FAQ Database Discussion Community

Is the the transactionReceipt data present in dataWithContentsOfURL?

I do IAP receipt verification on server-side. For this I send SKPaymentTransaction' transactionReceipt. Now that transactionReceipt is deprecated, I tried to use: [[NSBundle mainBundle] appStoreReceiptURL] But this is not the same data (so verification of course fails). It's actually about twice as big, so I thought it could embed the...

How to improve speed with Receipt printer and ESC/POS commands in Java

I have an application that communicates with a thermal printer in Java and makes the thermal printer print receipts with a barcode/emphasis/different sizes and so forth using a Star tsp 100 Printer. I can make the program print exaclty what i like but the printer is very slow. I believe...