Sorted:

Why don't non-existent IBOutlets crash the application?-Collection of common programming errors

Is this true about late binding?-Collection of common programming errors

presentModalViewControllerAnimated: gives white screen-Collection of common programming errors

problem about access-modifiers-Collection of common programming errors

TinyMCE (Image Manager): How to force client to upload via “basic upload”-Collection of common programming errors

Passing a boolean to a function instead of creating two functions-Collection of common programming errors

How to allow a user of the class X to choose an implementation of the interface the class X is using?-Collection of common programming errors

Unable to change URL for .NET reference to dynamic web service-Collection of common programming errors

problem about google-apis-explorer-Collection of common programming errors

problem about internals-Collection of common programming errors