All Questions
39 questions
2
votes
1
answer
202
views
Learning asynchronous caching by implementing one
After implementing a serial CLOCK second-chance cache in C++ without having enough rope to shoot myself in the foot, decided to dive into Javascript through NodeJs and write an asynchronous one. I ...
3
votes
2
answers
2k
views
Send multiple REST requests at the same time. (node)
Below is a (very) simplified version of a function I made that creates multiple REST requests to gather needed information.
Things to note:
One of the REST calls is dependent upon the output of ...
6
votes
1
answer
889
views
Nodejs async with express server
I use the following code which works as expected. The code uses open ID connect to login user. Because I'm pretty new to node and express, it will be great if I can ...
3
votes
1
answer
1k
views
NodeJS executing multiple database queries using async library
I have a use case where I need to run multiple tasks in series. Each task is required to perform some database operations. In my code step_1, ...
2
votes
0
answers
274
views
Node.js async task queue implementation
Here is an async task queue implementation. The idea is to reuse node.js standard library as much as possible.
...
4
votes
1
answer
395
views
Data encryption / decryption on Node.js
I've implemented my first data encryption / decryption methods on Node.js.
Although it might look similar to hundreds of sample implementations available online, I'm curious to get a feedback.
I'm ...
3
votes
0
answers
673
views
Example Multiple Async Await Calls Javascript
I need to make an unknown number of api calls, up to 5 max probably. But most samples I've seen show only a couple of async calls so are effectively hard coded to the number of calls being made.
This ...
3
votes
0
answers
64
views
Node/Express authenticate Google email address
Trying to set up express server that will authenticate a user's Google email before proceeding.
The code below works, but is there any way to make it more elegant?
The whole ...
1
vote
2
answers
113
views
Error handling for a simple 'fetch some data, then save the data' Node function
This is a fairly simple bit of code:
...
3
votes
1
answer
2k
views
Concurrent fire and forget async task queue
I had to do a lot of IO stuff on my server running Node JS where I did not really care about the result of the operations. The list of incoming tasks could be huge, so I had to limit the number of ...
3
votes
0
answers
35
views
Testing whether pages can be fetched from two ports
I have an endpoint in my API which does a port test on 4455 and 4456 once a client GET's it. This is accomplished by requesting two web pages. The result will respond to the client with a JSON object:
...
2
votes
3
answers
862
views
Fetching user details, posts, and comments using promises in ExpressJS
I'm creating an API service in NodeJS using Express (version 4) Framework. Created an MVC architecture for the same (no views, only model, and controller as this is an API).
Also, there are routes. ...
3
votes
1
answer
4k
views
Nested loop with synchronous and asynchronous behavior
The problem is as follows. I have an array of objects like so:
...
8
votes
3
answers
697
views
Node.js module using Promises (client for KeePassHttp)
This is my first Node module, as well as the first time using Promises in Javascript. It is a client for the KeePass plugin "KeePassHTTP" to expose passwords securely, which I am planning on using to ...
0
votes
1
answer
20k
views
Synchronous loop with internal asynchronous calls
Below I've written a simple version of what I'm attempting to accomplish. I'm new to asynchronous functions, so it's difficult to wrap my head around this. My goal is to wait for the loop to finish ...