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Efficiently get shadow prices in scipy linprog

I have a huge linprog problem of almost 1k variables and restrictions. I can calculate the solution with scipy.optimize.linprog(method='simplex') but I need sha

How to do an upsert on computed columns

I have an insert SQL statement and I would like to update the qty when there is a conflict. The unique index is based on user_id, symbol, ex_date, settle_date.

JavaScript or jQuery to select the last x letters in a string

html: <select id="dropdown"> <optgroup> <option>11111</option> <option>22222</option> </optgroup> <optgroup> &

how Count field using django orm

Hi Everyone i trying to count active and inactive status sepratally, below mention code to count all, i need to count active and inactive status sepratally,pls

Format of email address from Outlook (EX instead of SMTP)

I have a list of first and last names in Excel and I want to utilize that list to look up email address in Outlook using visual basic. I'm using the following

ETL Connector not loading in aws