i'm building 2 cron-jobs regularly searches new tweets , instagram photos(and potentially more services) based on tag. the content saved database , later outputted webpage. allows faster loading , more importantly ability remove tweets not displayed. i want make sure no posts saved twice in database , not sure approach best. here options consider: i use laravel , has ability demand postid unique, make database refuse when try save existing posts. might render unnesseary sql-queries though. i check database latest saved post id , stop loop once post. atleast in twitter, can pass parameter since_id, wich allows me latest posts. haven't found same parameter in instagram , wouldn't work html-scraping either. twitter provides 'created_at' value, giving date , time tweet created. each time cron job runs, store date , time, on next run, upload tweet if date/time prior value of 'created_at'. i'm not familiar instagram, sorry - assume s...
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