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Hi,Masters: I have a task to calculate a value, which includes 2variables and should be implemented with recursion restate. The formula is simple: Fn = Fn-1 * 2+ An (Given conditions:F0 = 10, A = 1 + til 5) I implemented the part of “Fn =Fn-1 * 2“ in...

Hi, Masters: I have an environment(gateway, tickplanter, rdb, hdb...) running at the Anaconda platform with EmbedyPy. There're several scripts running and ports mounted. As Kx released the Kx Developer, I had installed it and it runs fine. But my que...

Hi, Dear Masters: I believe you must had met the issue: Say, we have a EOD table, which contains historical data. There's a field "pctchange" which means percent change. I want to count how many days the pctchange less than 0, more than 0 and equal 0...

Hi, Dear all: I'm trying to draw the MACD curve based on Close Price. You know, MACD are based on the EMA short(12 periods) and EMA long(26 periods). So, I write a function to do the calculation. ''' / calculate expma, cp: Close Price; n: n_period ca...

Hi, Masters: I have a FeedHandler running at Windows10 and written by C++. But I found it's performance is poor, especially more than 3000 Stocks realtime data be fed. I read the "C++ Feed Handler Whitepaper" doc, the DLL and socketpair were introduc...