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2014/10/15 ¤U¤È 10:10:07
iphone Programming Glossary: humanHow does one subtract hours from an NSDate? http://stackoverflow.com/questions/1160977/how-does-one-subtract-hours-from-an-nsdate iphone objective c nsdate share improve this question NSCalendar is the general API for changing dates based on human time units. For this you can use NSCalendar's dateByAddingComponents toDate options with a negative number of hours. share..
What is mach_absolute_time based on on iPhone http://stackoverflow.com/questions/1450737/what-is-mach-absolute-time-based-on-on-iphone of the device. It returns ticks since the device was last rebooted otherwise known as uptime . In order to get it in a human readable form you have to modify it by the result from mach_timebase_info a ratio which will return billionth of seconds..
How to get a single entity from an image? http://stackoverflow.com/questions/15131768/how-to-get-a-single-entity-from-an-image to get a single entity from an image I am using this image. I would like to have only the human part from this image. I don't want the background of this image. How to do this Any logic links or the best and simple way..
Do you know a good and efficient FFT? [closed] http://stackoverflow.com/questions/1592345/do-you-know-a-good-and-efficient-fft
NSArray to Description and vice versa http://stackoverflow.com/questions/16783635/nsarray-to-description-and-vice-versa
reCaptcha on iPhone App using SDK http://stackoverflow.com/questions/2447470/recaptcha-on-iphone-app-using-sdk
Sort an array with special characters - iPhone http://stackoverflow.com/questions/2492379/sort-an-array-with-special-characters-iphone looks like an ASCII character but is printed in a different width. The used comparison function handles all cases in human predictable way. The sorted array has the following order ｆoo_0 fôõ_1 ｆoo_1.5 foo_002 fôõ_3 share improve this answer..
C/C++/Obj-C Real-time algorithm to ascertain Note (not Pitch) from Vocal Input http://stackoverflow.com/questions/4062099/c-c-obj-c-real-time-algorithm-to-ascertain-note-not-pitch-from-vocal-input is not a duplicate of previously asked questions as it introduces the constraints that the sound source is a single human voice hopefully with negligible background interference although I may need to deal with this the octave is not important.. microphone byte stream. iphone algorithm signal processing detection pitch share improve this question Pitch is a human psycho perceptual phenomena. Peak frequency content is not the same as either pitch or pitch class. FFT and DFT methods.. and DFT methods will not directly provide pitch only frequency. Neither will zero crossing measurements work well for human voice sources. Try AMDF ASDF autocorrelation or cepstral methods. There are also plenty of academic papers on the subject..
http://stackoverflow.com/questions/4127979/faster-iphone-png-animations impossible. Nothing runs at 100 fps. 20fps is extremely smooth 30fps is staggeringly smooth 40fps is mindboggling human vision research level smooth if it could be achieved and 100 fps cannot be achieved. This has absolutely utterly nothing..
Best way to switch between UISplitViewController and other view controllers? http://stackoverflow.com/questions/4213097/best-way-to-switch-between-uisplitviewcontroller-and-other-view-controllers of app store rejection because of my approach This modal strategy is probably 'misusing' modal dialogs as per Apple's human interface guidelines. But what other choice have they given me Would they know that I'm doing this anyway iphone ipad user..
Convert NSString to NSInteger? http://stackoverflow.com/questions/4791470/convert-nsstring-to-nsinteger
Iphone, Obtaining a List of countries in an NSArray http://stackoverflow.com/questions/502764/iphone-obtaining-a-list-of-countries-in-an-nsarray I have used NSLocale to generate an array of countries but it's only the country codes unfortunately and not the human readable equivalent. I don't want 'GB' I want Great Britain. objective c iphone cocoa touch share improve this question..
Show UITabBar when UIViewController pushed http://stackoverflow.com/questions/5072382/show-uitabbar-when-uiviewcontroller-pushed of Cocoa classes position key for tab bar animation contradicts the documented behaviors and is against Apple's human interface guideline. You may find out that your application wouldn't work the same with the following SDK versions that..
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 that I run using osascript from a Run Script Build Phase in Xcode 4. This script does some checks to try and catch any human error in plists and suchlike. However I only really want to run this script when a developer chooses 'Archive' as opposed..
Convert decimal to fraction in Objective-C? http://stackoverflow.com/questions/5552537/convert-decimal-to-fraction-in-objective-c you'll find all necessary information along with C code in the answers of this other question How to convert floats to human readable fractions Specifically this answer featuring actual C code . Here is a quick c function wrapper of said algorithm..
NSDefaultRunLoopMode vs NSRunLoopCommonModes http://stackoverflow.com/questions/7222449/nsdefaultrunloopmode-vs-nsrunloopcommonmodes registered to the common pseudo mode are added to the newly added common mode. Can anyone please explain the two in human language iphone ios multithreading nsrunloop share improve this question A run loop is a mechanism that provides the..
http://stackoverflow.com/questions/1414510/how-do-you-add-more-than-one-uibarbutton-on-uinavigationitem-rightbarbuttonitem can see a faint seam because it is a UIToolbar nested in the navigationbar.. Please don't mention this breaking the Human Interface Guidelines. We know . I appreciate you contributing your hacks... thats the only way to do this iphone uinavigationbar..
How big should a UIBarButtonItem image be? http://stackoverflow.com/questions/1590170/how-big-should-a-uibarbuttonitem-image-be the image should be. iphone uibarbuttonitem share improve this question About 20× 20 points according to the Human Interface Guidelines . A document that should definitely be in your bookmarks if you're working on iPhone apps. That would..
