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Blogs World

@blogs-worldJoined May 2025

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Ankit Khoiwal - Web Development & JavaScriptankitkhoiwal.hashnode.dev11 posts

Metro Is "Running" but the App Never Loads: A curl-First Triage for React Native

The terminal says Metro is running. The emulator shows a white screen, a spinner that never ends, or "Unable to load script". So you do what everyone does: kill Metro, run --reset-cache, delete node_m

1d ago · 5 min readankitkhoiwal.hashnode.dev

Supabase RLS Returns [] Instead of an Error: 6 Policy Mistakes Behind "Missing" Rows

You turn on Row Level Security, run supabase.from('todos').select('*') from your app, and get back []. No error. No 401. The rows are clearly in the table, because you can see them in the dashboard. T

Oct 14 · 8 min readankitkhoiwal.hashnode.dev

Docker Compose depends_on Is Not Readiness: Healthchecks That Actually Gate Startup

You run docker compose up, the database container starts first exactly like depends_on says, and your API still crashes with ECONNREFUSED, Connection refused, or could not connect to server. Run it ag

Oct 7 · 5 min readankitkhoiwal.hashnode.dev

Stop Pasting API Keys into Random JSON Formatters

You paste a response into a "free JSON formatter." It looks fine. You move on. But that paste sometimes includes more than pretty braces — tokens, Authorization headers, webhook secrets, or a chunk of

Sep 25 · 2 min readankitkhoiwal.hashnode.dev

Laravel Sanctum 419 Error: Why It Happens and How to Fix It

Laravel Sanctum authentication can appear deceptively simple: GET /sanctum/csrf-cookie POST /login GET /api/user Until this appears: 419 Page Expired Then the debugging begins. You change CORS. You

Sep 8 · 11 min readankitkhoiwal.hashnode.dev

Blogs World

About

Available for

Blogs World's blogs

Metro Is "Running" but the App Never Loads: A curl-First Triage for React Native

Supabase RLS Returns [] Instead of an Error: 6 Policy Mistakes Behind "Missing" Rows

Docker Compose depends_on Is Not Readiness: Healthchecks That Actually Gate Startup

Stop Pasting API Keys into Random JSON Formatters

Laravel Sanctum 419 Error: Why It Happens and How to Fix It

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Blogs World

About

Available for

Blogs World's blogs

Metro Is "Running" but the App Never Loads: A curl-First Triage for React Native

Supabase RLS Returns [] Instead of an Error: 6 Policy Mistakes Behind "Missing" Rows

Docker Compose depends_on Is Not Readiness: Healthchecks That Actually Gate Startup

Stop Pasting API Keys into Random JSON Formatters

Laravel Sanctum 419 Error: Why It Happens and How to Fix It