node.js Archives - Page 25 of 30

npm install vs. update – what’s the difference?

What is the practical difference between npm install and npm update? When should I use which? 5 s 5 The difference between npm ...

April 30, 2022
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Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)

I have my first node.js app (runs fine locally) – but I am unable to deploy it via heroku (first time w/ heroku ...

April 30, 2022
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How to get the full URL in Express?

Let’s say my sample URL is http://example.com/one/two and I say I have the following route app.get('/one/two', function (req, res) { var url = ...

April 29, 2022
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How do I test a single file using Jest?

I am able to test multiple files using Jest, but I cannot figure out how to test a single file. I have: Run ...

April 29, 2022
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Differences between socket.io and websockets

What are the differences between socket.io and websockets in node.js? Are they both server push technologies? The only differences I felt was, socket.io ...

April 29, 2022
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How to access the GET parameters after “?” in Express?

I know how to get the params for queries like this: app.get('/sample/:id', routes.sample); In this case, I can use req.params.id to get the ...

April 29, 2022
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Local dependency in package.json

I want to do something like this, so npm install also installs the package.json of ../somelocallib or more importantly its dependencies. "dependencies": { ...

April 29, 2022
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What is Node.js’ Connect, Express and “middleware”?

Despite knowing JavaScript quite well, I’m confused what exactly these three projects in Node.js ecosystem do. Is it something like Rails’ Rack? Can ...

April 28, 2022
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How to use executables from a package installed locally in node_modules?

How do I use a local version of a module in node.js. For example, in my app, I installed coffee-script: npm install coffee-script ...

April 28, 2022
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bodyParser is deprecated express 4

I am using express 4.0 and I’m aware that body parser has been taken out of the express core, I am using the ...

April 28, 2022
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