developer-tools

Found 141 articles tagged with "developer-tools"

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

Latest Articles

Tutorial

8 min

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

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

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

91–100 of 141

Guide

7 min read

OpenCode 2026: Setup Guide for the Top Open-Source AI Coding Agent

OpenCode is the open-source AI coding agent with 170K+ GitHub stars. How to install, configure providers, and use plan vs build mode in 2026.

DevToolLab Team·June 25, 2026

Spec-Driven Development in 2026: The Method Replacing Vibe Coding

Guide

7 min read

Spec-Driven Development in 2026: The Method Replacing Vibe Coding

Vibe coding breaks at scale. Spec-Driven Development fixes it: write specs first, generate code second. GitHub Spec Kit, AWS Kiro, and workflow examples.

DevToolLab Team·June 25, 2026·Updated August 31, 2026

AI Agent Memory in 2026: Building Persistent Memory for LLM Apps

Guide

8 min read

AI Agent Memory in 2026: Building Persistent Memory for LLM Apps

How to give LLM agents real memory in 2026: in-context buffers, semantic vector stores, and episodic long-term memory with code and framework comparisons.

DevToolLab Team·June 22, 2026

Best Countries for Remote Developers in 2026: Full Breakdown

Guide

6 min read

Best Countries for Remote Developers in 2026: Full Breakdown

The 8 best countries for remote developers in 2026: ranked by tax rate, visa ease, internet speed, and monthly cost of living with exact income thresholds.

DevToolLab Team·June 22, 2026

Vietnam vs India for Software Engineers 2026: Salaries, Talent, and When to Choose

Guide

8 min read

Vietnam vs India for Software Engineers 2026: Salaries, Talent, and When to Choose

Vietnam vs India for software engineers: 2026 salary data, talent pool, time zones, cost of living, and which market to hire from or build your career in.

DevToolLab Team·June 20, 2026

Guide

8 min read

OpenTelemetry Node.js Setup Guide 2026: Traces, Metrics, and Logs

Add OpenTelemetry to Node.js in 2026: traces, metrics, and logs with working code, Docker Compose dev stack, and a Jaeger vs Grafana Cloud backend comparison.

DevToolLab Team·June 19, 2026

Prompt Caching in 2026: Cut Your LLM API Costs by Up to 90%

Guide

8 min read

Prompt Caching in 2026: Cut Your LLM API Costs by Up to 90%

Prompt caching cuts LLM API costs up to 90% in 2026. Working code, pricing tables, and the one ordering rule for Claude, OpenAI, and Gemini.

DevToolLab Team·June 19, 2026

Best AI Code Documentation Generators in 2026: Ranked and Compared

Guide

14 min read

Best AI Code Documentation Generators in 2026: Ranked and Compared

Mintlify, Swimm, Stenography, GitHub Copilot, JSDoc, Doxygen, and Sphinx ranked by use case, pricing, and language support for 2026.

DevToolLab Team·June 14, 2026

Claude Fable 5 Shutdown: US Export Control Order Explained for Developers

General

12 min read

Claude Fable 5 Shutdown: US Export Control Order Explained for Developers

Anthropic disabled Claude Fable 5 and Mythos 5 three days after launch due to a US export control order. What happened, why, and how to migrate your API to Opus 4.8 right now.

DevToolLab Team·June 14, 2026