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Only read selected columns

...ample csv file Download and save the the CSV JDBC driver from this link: http://sourceforge.net/projects/csvjdbc/files/latest/download > library(RJDBC) > path.to.jdbc.driver <- "jdbc//csvjdbc-1.0-18.jar" > drv <- JDBC("org.relique.jdbc.csv.CsvDriver", path.to.jdbc.driver) > con...
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Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?

...r void functions. Predicate and some other special cases also exist. See: https://msdn.microsoft.com/en-us/library/bb534960(v=vs.110).aspx I wonder what the reason was why the language designers opted for Function, Bifunction and did not continue until DecaExiFunction? The answer to the secon...
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Best way to create an empty map in Java

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T-SQL query to show table definition?

... Visit http://www.stormrage.com/SQLStuff/sp_GetDDL_Latest.txt. You will find the code of sp_getddl procedure for SQL Server. The purpose of the procedure is script any table, temp table or object. USAGE: exec sp_GetDDL GMACT or...
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How to check for the type of a template parameter?

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How can I get all constants of a type by reflection?

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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack

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JavaScript, Node.js: is Array.forEach asynchronous?

...rray.forEach and similar, they're available in the Node.js 'async' module: http://github.com/caolan/async ...as a bonus this module also works in the browser. async.each(openFiles, saveFile, function(err){ // if any of the saves produced an error, err would equal that error }); ...
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Wait for a void async method

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Read-only list or unmodifiable list in .NET 4.0

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