Category "web"

Blockly: Update other inputDummy dropdown fields based on selection of a inputDummy dropdown field

I've been trying to make a custom block in the Blockly workspace that changes the options in drop-down fields based on the selection of a previous drop-down fie

Website Performance Issue [closed]

If a website is experiencing performance issues all of a sudden, what can be the reasons behind it? According to me database can one reason or

How REST API handle continuous data update

I have REST backend api, and front end will call api to get data. I was wondering how REST api handles continuous data update, for example, in jenkins, we wil

Failed to load resource: the server responded with a status of 502 (Bad Gateway)

How can you solve a 502 error? I believe whats causing the 502 error is a nested loop that contains heavy calculations. It would take up to 2 minutes for it t

convert recording audio to buffer

I want to record audio in javascript and convert it to a buffer at the time (not saving it to a file and then converting it to a buffer). how I can do this? I t

Spring boot + thymeleaf in IntelliJ: cannot resolve vars

I'm writing a short web form application using spring boot and thymeleaf on IntelliJ, but it seems that in the html file, all fields in the model cannot be reso

add a serial number while performing iteration in thymeleaf

I have a senario in which i must perform iteration on a list and display result as a grid.Also include serial number in it. Now what I did for serial number is

CSS Semi-Transparent box

I want a semi transparent div for better readability of the site's content, over my background image. The div has rounded corners, and I am having trouble combi

Mixed named and unnamed function parameters

I have this function for authenticating JWT tokens (not middleware), which says: package main import ( "net/http" "log" "fmt" "github.com/dgrijalva/jwt-go" )

class LaratrustSeeder does not exist

I tried to clear the cache and config and do vendor and dumpload everything but keeps telling me the class Laratrust does not exist I am using laravel 8 any s

Flutter iOS - How to hide the DONE button at the top of the ios keyboard?

The DONE button doesn't work on Flutter Web (Safari, Chrome). I just added a Textformfield Widget to 'Counter Example Project' and built it on Chrome. And I acc

Halt batch file until website stop is complete?

This question is very similar to Halt batch file until service stop is complete? but I would like to stop a website instead. I currently have appcmd stop sites

What are other options for storing data in a web application besides a database? [closed]

I have a pretty small database (15 tables, ~1000 rows) that is being accessed very frequently to get data. I was wondering what other options

Java velocity vm file #set use boolean variable

We can not use Boolean variable by #set when I find velocity project guidelines in Apache official site, but it is also worked when I use in my project. #set($

how to compare only date from a model's datetimefield with current date?

I want to use Model.objects.filter(datetime_lte=datetime.datetime.now.date()) How exactly can I achieve this? I am using django 1.6.5. I want only records of cu

TypeScript: problems with type system

I'm just testing typescript in VisualStudio 2012 and have a problem with its type system. My html site has a canvas tag with the id "mycanvas". I'm trying to dr

PHP | "The requested PHP extension bcmath is missing from your system."

Greetings fellow developers, I am trying to use composer for a PHP project of mine on a development server I recently booted up and for some reason I am unable

Uncaught Error: Based on the provided shape, [1024,3], the tensor should have 3072 values but has 30

I am trying to build a Tensorflow.js app, it works all good locally, but when I hosted it (I tried Netlify and Vercel on both Firefox and Chrome) I got this err

how to install Socket.io over node.js?

I will need any help i can get to install socket.io over node.js for server. I have already installed the node from the site. I am interested in step- by step(

How to exclude tagged posts from Facebook Graph API response

I'm using v 2.8 of the Facebook Graph API, and am trying to get a list of all posts from a Facebook page, but excluding all mentions of the page from random pub