2014/10/15 下午 10:10:05

iphone Programming Glossary: higher

How to implement a box or gaussian blur on iPhone

http://stackoverflow.com/questions/1140117/how-to-implement-a-box-or-gaussian-blur-on-iphone

never be larger than 256 x 256 px. Do I have to loop thru every pixel and average them with neighbors or is there a higher level way that I could do this PS I am aware that multiple box blurs can approximate a gaussian blur. iphone image processing..

iPhone: Base versus Active versus Deployment target

http://stackoverflow.com/questions/1358033/iphone-base-versus-active-versus-deployment-target

to be the latest currently SDK 3.0 . Set the Deployment Target to be the lower I want to be supported iPhone 2.0 and higher What exactly is the Base SDK for should I ignore it if I chose Active SDK to be different and where do I see the Active..

libraries to CAPTURE panorama in iOS 6

http://stackoverflow.com/questions/14062932/libraries-to-capture-panorama-in-ios-6

It 䏭 possible to use this class without being aware of the entire stitching pipeline. However to be able to achieve higher stitching stability and quality of the final images at least being familiar with the theory is recommended see Stitching..

iPhone - How do you make a resizable rectangle for cropping images?

http://stackoverflow.com/questions/1971542/iphone-how-do-you-make-a-resizable-rectangle-for-cropping-images

presently I have an imageview and plain UIView layered in the UIScrollview then outside of the scrollview and at a higher level is my custom cropping UIView. I implement the touches methods to deal with dragging it around and also drawRect void..

Best FTP Objective-C wrapper for iPhone

http://stackoverflow.com/questions/2434552/best-ftp-objective-c-wrapper-for-iphone

for iPhone I know you use the C based networking API to do FTP communication but I'd prefer to use something a little higher level. I've seen a few Objective C based wrappers but I'm not sure what to use. I don't need that complex of FTP interaction...

iPhone proper usage of Application Delegate

http://stackoverflow.com/questions/338734/iphone-proper-usage-of-application-delegate

as I think it puts too much responsibility at the top level I think things should self manage where possible and that higher level management should only be used when there is a requirement for coordination between peer level modules. I'm not going..

MKMapView setRegion “snaps” to predefined zoom levels?

http://stackoverflow.com/questions/3612007/mkmapview-setregion-snaps-to-predefined-zoom-levels

return the same region since it obviously fits the map's frame but it returns the region that corresponds to the next higher predefined zoom level instead. setVisibleMapRect behaves similarly. Any further insight or information would be appreciated...

iPhone SDK 4 AVFoundation - How to use captureStillImageAsynchronouslyFromConnection correctly?

http://stackoverflow.com/questions/3847140/iphone-sdk-4-avfoundation-how-to-use-capturestillimageasynchronouslyfromconnec

sensibly with AVCaptureSessionPresetPhoto otherwise you effectively get JPEG encoded video frames. Might as well use higher quality BGRA frames incidentally the camera's native output appears to be BGRA it doesn't appear to have the colour subsampling..

Do iPhone / Android browsers support CSS @media handheld?

http://stackoverflow.com/questions/3893342/do-iphone-android-browsers-support-css-media-handheld

run through of some. Edited in response to comment from @Colen Hmm it looks like a lot of new mobile devices have higher resolutions e.g. droid X is 854x480 . Is there any way to detect those I don't think those are being handled with this query...

“Warning: iPhone apps should include an armv6 architecture” even with build config set

http://stackoverflow.com/questions/4198676/warning-iphone-apps-should-include-an-armv6-architecture-even-with-build-conf

cleaned all targets. I appreciate any tips. iphone ios xcode share improve this question If using Xcode 4.2 or higher try the following Click your Project name in the left column followed by the Target Click the 'Build Settings' tab in the.. click Done Update you should add armv7s to target the iPhone 5 as well. And drop armv6 if building with Xcode 4.5 or higher which no longer supports armv6. That's it. You should now be able to build archive without generating errors. If it still..

Is it possible to refresh a single UITableViewCell in a UITableView?

http://stackoverflow.com/questions/4448321/is-it-possible-to-refresh-a-single-uitableviewcell-in-a-uitableview

indexPathOfYourCell nil withRowAnimation UITableViewRowAnimationNone self.tableView endUpdates In Xcode 4.6 and higher self.tableView beginUpdates self.tableView reloadRowsAtIndexPaths @ indexPathOfYourCell withRowAnimation UITableViewRowAnimationNone..

Getting displacement from accelerometer data with Core Motion

http://stackoverflow.com/questions/4449565/getting-displacement-from-accelerometer-data-with-core-motion

outrun the true value. I would strongly recommend to not rely on trapezoidal rule but to use at least Simpson or a higher degree Newton Cotes formula. If you managed this you will have to keep an eye on setting up the right low pass filtering...

How to lock the horizontal scrolling of a scrollView in iOS

http://stackoverflow.com/questions/5271521/how-to-lock-the-horizontal-scrolling-of-a-scrollview-in-ios

scrolling in UIScrollView right all answers here are ok... but if for some strange reason your contentSize should be higher than the UIScrollView in both dimensions you can disable the horizontal scrolling implementing the UIScrollView protocol..

Can you use cancel/isCancelled with GCD/dispatch_async?

http://stackoverflow.com/questions/5449469/can-you-use-cancel-iscancelled-with-gcd-dispatch-async

were re implemented to use GCD internally. So the dependency is the other way around. NSOperation is a higher level construct than GCD. Even if you were to use NSOperation though your implementation of cancellation would be largely..

What are the differences between nil, NULL and [NSNULL nil]?

http://stackoverflow.com/questions/6814427/what-are-the-differences-between-nil-null-and-nsnull-nil

The difference exists because although Obj C's syntax happens to ride on top of C's the design of the language is higher level and its object IDs aren't conceptually the same as just pointers . Hence the creation of a special sentinel for them...

Last In-First Out Stack with GCD?

http://stackoverflow.com/questions/7567827/last-in-first-out-stack-with-gcd

priority queue will allow the images being rendered from the cellForRowAtIndexPath method above to be rendered at a higher priority. So because of the difference in priorities of the queues you will have a poor mans LIFO. Good luck. share improve..

Is it possible to target older iOS versions when using Xcode 4.2 and iOS 5 SDK?

http://stackoverflow.com/questions/7760946/is-it-possible-to-target-older-ios-versions-when-using-xcode-4-2-and-ios-5-sdk

set to 3.0 because I am not using any features in my app above 3.0 and I want to be able to target all versions 3.0 or higher. I have all my provisioning profiles installed and up to date. I have quit and restarted xcode I have cleaned the build..

What options are available to accept credit card payments through an iPhone? [closed]

http://stackoverflow.com/questions/805324/what-options-are-available-to-accept-credit-card-payments-through-an-iphone

UIImageView and UIScrollView zooming

http://stackoverflow.com/questions/8891356/uiimageview-and-uiscrollview-zooming

or any view you want to zoom inside your UIScrollView. Set your maxZoomScale on your UIScrollView to any value higher than 1.0f. Set yourself as the delegate of your UIScrollView and return the UIImageView in the viewForZooming delegate method...