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Azeem Ullah

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Printing a receipt with a logo and Georgian text from a .NET Windows service, without System.Drawing
azeem_ullah profile

Printing a receipt with a logo and Georgian text from a .NET Windows service, without System.Drawing

#dotnet #csharp #printing #tutorial
Comments
8 min read

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I tested a CSV cleaner on data it should leave alone. It failed 4 of 23 checks.
azeem_ullah profile

I tested a CSV cleaner on data it should leave alone. It failed 4 of 23 checks.

#javascript #webdev #testing #opensource
Comments 2
3 min read
WebUSB says "Access denied" to your receipt printer on Windows. Here is who has it.
azeem_ullah profile

WebUSB says "Access denied" to your receipt printer on Windows. Here is who has it.

#webdev #javascript #usb #tutorial
Comments
3 min read
My form wrote a sentence that wasn't true, and the user would have signed it
azeem_ullah profile

My form wrote a sentence that wasn't true, and the user would have signed it

#showdev #javascript #webdev #testing
2
Comments 2
3 min read
The receipt CSS everyone copies, @page { size: 80mm auto }, does nothing in Chrome
azeem_ullah profile

The receipt CSS everyone copies, @page { size: 80mm auto }, does nothing in Chrome

#webdev #css #javascript #tutorial
1
Comments 2
5 min read
"Agent not running" when it is running: Chrome's local network prompt and localhost helpers
azeem_ullah profile

"Agent not running" when it is running: Chrome's local network prompt and localhost helpers

#webdev #javascript #browser #tutorial
Comments 1
5 min read
Printing shipping and product labels from a web app (ZPL and TSPL, no PDF)
azeem_ullah profile

Printing shipping and product labels from a web app (ZPL and TSPL, no PDF)

#webdev #javascript #tutorial #ecommerce
Comments
5 min read
Printing receipts silently from a web app: what actually works in 2026
azeem_ullah profile

Printing receipts silently from a web app: what actually works in 2026

#webdev #javascript #tutorial #pos
Comments
4 min read
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