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Swift: #warning equivalent

...builds clean in production, but I get a warning in development that essentially reminds me I'm in dev mode - using different URLs, timeouts, other settings etc. Arie's suggestion above lets me do this, your technique just flags everything. That said, this technique has its use for sure so I up voted...
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What's the difference between a Python “property” and “attribute”?

I am generally confused about the difference between a "property" and an "attribute", and can't find a great resource to concisely detail the differences. ...
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How to list out all the subviews in a uiviewcontroller in iOS?

I want to list out all the subviews in a UIViewController . I tried self.view.subviews , but not all of the subviews are listed out, for instance, the subviews in the UITableViewCell are not found. Any idea? ...
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Convert string to Python class object?

... there's a class with that name in the currently defined namespace. Essentially, I want the implementation for a function which will produce this kind of result: ...
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Suppressing deprecated warnings in Xcode

With all the SDKs floating around, it's handy to be able to build for multiple SDKs and platforms. However, bouncing from 3.2 to 3.0 and even occasionally 2.x, I frequently get deprecated warnings involving methods that have changed or been superseded: ...
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Python Linked List

...le to reference separate parts of them. Make them immutable and they are really easy to work with! 28 Answers ...
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How do I print a list of “Build Settings” in Xcode project?

... 4.1 ACTION build AD_HOC_CODE_SIGNING_ALLOWED NO ALTERNATE_GROUP staff ALTERNATE_MODE u+w,go-w,a+rX ALTERNATE_OWNER username ALWAYS_SEARCH_USER_PATHS YES...
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Is there an expression for an infinite generator?

... for x in iter(int, 1): pass Two-argument iter = zero-argument callable + sentinel value int() always returns 0 Therefore, iter(int, 1) is an infinite iterator. There are obviously a huge number of variations on this particular theme (especially once you add lambda into the mix). One va...
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Python nested functions variable scoping [duplicate]

I've read almost all the other questions about the topic, but my code still doesn't work. 10 Answers ...
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How do I check if a list is empty?

...cMahon - it's a trade-off between explicitness and type flexibility. generally, "being explicit" means not doing "magical" things. on the other hand, "duck typing" means working with more general interfaces, rather than explicitly checking for types. so something like if a == [] is forcing a part...