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Insights, tutorials, and tools for developers.

Kimi K3.1 Pro VRAM Requirements

Kimi K3.1 Pro needs 1.56 TB for its MXFP4 weights before any cache. Which GPU nodes fit it, what a 512 GB Mac can run, and what 256K of context adds.

DevToolLab Team·November 8, 2026

Latest Articles

Guide

4 min

Safe Software Downloads for Developers

How malicious installers and typosquatted packages reach developer machines, and the verification habits that keep them off your workstation.

DevToolLab Team·November 7, 2026

Tutorial

7 min

How to Flush DNS on Mac, Windows, Linux

Run ipconfig /flushdns on Windows, dscacheutil and killall -HUP mDNSResponder on macOS, resolvectl flush-caches on Linux, and learn which cache you can't clear.

DevToolLab Team·November 6, 2026

Tutorial

9 min

OpenSSH 10.6p2: Check and Patch Alpine

OpenSSH 10.6p2 fixes a password login bypass on Linux systems without PAM, Alpine included. Check your host, set PasswordAuthentication no, then upgrade.

DevToolLab Team·November 5, 2026

51–60 of 237

Tutorial

8 min read

How to Read and Open a Parquet File

Read a Parquet file with pandas, pyarrow, Polars, DuckDB or Spark, or open one without code. Real commands, real output, and the errors you will hit.

DevToolLab Team·October 11, 2026

Guide

11 min read

Best AI Video Editors for Developers

Descript, DaVinci Resolve, Shotstack, Remotion and auto-editor compared for product demos and code-driven video, with prices, licenses and a tested auto-cut.

DevToolLab Team·October 10, 2026

Tutorial

8 min read

How to Resolve Git Merge Conflicts

Edit the block between the conflict markers, then git add and commit. Command line, VS Code and GitHub, plus why a rebase swaps ours and theirs.

DevToolLab Team·October 10, 2026

How to Enable CORS in Express and Next.js

Tutorial

8 min read

How to Enable CORS in Express and Next.js

CORS is enabled on the server, not the browser. Working Express, FastAPI and Next.js configs, how preflight works, and the six errors Chrome prints, with fixes.

DevToolLab Team·October 9, 2026

Tutorial

8 min read

How to Spot AI Crawlers in Server Logs

Search your access log for GPTBot, ClaudeBot and PerplexityBot, then check each IP against the vendors' published ranges. Includes a Python script and output.

DevToolLab Team·October 9, 2026

How to Verify HubSpot Webhook Signatures

Tutorial

8 min read

How to Verify HubSpot Webhook Signatures

HubSpot signs webhooks with HMAC SHA-256 over method, URL, body and timestamp. A tested Node.js verifier, a Python cross-check and the pitfalls behind 401s.

DevToolLab Team·October 9, 2026

Best HubSpot Alternatives for Developers

Guide

11 min read

Best HubSpot Alternatives for Developers

HubSpot, Attio, Twenty, Close and EspoCRM compared on published API limits, webhooks, licenses and per-seat prices, plus how long a 50,000-record sync takes.

DevToolLab Team·October 9, 2026

Guide

9 min read

Best Bolt.new Alternatives in 2026

Lovable, v0, Replit, Base44, Dyad, bolt.diy compared on October 2026 prices: tokens versus credits, per-seat versus flat plans, and what a 4-person team pays.

DevToolLab Team·October 8, 2026

Best Text-to-Speech APIs in 2026, Compared

Guide

12 min read

Best Text-to-Speech APIs in 2026, Compared

ElevenLabs, Qwen, Cartesia, Inworld, Speechify, MiniMax, Fish Audio, Google and Azure TTS APIs ranked by blind tests and priced on one 5M-character workload.

DevToolLab Team·October 6, 2026