Codewithjason.com April 2024 Coupon Codes

ChatGPT tip: Don't use ChatGPT to write production code. Instead use it to save all that time you spend e.g. reading library docs to figure out how to integrate the library into your app. That's ** higher-leverage.

Posted 12 months ago (01 May 2023)

The Complete Guide to Rails Testing sale starts today! Use code for 25% off. Sales ends Friday at 8pm Eastern.

Posted 1 year ago (12 December 2022)

Programming tip: When deciding what args a method/constructor should take, use the ** amt of info necessary in order for the method/object to do its job. Otherwise you create a "blurry boundary" which makes the code harder to understand.

Posted 1 year ago (25 October 2022)

Ruby DSL Demystified, along with an updated version of The Complete Guide to Rails Testing, are now available! You can use discount code to get 30% off any package at the following link.

Posted 2 years ago (15 August 2022)

The new version of The Complete Guide to Rails Testing, with 8 new chapters on Ruby DSLs, is out now! You can use discount code to get 25% the normal price.

Posted 2 years ago (07 February 2022)

Tickets for my March 2022 Docker workshop in Las Vegas are now on sale. You can use discount code to get $500 off.

Posted 2 years ago (17 November 2021)

Docker for Beginners is now available. The book covers images, containers, volumes, and Docker Compose. Includes a tutorial that helps you Dockerize a small web app. Use code to get 25% off.

Posted 2 years ago (01 November 2021)

My take on the Single Responsibility Principle: Originally appeared on Code with Jason. The Single Responsibility Principle () is an object-oriented programming principle that says (more or less) that each object should only have one responsibility.…

Posted 3 years ago (30 September 2021)

The Complete Guide to Rails testing is now available for purchase. Use discount code to get 25% off.

Posted 3 years ago (17 May 2021)

Rails Testing for Beginners is out today! This week you can use discount code to get $20 off the book.

Posted 5 years ago (18 March 2019)

By the way, you can use the discount code to get 25% the Job Search Manual for Developers.

Posted 6 years ago (06 February 2018)