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dispatch_after - GCD in Swift?

...patch_block_t?) dispatch_time_t is a UInt64. The dispatch_queue_t is actually type aliased to an NSObject, but you should just use your familiar GCD methods to get queues. The block is a Swift closure. Specifically, dispatch_block_t is defined as () -> Void, which is equivalent to () -> (). ...
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How to capture UIView to UIImage without loss of quality on retina display

...IGraphicsBeginImageContext uses a fixed scale factor of 1.0, so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly scale it up or just your brain is picking up on it being less sharp than everyt...
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How to know/change current directory in Python shell?

...now how to change. edit Under Windows: set PYTHONPATH=%PYTHONPATH%;C:\My_python_lib (taken from http://docs.python.org/using/windows.html) edit 2 ... and even better: use virtualenv and virtualenv_wrapper, this will allow you to create a development environment where you can add module paths ...
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Django self-referential foreign key

...ning the model property. If the property were being defined as part of the __init__() or another method, it would be, as self is always the first positional argument to any instance method of a Python class. – Brandon Nov 2 '16 at 12:58 ...
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What's the Best Way to Shuffle an NSMutableArray?

...o be flipped only if the result is the opposite of the side that was originally up? – Kristopher Johnson Oct 22 '12 at 17:00 ...
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GitHub clone from pull request?

...sing the -b option and for pull request: git clone https://github.com/user_name/repo_name.git -b feature/pull_request_name dir_name In your case, the branch you want to clone is the source branch of the pull request (feature/mongoose-support): git clone https://github.com/berstend/frappe.git -b ...
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How to return a 200 HTTP Status Code from ASP.NET MVC 3 controller

... 200 is just the normal HTTP header for a successful request. If that's all you need, just have the controller return new EmptyResult(); share | improve this answer | foll...
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Do I cast the result of malloc?

... someone suggested in a comment that I should not cast the result of malloc , i.e. 29 Answers ...
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Utils to read resource text file to String (Java) [closed]

...useDelimiter("\\A").next(); Guys, don't use 3rd party stuff unless you really need that. There is a lot of functionality in the JDK already. share | improve this answer | f...
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How to remove multiple indexes from a list at the same time? [duplicate]

...t-in operation to remove a number of indexes at once. Your example is actually a contiguous sequence of indexes, so you can do this: del my_list[2:6] which removes the slice starting at 2 and ending just before 6. It isn't clear from your question whether in general you need to remove an arbitr...