask if there aren't better ways to do this. Put differently if GameKit..
Using performSelector:withObject:afterDelay: with non-object parameters http://stackoverflow.com/questions/5210733/using-performselectorwithobjectafterdelay-with-non-object-parameters withObject afterDelay but pSwOaD only accepts one parameter the second parameter to setEditing animated is a primitive BOOL not an object In the past I would create a dummy method in my own class like setTableAnimated and then call self performSelector..
Proper way to instantiate an NSDecimalNumber from float or double http://stackoverflow.com/questions/5304855/proper-way-to-instantiate-an-nsdecimalnumber-from-float-or-double description 36.76662445068359 dn1 doubleValue 36.76662445068357953915 description 36.76662445068359 If the number is a primitive float or double then this should work id dn2 NSDecimalNumber decimalNumberWithMantissa dbl pow 10 17 exponent 17 isNegative..
Convert decimal to fraction in Objective-C? http://stackoverflow.com/questions/5552537/convert-decimal-to-fraction-in-objective-c iphone objective c xcode formatting share improve this question Objective C uses pure C for basically all primitive mathematical operations. This being said you'll find all necessary information along with C code in the answers of this..
Using NSMutableDictionary as backing store for properties http://stackoverflow.com/questions/5873776/using-nsmutabledictionary-as-backing-store-for-properties an abuse of the property access syntax. This will only work for object values. KVC does the boxing and unboxing for primitive values such as integers since KVC is not involved no free boxing and unboxing. If you have declared formal properties see..
iphone+Difference between nil,NIL and null http://stackoverflow.com/questions/5908936/iphonedifference-between-nil-nil-and-null and found this nil Null pointer to objective c object NIL Null pointer to objective c class null null pointer to primitive type or absence of data. But I'm not able to get the terms objective c object and class clearly. Please explain me this..
http://stackoverflow.com/questions/7235991/create-image-from-rgb-data to create a png or something that would be great. iphone xcode image rgb share improve this question a terribly primitive example similar to Mats' suggestion but this version uses an external pixel buffer pixelData const size_t Width 10 const..
How do I find out if I need to retain or assign an property? http://stackoverflow.com/questions/785353/how-do-i-find-out-if-i-need-to-retain-or-assign-an-property when I should use retain and when assign objective c iphone cocoa touch share improve this question Assign is for primitive values like BOOL NSInteger or double. For objects use retain or copy depending on if you want to keep a reference to the..
Will Apple accept Apps with deprecated code? [closed] http://stackoverflow.com/questions/7909986/will-apple-accept-apps-with-deprecated-code need your attention sooner or later. One of the risks of continuing to use deprecated methods is that they may be more primitive and dangerous than newer versions may not take into account all current OS realities and possibly less well tested by Apple..
iOS Stream Audio from one iOS Device to Another http://stackoverflow.com/questions/8357514/ios-stream-audio-from-one-ios-device-to-another Look at Listing 2 8 Specifying an audio queue ™s audio data format . It's crucial to understand that you have the most primitive unit of data either an integer or a float. Mono or stereo you have one or two channels in a frame. That defines how many..
Objective-C ARC: strong vs retain and weak vs assign http://stackoverflow.com/questions/8927727/objective-c-arc-strong-vs-retain-and-weak-vs-assign
|