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Disable Automatic Reference Counting for Some Files

... clear on this point, seem to suggest that as long as each class is either all ARC or all manually-managed, the classes can be integrated into a single program. You only can't mix ARC and non-ARC in a single class; the document says that sending retain, release, autorelease, or retainCount messages...
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What does “yield break;” do in C#?

...Out.WriteLine("You will see me"); Note that after the loop has completed all its cycles, the last line gets executed and you will see the message in your console app. Or like this with yield break: int i = 0; while (true) { if (i < 5) { yield return i; } else { ...
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ActiveRecord: List columns in table from console

... Great! Using Model.columns provides all the information for a table through ActiveRecord. Crucially for me it was the only and easiest way to gain confidence in what my primary key really was at the database level. – nibbex ...
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How can I plot separate Pandas DataFrames as subplots?

...d indices. When invoking df.plot() , I get separate plot images. what I really want is to have them all in the same plot as subplots, but I'm unfortunately failing to come up with a solution to how and would highly appreciate some help. ...
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What is an “unwrapped value” in Swift?

...st, you have to understand what an Optional type is. An optional type basically means that the variable can be nil. Example: var canBeNil : Int? = 4 canBeNil = nil The question mark indicates the fact that canBeNil can be nil. This would not work: var cantBeNil : Int = 4 cantBeNil = nil // can...
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Python logging not outputting anything

... @Ben where does it say that? All I can see is "The default level is WARNING, which means that only events of this level and above will be tracked, unless the logging package is configured to do otherwise." – Omri Barel ...
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Storyboard warning: prototype table cells must have reuse identifiers

... If you have more than 1 prototype cells, you must give them all an indetifier, else just set the number to one in the prototype cell – user1700737 Oct 21 '14 at 12:26 ...
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Cannot set content-type to 'application/json' in jQuery.ajax

...S header is used to find out if the request from the originating domain is allowed. Using fiddler, I added the following to the response headers from my server. Access-Control-Allow-Origin: * Access-Control-Allow-Headers: Content-Type Access-Control-Allow-Methods: POST, GET, OPTIONS Once the b...
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Comparison between Corona, Phonegap, Titanium

...on the mostly voted answer on top. The bad thing is stackoverflow does not allow new members to post comments. So I have to make this comment more look like an answer. Rory Blyth's answer contains some valid points about the two javascript mobile frameworks. However, his key points are incorrect. T...
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What's the difference between a web site and a web application? [closed]

... This is totally personal and subjective, but I'd say that a website is defined by its content, while a web application is defined by its interaction with the user. That is, a website can plausibly consist of a static content repository ...