Mykola

About:

Mykola is a software engineer passionate about tech, books, and mountains, sharing insights on software engineering and technology on the n0rdy blog.

Website:

n0rdy.foo

Specializations:

Software engineer Software Developer

Interests:

Tech Books Mountains

Outgoing Links:

Gregory Simon Willison
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0n0rdy - When Postgres index meets Bcrypt

2025-01-31 •

The text discusses a performance issue with a service that took 10+ seconds to follow a 3-step flow. The issue was traced back to the use of the Bcrypt hashing algorithm in the Postgres database. The author debugged the issue by r...

0n0rdy - What Okta Bcrypt incident can teach us about designing better APIs

2025-01-22 •

The text discusses the Okta security incident involving the Bcrypt algorithm, which allowed users to authenticate by providing the username with the stored cache key of a previous successful authentication. The author explores how...

0n0rdy - TIL: Ghostty - a new and quite promising terminal emulator

2025-01-18 •

The author discusses their preference for longreads but also the appeal of short posts. They mention their experience with terminal apps and their recent interest in Ghostty, a new terminal emulator. They highlight the features of...

0n0rdy - Demystifying OTPs: the logic behind the offline generation of tokens

2024-12-10 •

The text discusses the offline generation of one-time tokens (OTPs) and the logic behind it. The author received a device from their bank that generates 6-digit tokens for multi-factor authentication. The author explores how the d...

0n0rdy - JWT, JWS, JWE and how to cook them

2024-03-28 •

The text explains the concept of JSON Web Tokens (JWT), their structure, types, and use cases. It uses a real-life example of two friends passing messages written on a piece of paper to illustrate the concept. The text also discus...

0n0rdy - Understanding CORS

2024-01-03 •

The text is about understanding CORS, which is explained through a real-life example and its relation to software engineering. It also discusses CSRF attacks and provides code examples for both the backend and frontend. The author...

0n0rdy - AI tools for software engineers: 5 things to be careful about/aware of

2023-12-26 •

The text discusses the growing importance of AI tools for software engineers and the potential pitfalls to be aware of. It highlights the need for careful consideration of AI tool suggestions, the XY problem, the importance of cod...

0n0rdy - Go concurrency simplified. Part 4: Post office as a data pipeline

2023-12-21 •

The text is about the author's experience moving to a new place and working on Part 4 of the 'Go concurrency simplified' series. It discusses the use of Go concurrency concepts to make the queue handling process at the post office...

0n0rdy - Go concurrency simplified. Part 3: Managing channels with for loops and select statements

2023-12-14 •

The text discusses the use of for loops and select statements to manage channels in Go concurrency. It provides code examples and explanations for managing multiple channels and avoiding deadlock situations. The author also introd...

0n0rdy - Go concurrency simplified. Part 2: Syncing goroutines with sync.WaitGroup

2023-12-11 •

The text discusses Go concurrency and how to sync goroutines using sync.WaitGroup. It explains the use of channels and the capacity of channels in Go. It also introduces a new function to listen to the desk channel and receive ite...

0n0rdy - Go concurrency simplified. Part 1: Channels and goroutines

2023-12-07 •

The text discusses the concept of concurrency in the Go programming language. It uses a real-life example of a post office to explain the 'consumer-producer' problem and how it can be optimized using Go. The author introduces the ...

0n0rdy - About

0001-01-01 •

Mykola, a software engineer, runs the n0rdy blog about software engineering and technology. He is passionate about tech, books, and mountains. The blog covers various aspects of software engineering and technology, with a focus on...