Tag: #2026-03
Writing on GPUs, LLMs, MLOps, Kubernetes — and mindset · 765 posts
WebSocket & Real-time Communication Complete Guide 2025: SSE, Socket.IO, Chat/Notifications/Collaboration
Everything about real-time communication! WebSocket protocol, SSE (Server-Sent Events), Socket.IO, chat system implementation, real-time notifications, collaborative editing (CRDT/OT), Pub/Sub patterns, horizontal scalin
2026-03-25 · 26 min read #websocket#real-time#sse#socket-io#chatSystem Design Interview Complete Guide 2025: Scalable Architecture, Availability, and Design Patterns
Everything about system design interviews! 4-step framework, scalability (horizontal/vertical), load balancing, caching (Redis/CDN), DB sharding, CAP theorem, message queues, real-world designs (URL Shortener/Twitter/Net
2026-03-25 · 21 min read #system-design#scalability#availability#load-balancing#cachingOpenStack & KVM Virtualization Complete Guide 2025: Building and Operating Private Cloud Infrastructure
Everything about OpenStack and KVM! KVM/QEMU hypervisor architecture, libvirt management, OpenStack core services (Nova/Neutron/Cinder/Keystone/Glance/Heat), private cloud deployment, networking (OVS/OVN), storage (Ceph)
2026-03-25 · 24 min read #openstack#kvm#virtualization#private-cloud#novaLiteLLM Complete Guide 2025: Unify 100+ LLMs with a Single API Proxy Server
Everything about LiteLLM! 100+ LLM unified API, OpenAI-compatible proxy server, cost tracking/budget management, load balancing/fallback, model routing, virtual keys, rate limiting, Guardrails, production deployment (Doc
2026-03-25 · 18 min read #litellm#llm#api#proxy#openaiFlyway & Database Migration Complete Guide 2025: Schema Versioning, ORM Integration, Zero-Downtime Deployment
Everything about DB migration! Flyway (version-based), Liquibase (changeset-based), ORM migrations (Prisma/TypeORM/Alembic/Django), zero-downtime schema changes, rollback strategies, CI/CD integration, K8s migration best
2026-03-25 · 26 min read #flyway#database-migration#schema-management#orm#liquibaseBFCL Benchmark Complete Guide 2025: Tool Calling Evaluation, Leaderboard Analysis, Model Comparison
Everything about BFCL (Berkeley Function Calling Leaderboard)! Benchmark categories (Simple/Multiple/Parallel/Relevance/AST), evaluation metrics, model performance comparison (Claude/GPT/Gemini/Llama), running your own e
2026-03-25 · 22 min read #bfcl#benchmark#tool-calling#function-calling#evaluationAdvanced CI/CD Pipeline Guide 2025: Deployment Strategies, GitOps, Monorepo, Security Pipeline
Everything about advanced CI/CD! Deployment strategies (Blue-Green/Canary/Rolling), GitOps (ArgoCD/Flux), Monorepo CI (Turborepo/Nx), Feature Flags (LaunchDarkly), pipeline security, environment management, rollback stra
2026-03-25 · 18 min read #ci-cd#deployment#gitops#argocd#monorepoComplete Guide to LLM Fine-tuning with Unsloth 2025: QLoRA, 4-bit Quantization, 2x Faster Training
Everything about LLM fine-tuning with Unsloth! QLoRA/LoRA theory, 4-bit quantization (bitsandbytes), Unsloth 2x speed secret, Llama 3/Mistral/Qwen fine-tuning, data preparation, training config, VRAM optimization, GGUF/G
2026-03-25 · 17 min read #unsloth#llm#fine-tuning#qlora#loraSoftware Testing Strategies Complete Guide 2025: Unit/Integration/E2E, TDD, Test Pyramid
Everything about testing! Test pyramid (unit/integration/E2E), TDD/BDD, Jest/Vitest (frontend), Pytest/JUnit (backend), Playwright/Cypress (E2E), mocking strategies, test coverage, CI integration, performance/security te
2026-03-25 · 21 min read #testing#unit-test#integration-test#e2e#tddObservability & Monitoring Complete Guide 2025: Logging, Metrics, Tracing, Alerting Strategy
Everything about Observability! Three Pillars (Logs/Metrics/Traces), OpenTelemetry, Prometheus+Grafana, ELK Stack, Distributed Tracing (Jaeger/Tempo), Alerting Strategy (PagerDuty/OpsGenie), SLO/SLI/SLA, Cost Optimizatio
