Github user srowen commented on a diff in the pull request:

    https://github.com/apache/spark/pull/653#discussion_r12346795
  
    --- Diff: docs/configuration.md ---
    @@ -26,10 +26,10 @@ application name), as well as arbitrary key-value pairs 
through the `set()` meth
     initialize an application as follows:
     
     {% highlight scala %}
    -val conf = new SparkConf()
    -             .setMaster("local")
    -             .setAppName("My application")
    -             .set("spark.executor.memory", "1g")
    +val conf = new SparkConf().
    +             setMaster("local").
    --- End diff --
    
    Agree, although on re-reading I think the purpose of this snippet is to 
explain how one would invoke Spark programmatically via `SparkConf` (or else 
the whole thing should go away). It is something you might want to do in a 
Scala program, and might even want to pop into a Scala REPL (i.e. not 
`spark-shell`). I suggest leaving it; am I really off-base on that?


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