Twitter snowflake approach is cool

I was researching a solution to generate unique IDs and I liked the Twitter snowflake approach…

How to design a URL Shortener?

These are my notes about how to design a URL shortener.

What is a URL Shortener Service?

• It is for generating shorter aliases for long URLs.
• Common system interview question

PHP Output Buffering

Here are my notes about output buffering in PHP.

What is PHP Output Buffering?

Cognitive load in software engineering

Here are my notes about cognitive load in software engineering.

Test PHP codes with PHPUnit

How to test PHP codes with PHPUnit. Testing with php.

Do you think long functions are a good idea?

People always ask questions like, “How long should functions be”, “When is a…