佛教音乐歌曲有哪些？在顺境中修行，永远不能成佛。？

How to improve compare of item in sorted List<MyItem> with item before and after current item?

Does anyone know about a good way to accomplish this task? Currently i\'m doing it more ore less this way, but i\'m feeling someway unhappy with this code, unable to say what i could immediately impr