Weighted Average Maturity of the mortgage pooldef WAM(tup):
return (x[0] * (x[2]/12) + y[0] * (y[weightedAM(tup):
sum_val = sum(amount for amount, rate, t
下面是堆栈跟踪:10-10 15:52:56.487: ERRORandroid.view.InflateException: Binary XML file line #17: Error inflating class android.widget.Spinner
10AndroidRuntime(4187): at android.app.ActivityThread.perf