Notes
Working notes and garden-style pages. Browse everything here, or jump into glossary, MOCs, the graph, or a random note.
A CLI template for publishing npm packages
/npm-package-template#tools#backend#case
ACID
/acidterm#backend#postgres
AI
/aiMOC#ai
AI agent
/ai-agentterm#ai
Algorithms
/algorithmsMOC#algorithms#backend
AML
/amlterm#fintech
AMM
/ammterm#blockchain#trading
Arbitrage
/arbitrageterm#trading#blockchain
Arrays
/arraysterm#backend#algorithms
AWS
/awsterm#devops
Backend
/backendMOC#backend
Balancer
/balancerterm#blockchain
Bid-ask spread
/bid-ask-spreadterm#trading
Big O notation
/big-o-notationterm#backend#algorithms
Binary search
/binary-searchterm#backend#algorithms
Blockchain
/blockchainMOC#blockchain
Blockchain indexers
/blockchain-indexersterm#blockchain#tools
BNPL
/bnplterm#fintech
Building an MCP app (draft)
/mcp-app#ai#tools#case
Building Confluence MCP Server for Cursor IDE Integration
/confluence-mcp-server#tools#ai
Building GitHub MCP Server for Cursor IDE Integration
/github-mcp-server#tools#ai
Building GitLab MCP Server for Cursor IDE Integration
/gitlab-mcp-server#tools#ai
Building Google Calendar MCP Server for Cursor IDE Integration
/google-calendar-mcp-server#tools#ai
Building Google Tasks MCP Server for Cursor IDE Integration
/google-tasks-mcp-server#tools#ai
Building Habitify MCP Server for Cursor IDE Integration
/habitify-mcp-server#tools#ai
Building HeadHunter MCP Server for Cursor IDE Integration
/hh-mcp-server#tools#ai
Building Jira MCP Server for Cursor IDE Integration
/jira-mcp-server#tools#ai
Building Notion MCP Server for Cursor IDE Integration
/notion-mcp-server#tools#ai
Buy / Sell
/buy-sellterm#trading
CBDC
/cbdcterm#fintech
CDP
/cdpterm#blockchain#fintech
Chunking
/chunkingterm#ai
ClickHouse compression
/clickhouse-compressionterm#backend#clickhouse
ClickHouse distributed tables
/clickhouse-distributed-tablesterm#backend#clickhouse
ClickHouse materialized views
/clickhouse-materialized-viewsterm#backend#clickhouse
ClickHouse partitioning
/clickhouse-partitioningterm#backend#clickhouse
ClickHouse primary index
/clickhouse-primary-indexterm#backend#clickhouse
ClickHouse query optimization
/clickhouse-query-optimizationterm#backend#clickhouse
ClickHouse replication
/clickhouse-replicationterm#backend#clickhouse
ClickHouse TTL
/clickhouse-ttlterm#backend#clickhouse
Columnar storage
/columnar-storageterm#backend#clickhouse
CQRS
/cqrsterm#backend
Credit scoring
/credit-scoringterm#fintech
Cross-chain
/cross-chainterm#blockchain
Cryptocurrency exchange
/cryptocurrency-exchangeterm#fintech#blockchain#trading
Cursor
/cursorMOC#tools#ai
Cursor built-in browser
/cursor-browserterm#tools#ai
Cursor cloud agent
/cursor-cloud-agentterm#tools#ai
Cursor modes
/cursor-modesterm#tools#ai
Cursor plugins
/cursor-pluginsterm#tools#ai
Cursor rules
/cursor-rulesterm#tools#ai
Cursor skills
/cursor-skillsterm#tools#ai
Cursor subagents
/cursor-subagentsterm#tools#ai
Curve
/curveterm#blockchain
DAO
/daoterm#blockchain
DApps
/dappsterm#blockchain
DeFi
/defiterm#blockchain#fintech
DevOps
/devopsMOC#devops
DEX
/dexterm#blockchain#trading
Diátaxis
/diataxisterm#writing
Digital garden
/digital-gardenterm#writing
Digital wallet
/digital-walletterm#fintech
Docker
/dockerterm#devops
Dojo
/dojoterm#karate#life
Dojo kun
/dojo-kunterm#karate#life
Dynamic programming
/dynamic-programmingterm#backend#algorithms
Effector
/effectorterm#frontend
Elasticsearch
/elasticsearchterm#backend#devops
Embedded finance
/embedded-financeterm#fintech
Embedding
/embeddingterm#ai
ERC-1155
/erc-1155term#blockchain
ERC-20
/erc-20term#blockchain
ERC-721
/erc-721term#blockchain
Ethereum L1 and L2
/ethereum-layersterm#blockchain
Evergreen notes
/evergreen-notesterm#writing
EVM
