https://www.danilchenko.dev/posts/Recent content in Posts on danilchenko.devHugoen-usFri, 08 May 2026 08:24:33 +0000https://www.danilchenko.dev/posts/ai-coding-tools-guide/Mon, 13 Apr 2026 07:00:00 +0000https://www.danilchenko.dev/posts/ai-coding-tools-guide/Everything we've covered on AI coding tools — comparisons, pricing, privacy, agents, and the security risks nobody expected. Updated April 2026.https://www.danilchenko.dev/posts/gemini-cli-tutorial/Fri, 08 May 2026 08:24:33 +0000https://www.danilchenko.dev/posts/gemini-cli-tutorial/Set up Google's free Gemini CLI in 5 minutes, configure GEMINI.md, add MCP servers, and build a Python project — all on the 1,000 requests/day free tier.https://www.danilchenko.dev/posts/ai-agent-guardrails/Thu, 07 May 2026 08:22:31 +0000https://www.danilchenko.dev/posts/ai-agent-guardrails/AI agent guardrails from 4 real production wipes — PocketOS, Replit, Amazon. Scoped tokens, destructive-action gates, isolated backups, plan-first mode.https://www.danilchenko.dev/posts/ai-infrastructure-layoffs/Tue, 05 May 2026 08:22:46 +0000https://www.danilchenko.dev/posts/ai-infrastructure-layoffs/$725B in AI capex, 100K+ layoffs, and 275K unfilled AI roles. The numbers behind big tech's 2026 human-to-GPU trade — and what it means for your career.https://www.danilchenko.dev/posts/markitdown-vs-docling-vs-marker/Sun, 03 May 2026 08:20:42 +0000https://www.danilchenko.dev/posts/markitdown-vs-docling-vs-marker/Three open-source PDF-to-Markdown tools for RAG and LLM pipelines, tested on real documents. Speed, table fidelity, install pain, and which one to pick.https://www.danilchenko.dev/posts/gpt-claude-gemini-coding/Fri, 01 May 2026 08:25:00 +0000https://www.danilchenko.dev/posts/gpt-claude-gemini-coding/Three weeks rotating between GPT-5.4, Claude Opus 4.7, and Gemini 3.1 Pro on real coding work — benchmarks, token costs, and the per-task winner for each.https://www.danilchenko.dev/posts/fastmcp-mcp-server/Wed, 29 Apr 2026 08:24:49 +0000https://www.danilchenko.dev/posts/fastmcp-mcp-server/Build a production-ready MCP server in Python with FastMCP 3.2 — tools, resources, prompts, GitHub OAuth proxy, MCP Inspector, and Claude Desktop hookup.https://www.danilchenko.dev/posts/python-t-strings/Mon, 27 Apr 2026 08:21:49 +0000https://www.danilchenko.dev/posts/python-t-strings/Python 3.14 t-strings (PEP 750) let you intercept values before string interpolation. Hands-on tutorial with SQL safety, HTML escaping, and structured logging.https://www.danilchenko.dev/posts/ai-brain-fry/Wed, 22 Apr 2026 06:03:20 +0000https://www.danilchenko.dev/posts/ai-brain-fry/AI brain fry hit 14% of AI-using workers in the BCG-Harvard study. Devs near the top, behind marketing and HR. Productivity drops once you cross 4 tools.https://www.danilchenko.dev/posts/asynctls-sparse-attention/Wed, 22 Apr 2026 00:06:00 +0000https://www.danilchenko.dev/posts/asynctls-sparse-attention/AsyncTLS sparse attention fuses block filtering, token selection, and async KV cache offloading for 1.3-4.7x throughput gains at 48k-96k token contexts.https://www.danilchenko.dev/posts/composer-2-review/Tue, 21 Apr 2026 04:04:27 +0000https://www.danilchenko.dev/posts/composer-2-review/Cursor Composer 2 ships at $0.50/M input — roughly 1/10 of Opus 4.6 — and beats Opus on Terminal-Bench. Then a developer found Kimi K2.5 in the model ID.https://www.danilchenko.dev/posts/go-iterators/Tue, 21 Apr 2026 00:06:00 +0000https://www.danilchenko.dev/posts/go-iterators/How to write a custom Go iterator using iter.Seq and iter.Seq2, handle early termination, convert push to pull with iter.Pull, and avoid the yield traps.https://www.danilchenko.dev/posts/cyprus-developer-salary-2026/Mon, 20 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/cyprus-developer-salary-2026/Cyprus software engineer salary 2026 — real levels.fyi numbers for Limassol vs Nicosia, plus how the new 50% exemption above €55K flips net pay vs Berlin.https://www.danilchenko.dev/posts/hetzner-vs-digitalocean/Sun, 19 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/hetzner-vs-digitalocean/Hetzner just raised cloud prices 30–37% on April 1. Real migration numbers, current per-month costs, and when DigitalOcean still wins for your stack.https://www.danilchenko.dev/posts/meta-layoffs-may-2026/Sat, 18 Apr 2026 08:30:00 +0000https://www.danilchenko.dev/posts/meta-layoffs-may-2026/Meta is cutting around 8,000 jobs starting May 20, about 10% of its workforce. AI-assisted productivity is the stated reason, with more cuts later in 2026.https://www.danilchenko.dev/posts/claude-code-subagents/Sat, 18 