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Reset push notification settings for app

...mentation. The current solution seems to be resetting the device's content and settings. Update: The tech note has been updated with new steps that work correctly as of iOS 7. Delete your app from the device. Turn the device off completely and turn it back on. Go to Settings > General...
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What are best practices that you use when writing Objective-C and Cocoa? [closed]

I know about the HIG (which is quite handy!), but what programming practices do you use when writing Objective-C, and more specifically when using Cocoa (or CocoaTouch). ...
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Understanding Spring @Autowired usage

I am reading the spring 3.0.x reference documentation to understand Spring Autowired annotation: 3 Answers ...
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When to use wrapper class and primitive type

...have mentioned that certain constructs such as Collections require objects and that objects have more overhead than their primitive counterparts (memory & boxing). Another consideration is: It can be handy to initialize Objects to null or send null parameters into a method/constructor to indic...
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How to Correctly handle Weak Self in Swift Blocks with Arguments

In my TextViewTableViewCell , I have a variable to keep track of a block and a configure method where the block is passed in and assigned. Here is my TextViewTableViewCell class: ...
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MySQL: determine which database is selected?

...ncluded in this or not. On a technical level, it is a holdover from Oracle and can safely be removed. If you are inclined, you can use the following instead: SELECT DATABASE(); That said, it is perhaps important to note, that while FROM DUAL does not actually do anything, it is valid MySQL syntax...
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Xcode 4.2 debug doesn't symbolicate stack call

...owever, I have found an effective work-around - creating my own exception handler (which is also useful for other reasons). First, create a function that will handle the error and output it to the console (as well as whatever else you want to do with it): void uncaughtExceptionHandler(NSException *...
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Django CharField vs TextField

What is the difference between CharField() and TextField() in Django? The documentation says that CharField() should be used for smaller strings and TextField() should be used for larger strings. Okay, but where is the line drawn between "small" and "large"? What's going on under the ho...
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System.currentTimeMillis vs System.nanoTime

... movement is directly proportional to the elapsed time since the last call and I want to be as precise as possible. 10 Answ...
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How to revert a Git Submodule pointer to the commit stored in the containing repository?

I have a git submodule in my main git repo. As I understand it, the main repo stores a SHA value (somewhere...), pointing to the specific commit of the submodule that it is "linked to". ...