I am trying to pass python json results to html ajax from node js. What I want to make is, take some inputs from the client side, and when a submit button is hit, ajax is sending the variables to Node JS then the /data middleware runs a python script which handles the DB and stores the variables and showing
Tag: express
Changing a column value to several records in a consecutive fashion using clever statements in SQL
I have a Postgres table that has an order view field in her, I’m using Nodejs with express This order view is of type INTEGER and has the constraints of NOT NULL and UNIQUE Inserting a new record may bring problems with that, because, if the existing records have view orders of, say, [1, 2, 3, 4, 5], and the
Reset password token with crypto in an Express app
I have this forgot password handler in my Express app. I send an email with a crypto.randomBytes(20).toString(“hex”) token, that I use later to verify the request. It is working perfectly. However, I have seen that people are hashing this token before sending it and storing in the data base, and I don’t see why, cause it is already a random
Getting ‘error: syntax error at or near…’ in Postgresql insert query
I’m fairly new at Postgresql and learning new things everyday. So I have this blog project where I want to use PostgreSQL as a db. But I’m kind of stuck at the most basic insert query which is throwing an error. I have three tables, posts, authors and categories. I could create the table properly I guess but when I
How to export function as function expression in express node js
I have a function I am exporting this in the main route file But when I running the code it’s giving this error Error: Route.post() requires a callback function but got a [object] Object What I am doing wrong? Answer You’re trying to use the exports object as though it were a function. If you want to only export the
Reactjs- Edit form not updating the database table
I am trying to create an edit form that will enable me update data in a table. When I click on the ‘edit’ button on my table it correctly redirects me to the edit form and data is also being correctly filled into the respective fields of the form, no issue there. The only issue I am facing is that
Unit testing a method that creates a JWT and returns Error: secretOrPrivateKey must have a value
I am trying to write a unit test for the method I wrote which generates a JWT. I am doing the following describe(‘returns a token’, function() { it(‘should return a token’, function() { …
Simple Tutorial code not getting data from a Login form (express js)
So I am following a YouTube Tutorial on how to set up a simple login server (channel name: web dev simplified, video: “Node.js Passport Login System Tutorial”) The code (at the stage I am at …
Handling Mongoose Query Errors in Express.js
So let’s say I want to make a Mongoose query to a database, inside of an Express post route: app.post(“/login”,(req,res)=>{ const username = req.body.username const password = req….
Subquery in node.js sometimes works and sometimes not
i have created a node.js query where it works fine sometimes , it is an insert of a club and then insert the players in a second query , there is a subquery that takes the last inserted id of the Auto …