2014/10/15 下午 10:05:27

iphone Programming Glossary: considered

http://stackoverflow.com/questions/1259316/iphone-sdk-3-0-video-thumbnail

camera picker view and find the image view just before the ui image picker is closed. This seems kinda ugly. Also ive considered using ffmpeg to grab a frame out of the movie but wouldnt hava a clue as to how to compile it as a library for the iphone...

Strange problem comparing floats in objective-C

http://stackoverflow.com/questions/1614533/strange-problem-comparing-floats-in-objective-c

a float to a double the float is cast to a double before comparing. Floating point numbers without a modifier are considered to be double in C. However in C there is no exact representation of 0.1 in floats and doubles. Now using a float gives you..

Detecting which UIButton was pressed in a UITableView

http://stackoverflow.com/questions/1802707/detecting-which-uibutton-was-pressed-in-a-uitableview

return cell My question is this in the buttonPressedAction method how do I know which button has been pressed. I've considered using tags but I'm not sure this is the best route. I'd like to be able to somehow tag the indexPath onto the control. void..

Pattern for wrapping an Asynchronous JavaScript function to make it synchronous

http://stackoverflow.com/questions/214491/pattern-for-wrapping-an-asynchronous-javascript-function-to-make-it-synchronous

Apple Push Notification Service APNS - Notifications not arriving

http://stackoverflow.com/questions/2293155/apple-push-notification-service-apns-notifications-not-arriving

this question I finally figured it out. I was using Sandbox with an AdHoc provisioning profile. Ad Hoc is apparently considered production instead of development. I created the push production certificate installed it and voila It works. share improve..

Practical rules for premature optimization [closed]

http://stackoverflow.com/questions/2978460/practical-rules-for-premature-optimization

performance 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 is NSZombie?

http://stackoverflow.com/questions/4168327/what-is-nszombie

You can read more over at Cocoa Dev . The name is a fairly obvious play on the fact that objects are normally considered dead when they reach retain count 0. With this setting they continue to exist in a strange half life neither living nor..

Rendering to non-power-of-two texture on iPhone

http://stackoverflow.com/questions/4760174/rendering-to-non-power-of-two-texture-on-iphone

textures. A NPOT 2D texture with a wrap mode that is not CLAMP_TO_EDGE or a minfilter that is not NEAREST or LINEAR is considered incomplete. If such a texture is bound to a texture unit it is as if texture mapping were disabled for that texture unit...

Animation in OpenGL ES view freezes when UIScrollView is dragged on iPhone

http://stackoverflow.com/questions/4876488/animation-in-opengl-es-view-freezes-when-uiscrollview-is-dragged-on-iphone

your code to displayLink addToRunLoop NSRunLoop currentRunLoop forMode NSRunLoopCommonModes UITrackingRunLoopMode is considered one of the common modes. Spending too much time interrupting UIKit can lead to some very poor control responsiveness so..

NSMutableString as retain/copy

http://stackoverflow.com/questions/4995254/nsmutablestring-as-retain-copy

to access and mutate the string it's dangerous. any design which shared objects which are not thread safe should be considered with care. sharing in this case also extends to subclass usage so make it @private wherever possible retain is also generally..

Facebook connect Batch requests and FQL error problem

http://stackoverflow.com/questions/5353117/facebook-connect-batch-requests-and-fql-error-problem

send the request. Note that you need to put something in requestWithGraphPath. I simply put me this request is NOT considered . You also MUST send it as a POST http method. Finally wait for the response array in request didLoad. void prepareMyBatchRequest..

Running script only for an 'Archive' build in Xcode 4

http://stackoverflow.com/questions/5471396/running-script-only-for-an-archive-build-in-xcode-4

run this script as a pre or post action script on the Archive action. However pre and post action scripts are not considered part of the build itself their output is not part of the build log and a failing script will not cause the build to fail...

Do I need to release xib resources?

http://stackoverflow.com/questions/61838/do-i-need-to-release-xib-resources

dealloc lblExample release iphone objective c cocoa touch share improve this question If you follow what is now considered to be best practice you should release outlet properties because you should have retained them in the set accessor @interface..

iPhone UIView Animation Best Practice

http://stackoverflow.com/questions/630265/iphone-uiview-animation-best-practice

UIView Animation Best Practice What is considered best practice for animating view transitions on the iPhone For example the ViewTransitions sample project from apple uses..

How do I get a background location update every n minutes in my iOS application?

http://stackoverflow.com/questions/6347503/how-do-i-get-a-background-location-update-every-n-minutes-in-my-ios-application

n minutes in my iOS application. I'm using iOS 4.3 and the solution should work for non jailbroken iPhones. I tried considered following options CLLocationManager startUpdatingLocation startMonitoringSignificantLocationChanges This works in the background..

Should I use NSUserDefaults or a plist to store data?

http://stackoverflow.com/questions/7058858/should-i-use-nsuserdefaults-or-a-plist-to-store-data

strings maybe 10 20 . I am not sure if I should use NSUserDefaults to save them or write them out to a plist. What is considered best practice NSUserDefaults seems like it is less lines of code therefore quicker to implement. I'd like to add that these..

What major ASIHTTPRequest features is AFNetworking missing?

http://stackoverflow.com/questions/7529258/what-major-asihttprequest-features-is-afnetworking-missing

points to the NSRunLoop that creates an NSURLConnection object . So AFNetworking needs to mature in order to be considered as complete as ASIHTTPRequest was. Also ASIHTTPRequests supports client authentication which AFNetworking lacks at the moment...

UITableView - change section header color

http://stackoverflow.com/questions/813068/uitableview-change-section-header-color

color of a section header in UITableView EDIT The answer provided by DJ S at the bottom of this question should be considered for iOS 6 and above. The accepted answer is out of date. iphone cocoa touch share improve this question Hopefully this..

iOS 5 does not allow to store downloaded data in Documents directory?

http://stackoverflow.com/questions/8209406/ios-5-does-not-allow-to-store-downloaded-data-in-documents-directory

Documents or Caches If I put it products in the Caches then I have to change the logic of retrieval also since it is considered that if record is present in database there is no need change the existence of the file and it directly opens it when user..

Difference between Modal and Push segue in storyboards

http://stackoverflow.com/questions/9392744/difference-between-modal-and-push-segue-in-storyboards

VC modally. The VC's don't have to be part of a navigation controller and the VC being presented modally is generally considered to be a child of the presenting parent VC. The modally presented VC is usually sans any navigation bars or tab bars. The..