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An App ID with Identifier '' is not available. Please enter a different string

I am trying to add a new APP ID to prepare for App Store submission and got the following error under the bundle ID I provided. ...
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what exactly is device pixel ratio?

...x image. Bigger image, but it looks better since the display has all those extra pixels. This is the idea behind "Retina Displays". – Jake Wilson Jan 6 '16 at 18:37 ...
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android webview geolocation

...nt(new WebChromeClient() { public void onGeolocationPermissionsShowPrompt(String origin, GeolocationPermissions.Callback callback) { callback.invoke(origin, true, false); } }); Geolocation uses databases to persist cached positions and permissions between sessions. The location of the datab...
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How does the compilation/linking process work?

...le length depending on the particular instruction involved, and because we string a variable length of them together as we build our machine code, there is a two step process involved in calculating and building any addresses. First we laying out the allocation of memory as best we can before we ca...
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Collections.emptyList() vs. new instance

...oo> always creates a new instance of the object so it has a very slight extra cost associated with it which may give you a reason to use Collections.emptyList. I like using emptyList just because it's more readable. shar...
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How do I test if a string is empty in Objective-C?

How do I test if an NSString is empty in Objective-C? 30 Answers 30 ...
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How to push both value and key into PHP array

...like this array (size=3) 'type' => array (size=3) 0 => string 'text' (length=4) 1 => string 'text' (length=4) 2 => string 'text' (length=4) 'class' => array (size=3) 0 => string 'myclass1' (length=8) 1 => string 'myclass2' (length=8) ...
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Why does UITableViewCell remain highlighted?

...efly before being deselected. In theory I think you do not have to do any extra work to have it deselect right away on its own, so code in viewDidAppear should not be needed... – Kendall Helmstetter Gelner Dec 3 '09 at 20:40 ...
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How do I get list of methods in a Python class?

...e predicate part is key, otherwise you get the same thing as dict with the extra meta info. Thanks. – Purrell Dec 15 '09 at 23:48 2 ...
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Cocoa Touch: How To Change UIView's Border Color And Thickness?

...?.CGColor } } } This way, your default View always has those extra editable fields in Attributes Inspector. Another advantage is that you don't have to change the class to MycustomView every time. However, one drawback to this is that you will only see your changes when you run your ap...