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Xcode 4.5 Storyboard 'Exit'

... for your unwind segue and then connect from an element to the exit button selecting the method you wish to call. You can find an example here (I have updated my answer as well to include the example) – Alladinian Oct 22 '12 at 8:18 ...
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When to use MongoDB or other document oriented database systems? [closed]

...cal CRUD stuff. Storing what is essentially a huge hash, and being able to select on any of those keys, is what most people use a relational database for. If your DB is 3NF and you don’t do any joins (you’re just selecting a bunch of tables and putting all the objects together, AKA what most peo...
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How to add an Access-Control-Allow-Origin header

...for the file scroll down to the file click the cog icon click Edit Headers select Access-Control-Allow-Origin add the single character '*' (without the quotes) hit enter repeat for the other files If you need to continue and do #2, then you'll need a command line with CURL curl -D - --header "X-A...
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Should I use #define, enum or const?

... this type. To track the current state of a record and to create a mask to select records in certain states. Create an inline function to test if the value of the type is valid for your purpose; as a state marker vs a state mask. This will catch bugs as the typedef is just an int and a value such as...
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Java to Clojure rewrite

... STM transactional behaviour by wrapping any code in a (dosync ...) block. Select the right overall web framework - Clojure has quite a few already but I'd strongly recommend Ring - see this excellent video "One Ring To Bind Them" plus either Fleet or Enlive or Hiccup depending on your templating p...
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Multiple aggregations of the same column using pandas GroupBy.agg()

... column names The values are tuples whose first element is the column to select and the second element is the aggregation to apply to that column. Pandas provides the pandas.NamedAgg namedtuple with the fields ['column', 'aggfunc'] to make it clearer what the arguments are. As usual, the agg...
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C# DLL config file

...n.GetType() == typeof(ConnectionStringsSection) select section).FirstOrDefault() as ConnectionStringsSection; if (connSection != null) { list.AddRange(connSection.ConnectionStrings.Cast<ConfigurationElement>()); } } /// &l...
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How can I keep my fork in sync without adding a separate remote?

... upstream repository. Visit the URL, click the green "Install" button and select the repositories where you want to enable automatic synchronization. The branch is updated once per hour directly on GitHub, on your local machine you need to pull the master branch to ensure that your local copy is i...
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ReadOnlyCollection or IEnumerable for exposing member collections?

...y of other options for wrapping trivially - the nice thing about Skip over Select/Where is that there's no delegate to execute pointlessly for each iteration.) If you're not using .NET 3.5 you can write a very simple wrapper to do the same thing: public static IEnumerable<T> Wrapper<T>...
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How do I find Waldo with Mathematica?

...at should have Waldo in it. Exclude all other areas (e.g., for each area, select a circle twice as big as the average person size), and then run the process that @Heike laid out with removing all but red, and so on. Any thoughts on how to code this? Edit: Thoughts on how to code this . . . e...