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
我目前正在开发一个Android应用程序,虽然在Jelly Bean模拟器上一切正常,但在2.2模拟器上我得到了以下错误:10-11 22:26:35.853: E/AndroidRuntime(303): at android.view.View.layout(View.java:7035)
10-1110-11 22:26:35.853: E/AndroidRuntime(303): at