One thread knowledge point, one MongoDB knowledge point, and one thread knowledge point mongodb

One thread knowledge point, one MongoDB knowledge point, and one thread knowledge point mongodb

1 2 // switch the frontend and backend thread execution tasks in the WINForm: 3 protected void RunOnUI (Action action) 4 {5 Invoke (action); 6} 7 8 protected void RunOnBg (Action action) 9 {10 Task. factory. startNew (action); 11} 12 13 // create an index for MongoDB 14 if (idx. count = 1) 15 {16 tbPoints. indexes. createOne (Builders <GpsPoint>. indexKeys. descending (it => it. sn); 17 tms = Convert. toInt32 (DateTime. now-dtStart ). totalSeconds); 18 LogHelper. show ($ "compressed track ~~ {Tms} seconds during index creation "); 19}