/evmterm#blockchain
FIX protocol
/fix-protocolterm#trading
Flash loans
/flash-loansterm#blockchain
Fraud detection
/fraud-detectionterm#fintech
Frontend
/frontendMOC#frontend
Frontend testing (stub)
/frontend-testing#frontend#guide
Fungible token
/fungible-tokenterm#blockchain
GitLab
/gitlabMOC#devops#tools
GitLab CI for a frontend — staged checks, review app, Playwright
/gitlab-ci-frontend-review-pipeline#devops#frontend#case
Google Cloud Platform (GCP)
/gcpterm#devops
Grafana
/grafanaterm#devops#tools
Grafana Tempo
/tempoterm#devops
Graph algorithms
/graph-algorithmsterm#backend#algorithms
Graphs
/graphsterm#backend#algorithms
Greedy algorithms
/greedy-algorithmsterm#backend#algorithms
Hash maps
/hash-mapsterm#backend#algorithms
Heaps
/heapsterm#backend#algorithms
Hello, mindex
/hello-mindex#meta
Information Mapping
/information-mappingterm#writing
Infrastructure as Code (IaC)
/iacterm#devops
InsurTech
/insurtechterm#fintech
Kafka brokers
/kafka-brokersterm#backend#kafka
Kafka Connect
/kafka-connectterm#backend#kafka
Kafka consumer groups
/kafka-consumer-groupsterm#backend#kafka
Kafka consumers
/kafka-consumersterm#backend#kafka
Kafka offsets
/kafka-offsetsterm#backend#kafka
Kafka partitions
/kafka-partitionsterm#backend#kafka
Kafka producers
/kafka-producersterm#backend#kafka
Kafka replication
/kafka-replicationterm#backend#kafka
Kafka Streams
/kafka-streamsterm#backend#kafka
Kafka topics
/kafka-topicsterm#backend#kafka
Karate
/karateMOC#karate#life
Karategi
/karategiterm#karate#life
Kata
/kataterm#karate#life
Kiai
/kiaiterm#karate#life
Kibana
/kibanaterm#devops#tools
Kihon
/kihonterm#karate#life
Kubernetes
/kubernetesterm#devops
Kumite
/kumiteterm#karate#life
KYC
/kycterm#fintech
Kyu and dan
/kyu-and-danterm#karate#life
LangChain
/langchainterm#ai#tools
LangGraph
/langgraphterm#ai#tools
LangSmith
/langsmithterm#ai#tools
Latency
/latencyterm#trading
LGTM stack
/lgtm-stackterm#devops
Linked lists
/linked-liststerm#backend#algorithms
Liquidity pools
/liquidity-poolsterm#blockchain#trading
LlamaIndex
/llamaindexterm#ai#tools
LLM
/llmterm#ai
Loki
/lokiterm#devops
macOS app bundle
/macos-app-bundleterm#tools
MakerDAO
/makerdaoterm#blockchain
Market maker
/market-makerterm#trading
MCP
/mcpterm#ai#tools
MergeTree
/mergetreeterm#backend#clickhouse
MEV
/mevterm#blockchain#trading
Microsoft Azure
/azureterm#devops
MOC
/mocterm#writing
MUI (Material UI)
/muiterm#frontend
Multi-agent
/multi-agentterm#ai
My AI journey, from skeptic to daily user
/my-ai-journey#ai#life#case
Neobank
/neobankterm#fintech
NestJS
/nestjsterm#backend
NestJS integration testing (stub)
/nestjs-integration-testing#backend#guide
next-intl
/next-intlterm#frontend
Next.js
/nextjsterm#frontend
NFT
/nftterm#blockchain
Non-functional testing (draft)
/non-functional-testing#frontend#backend#guide
Non-fungible token
/non-fungible-tokenterm#blockchain
npm, pnpm, and Yarn
/npm-pnpm-yarnterm#frontend#backend#tools
Obi
/obiterm#karate#life
One main agent per product, many planners around it
/one-main-agent-per-product#tools#ai#case
OODA
/oodaterm#ai
Open banking
/open-bankingterm#fintech
OpenAPI → MCP server → blog post, a deterministic pipeline
/openapi-to-mcp-pipeline#tools#ai#case
Order book
/order-bookterm#trading
Order types
/order-typesterm#trading
Osu
/osuterm#karate#life
P2P lending
/p2p-lendingterm#fintech
Passing env vars to Cursor MCP servers
/cursor-mcp-env-vars#tools#ai#case
Payment gateway
/payment-gatewayterm#fintech
PCI DSS
/pci-dssterm#fintech
Pinecone
/pineconeterm#ai#tools
PKM
/pkmterm#writing
Plan-and-Act
/plan-and-actterm#ai
Playwright MCP
/playwright-mcpterm#ai#tools
Playwright MCP with a persistent browser profile
/playwright-mcp-persistent-session#tools#ai#case
Postgres
/postgresPostgres connection pooling
