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2014/10/15 ¤U¤È 10:15:29
iphone Programming Glossary: unnecessaryHow to check for an active Internet Connection on iPhone SDK? http://stackoverflow.com/questions/1083701/how-to-check-for-an-active-internet-connection-on-iphone-sdk I could check to see for a response from some other websites if Google didn't respond it does seem wasteful and an unnecessary overhead on my application. BOOL connectedToInternet NSString URLString NSString stringWithContentsOfURL NSURL URLWithString..
Customize UIPickerView's Skin with images http://stackoverflow.com/questions/11450840/customize-uipickerviews-skin-with-images objectAtIndex 2 addSubview viewForPickerView UIPickerView has 8 subviews like background rows container etc. hide unnecessary subview UIView pickerView subviews objectAtIndex 3 setHidden YES UIView pickerView subviews objectAtIndex 5 setHidden YES..
Where to place the “Core Data Stack” in a Cocoa/Cocoa Touch application http://stackoverflow.com/questions/1267520/where-to-place-the-core-data-stack-in-a-cocoa-cocoa-touch-application from which you retrieve a context typically at best introduces a needless level of indirection and at worst introduces unnecessary application rigidity. No example retrieves the context using UIApplication delegate managedObjectContext share improve..
UIWebView Keyboard - Getting rid of the “Previous/Next/Done” bar http://stackoverflow.com/questions/2105858/uiwebview-keyboard-getting-rid-of-the-previous-next-done-bar that appears when you focus a text field in a webview. We have some other ways of handling this and it's redundant and unnecessary. iphone ios uiwebview keyboard share improve this question void viewDidLoad NSNotificationCenter defaultCenter addObserver..
Difference between @interface declaration and @property declaration http://stackoverflow.com/questions/2159725/difference-between-interface-declaration-and-property-declaration int aVar And then later I @synthesize aVar Can you help me understand the purpose of three steps Am I doing something unnecessary Thanks. objective c iphone properties share improve this question Here you're declaring an instance variable named..
How to tell if UIViewController's view is visible http://stackoverflow.com/questions/2777438/how-to-tell-if-uiviewcontrollers-view-is-visible main view in the view controller EDIT Invoking the view method causes the view to load if it is not loaded which is unnecessary and may be undesirable. It would be better to check first to see if it is already loaded. I've added the call to isViewLoaded..
Practical rules for premature optimization [closed] http://stackoverflow.com/questions/2978460/practical-rules-for-premature-optimization of algorithms is going the way of assembly loop unrolling and other optimization techniques that are now considered unnecessary. What do you think Are we at the point now where deciding between an O n^n and O n complexity algorithm is irrelevant What..
iPad/iPhone browser crashing when loading images in Javascript http://stackoverflow.com/questions/2986039/ipad-iphone-browser-crashing-when-loading-images-in-javascript Given that you can stream much more than a few MB in a element or through the in browser media player this limit seems unnecessary and there should be some kind of workaround available. Perhaps by freeing up memory or something else. I also came across..
Check for private API “usage” yourself? http://stackoverflow.com/questions/3546046/check-for-private-api-usage-yourself names conflicts with anything in there If so we could have a chance of correcting this before release and avoiding unnecessary rejection. iphone code review ios iphone privateapi share improve this question I'd suggest using App Scanner. It analyzes..
How is retain setter implemented with @synthesize? http://stackoverflow.com/questions/3924463/how-is-retain-setter-implemented-with-synthesize 160.0f 70.0f 150.0f 310.0f self.overlay tempOverlay tempOverlay release Isn't the tempOverlay variable above unnecessary Can't I just do self.overlay UIView alloc initWithFrame CGRectMake 160.0f 70.0f 150.0f 310.0f iphone objective c memory..
How do I get a view in Interface Builder to load a custom view in another nib? http://stackoverflow.com/questions/3944964/how-do-i-get-a-view-in-interface-builder-to-load-a-custom-view-in-another-nib in the UIAwesomeSauce thing open the nib file load the main view and just place it inside self so that you have an unnecessary view between the UIAwesomeSauce view and the subviews or sub subviews as the case would be. I'm not sure how inefficient..
http://stackoverflow.com/questions/4745618/ogg-vorbis-in-iphone-sdk for me. I just copied from cocos2d framework all files libraries that SoundEngineTest was based on. And got rid of unnecessary code. Here is my demoProject that shows how to play ogg on ios. Be careful with iOS 5. simulators they have some problems..
NSMutableString as retain/copy http://stackoverflow.com/questions/4995254/nsmutablestring-as-retain-copy str1 retain autorelease hmm... that's not very clear and not very considerate for clients. it also implies a lot of unnecessary things and introduces additional copy overhead. let's re evaluate this. additional considerations problems at this point.. add equivalent external code to support that. depending on how the interface is used this can also introduce a lot of unnecessary copying. boo. ok now we're pretty convinced our 'improvement' is still a bad idea in most cases how can we improve the design..
UIView backgroundColor disappears when UITableViewCell is selected http://stackoverflow.com/questions/5222736/uiview-backgroundcolor-disappears-when-uitableviewcell-is-selected there is a way around that . The down side is you'll have to re implement all the necessary functions as opposed to unnecessary color clearing functions of setSelected. Now don't ask me how to properly override setSelected just yet. Your guess is as.. time it scrolls every time you grandmother gets a perm... like seriously a million times. That means there is a lot of unnecessary background re assertions and a lot of extra processing overhead. On the bright side it puts the code inside the UITableViewCell..
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 triangles for rasterization. In previous testing octagons yielded worse performance than squares despite removing many unnecessary fragments and letting you block covered fragments more efficiently. By adjusting the triangle drawing as follows I was able..
Correct Singleton Pattern Objective C (iOS)? http://stackoverflow.com/questions/7598820/correct-singleton-pattern-objective-c-ios That is it. Overriding retain release retainCount and the rest is just hiding bugs and adding a bunch of lines of unnecessary code. Every line of code is a bug waiting to happen. In reality if you are causing dealloc to be called on your shared instance..
Get video NSData from ALAsset url iOS http://stackoverflow.com/questions/8791049/get-video-nsdata-from-alasset-url-ios ALAsset assets library asset asset.MOV id 1000000116 ext MOV I have tried this below link which works but I need to unnecessary write to a temp location which is very time consuming. Getting video from ALAsset Any hint in right direction would be highly..
UIScrollView image/photo viewer with paging enabled and zooming http://stackoverflow.com/questions/975708/uiscrollview-image-photo-viewer-with-paging-enabled-and-zooming just isn't going to work. Three20's photo viewer is out of the question it's too heavy weight and there is too much unnecessary UI and other behaviour. The built in Photo app seems to do some magic. If you zoom in on an image and pan to the far edges..
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