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/claude-code-subagents/Claude Code subagents run side tasks in their own context window. Here's how to create them, when to pick one over a skill, and the mistakes to avoid.https://www.danilchenko.dev/posts/recursive-language-models/Sat, 18 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/recursive-language-models/Recursive language models treat a huge prompt as a Python variable the model can grep and recurse over. MIT's paper shows it beats GPT-5 on long context.https://www.danilchenko.dev/posts/agentic-memory-llm/Fri, 17 Apr 2026 10:00:00 +0000https://www.danilchenko.dev/posts/agentic-memory-llm/A new paper from Alibaba teaches LLM agents to store, update, and delete their own memory via reinforcement learning. Beats Mem0 and A-Mem on 5 benchmarks.https://www.danilchenko.dev/posts/polars-vs-pandas/Fri, 17 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/polars-vs-pandas/Polars vs Pandas in 2026: 5-11x speedups on the right workloads, but Pandas still wins for small data and ML pipelines. Real numbers from a 100M-row run.https://www.danilchenko.dev/posts/ty-vs-mypy-vs-pyright/Thu, 16 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/ty-vs-mypy-vs-pyright/ty is 10-60x faster than mypy and pyright but passes only 53% of typing spec tests. Full speed, conformance, and IDE comparison with real project benchmarks.https://www.danilchenko.dev/posts/claude-code-vs-codex-cli/Wed, 15 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/claude-code-vs-codex-cli/Claude Code wins on code quality (81% SWE-bench). Codex CLI wins on speed and uses 4x fewer tokens. Side-by-side pricing, benchmarks, and best use cases.https://www.danilchenko.dev/posts/tech-layoffs-q1-2026/Wed, 15 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/tech-layoffs-q1-2026/78,557 tech workers lost jobs in Q1 2026 and nearly half the cuts cite AI. Here's which companies cut deepest, which roles vanished, and what's actually hiring.https://www.danilchenko.dev/posts/cursor-vs-github-copilot-real-cost-2026/Tue, 14 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/cursor-vs-github-copilot-real-cost-2026/Cursor Pro's $20/mo base hits $40–80 under heavy agent use. Copilot Pro+ is $39/mo with 1,500 requests. Full cost breakdown with every tier compared.https://www.danilchenko.dev/posts/python-314-free-threading/Mon, 13 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/python-314-free-threading/Python 3.14 drops the GIL for good. Real benchmarks show 3.5x speedups on 4 cores. See which libraries break and how to install the free-threaded build.https://www.danilchenko.dev/posts/junior-developer-jobs-2026/Sun, 12 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/junior-developer-jobs-2026/Entry-level developer hiring dropped 67% since 2022. But the full story is more complicated than the doomsday headlines suggest, and more useful for your career.https://www.danilchenko.dev/posts/uv-vs-pip-vs-poetry/Sun, 12 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/uv-vs-pip-vs-poetry/uv vs pip vs Poetry benchmarked head-to-head — install speed, dependency resolution, lockfiles, CI pipelines, and migration paths for Python devs in 2026.https://www.danilchenko.dev/posts/2026-04-11-github-ai-agents-pull-requests/Sat, 11 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-04-11-github-ai-agents-pull-requests/AI agents pushed 17 million pull requests to GitHub last month. The platform buckled with five outages in two days and is now considering disabling PRs entirely.https://www.danilchenko.dev/posts/2026-04-11-triattention-kv-cache-compression-long-reasoning/Sat, 11 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-04-11-triattention-kv-cache-compression-long-reasoning/TriAttention uses pre-RoPE vector concentration and trigonometric scoring to compress KV cache 10.7x while matching full attention accuracy on reasoning tasks.https://www.danilchenko.dev/posts/2026-04-10-mempalace-review-ai-memory-system-milla-jovovich/Fri, 10 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-04-10-mempalace-review-ai-memory-system-milla-jovovich/MemPalace's 100% LongMemEval claim was hand-tuned. The real 96.6% score still beats Mem0 and Zep for free. Honest verdict after running the benchmarks.https://www.danilchenko.dev/posts/2026-04-09-claude-emotion-vectors-blackmail-cheating/Thu, 09 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-04-09-claude-emotion-vectors-blackmail-cheating/Anthropic found 171 emotion vectors inside Claude Sonnet 4.5 that causally shape behavior. Amplifying the desperation vector pushed blackmail from 22% to 