Skip to content

Instantly share code, notes, and snippets.

View navind062g's full-sized avatar
🎯
Focusing

Navin Dhirwani navind062g

🎯
Focusing
View GitHub Profile
<?
# MIT license, do whatever you want with it
#
# This is my invoice.php page which I use to make invoices that customers want,
# with their address on it and which are easily printable. I love Stripe but
# their invoices and receipts were too wild for my customers on Remote OK
#
require_once(__DIR__.'/../vendor/autoload.php');

Becoming a Spring Certified Professional without the Core Spring Course

Until recently, the only way you could become a Certified Spring Professional was to take Pivotal’s compulsory, 4-day, Core Spring training course. On completion of the course, participants received an exam voucher that allowed them to schedule an exam at a certification centre.

At approximately £2.5k per attendee, the course is not cheap putting certification out of the reach of many self-funded developers and those that work for organisations without generous training budgets.

In May 2017 Pivotal changed their policy. Spring Certification Exams became available for individual purchase without enrolling in the course. I set out to see if it was possible to pass the exam without the Core Spring course and only using publically available material.

I set myself a budget of £250, ap

@vasanthk
vasanthk / System Design.md
Last active October 26, 2025 06:15
System Design Cheatsheet

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

  1. Clarify and agree on the scope of the system
  • User cases (description of sequences of events that, taken together, lead to a system doing something useful)
    • Who is going to use it?
    • How are they going to use it?