Software Engineering

Sometimes ticket systems sell the same seat twice, and usually nobody wrote a wrong line of code. Let's find out what a TOCTOU race condition is, and how to fix it, from this article!

Proxy servers are a crucial concept in 'Software engineering' and 'System design'. Let's learn about the difference between 'forward proxy' and 'reverse proxy' in brief from this article.

A definitive guide to authentication for software developers!

In our day-to-day programming, we use 'String' a lot. Like a really lot! There are some important concepts regarding Strings that every programmer should know. Let's learn them from this article!

Webhook is an interesting and useful concept in Web development. In this article, I tried to explain this concept very simply with a real-life scenario.

Jumping straight into code breeds wrong assumptions and tech debt. Understand the problem first — analyze requirements, ask questions, share designs early.

Is there any difference between 'Observer' and 'Pub-sub design pattern'? Some say, yes there is. Some say they are the same. Let's find out from this article.