Blog

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

101–110 of 237

Guide

9 min read

Rate Limiting Algorithms: 5 Compared

A fixed window lets exactly twice your limit through at the boundary. We ran five rate limiting algorithms on identical traffic and measured each one.

DevToolLab Team·September 14, 2026

Guide

8 min read

Temperature vs Top-p in LLMs, Measured

Every provider says do not tune temperature and top_p together. We measured why: the same top_p setting allows 1 token at temp 0.2 and 5 at temp 1.8.

DevToolLab Team·September 14, 2026

Guide

9 min read

UUIDv7 vs UUIDv4: 200,000 Rows Measured

We benchmarked UUIDv7 against UUIDv4 as a primary key over 200,000 rows. Inserts got faster and range scans got much faster. The index size claim did not hold.

DevToolLab Team·September 14, 2026

What Is a Webhook? Anatomy of One Request

Guide

9 min read

What Is a Webhook? Anatomy of One Request

A webhook is one signed HTTP POST. Here is exactly what lands on your server, why every provider signs it, and what Stripe and Anthropic do when you are down.

DevToolLab Team·September 14, 2026

Guide

9 min read

What Is AGENTS.md? Inside 24 Real Repos

AGENTS.md is a README for coding agents, used by 60k projects. We surveyed 24 well-known repos to see what teams actually put in one, and what they skip.

DevToolLab Team·September 14, 2026

Guide

9 min read

What Is llms.txt? 24 Vendors Checked

We checked 24 developer platforms for llms.txt. 20 serve one, but only 16 on the apex domain, and Google says it does not use the file at all.

DevToolLab Team·September 14, 2026

Best Load Testing Tools in 2026 Compared

Guide

9 min read

Best Load Testing Tools in 2026 Compared

k6, Gatling, Locust, JMeter and Artillery compared on the prices their own pages publish, plus which engines still ship releases and which have gone quiet.

DevToolLab Team·September 13, 2026

GPT-6 Astra: OpenAI's Riskiest Model Yet

Guide

8 min read

GPT-6 Astra: OpenAI's Riskiest Model Yet

OpenAI GPT-6 Astra broken down for developers: real pricing, the 1M token context window, a code example, and the risk OpenAI flagged in its own system card.

DevToolLab Team·September 13, 2026

OpenAI Agents API: What You Actually Get

Guide

8 min read

OpenAI Agents API: What You Actually Get

OpenAI opened the Codex harness as a public beta API on September 10, 2026. What it manages, what the hosted sandbox costs, and when to keep your framework.

DevToolLab Team·September 13, 2026

Best Merchant of Record Platforms in 2026

Guide

9 min read

Best Merchant of Record Platforms in 2026

Paddle, Lemon Squeezy, Polar, Stripe Managed Payments and FastSpring compared on real fees, and why merchant of record has no open source alternative.

DevToolLab Team·September 12, 2026

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Blog

Kimi K3.1 Pro VRAM Requirements

Latest Articles

Safe Software Downloads for Developers

How to Flush DNS on Mac, Windows, Linux

OpenSSH 10.6p2: Check and Patch Alpine

More Articles

Rate Limiting Algorithms: 5 Compared

Temperature vs Top-p in LLMs, Measured

UUIDv7 vs UUIDv4: 200,000 Rows Measured

What Is a Webhook? Anatomy of One Request

What Is AGENTS.md? Inside 24 Real Repos

What Is llms.txt? 24 Vendors Checked

Best Load Testing Tools in 2026 Compared

GPT-6 Astra: OpenAI's Riskiest Model Yet

OpenAI Agents API: What You Actually Get

Best Merchant of Record Platforms in 2026