如何解决如何在卡尔达诺节点中找到当前的 a0 参数
他们有没有办法从节点获取 a0 参数的当前值? 在配置文件中找不到参数。这些在节点启动时不会作为参数传递。
解决方法
您可以使用 library(tidyverse)
mytibble <- tribble(
~shopid,~oldvarname,~postcode1,~postcode2,~postcode3,"A","postcode","A110","B220","Z112","itemssold","10","20","30","B","A214","C112",NA,"15","C","A221","4",NA)
df1 <- mytibble %>%
filter(oldvarname=="postcode") %>%
pivot_longer(
cols = starts_with("postcode"),names_to = "names",values_to = "postcode"
) %>%
select(-oldvarname,-names) %>%
drop_na()
df2 <- mytibble %>%
filter(oldvarname=="itemssold") %>%
pivot_longer(
cols = starts_with("postcode"),values_to = "itemssold"
) %>%
select(-oldvarname,-names) %>%
drop_na()
df1$itemssold <- df2$itemssold
获取协议参数:
curCart =[{sku:1,name:product1,qty:1 price:5},{sku:1,{sku:2,name:product2,qty:1 price:10}]
[...new Map(curCart.map((item) => [item.sku,item])
).values(),] // returns [{sku:1,qty:1 price:10}]
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