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express

Express.js web application framework

WebExpress app.listen vs http.createServer: Node Express Server Methods

Learn the differences between app.listen() and http.createServer(app).listen() in Node Express, when to use each approach, and their configuration implications.

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WebNode.js Connect, Express Middleware vs Rack Explained

Understand Node.js Connect as middleware foundation, Express extensions, their relations in the ecosystem, and similarities to Ruby on Rails' Rack. Includes code examples and comparisons for web development.

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WebUse 404 Not Found for REST API GET Missing Resource

Return 404 Not Found for GET /api/{id} when the requested REST resource doesn't exist. Include a concise JSON error body. Use 200 for empty collections.

1 answer• 1 view
WebFix Express.js async Mongoose undefined responses now

Fix Express.js routes returning undefined from Mongoose. Use async/await or .then() with try/catch so res.json sends findById result after promise resolves.

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WebFix Express.js res.json() Array Response Issue - Last Element Only

Learn how to fix Express.js res.json() returning only the last element of an array instead of the full array. Solutions for proper array handling in Express APIs.

1 answer• 1 view