What are the correct pixel dimensions for an apple-touch-icon? http://stackoverflow.com/questions/1598/what-are-the-correct-pixel-dimensions-for-an-apple-touch-icon
Non-PIE Binary - The executable 'project name' is not a Position Independent Executable. http://stackoverflow.com/questions/16455416/non-pie-binary-the-executable-project-name-is-not-a-position-independent-exe All apps must include a launch image of the appropriate size. Learn more about iPhone 5 support by reviewing the iOS Human Interface Guidelines. Though you are not required to fix the following issues we wanted to make you aware of them Non PIE..
iPhone 5 Optimization Requirement - Launch image really necessary? http://stackoverflow.com/questions/16552348/iphone-5-optimization-requirement-launch-image-really-necessary All apps must include a launch image of the appropriate size. Learn more about iPhone 5 support by reviewing the iOS Human Interface Guidelines. Also the status of the app is Illegal binary . I've read that I must include a launch image called..
How to Add a Splash Screen or Initial View to the Xcode iPhone Utility Template http://stackoverflow.com/questions/2318300/how-to-add-a-splash-screen-or-initial-view-to-the-xcode-iphone-utility-template default.png into the resources. The app will automatically display that at startup before any views load. The Apple Human Interface Guidelines say to avoid the use of splash screens whenever possible. Their proper use is to create the illusion..
http://stackoverflow.com/questions/3097244/exit-application-in-ios-4-0 by resuming or by starting and loading the old state. No reason for exit. Edit As this keeps popping up again iOS Human Interface Guidelines says Don't Quit Programmatically . And we have seen many reports of apps that had calls to exit in..
Does apple view the actual source code when approving apps? http://stackoverflow.com/questions/3186648/does-apple-view-the-actual-source-code-when-approving-apps proper usage of no persistent selections on table view rows etc. . If your application deviates significantly from the Human Interface Guidelines when using these standard UI elements you may get rejected. Apple is very careful about copyright particularly..
How to create drop down list box for an iphone app http://stackoverflow.com/questions/3717309/how-to-create-drop-down-list-box-for-an-iphone-app Not only does it already exist but users are familiar with it and know how to use it. There really is a point to Human Interface Guidelines and a standard set of UI elements. In situations where I've needed a picker like control in a small..
Can the exposure time be manually adjusted for an iOS cameras? http://stackoverflow.com/questions/4745270/can-the-exposure-time-be-manually-adjusted-for-an-ios-cameras hardware is a violation of the iPhone Developer Program License Agreement. Applications must adhere to the iPhone Human Interface Guidelines as outlined in the iPhone Developer Program License Agreement section 3.3.7 Related article Apple Removes..
Determining Image Luminance/Brightness http://stackoverflow.com/questions/4876315/determining-image-luminance-brightness cameras do this otherwise your pictures can end up either saturated pure white or plain black in either case useless. Human eyes actually do the same thing . The downside is that's it's hard to tell whether you are in a dark or light environment..
http://stackoverflow.com/questions/5360846/suspend-the-application this question Quitting your application or sending it to the background programmatically is a violation of the iOS Human Interface Guidelines which usually doesn't bode well for getting through the review process Don ™t Quit Programmatically..
How to customize Buttons in UIActionSheet? http://stackoverflow.com/questions/6568308/how-to-customize-buttons-in-uiactionsheet question If you change these sizes not only might you make your application less usable but that may violate Apple's Human Interface Guidelines leading to a rejection of your application when submitted. Here is the example how to use UiActionsheet..
http://stackoverflow.com/questions/675433/custom-colors-in-uitabbar Second even I were to create my own TabBar like view controller along with custom images would this violate Apple's Human Interface Guidelines iphone objective c share improve this question I found an answer to this at Silent Mac Design..
http://stackoverflow.com/questions/8491466/call-exit0-in-iphone-app is called when exit 0 is done Thank you ios iphone objective c exit share improve this question From Apple's Human User Guidelines... Don ™t Quit Programmatically Never quit an iOS application programmatically because people tend to interpret..
DETECT the Edge of a Document in iPhoneSDK http://stackoverflow.com/questions/8921256/detect-the-edge-of-a-document-in-iphonesdk the corners of captured image of a document. Some How I got an open source API called OpenCV which recognize the Human Face very well. I want to use the same API if possible.Now the problem Is how can I make the changes in those static libraries..
Change iPhone navigation bar's height http://stackoverflow.com/questions/892905/change-iphone-navigation-bars-height from 2009 This is generally impossible. What's more I believe making the navigation bar taller is a violation of Apple Human Interface Guidelines and your application may be rejected from the App Store because of it. Please make sure your client..
What's the difference between frame and layout in Interface builder's size inspector? http://stackoverflow.com/questions/914102/whats-the-difference-between-frame-and-layout-in-interface-builders-size-inspe uses for this concept. The layout rectangle is useful to look at for applications of measuring and sizing. The Apple Human Interface Guidelines might make the statement that Two push buttons aligned vertically and horizontally next to each other..
Is there any ready-made calendar control for iPhone apps? http://stackoverflow.com/questions/997779/is-there-any-ready-made-calendar-control-for-iphone-apps the one displayed in the month view in the built in Calendar application would be a best match. However the iPhone Human Interface Guidelines just mentions the Date Picker not the calendar so I believe there is nothing like that out of the box...
Should views be created using NIBs or code in iPhone? http://stackoverflow.com/questions/998452/should-views-be-created-using-nibs-or-code-in-iphone advantages that you can't achieve as easily by simply using code. it helps your applications to conform to the iPhone Human Interface Guidelines through the use of the markers etc which Apple encourage developers to follow in order to maintain..
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