C++ code references for FET:

• Qt Documentation:
  https://doc.qt.io/.
• A tutorial on pointers and arrays in C, by Ted Jensen, Chapter 9: Pointers and Dynamic Allocation of Memory:
  http://pweb.netcom.com/~tjensen/ptr/.
  (broken link? A working link might be: https://pdos.csail.mit.edu/6.828/2014/readings/pointers.pdf)
  I used the idea of contiguous memory allocation into the dynamic array. I used the idea in the file src/engine/matrix.h.
• C++ FAQ LITE, by Marshall Cline, Section [13] - Operator overloading, Article [13.12]:
  http://parashift.com/c++-faq-lite/.
  I used the recommendation to add the () operator for a dynamically allocated matrix, which is not necessarily slower. I used the idea in the file src/engine/matrix.h.
• References for the Javascript code to highlight similar entries in the HTML timetables (FET code by Volker Dirr) can be found in Les Richardson's Open Admin for Schools:
  http://www.openadmin.ca/.