Link Phoenix debug page stack trace to your editor
You can configure Plug.Debugger to generate links that open the line that caused the error in your editor.
Providing custom error messages for built-in HTML5 form validation
Did you know that you can change the error messages displayed by the browser when using HTML5 form validation features?
CSRF protection in Phoenix
If your Phoenix app uses basic authentication or cookies for authentication, you need to protect it from cross-site request forgery.
How to give great code reviews
If you think the only purpose of a code review is to catch bugs, read this.
Pause CircleCI build until previous build finishes
If you ever configured CircleCI to do a deployment, you probably ran into the problem of two pushes triggering two deployments at the same time. You can prevent that.