how to ensure my pos system only print one copy

Lezárva Kiadva: 4 évvel ezelőtt Kiszállításkor fizetve
Lezárva Kiszállításkor fizetve

I need a responsive website. I already have a design for it, I just need it to be built.

i have established a pos system. I want it to print normally when my user has placed a new order. although i have written the code to print once, it print twice for one new order once a while.

Mobile App Development HTML

Projektazonosító: #20072534

A projektről

10 ajánlat Távolról teljesíthető projekt Utoljára aktív: 4 évvel ezelőtt

10 szabadúszó tett átlagosan 153$ összegű árajánlatot erre a munkára

dreammate0621

Hello! I am a web developer. I have checked your project description. I can build it If you hire me, I am gonna do my best for our project. I guarantee the good result. I will wait for your reply. Thank you.

$155 USD 3 napon belül
(25 vélemény)
5.6
BlackEagle86

Hi, How are you? Hope you are going well! I checked your project carefully, so that i feel very confident in your project because I am talented web and mobile app developer with 6 years experiences. If you give me al Továbbiak

$155 USD 3 napon belül
(24 vélemény)
5.5
liwang555

Hi, I have checked your requirements and very interested in your project. I have rich of Mobile app development for over 5 years. *** Here are my experienced section *** Social SDKs(Facebook, Twitter, Admob Továbbiak

$155 USD 3 napon belül
(1 Visszajelzés)
1.3
nishesh13

I can help you with your printing issue and also I can contribute to your POS system as I am having 5+ yrs of experience inventory management system.

$70 USD 5 napon belül
(0 vélemény)
0.0