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Tại sao chuyển đổi bản ghi sang định dạng pandas DataFrame, data.Time[1] có thể được hiển thị, trong khi dữ liệu.Thời gian[-1] sẽ báo lỗi.
Created 2021-09-18 00:20:34
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import numpy
import pandas as pd
def main():
x = 0
while x == 0:
exchange.SetContractType("m888")
record = exchange.GetRecords()
data = pd.DataFrame(record)
Log (("Thời gian bắt đầu:",_D(data['Time'][1]/1000))
Log (("Lần cuối cùng:",_D(data['Time'][-1]/1000))
x = x + 1
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