Yusuf İhsan Görgel

Software Engineer from Turkey. Building SaaS products with Flutter and Go. 12 production apps, open-source tools, and too much coffee.

Joined on Apr 3, 2026

Yusuf İhsan Görgel

Jul 24

The object that falls out of the Set it is still in — mutable hashCode in Dart

#dart #flutter #debugging #programming

4 min read

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Yusuf İhsan Görgel

Jul 24

My CI ran on three platforms and still could not catch this

#testing #c #cicd #debugging

6 min read

Yusuf İhsan Görgel

Jul 24

The 24.8 milliseconds you pay before ffmpeg decodes a single sample

#showdev #dart #ffmpeg #performance

6 min read

Yusuf İhsan Görgel

Jul 23

Pinning the point you pinch: the one line behind anchored zoom

#flutter #dart #graphics #math

5 min read

Yusuf İhsan Görgel

Jul 23

A public const constructor is the back door around your factory's validation

#dart #programming #tutorial

5 min read

Yusuf İhsan Görgel

Jul 23

2.75 seconds or 2 microseconds: the same regex, two engines

#dart #flutter #regex #security

6 min read

Yusuf İhsan Görgel

Jul 23

A finite loop in skeleton_shimmer that stopped resuming when the loop count was raised

#dart #flutter #animation

4 min read

Yusuf İhsan Görgel

Jul 23

A route could write index.html outside the output directory: a path traversal fix in flutter_prerender 0.3.2

#dart #flutter #security #webdev

5 min read

Yusuf İhsan Görgel

Jul 23

A resolved top-level null was dropped from streamPartialJson (stream_struct 0.3.2)

#dart #ai #llm #json

4 min read

Yusuf İhsan Görgel

Jul 23

rag_kit stored the caller's metadata map by reference, then handed it back from search

#dart #flutter #programming

4 min read

Yusuf İhsan Görgel

Jul 23

Check.isValidJson Failed on Correct JSON When the Model Wrapped It in a Markdown Fence

#dart #ai #llm #testing

5 min read

Yusuf İhsan Görgel

Jul 23

constellation_particles 0.3.1 fixes a crash triggered by turning on high contrast mid-session

#flutter #dart #a11y #crash

8 min read

Yusuf İhsan Görgel

Jul 23

redis_task_queue 0.10.1: neither the worker nor the client ever reconnected after Redis dropped

#dart #redis #backend #reliability

8 min read

Yusuf İhsan Görgel

Jul 23

The Find-in-Page Bug That Only Shows Up on Long Lists

#flutter #dart #mobile #performance

5 min read

Yusuf İhsan Görgel

Jul 23

A stereo gotcha in audio_decode 0.3.1: toFloat32() is interleaved, not per-channel

#dart #audio #dsp #flutter

5 min read

Yusuf İhsan Görgel

Jul 23

BLAKE3's Hash Output Does Not Stop at 32 Bytes

#dart #cryptography #hashing #ffi

5 min read

Yusuf İhsan Görgel

Jul 23

Why audio_decode divides by 32768, and never by 32767

#dart #flutter #audio #performance

3 min read

Yusuf İhsan Görgel

Jul 21

You don't need a vector database

#flutter #dart #ai #machinelearning

8 min read

Yusuf İhsan Görgel

Jul 21

My LLM-eval cache made CI free, except the judge ran every time

#dart #ai #llm #testing

3 min read

Yusuf İhsan Görgel

Jul 21

Future.wait over a thumbnailer ran a real folder out of memory

#dart #flutter #performance #concurrency

3 min read

Yusuf İhsan Görgel

Jul 21

Your schema said number, the model returned 42, and the cast threw

#dart #ai #llm #json

3 min read

Yusuf İhsan Görgel

Jul 21

A zero byte in the input was silently truncating my tokenizer

#dart #ffi #rust #debugging

4 min read

Yusuf İhsan Görgel

Jul 21

Reading two fields out of a 4 MB JSON payload: where an FFI parser beats dart:convert

