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822: Receipt Printer with JavaScript

Syntax - Tasty Web Development Treats

Full Stack Developers Wes Bos and Scott Tolinski dive deep into web development topics, explaining how they work and talking about their own experiences. They cover from JavaScript frameworks like React, to the latest advancements in CSS to simplifying web tooling.

Wes unveils his Hack-Week project —a thermal printer controlled by JavaScript that prints out Sentry.io errors in real-time. Scott and Wes dive into the nitty-gritty of how it works, from the ESC/POS protocol to tackling socket issues, and whether the project was worth the effort. Show Notes  00:00 Welcome to Syntax! 00:38 Brought to you by Sentry.io. 01:10 What is Hack Week? 01:41 The project. Follow the posts on X.  02:40 Why a receipt printer? 03:55 How do these printers work?  ESC/POS.  05:20 Communicating with the printer. 07:24 ESC/POS Encoder. ESC/POS Encoder. 08:42 Socket issues. 09:56 Using Transformers.js to stop ‘toxic comments’. Xenova’s toxic-bert. Implementation in Wes’ code.  10:48 Back to socket issues. 12:18 Integrating with Sentry. 15:01 Printing images with Playwright. 16:17 Was it worth it?  Hit us up on Socials! Syntax: X Instagram Tiktok LinkedIn Threads Wes: X Instagram Tiktok LinkedIn Threads Scott: X Instagram Tiktok LinkedIn Threads Randy: X Instagram YouTube Threads

Wes unveils his Hack-Week project —a thermal printer controlled by JavaScript that prints out Sentry.io errors in real-time. Scott and Wes dive into the nitty-gritty of how it works, from the ESC/POS protocol to tackling socket issues, and whether the project was worth the effort.
 Show Notes  00:00 Welcome to Syntax!
 00:38 Brought to you by Sentry.io.
 01:10 What is Hack Week?
 01:41 The project. Follow the posts on X.

 02:40 Why a receipt printer?
 03:55 How do these printers work?  ESC/POS.

 05:20 Communicating with the printer.
 07:24 ESC/POS Encoder.
 ESC/POS Encoder.
 08:42 Socket issues.
 09:56 Using Transformers.js to stop ‘toxic comments’. Xenova’s toxic-bert.
 Implementation in Wes’ code.

 10:48 Back to socket issues.
 12:18 Integrating with Sentry.
 15:01 Printing images with Playwright.
 16:17 Was it worth it?
  Hit us up on Socials! Syntax: X Instagram Tiktok LinkedIn Threads
 Wes: X Instagram Tiktok LinkedIn Threads
 Scott: X Instagram Tiktok LinkedIn Threads
 Randy: X Instagram YouTube Threads

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822: Receipt Printer with JavaScript

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