72%.https://www.danilchenko.dev/posts/2026-04-07-run-gemma-4-locally-ollama-llama-cpp-vllm/Tue, 07 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-04-07-run-gemma-4-locally-ollama-llama-cpp-vllm/Step-by-step guide to running Google Gemma 4 locally on your hardware with Ollama, llama.cpp, and vLLM — including model picks, VRAM requirements, and real gotchas.https://www.danilchenko.dev/posts/2026-04-06-ai-scientist-v2-first-peer-reviewed-ai-paper/Mon, 06 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-04-06-ai-scientist-v2-first-peer-reviewed-ai-paper/AI Scientist-v2 from Sakana AI produced the first fully AI-generated paper to pass peer review at ICLR. Here's how the agentic tree search system works and why it matters.https://www.danilchenko.dev/posts/2026-04-06-apfel-review-free-local-ai-mac/Mon, 06 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-04-06-apfel-review-free-local-ai-mac/Apfel exposes Apple's hidden 3B on-device LLM from the command line. I tested it for shell scripting, summaries, and code. Here's what works.https://www.danilchenko.dev/posts/2026-04-05-claude-found-500-zero-days-llm-vulnerability-research/Sun, 05 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-04-05-claude-found-500-zero-days-llm-vulnerability-research/Claude discovered 500+ zero-days in Linux, FreeBSD, Firefox, and Ghost — including a 23-year-old NFS bug. Inside the bash-script pipeline Anthropic used.https://www.danilchenko.dev/posts/2026-04-03-deepseek-mhc-manifold-constrained-hyper-connections/Fri, 03 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-04-03-deepseek-mhc-manifold-constrained-hyper-connections/DeepSeek's mHC uses the Sinkhorn-Knopp algorithm to fix training instability in hyper-connections. Here's how doubly stochastic matrices stabilize LLM scaling.https://www.danilchenko.dev/posts/2026-04-02-emergent-misalignment-fine-tuning-llm-persona-features/Thu, 02 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-04-02-emergent-misalignment-fine-tuning-llm-persona-features/Emergent misalignment research shows fine-tuning LLMs on insecure code triggers broad harmful behavior. OpenAI's SAE analysis found the persona features behind it.https://www.danilchenko.dev/posts/2026-04-01-error-cascades-multi-agent-llm-systems/Wed, 01 Apr 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-04-01-error-cascades-multi-agent-llm-systems/AutoGen, CrewAI, LangGraph: 5 of 6 multi-agent LLM frameworks hit 100% error infection. A genealogy graph defense lifts the catch rate from 32% to 89%.https://www.danilchenko.dev/posts/2026-03-31-diffusion-language-models-mercury-1000-tokens-per-second/Tue, 31 Mar 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-03-31-diffusion-language-models-mercury-1000-tokens-per-second/Mercury uses diffusion instead of autoregressive decoding to generate all tokens in parallel, hitting 1,000+ tokens/sec. We break down how it works.https://www.danilchenko.dev/posts/2026-03-30-four-color-theorem-near-linear-time-algorithm/Mon, 30 Mar 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-03-30-four-color-theorem-near-linear-time-algorithm/A new paper by Kawarabayashi, Thorup, Mohar, and Thomassen gives an O(n log n) algorithm for 4-coloring planar graphs, breaking a 30-year quadratic barrier.https://www.danilchenko.dev/posts/2026-03-27-google-turboquant-llm-compression-6x-zero-accuracy-loss/Fri, 27 Mar 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-03-27-google-turboquant-llm-compression-6x-zero-accuracy-loss/Google's TurboQuant algorithm compresses LLM KV cache memory by 6x with zero accuracy loss and no retraining needed. We break down the ICLR 2026 paper.https://www.danilchenko.dev/posts/2026-03-26-claude-dispatch-vs-openclaw-vs-mariner/Thu, 26 Mar 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-03-26-claude-dispatch-vs-openclaw-vs-mariner/Claude Dispatch (), OpenClaw (free + API), Google Mariner () compared after a week with each desktop AI agent. Cost, setup, security, and which to pick.https://www.danilchenko.dev/posts/2026-03-24-ai-coding-tools-secret-leaks/Tue, 24 Mar 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-03-24-ai-coding-tools-secret-leaks/GitGuardian counted 28.65M leaked secrets in 2025. AI-assisted commits leak 2x more, Claude Code hits 3.2%. Here's the pre-commit setup that blocks it.https://www.danilchenko.dev/posts/2026-03-24-cursor-vs-claude-code-vs-windsurf/Tue, 24 Mar 2026 06:00:00 +0000https://www.danilchenko.dev/posts/2026-03-24-cursor-vs-claude-code-vs-windsurf/A hands-on comparison of Cursor, Claude Code, and Windsurf after months of real daily use — pricing, features, and which tool fits your workflow best.