code: public WrappedByteBuffer putShortAt(int index, short v) {
          _checkForWriteAt(index, 2);
          _buf.putShort(index, v);
          return this;
      }
docs: Puts a two-byte short into the buffer at the specified index.
  
  @param index the index
  @param v the two-byte short
  
  @return the buffer