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2014/10/15 ¤U¤È 10:12:20
iphone Programming Glossary: omitNSFetchedResultsController with sections created by first letter of a string http://stackoverflow.com/questions/1112521/nsfetchedresultscontroller-with-sections-created-by-first-letter-of-a-string c core data share improve this question Dave DeLong's approach is good at least in my case as long as you omit a couple of things. Here's how it's working for me Add a new optional string attribute to the entity called lastNameInitial..
http://stackoverflow.com/questions/1320931/how-to-correctly-use-abpersonviewcontroller-with-abpeoplepickernavigationcontrol I'm fairly sure it's with this part of the displayContactInfo call above self setView personController.view When I omit this line all I see is a blank screen when I click a contact. The ABPeoplePickerNavigationController is pushing the PersonViewController..
Learning the basics of UIScrollView http://stackoverflow.com/questions/1595389/learning-the-basics-of-uiscrollview content size of the scrollview to the frame size of the content view. This is a very important step that people often omit. Put the scroll view in a window somewhere. As for the paging behavior check out UIScrollView ™s pagingEnabled property...
How to find the distance between two CG points? http://stackoverflow.com/questions/1906511/how-to-find-the-distance-between-two-cg-points
Can the UI Automation instrument be run from the command line? http://stackoverflow.com/questions/4191945/can-the-ui-automation-instrument-be-run-from-the-command-line required unless you want to run the scripts on your device. If you want to run your scripts on the simulator simply omit this parameter from the command. full_path_to_application is the path to your .app file that is created by your simulator...
What is common case for @dynamic usage? http://stackoverflow.com/questions/4524954/what-is-common-case-for-dynamic-usage you plan to provide your own implementation for the accessor s even if the compiler can't currently see them. If you omit @dynamic and don't use @synthesize one of two things will happen If you've only provided half an accessor for instance a..
Why should we declare variables for @property http://stackoverflow.com/questions/4706816/why-should-we-declare-variables-for-property NSObject @property assign NSInteger myVariable @implementation MyInterface @synthesize myVariable @end Meaning you can omit the NSInteger myVaribale in your interface declaration as long as you synthesize it in the .m the synthesize will create..
http://stackoverflow.com/questions/5214197/simple-iphone-motion-detect Device Motion Data . If you are just interested in knowing that a slight motion was made as you stated you can omit rotation handling and narrow signal processing on CMDeviceMotion.userAcceleration. This is because every rotation results..
objective c categories and inheritance http://stackoverflow.com/questions/7013090/objective-c-categories-and-inheritance
Code for alert action of UILocalNotification http://stackoverflow.com/questions/8008235/code-for-alert-action-of-uilocalnotification UILocalNotification notification if isAppResumingFromBackground Show Alert Here You can simply omit the if condition if you want to show the alert view all the time the notification is fired regardless of the app's state...
http://stackoverflow.com/questions/8060852/motion-callbacks-never-called some more experienced user can answer that. P.S. If you use this code as an example I would recommend that you omit the super respondsToSelector conditional. Of course it responds to the selector you're overriding it. share improve this..
switch between uiviews with buttons and not uinavigation controllers http://stackoverflow.com/questions/959023/switch-between-uiviews-with-buttons-and-not-uinavigation-controllers insertSubview phoneNumberViewController1.view atIndex 0 When this code executes the whole view just goes blank. If I omit the removefromsuperview portion then the view disappears behind my button but the button still remains. I'm not sure if..
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