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Checking quantities for future dates and returning shorts


Checking quantities for future dates and returning shorts

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Checking quantities for future dates and returning shorts
Tag : sql , By : Valentine
Date : December 05 2020, 12:22 PM

This might help you I have two tables Inventory and Orders in SQL Server. , You can try something like this
select date, item,
       sum(case when date > getdate() and buy_sell = 'sell' then -Quantity
                else Quantity
           End) as SumQuantity
from YourTable
group by date, item

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Function only accepting future dates, want both future and current?


Tag : javascript , By : mediafarm
Date : March 29 2020, 07:55 AM
this one helps. In my form, I only want the date entered to be either today or the future. The function I'm using only accepts the future, and I can't figure out why? , Try normalising the dates
function isFutureDate(idate) {
  var today = new Date(), idateParts = idate.split("/");
  today.setHours(12,0,0,0); // or 0,0,0,0 depending on preference
  idate = new Date(idateParts[2], idateParts[1] - 1, idateParts[0],12,0,0,0).getTime();

Scala : Better way to handle returning Future from Yeild to avoid future of future


Tag : scala , By : Bart van Bragt
Date : March 29 2020, 07:55 AM
I wish this helpful for you Consider the below code snippet: , Id put the code inside the for-coprehension:
for {
   substanceTable <- substanceTableF
   mixtureTable <- mixtureTableF 
   result <- {
     if (substanceTable.isEmpty && mixtureTable.isEmpty)
       fallbackResult()
     else
       Future.successful(Some(100))
   }
 } yield result

How to populate quantities between 2 transaction dates


Tag : sql-server , By : Matt Croydon
Date : March 29 2020, 07:55 AM
wish help you to fix your issue You require to generate dates and need to do sum over windowing function as below:
Declare @startdate date = '2017-01-03'
Declare @enddate date = '2017-01-13'

;with Datescte as (
Select top (datediff(day, @startdate, @enddate) +1) Dt = Dateadd(day, Row_Number() over (order by (Select null))-1, @startdate) 
    from master..spt_values s1, master..spt_values s2
    ), cte2 as (
    Select * from 
        ( Select [Date], Prod_name, Qty from #Dates ) a
        pivot (max(Qty) for prod_name in ([ProductA],[ProductB])) p
    )
    Select Dt as [Date], sum(ProductA) over(order by Dt) as [A], Coalesce(sum(ProductB) over(order by dt),0) as [B]
        from Datescte d
        left join cte2 d2
        on d.dt = d2.Date

pandas - total holdings for dates based on transaction quantities and dates


Tag : python-3.x , By : Noah
Date : March 29 2020, 07:55 AM
With these it helps I want to be able to determine the holdings at points in time based on a table of transactions, like this... , Use something like this:
    In [186]: df1
    Out[186]: 
       amount        date
    0       3  2018-10-12
    1       1  2018-10-13
    2       5  2018-10-15

    In [188]: df
    Out[188]: 
            date
    0 2018-10-11
    1 2018-10-12
    2 2018-10-13
    3 2018-10-14
    4 2018-10-15
    5 2018-10-16

    In [192]: d2 = pd.merge(df,df1,on='date', how='left')

    In [193]: d2['cumulative'] = d2.amount.cumsum()
    In [195]: d2
Out[195]: 
        date  amount  cumulative
0 2018-10-11     NaN         NaN
1 2018-10-12     3.0         3.0
2 2018-10-13     1.0         4.0
3 2018-10-14     NaN         NaN
4 2018-10-15     5.0         9.0
5 2018-10-16     NaN         NaN

In [202]: d2 = d2.fillna(method='ffill')

In [203]: d2
Out[203]: 
        date  amount  cumulative
0 2018-10-11     NaN         NaN
1 2018-10-12     3.0         3.0
2 2018-10-13     1.0         4.0
3 2018-10-14     1.0         4.0
4 2018-10-15     5.0         9.0
5 2018-10-16     5.0         9.0

Returning Future[Int] from Future[Option[Int]] with support of Failing the future


Tag : scala , By : Chris Hanley
Date : March 29 2020, 07:55 AM
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