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CSS media queries: max-width OR max-height
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Lets say I have to support all iPhone devices, so should I write media queries for each device separately e.g iPhone 5 (both portrait&landscape),iPhone6, iPhone 6 Plus and so on.If yes, I will end up writing more media queries covering all size of devi...
iOS 6: How do I restrict some views to portrait and allow others to rotate?
I have an iPhone app that uses a UINavigationController to present a drill-down interface: First one view, then another, up to four levels deep. I want the first three views restricted to portrait orientation and only the last view should be allowed to rotate to landscape. When returning from the ...
How can you encode a string to Base64 in JavaScript?
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but it does not work on iPhone3G with iOS 4.1. It does work on the simulator iPhone simulator when set to iPhone4 or iPhone.
– Grant M
Sep 15 '10 at 8:38
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How to detect if app is being built for device or simulator in Swift
...runtime check, you can inspect the TARGET_OS_SIMULATOR variable (or TARGET_IPHONE_SIMULATOR in iOS 8 and below), which is truthy on a simulator.
Please notice that this is different and slightly more limited than using a preprocessor flag. For instance you won't be able to use it in place where a i...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
..., and the user launchd. I just repeated the wedge by running an app in the iphone simulator, having it stopped within gdb, and then doing a build and run to the ipad simulator. It seems to be sensitive to switching simulators (iOS 4.3/iOS 5, iPad/iPhone). It doesn't happen all the time but fairly fr...
Test iOS app on device without apple developer program or jailbreak
...vice. Then it worked. Also remember to allow installing such apps on your iPhone by going to Settings -> General -> Profile You will see your dev account. Tap it. You should see the app listed there. Tap on it. Tap "Trust (name here)"
– mutp
Sep 19 '15 a...
What is Objective C++? [closed]
...lasses).
Yes, you can use this language in Xcode to develop for Mac OS X, iPhone/iPodTouch, iPad. It works very well.
You don't have to do anything weird in your project to use Objective-C++. Just name your Objective-C files with the extension .mm (instead of .m) and you are good to go.
It is my ...
How big should a UIBarButtonItem image be?
...lder devices like iPad 2 / Mini, 50px square for most current devices like iPhone 8 or iPad, and 75px square for Retina HD devices (the iPhone 6/7/8 Plus, or iPhone X). Asset catalogs will help immensely in keeping the different asset sizes organized (and Xcode can even generate them from vector sou...
大数据：用数据指导APP运营 - 资讯 - 清泛网 - 专注C/C++及内核技术
...系的。很简单的一个道理：
两个活动，一个活动送100台iPhone6，一个活动送1台iPhone6，哪个效果会好？
做运营的同学，请一定要认真的去评估每一个运营动作背后的成本。
而所谓“收益”，并不等价于“收入”，获得金钱是收...
Using NSPredicate to filter an NSArray based on NSDictionary keys
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Does NSPredicate work on the iPhone? It works great on the sim but running it on the iPhone gives an error that the NSPredicate class could not be found.
– lostInTransit
Sep 25 '09 at 4:28
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