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Difference between Observer, Pub/Sub, and Data Binding

...ssemon heh, no problem; the observer pattern is definitely the "abstractly best" approach that I'm aware of, but my horrible little example would also "do data binding", albeit in a chaotic and inefficient manner. – JerKimball Mar 28 '13 at 17:40 ...
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How to convert JSON data into a Python object

...der is not guaranteed, but I was wrong. The docs say: "If keys, values and items views are iterated over with no intervening modifications to the dictionary, the order of items will directly correspond.". Good to know for such small, local code blocks. I'd add a comment though to explicitly alert ma...
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Can you build dynamic libraries for iOS and load them at runtime?

...y/Xcode/Specifications/iPhone Simulator ProductTypes.xcspec 2. Locate the item in the “MacOSX Product Types.xcspec” that has the product type com.apple.product-type.library.dynamic and drag it to the “iPhone Simulator ProductTypes.xcspec”. 3. Open “MacOSX Package Types.xcspec” and ...
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Linq list of lists to single list

... flattenedList = listOfLists.SelectMany(d => d).ToList(); foreach (int item in flattenedList) { Console.WriteLine(item); } And the out put will be: 1 2 3 4 5 6 11 12 13 14 15 16 Press any key to continue . . . sh...
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What REST PUT/POST/DELETE calls should return by a convention?

...makes perfect sense that the client will need to be able to access the new item. share | improve this answer | follow | ...
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Undo VS 'Exclude from project'?

...In the absence of an actual undo option you could select Add > Existing Item... to re-add the item you've just excluded. share | improve this answer | follow ...
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What is the difference between FragmentPagerAdapter and FragmentStatePagerAdapter?

...ve multiple Buttons and TextViews in Fragment1 and ListView which generate items dynamically in Fragment2 and Fragment3. Do you think it is a good idea to use FragmentStatePagerAdapter and store all data in Activity, passing it to Fragments via Bundle? – AlexMomotov ...
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NameError: name 'reduce' is not defined in Python

...es can be written in a more readable fashion. For me, it's by writing sum(item['key'] for item in list_of_dicts). – connorbode Mar 4 '17 at 22:15 ...
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Creating a segue programmatically

...t in code. Ok, next I'm going to segue using a programmatic bar button item. In viewDidLoad or somewhere else I'll create a button item on the navigation bar with this code: UIBarButtonItem *buttonizeButton = [[UIBarButtonItem alloc] initWithTitle:@"Buttonize" ...
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OS X Terminal Colors [closed]

...s coloring of your terminal. LSCOLORS=... specifies how to color specific items. After editing .bash_profile, start a Terminal and force the changes to take place by executing: source ~/.bash_profile Then go to Terminal > Preferences, click on the Profiles tab and then the Text subtab and ch...