/postgres-connection-poolingterm#backend#postgres
Postgres extensions
/postgres-extensionsterm#backend#postgres
Postgres indexes
/postgres-indexesterm#backend#postgres
Postgres JSON
/postgres-jsonterm#backend#postgres
Postgres query planner
/postgres-query-plannerterm#backend#postgres
Postgres replication
/postgres-replicationterm#backend#postgres
Postgres transactions
/postgres-transactionsterm#backend#postgres
Postgres VACUUM
/postgres-vacuumterm#backend#postgres
Postgres WAL
/postgres-walterm#backend#postgres
Prisma
/prismaterm#backend#postgres
Prometheus
/prometheusterm#devops
Pulumi
/pulumiterm#devops#tools
Pyramid Principle
/pyramid-principleterm#writing
Qdrant
/qdrantterm#ai#tools
Queues
/queuesterm#backend#algorithms
RAG
/ragterm#ai
React
/reactjsMOC#frontend
ReAct
/reactterm#ai
React integration testing (stub)
/react-integration-testing#frontend#guide
React Router
/react-routerterm#frontend
React testing — unit, integration, E2E (draft)
/react-testing#frontend#guide
React unit testing (stub)
/react-unit-testing#frontend#guide
Reasoning
/reasoningterm#ai
Recursion
/recursionterm#backend#algorithms
Redis
/redisterm#backend#redis
Redis caching
/redis-cachingterm#backend#redis
Redis clustering
/redis-clusteringterm#backend#redis
Redis data types
/redis-data-typesterm#backend#redis
Redis expiration
/redis-expirationterm#backend#redis
Redis Lua scripts
/redis-lua-scriptsterm#backend#redis
Redis memory management
/redis-memory-managementterm#backend#redis
Redis persistence
/redis-persistenceterm#backend#redis
Redis Pub/Sub
/redis-pubsubterm#backend#redis
Redis Streams
/redis-streamsterm#backend#redis
Redis transactions
/redis-transactionsterm#backend#redis
Redux
/reduxterm#frontend
Redux Toolkit
/redux-toolkitterm#frontend
RegTech
/regtechterm#fintech
Rei
/reiterm#karate#life
Robo-advisor
/robo-advisorterm#fintech
Sensei
/senseiterm#karate#life
Separation of concerns
/separation-of-concernsterm#backend#frontend
Sequelize
/sequelizeterm#backend#postgres
Sequential thinking
/sequential-thinkingterm#ai
Sets
/setsterm#backend#algorithms
shadcn/ui
/shadcn-uiterm#frontend#tools
Shotokan karate style
/shotokan-karate-styleterm#karate#life
Sliding window
/sliding-windowterm#backend#algorithms
Slippage
/slippageterm#trading
Smart contracts
/smart-contractsterm#blockchain
SOAR
/soarterm#ai
Solidity
/solidityterm#blockchain#tools
Sorting algorithms
/sorting-algorithmsterm#backend#algorithms
Stablecoin
/stablecointerm#fintech#blockchain
Stacks
/stacksterm#backend#algorithms
System thinking
/system-thinkingterm#ai
TanStack Table (react-table)
/react-tableterm#frontend
Terraform
/terraformterm#devops#tools
Testing strategy — pyramid, trophy, patterns (draft)
/testing-strategy#frontend#backend#guide
Tick size
/tick-sizeterm#trading
Trees
/treesterm#backend#algorithms
Tries
/triesterm#backend#algorithms
TVL
/tvlterm#blockchain
TWAP / VWAP
/twap-vwapterm#trading
Two Cursor profiles on one Mac
/two-cursor-profiles#tools#case
Two pointers
/two-pointersterm#backend#algorithms
TypeScript
/typescriptMOC#frontend#backend
Ultimate comparison: E2E browser tools (stub)
/ultimate-comparison-e2e-tools#frontend#comparison
Ultimate comparison: observability tools (stub)
/ultimate-comparison-observability-tools#devops#comparison
Ultimate comparison: Redux side-effect middleware
/ultimate-comparison-redux-side-effect-libs#frontend#comparison
Uniswap
/uniswapterm#blockchain
Unstructured.io
/unstructured-ioterm#ai#tools
USDC
/usdcterm#fintech#blockchain
USDT
/usdtterm#fintech#blockchain
WealthTech
/wealthtechterm#fintech
Wrapped tokens
/wrapped-tokensterm#blockchain
Writing
/writingMOC#writing
Zanshin
/zanshinterm#karate#life
Zettelkasten
/zettelkastenterm#writing
Zod
/zodterm#frontend#backend