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Version of SQLite used in Android?

...r cursor = SQLiteDatabase.openOrCreateDatabase(":memory:", null).rawQuery("select sqlite_version() AS sqlite_version", null); String sqliteVersion = ""; while(cursor.moveToNext()){ sqliteVersion += cursor.getString(0); } This is just a piece of quick, dirty code to retrieve the sqlite version. ...
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What can you use Python generator functions for?

...uld like to update Alexa rank for each domain. First thing you need is to select your domain names from the database. Let's say your table name is domains and column name is domain. If you use SELECT domain FROM domains it's going to return 100 million rows which is going to consume lot of memory...
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Add unique constraint to combination of two columns

....YourTable INSTEAD OF INSERT AS BEGIN SET NOCOUNT ON; IF NOT EXISTS (SELECT 1 FROM inserted AS i INNER JOIN dbo.YourTable AS t ON i.column1 = t.column1 AND i.column2 = t.column2 ) BEGIN INSERT dbo.YourTable(column1, column2, ...) SELECT column1, column2, ... FROM ins...
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One-liner to recursively list directories in Ruby?

...elsif child.directory? rec_path(child, file) + [child] end end.select { |x| x }.flatten(1) end # only directories rec_path(Pathname.new(dir), false) # directories and normal files rec_path(Pathname.new(dir), true) ...
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Why does Sql Server keep executing after raiserror when xact_abort is on?

... catch block will be executed on raiserror("message", 17, 1) begin catch select @ErrorNumber = ERROR_NUMBER(), @ErrorMessage = ERROR_MESSAGE(), @ErrorSeverity = ERROR_SEVERITY(), @ErrorState = ERROR_STATE(), @ErrorLine = ERROR_LINE(), @ErrorProcedure = ERROR_PROCEDURE(); inser...
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How to clear a notification in Android

... I don't know why this isn't upvoted more and selected as the answer. This was the solution I was looking for. Thanks! – loeschg Jan 29 '13 at 23:48 3 ...
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Calculate the median of a billion numbers

...r sending data over a network to be faster than sorting it (let alone just selecting the median) it needs to be a pretty damn fast network. Might be a better prospect if the network can be presumed to be instantaneous, for example if you have 100 cores with equal access to RAM containing the data. ...
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Eclipse error: “The import XXX cannot be resolved”

... might be a JRE issue. Try selecting an "alternate JRE" in the project properties. – dogbane Dec 1 '10 at 10:17 10 ...
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Determine version of Entity Framework I am using?

..."; var assemblies = System.AppDomain.CurrentDomain.GetAssemblies().Select(x => x.FullName).ToList(); foreach(var asm in assemblies) { var fragments = asm.Split(new char[] { ',', '{', '}' }, StringSplitOptions.RemoveEmptyEntries).Select(x=> x.Trim()).ToList()...
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Is it possible to roll back CREATE TABLE and ALTER TABLE statements in major SQL databases?

...es. Also, not all situations are quite handled- for example, if you try to select from table foo while another transaction is dropping it and creating a replacement table foo, then the blocked transaction will finally receive an error rather than finding the new foo table. (Edit: this was fixed in o...