how to use CryptoJS in javascript
Here’s a sample on how to use CryptoJs in webclient:
node.js
What is the –save option for npm install?
Update npm 5: As of npm 5.0.0, installed modules are added as a dependency by default, so the –save option is no longer needed. The other save options still exist and are listed in the documentation for npm install. Original answer: Before version 5, NPM simply installed a package under node_modules by default. When you were trying to install dependencies for your app/module, … Read more
Heroku + node.js error (Web process failed to bind to $PORT within 60 seconds of launch)
Heroku dynamically assigns your app a port, so you can’t set the port to a fixed number. Heroku adds the port to the env, so you can pull it from there. Switch your listen to this: That way it’ll still listen to port 5000 when you test locally, but it will also work on Heroku. … Read more
NPM ELIFECYCLE error – using node server.js command
I am deploying test-bot on ibm watson as described here https://github.com/eciggaar/text-bot and when I am trying to deploy code locally using CLI foundry it is getting the following errors. I am using Nodejs version 6.10.3 and npm version 5.0.4 can someone please help me with this.
How do I resolve “Cannot find module” error using Node.js?
Using npm install installs the module into the current directory only (in a subdirectory called node_modules). Is app.js located under home/dave/src/server/? If not and you want to use the module from any directory, you need to install it globally using npm install -g. I usually install most packages locally so that they get checked in along with my project code. … Read more
Error: getaddrinfo ENOTFOUND in nodejs for get call
getaddrinfo ENOTFOUND means client was not able to connect to given address. Please try specifying host without http: Regarding learning resources, you won’t go wrong if you start with http://www.nodebeginner.org/ and then go through some good book to get more in-depth knowledge – I recommend Professional Node.js , but there’s many out there.
How to obtain username from Promise?
I am using Discord.js and I have no idea how to get the value out of a Promise. Here is some context: and I get the output: My issue is that I can obviously get my username and print it to console, but I can’t get it out of the Promise. How do I get … Read more
What does “res.render” do, and what does the html file look like?
What does res.render do and what does the html file look like? res.render() function compiles your template (please don’t use ejs), inserts locals there, and creates html output out of those two things. Answering Edit 2 part. So, the template path is views/ (first part) + orders (second part) + .ejs (third part) === views/orders.ejs Anyway, express.js documentation is good for what it does. It is API … Read more
“Topology was destroyed” when using MongoDB with native driver and Express.js
This is because the code contains an anti-pattern: every time a new request comes in, it opens a new database connection, then closes that connection once the response was sent. It then subsequently tried to reuse the closed connection, hence the error message you’re seeing on the 2nd request. What you want is to connect … Read more
What does the ELIFECYCLE Node.js error mean?
What does ELIFECYCLE mean? Here’s my app code: https://gist.github.com/samholmes/388ca4552c5936b52c5d When I run the ‘blast-emails’ command, it will run for a while until shortly crashing with the error: The npm-debug.log file is also included in the gist. I’m looking for one of two answers: What does ELIFECYCLE mean? (or) Why am I getting the error in my application code?