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Android: Getting a file URI from a content URI?

In my app the user is to select an audio file which the app then handles. The problem is that in order for the app to do what I want it to do with the audio files, I need the URI to be in file format. When I use Android's native music player to browse for the audio file in the app, the URI is a cont...
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The opposite of Intersect()

... This code enumerates each sequence only once and uses Select(x => x) to hide the result to get a clean Linq-style extension method. Since it uses HashSet<T> its runtime is O(n + m) if the hashes are well distributed. Duplicate elements in either list are omitted. publi...
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How do I add more members to my ENUM-type column in MySQL?

... do not appear in your ENUM. What is the output of the following command? SELECT DISTINCT country FROM carmake; ANOTHER EDIT: What is the output of the following command? SHOW VARIABLES LIKE 'sql_mode'; Is it STRICT_TRANS_TABLES or STRICT_ALL_TABLES? That could lead to an error, rather than the ...
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Why should I avoid std::enable_if in function signatures

...{} } Tag dispatching does not manipulate the overload set, but helps you select exactly the function you want by providing the proper arguments through a compile-time expression (e.g. in a type trait). In my experience, this is much easier to debug and get right. If you are an aspiring library wri...
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Should I index a bit field in SQL Server?

...ndex would be good because it will order them by value and then be able to select the small working set very quickly. If you agree, add that and I will accept it. – jeremcc Oct 23 '08 at 21:01 ...
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Pick any kind of file via an Intent in Android

... how can I get the selected file ? I guess it's the path, but how ? – Francisco Corrales Morales Nov 26 '14 at 17:31 1 ...
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How add “or” in switch statements?

...sizes: 1=Small 2=Medium 3=Large"); Console.Write("Please enter your selection: "); string s = Console.ReadLine(); int n = int.Parse(s); int cost = 0; switch(n) { case 1: cost += 25; break; ...
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mysql check collation of a table

...ry INFORMATION_SCHEMA.TABLES and get the collation for a specific table: SELECT TABLE_SCHEMA , TABLE_NAME , TABLE_COLLATION FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 't_name'; that gives a much more readable output in contrast to SHOW TABLE STATUS that contains a lot of irreleva...
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How to quickly edit values in table in SQL Server Management Studio?

... Go to Tools > Options. In the tree on the left, select SQL Server Object Explorer. Set the option "Value for Edit Top Rows command" to 0. It'll now allow you to view and edit the entire table from the context menu. ...
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R memory management / cannot allocate vector of size n Mb

...a whole. To use Readyboost, right click on the drive, go to properties and select 'ReadyBoost' and select 'use this device' radio button and click apply or ok to configure.