2014/10/15 下午 10:09:57

iphone Programming Glossary: harm

http://stackoverflow.com/questions/1103089/where-to-determine-uiview-size

initializer has to be used from subclasses' initializers. On the other hand setting the frame twice should not do much harm. Performing a lot of tasks in setFrame is unusual. Layouting is normally done in layoutSubviews and is only performed once...

Keychain group access to share data between my existing applications

http://stackoverflow.com/questions/11793271/keychain-group-access-to-share-data-between-my-existing-applications

Is it possible to change the bundle seed ID of all applications through Provisioning profile portal without doing any harm to any functionality Although I want to avoid that as there are so many apps . Is there a way I can add bundle seed ID of..

Monotouch or Titanium for rapid application development on IPhone?

http://stackoverflow.com/questions/1488402/monotouch-or-titanium-for-rapid-application-development-on-iphone

stuff doesn't really work road that so many other technologies have. But if you're doing something simple there's no harm in giving it a shot especially considering that it's free during the beta period. Aright. Really shutting up now... I hope..

Settings IBOutlets to nil in dealloc

http://stackoverflow.com/questions/1682080/settings-iboutlets-to-nil-in-dealloc

again may cause a crash. By setting a variable to nil after release you prevent that crash from happening. There's no harm in accessing a nil pointer. The example you've linked to simply demonstrates why it's always a good idea to set a variable..

Why do I get “Cocoa error 513” when write files to “/var/mydir/files” on an jailbroken iPhone?

http://stackoverflow.com/questions/17799629/why-do-i-get-cocoa-error-513-when-write-files-to-var-mydir-files-on-an-jail

function. Just add a simple function mkdir var mobile Library YOURAPPNAME 0755 If the folder already exists no harm done. You want to do this because the install process runs as user root and the app runs as user mobile. If Cydia does this..

Determining when an EDGE connection comes back after a dropout on an iPhone

http://stackoverflow.com/questions/181485/determining-when-an-edge-connection-comes-back-after-a-dropout-on-an-iphone

be reliable for me either for detecting Wi Fi. So I just use polling instead. Checking every 5 seconds seems to do no harm. void checkReachability BOOL connected Reachability sharedReachability localWiFiConnectionStatus ReachableViaWiFiNetwork..

Objective-C, .m / .mm performance difference?

http://stackoverflow.com/questions/2317868/objective-c-m-mm-performance-difference

the two. A better strategy is to use .m by default. If you need to use Objective C later in development there is no harm in renaming the file to use a .mm extension. If you so from within XCode the project will be automatically updated to use..

lazy loading images in UITableView iPhone SDK

http://stackoverflow.com/questions/2828312/lazy-loading-images-in-uitableview-iphone-sdk

size and returns the image all done in a sync blocking method call. Since this is already the background thread no harm blocking it for this operation. When the method returns the image it is set to the cell's imageview if it still has the..

Can Blocks built for the iPhone 4 SDK work when deployed to iPhone OS 3.0?

http://stackoverflow.com/questions/3196776/can-blocks-built-for-the-iphone-4-sdk-work-when-deployed-to-iphone-os-3-0

objective c ios4 share improve this question While the easiest thing to do is try it I think that they wont cause harm if present but not used eg. you use a runtime if statement to circumvent the blocks using code on pre 4.0 devices but they..

iPhone: Create a reusable component (control) that has some Interface Builder pieces and some code

http://stackoverflow.com/questions/4036398/iphone-create-a-reusable-component-control-that-has-some-interface-builder-pi

fooBarView.titleLabel.textColor data.nameColor return fooBarView Notice how I set owner of nib to self there's no harm as I didn't connect File's owner to anything. The only valuable result from loading this nib is its first element my view...

How would you keep secret data secret in an iPhone application?

http://stackoverflow.com/questions/544463/how-would-you-keep-secret-data-secret-in-an-iphone-application

There will be somebody an enemy who wants that secret client key so as to do the service or client key owner harm by way of impersonation. Such a person might jailbreak their phone get access to the binary run 'strings' or a hex editor..

How to eliminate “two-stage rotation” warning?

http://stackoverflow.com/questions/6636683/how-to-eliminate-two-stage-rotation-warning

delegate However if the modal view is not tabController this warning does not appear. What will this behavior do harm to the application when I popup tabController modal view in a navigation controller Or I should find another way to do this..

Save An Image To Application Documents Folder From UIView On IOS

http://stackoverflow.com/questions/6821517/save-an-image-to-application-documents-folder-from-uiview-on-ios

methods to get this to work but can't get a grasp on it. For the first time in my life I've wanted to cause physical harm to an inanimate object but I've managed to restrain myself. I'd like to be able to save the image the user places into the.. Any help is greatly appreciated iphone uiimageview save share improve this question It's all good man. Don't harm yourself or others. You probably don't want to store these images in Core Data since that can impact performance if the..

UIScrollView : paging horizontally, scrolling vertically?

http://stackoverflow.com/questions/728014/uiscrollview-paging-horizontally-scrolling-vertically

it until you decide to scroll horizontally. No touchesMoved means no scrolling so this initial touchesBegan will do no harm. But do set delaysContentTouches to NO so that no additional surprise timers interfere. Offtopic unlike you UIScrollView..

Alternative to global variables in app delegate

http://stackoverflow.com/questions/7635008/alternative-to-global-variables-in-app-delegate

a good or a bad design decision. My thoughts are that since it is a non critical piece of information just a float no harm is done when storing it globally. But my OOP heart hurts every time I say the word global to myself. Alternatively I have.. a good or a bad design decision. My thoughts are that since it is a non critical piece of information just a float no harm is done when storing it globally. But my OOP heart hurts every time I say the word global to myself. perhaps you can move..

Prevent Splash Screen from showing after returning from background

http://stackoverflow.com/questions/8143151/prevent-splash-screen-from-showing-after-returning-from-background