peskal questions

• What might cause Collections.sort(List<T>, Comparator<? super T>) to throw a ClassCastException?
• Single instance of a Java desktop application with argument passing
• How to count the number of lines in a JTextArea, including those caused by wrapping?
• How do I pass a list as a list of arguments in racket?
• A* heuristic to create Bresenham lines

peskal answers