Today only! Subscribers to the Harper newsletter #flashsale 50% off all books including the #PLKane #thrillers Links below #crimefiction #murdermysterybooks #whodunnit #serialkillers

https://harpercollins.co.uk/products/her-last-secret-p-l-kane?variant=32560621486158

https://harpercollins.co.uk/products/her-husbands-grave-p-l-kane?variant=32550657130574

https://harpercollins.co.uk/products/the-family-lie-p-l-kane?variant=39458509520974

Coupon Abuse Guard for Flash Sales

Block stolen coupons fast with per-user and per-IP limits.

#php #python #couponabuse #ratelimiting #fraudprevention #flashsale #backendsafety #velocitychecks #security #viralcoding

https://www.youtube.com/watch?v=2Yk0G3PL_rY

Ends at 1pm! Subscribers to the Harper newsletter #flashsale 50% off all books including the #PLKane #thrillers Links below #crimefiction #murdermysterybooks #whodunnit #serialkillers

https://harpercollins.co.uk/products/her-last-secret-p-l-kane?variant=32560621486158

https://harpercollins.co.uk/products/her-husbands-grave-p-l-kane?variant=32550657130574

https://harpercollins.co.uk/products/the-family-lie-p-l-kane?variant=39458509520974

JS vs PHP Coupon Guard: Flash Sale Chaos Stopper

Detect repeat abusers and save your margins.

#php #javascript #couponabuse #flashsale #fraud #growth #viralcoding #codecomparison #ecommerce #revenue

https://www.youtube.com/watch?v=13wVg7RpHqM

Session Race Condition Charges 47,000 Cards TWICE?!

SESSION RACE DISASTER! Flash sale network lag creates 340ms race condition! 47K customers charged TWICE ($299.99 x 2)! $14.1M overcharged! Payment processor SUSPENDED account! CTO RESIGNED!

#php #phpdisaster #session #racecondition #doublecharge #paymentfailure #productionbug #phpshorts #phpwtf #financialdisaster #careerending #flashsale

https://www.youtube.com/watch?v=XxcL_SlmywI

🎶 On the twelfth Yuletide Flash Sale, Inked Goddess gave to me... 🎶
~ $5 Off 2026 Busy Witch Monthly Date Planner! ~

We hope you've had as much fun with this as we have! Have a blessed Yule! https://www.inkedgoddesscreations.com/collections/12-yuletide-flash-sales

#12YuletideFlashSales #MerryWitchmas #InkedGoddessCreations #FlashSale