Stéphane Derosiaux

Elite

@sderosiaux

@conduktor Co-founder ∙ CTO ∙ Real-time Data ∙ Crunching LLMs ∙ Product Builder ∙ Writer ∙ Speaker

every-single-day-i-tldr. A daily digest of the articles or videos I've found interesting, that I want to share with you.

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guidelines-to-create-a-strong-website. A list of all things to consider when making a website or webapp of quality.

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akka-streams-summary. Trying to put together some notes I took about Akka-streams and reactive-streams

checklists. All checklists

react-stack-step-by-step. A tentative to explain a full technical stack using Reactjs, step by step, in-depth. I've never finished. _o_

acorn-jsx-walk. JSX support for Acorn Walk

performance-engineering-handbook. Full-stack performance engineering handbook — Linux kernel & eBPF, profiling/tracing, network & JVM/GPU tuning, storage engines, databases, distributed systems and streaming/ML data architectures, plus the high-performance data structures behind them: probabilistic sketches, vector/ANN indexes, columnar encoding, LSM & learned indexes, HFT C++.

react-line. Provide a React component to draw a line

react-motion-fun. Just having fun with react-motion

seo-boilerplate. Recap of all what can be found in <head> for a good SEO

kafka-streams-consumer-offsets-to-json. A Kafka Streams process to convert __consumer_offsets to a JSON-readable topic

parquet-custom-reader-writer. Simple implementation of a custom parquet reader/writer

fisheye. Fisheye algorithm

how-i-stay-updated. All the things I subscribed to or that I often check and read to stay up to date.

ultra-slim-play-scala. Play Framework application reduced to a strict minimum

javascript-en-francais. Il est temps de coder en français !

react-voxel. JavaScript

druid-overview. An in-depth presentation of the timeseries database Druid; ways to ingest data, how to extend it, the tools it provides, and most of its features.

text-ellipsis. Cut off a string if too long

number-converter-alphabet. Convert a number to any base/any custom alphabet

kafka-better-cli. A better kafka command line

kafka-streams-kotlin. Sample Kafka Streams in Kotlin

couchbase-bucket-listener. Listen to a Couchbase Bucket in real-time

react-ascii-loader. A simple ASCII loader

twitter-dealabs-hot. Bot that powers @hotdealabs

avro-parquet-reader-writer. Scala

one-liner. Transform a string to a one line string by converting and merging line breaks/carriages, tabs, spaces

chtree. Walks through a directory and prints out a treeview of its content

functional-sagas. Enjoying Sagas in a functional way

kotlin-gradle-karate-tests. Boilerplate using kotlin + gradle + karate to test

oblivian. 🧠 AI-Powered Spaced Repetition Learning App with Claude Desktop Integration

bifrost-ai. 🌈 Local LLM chat with conversation branching, mood-reactive UI, and time travel. Run GPT-OSS 20B locally with chain-of-thought reasoning.

algo-kmeans. Simple implementation of the k-means clustering algorithm

scala-api-boilerplate. My boilerplate to start working on APIs quickly

react-polyline. Provide a React component to draw a polyline.

download-dynamic. Download the content from a url containing dynamic parts

powermetrics-tui. Beautiful, real-time system monitoring dashboard for macOS

whitespace-parser. An implementation of a Whitespace parser relying only on the State monad

monads-training-ground. Quiet please. Practising here.

jmxtrans-docker. Send JMX stats to a backend such as Graphite using JMXTrans in a container

blaze-gallery. Self-hosted photo gallery for S3-compatible storage. Connect to Backblaze B2, AWS S3, Cloudflare R2, or MinIO. Your photos, your cloud, your control.

real-time-apps-example.

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