2026-03-25 · 18 min read #observability#monitoring#logging#distributed-tracing#metricsLanguage Learning Motivation Guide for Developers: Technical English, Effective Methods, and Global Career
Everything about developer language learning! Technical English (code review/PR/issues/docs), effective methods (spaced repetition/immersion/shadowing), motivation strategies, preparing English for global companies, Japa
2026-03-25 · 20 min read #language-learning#english#motivation#developer-english#technical-englishDeveloper Health & Productivity Routine: Burnout Prevention, Exercise, Sleep, and Mindset Complete Guide
Complete guide to a healthy developer life! Burnout prevention (symptoms/causes/solutions), productivity routines (Pomodoro/Deep Work/morning routine), exercise (neck/wrist/back prevention), sleep optimization, mindset (
2026-03-25 · 23 min read #developer-health#productivity#routine#burnout#exerciseAWS Core Services Complete Guide 2025: EC2, S3, RDS, Lambda, VPC, IAM Deep Dive
Everything about AWS core services! EC2 (instances/Auto Scaling), S3 (storage classes/lifecycle), RDS (Multi-AZ/Read Replicas), Lambda (serverless), VPC (network design), IAM (security), CloudFront (CDN), DynamoDB (NoSQL
2026-03-25 · 22 min read #aws#ec2#s3#rds#lambdaWEKA High-Performance Storage Complete Guide 2025: Parallel File System for AI/HPC Workloads
Everything about WEKA! Parallel file system architecture, NVMe tiering, GPU Direct Storage, AI/ML workload optimization, cloud integration (AWS/Azure/GCP), vs Ceph/Lustre/GPFS, data pipelines, performance benchmarks.
2026-03-25 · 22 min read #weka#wekafs#storage#parallel-filesystem#ai-infrastructure2025 Tech Trends Roundup: Hottest Technologies and Developer Insights from Hacker News
The hottest IT trends of 2025! AI Agent/MCP revolution, Rust rise, WebAssembly 2.0, Edge Computing, Local-first software, open source licensing debates, developer tools innovation, startup trends, Big Tech strategy — ana
2026-03-25 · 22 min read #tech-trends#hacker-news#ai#rust#webassemblyREST API Design Best Practices 2025: Naming, Versioning, Error Handling, Pagination, Security
Everything about REST API design! Resource naming, correct HTTP method usage, status codes, error response standards, pagination (Cursor vs Offset), versioning (URL vs Header), authentication (OAuth2/JWT/API Key), OpenAP
2026-03-25 · 19 min read #rest-api#api-design#http#pagination#versioningOAuth 2.0 & Authentication Complete Guide 2025: JWT, Sessions, SSO, OIDC, Passkey
Everything about web authentication! OAuth 2.0 flows (Authorization Code/PKCE/Client Credentials), JWT (structure/verification/Refresh Token), Session vs Token, SSO (SAML/OIDC), Passkey (WebAuthn/FIDO2), Social Login, Se
2026-03-25 · 22 min read #oauth2#authentication#jwt#session#ssoComplete Guide to Korean LLM Training Data: Hugging Face Datasets, Preprocessing, and Quality Control
Everything about LLM training data! Hugging Face datasets (types/loading/conversion), Korean data collection (crawling/synthetic/translation), preprocessing (tokenization/cleaning/dedup), Instruction Tuning formats (Alpa
2026-03-25 · 23 min read #llm#training-data#huggingface#dataset#korean-nlpData Engineering Pipeline Complete Guide 2025: ETL/ELT, Spark, Airflow, Real-Time Streaming
Everything about data engineering! ETL vs ELT, Apache Spark (PySpark), Apache Airflow (DAG/Operator/Sensor), real-time streaming (Kafka+Flink), dbt (data transformation), data warehouses (BigQuery/Snowflake/Redshift), da
2026-03-25 · 18 min read #data-engineering#etl#elt#spark#airflowAI Agent Development Complete Guide 2025: Tool Calling, ReAct, Multi-Agent, and MCP
Everything about AI Agent development! Tool Calling (Function Calling) principles, ReAct pattern, Multi-Agent architectures (CrewAI/AutoGen/LangGraph), MCP (Model Context Protocol), Agent framework comparison, Tool Calli
2026-03-25 · 26 min read #ai-agent#tool-calling#function-calling#react-pattern#multi-agent