#dart #json #performance #ffi

4 min read

Yusuf İhsan Görgel

Jul 21

Semantic search in Dart without the hand-written cosine loop

#dart #flutter #ai #machinelearning

4 min read

Yusuf İhsan Görgel

Jul 21

Writing a million-row .xlsx from Dart without running out of memory

#dart #excel #ffi #backend

4 min read

Yusuf İhsan Görgel

Jul 20

A crash-safe job queue for server-side Dart, in two packages

#dart #redis #backend #queue

4 min read

Yusuf İhsan Görgel

Jul 20

A Dart regex that cannot be made to hang

#dart #flutter #regex #security

4 min read

Yusuf İhsan Görgel

Jul 20

One Request, Two Streams: Debugging a 45-Second Deadlock in MCP's Streamable HTTP

#go #ai #mcp #debugging

6 min read

Yusuf İhsan Görgel

Jul 19

Rendering an LLM's structured output while it streams, in Dart

#dart #ai #llm #flutter

3 min read

Yusuf İhsan Görgel

Jul 19

hf_tokenizers: byte-exact HuggingFace tokenization in Dart, without reimplementing the tokenizer

#dart #ai #llm #ffi

3 min read

Yusuf İhsan Görgel

Jul 19

One pipeline for retry, circuit breaker, and timeout in Dart

#dart #backend #async #opensource

6 min read

Yusuf İhsan Görgel

Jul 18

The ping that never came back

#dart #debugging #async #opensource

5 min read

Yusuf İhsan Görgel

Jul 18

simdjson_dart 0.1.2: reading three fields out of a 9 MB JSON payload without decoding the rest

#dart #flutter #json #performance

5 min read

Yusuf İhsan Görgel

Jul 13

Idempotency keys in Go: the check-then-act race nobody tests for

#go #postgres #backend #database

5 min read

Yusuf İhsan Görgel

Jul 11

Read-only by construction: an MCP server that can't write to Redis

#ai #redis #backend #security

5 min read

Yusuf İhsan Görgel

Jul 11

What's Actually in Redis When You Enqueue a Background Job

#go #redis #database #backend

5 min read

Yusuf İhsan Görgel

Jul 11

A one-line Content-Type check that quietly broke my streaming client

#go #http #debugging #webdev

4 min read

Yusuf İhsan Görgel

Jul 11

Integration tests that actually touch Postgres and Redis (no testcontainers)

#go #testing #postgres #docker

5 min read

Yusuf İhsan Görgel

Jul 11

Per-tenant transactions in Go with pgx: SET LOCAL search_path, and why every schema name goes through QuoteIdent

#go #postgres #database #security

6 min read

Yusuf İhsan Görgel

Jul 11

Redis rate limiting in Go: INCR, the expiry race, and a limiter core that knows nothing about Redis

#go #redis #ratelimiting #backend

6 min read

Yusuf İhsan Görgel

Jul 11

Schema-per-tenant migrations in Go: why the ledger lives inside each schema

#go #postgres #database #multitenancy

6 min read

Yusuf İhsan Görgel

Jul 8

A Redis Task Queue in Dart: Weighted Polling, Dead Letters, and One Nasty Empty-Poll Bug

#dart #redis #backend #tutorial

5 min read

Yusuf İhsan Görgel

Jul 7

I Built an LLM Filter That Prefers Silence Over Slop, and the Eval Harness That Keeps It Honest

#ai #llm #testing #go

4 min read

Yusuf İhsan Görgel

Jul 6

Turning a Portfolio Effect Into a Zero-Dependency Flutter Package

#showdev #flutter #dart #opensource

3 min read

Yusuf İhsan Görgel

Apr 3

Building a Spatial Grid Particle System in Flutter Web

#flutter #dart #webdev #opensource

2 min read

Writing Debut

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