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Published on 2010-03-25T05:01:40Z
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2010/03/25
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Is there a reason that the object TreeSet.apply method returns SortedSet and not TreeSet?
The following code won't compile in scala 2.7
val t:TreeSet[Int] = TreeSet(1,2,3)
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I've installed ensime according to the README.md file, however, I get errors in the inferior-ensime-server buffer with the following:
INFO: Fatal Error: scala.tools.nsc.MissingRequirementError: object scala not found.
scala.tools.nsc.MissingRequirementError: object scala not found.
at scala…
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When I run M-X ensime-disconnect I get the following forever:
string matching regex `\"((?:[^\"\\]|\\.)*)\"' expected but `^@' found
and I see this exception when I use C-c C-c
Uncaught exception in com.ensime.server.SocketHandler@769aba32
java.net.SocketException: Broken pipe
at java…
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I'm using Scala 2.8.0 and trying to read pipe delimited file like in code snipped below:
object Main {
def main(args: Array[String]) :Unit = {
if (args.length > 0) {
val lines = scala.io.Source.fromPath("QUICK!LRU-2009-11-15.psv")
for (line <-lines)
print(line)
}
…
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I don't understand why authors said that Code Listing 9.1 from "Programming in Scala" use closure. In chapter 9, they show how to refactor code into more less duplicated form, from this original code:
object FileMatcher {
private def filesHere = (new java.io.File(".")).listFiles
def filesEnding(query:…
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I am processing a XML document and iterating through nodes. I want to iterate through the nodes and build a new List of some type. How would I do this with Scala:
Here is my XML traverse code:
def findClassRef(xmlNode: Elem) = {
xmlNode\"classDef" foreach { (entry) =>
val name…
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Is there a reason that the object TreeSet.apply method returns SortedSet and not TreeSet?
The following code won't compile in scala 2.7
val t:TreeSet[Int] = TreeSet(1,2,3)
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Is there a VB.NET equivalent to java.util.TreeSet?
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e.g. The code below throws a ClassCastException when the second Object is added to the TreeSet. Couldn't TreeSet have been written so that the type parameter can only be a Comparable type? i.e. TreeSet would not compile because Object is not Comparable. That way generics actually do their job - of…
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I am piping in a file and storing it into a treeset. I am trying to count unique words..
I am placing words that i dont want into a hashset. "a","the", "and"
I want to check to see if the file contains those words, before i place them into
the TreeSet..
i know i need some sort of if(word == find)…
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List<MyClass> myclassList = (List<MyClass>) rs.get();
TreeSet<MyClass> myclassSet = new TreeSet<MyClass>(myclassList);
I don't understand why this code generates this:
java.lang.ClassCastException: MyClass cannot be cast to java.lang.Comparable
MyClass does not implement…
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