我试图删除数组的所有重复和空元素,然后对其进行排序。cities = [js.city for js in company_jscollects] cities_unique = list(sorted(set(cities)))Django版本: 2.0.4异常类型: TypeError异常值:异常位置: D:..\views.py in dashboard_analytic
, String> sorting; // HashMap because Jackson doesn't like interfaces (?)org.springframework.http.converter.json.MappingJacksonHttpMessageConverter" /> </mvc:annotation-driven>
我使用Angular.
我有一个已经按一种类型排序的maps列表,但现在我想对该列表进行进一步排序Collections.sort(list, new Comparator<Map<String,Object>>(){
public int compare(Map<String, Object> m1,Map<String, Object> m2) {
return m1compareTo(