Product Version = NetBeans IDE 8.0.2 (Build 201411181905)
Operating System = Windows 7 version 6.1 running on amd64
Java; VM; Vendor = 1.7.0_40
Runtime = Java HotSpot(TM) 64-Bit Server VM 24.0-b56
gcc 4.8.3
cygwin

getColumns() is flagged as an error *unable to resolve identifier) in sidebar but compiles and builds correctly. The diagnostic message should be removed.
 
main.cpp
   if (open(filename, *vec)) {
      StringPartition* partition = new StringPartition(vec, debugFlags);
      vec->shrink_to_fit();
      Generate*        hashFunction = new Generate( vec
                                                  , partition->getColumns());
      delete partition;
   }

StringPartition.h

  class StringPartition {
      public:
          vector<long> getColumns() { return columns; }
  }