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Why would you ever implement finalize()?

...uestions on finalize() and find it kind of bewildering that no one has really made it plain that finalize() is an unreliable way to clean up resources. I saw someone comment that they use it to clean up Connections, which is really scary since the only way to come as close to a guarantee that a C...
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How do I show/hide a UIBarButtonItem?

... Save your button in a strong outlet (let's call it myButton) and do this to add/remove it: // Get the reference to the current toolbar buttons NSMutableArray *toolbarButtons = [self.toolbarItems mutableCopy]; // This is how you remove the button from the toolbar and ...
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What MIME type should I use for CSV?

I've seen application/csv used and also text/csv . 5 Answers 5 ...
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AngularJs: How to check for changes in file input fields?

...d circumvents the default AngularJS processing, so $scope.$digest() isn't called (bindings aren't updated). Call 'angular.element(this).scope().$digest()' afterwards or call a scope method that uses $apply. – Ramon de Klein May 26 '14 at 9:01 ...
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Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'

...ng is a 64-bit unsigned integer. int is a 32-bit integer. So int is a "smaller" datatype than NSUInteger, therefore the compiler warning. See also NSUInteger in the "Foundation Data Types Reference": When building 32-bit applications, NSUInteger is a 32-bit unsigned integer. A 64-bit applic...
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preferredStatusBarStyle isn't called

...llowed this thread to override -preferredStatusBarStyle , but it isn't called. Are there any options that I can change to enable it? (I'm using XIBs in my project.) ...
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How to detect first time app launch on an iPhone

... - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { if (![[NSUserDefaults standardUserDefaults] boolForKey:@"HasLaunchedOnce"]) { [[NSUserDefaults standardUse...
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Find unused code [closed]

...ions that are never used. How can I check for unused code, so I can remove all the unused functions? 9 Answers ...
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GridLayout and Row/Column Span Woe

...lly, that was my fault, not converting the required android: attributes to app: ones, using the backport's XML namespace. It does work with the backport. – CommonsWare Aug 8 '12 at 23:44 ...
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How do you access a website running on localhost from iPhone browser

...ever port your website is running on) in the inbound security of your firewall if you are running one. Note: don't forget the app's port if what you want is to debug the app in your iPhone's browser like: http://192.168.0.102:3000. In this example 3000 is the default port used by ReactJS. ...