Tag: node.js

Node.js Start script or run command and handoff to OS (no waiting)

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Sometimes you want to run something in the OS from your node code but you do not want to follow it or have a callback posted on your stack. The default for child_process spawning is to hold on to a handle and park a callback on the stack. however there is an option which is…

hex2bin in node.js

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Basically it’s all over-engineered and does not work well. responses are out of alignment and though text-wise they are the same bit wise everything is all over the place : curl http://phpimpl.domain.com/testhex.php | xxd 00000000: de56 a735 4739 c01d f2dc e14b ba30 8af0 .Q.%G9…..;.0.. curl http://nodejs.domain.com/ | xxd 00000000: c39e 56c2 a725 4739 c380 c3ad…

Install node.js on Centos 6.8

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Epel’s yum install does not cut it anymore at time of writing installing node.js causes a mass of 404s and file not found.   current best approach : Enterprise Linux and Fedora Including Red Hat® Enterprise Linux® / RHEL, CentOS and Fedora. Node.js is available from the NodeSource Enterprise Linux and Fedora binary distributions repository….

package.json sample

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This is the basic structure for a node.js package file { "name": "Express-Basic", "description": "Demonstrating Express", "version": "0.0.1", "private": true, "dependencies": { "express": "3.x" } } nJoy 😉

Node.js and Express with HTTPS

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Quoting from the doco + some missing stuff: var express = require('express'); var https = require('https'); var http = require('http'); var app = express(); var fs = require('fs'); var options = { key: fs.readFileSync('test/fixtures/keys/agent2-key.pem'), cert: fs.readFileSync('test/fixtures/keys/agent2-cert.pem') }; http.createServer(app).listen(80); https.createServer(options, app).listen(443); nJoy 😉

Node.js handling mysql disconnects.

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You may lose the connection to a MySQL server due to network problems, the server timing you out, the server being restarted, or crashing. All of these events are considered fatal errors, and will have the err.code = ‘PROTOCOL_CONNECTION_LOST’. See the Error Handling section for more information. A good way to handle such unexpected disconnects is shown below:…