Categories
Mastering Development

WebGL Point Lighting Issue

I have attempted to create a rotating cube in WebGL and texture it by using the texture mapping technique, which I think worked fine. The cube rotates so as to try and demonstrate the (point) lighting I have tried to implement, but it seems to act in an unexpected fashion and I’m not really sure […]

Categories
Mastering Development

Create a model using SVM in R

I need some help with creating SVM models and ROC curve in R. I got several errors:Error in levels(data[, “pred”]) : argument “data” is missing, with no default. Error: Every row has at least one missing value were found. How should I fix it? Thanks in advance!! Here’s the google drive link to the dataset:data […]

Categories
Mastering Development

Is there any config in laravel to disable function parameters logging during stack trace?

Below is the log getting printed when an exception occurs in application: “message” => “Unhandled critical exception occured”, “context” => [ “class” => “Flight\\Exception\\FlightBookingErrorException”, “code” => “GATEWAY_ERROR_UNKNOWN_ERROR”, “message” => “Booking processing failed due to error at bank or wallet gateway\nGateway Error Code=> \nGateway Error Desc: “, “data” => [], “stack” => [ “#0 /app/app/Http/Controllers/PaymentController.php(25): Flight\\Models\\Booking\\Service” […]

Categories
Artificial Intelligence (AI) Mastering Development

How can I train a neural network if I don’t have enough data?

I have created a neural network that is able to recognize images with the numbers 1-5. The issue is that I have a database of 16×5 images which ,unfortunately, is not proving enough as the neural network fails in the test set. Are there ways to improve a neural network’s performance without using more data? […]

Categories
CMS Magento Mastering Development

How to Remove all tier prices from product and Add new tier prices in Magento 2.3.4

Currently i have a custom API to live feed the product tier prices with data like this: [ { “sku”:”X772A5″, “customer_group_id”:”1″, “website_id”:”2″, “qty”:”5″, “price”:”500″ }, { “sku”:”X772A5″, “customer_group_id”:”2″, “website_id”:”2″, “qty”:”2″, “price”:”450″ }, { “sku”:”X772A5″, “customer_group_id”:”1″, “website_id”:”1″, “qty”:”5″, “price”:”490″ }, { “sku”:”X8911V”, “customer_group_id”:”2″, “website_id”:”1″, “qty”:”2″, “price”:”120″ } ] the data contain the product ski , customer […]

Categories
Mastering Development

Why is my csv file only writing one line?

import csv def write_to_dictionaries_to_csv(csvWriter,lst_dic,lst_keys): for dic in data: lst = [] for key in lst_keys: if key in dic: value = dic[key] lst.append(value) return lst data = [{‘tow_reason’: ‘IL’, ‘tow_date’: ‘2013-06-18’}, {‘tow_date’: ‘2014-09-25’, ‘tow_reason’: ‘GA’}] with open(“smallDataFileIWrote.csv”, ‘w’) as f_out: csv_w = csv.writer(f_out) result = write_to_dictionaries_to_csv(csv_w, data, [‘tow_reason’,’tow_date’]) csv_w.writerow(result) Why is this code only writing: […]

Categories
Mastering Development

Updating in chart.js

I’m trying to figure out how to update a chart.js chart. Google’s returned with a lot of answers and I think some are outdated because I can’t seem to get any of the solutions to work. The documentation page says just use chartname.update() but it doesn’t seem to work for me. I already checked console […]

Categories
CMS Mastering Development

CSRF in plugin dashboard widget 400 error

Yes, it’s another csrf question, the standard, 400 Error – Bad Request: Unable to verify your data submission. If in config/general.php I set ‘enableCsrfProtection’ => false, then everything works nicely. So it’s definitely a csrf problem. Here’s the twig template for the widget: src/templates/_components/widgets/Livestream_body.twig ——————— <script type=”text/javascript”> window.csrfTokenName = “”; window.csrfTokenValue = “”; </script> and […]

Categories
Artificial Intelligence (AI) Mastering Development

Is my backpropagation code correct?

This is the Matlab/Octave function for back propagating a XOR ANN, however, it doesn’t seem to work and it converges to 0.5. Is it correct? If you need more parts of the code just ask for them! sigmoid = @(z) 1./(1 + exp(-z)); sig_der = @(y) sigmoid(y).*(1-sigmoid(y)); function [w1, w2, b1, b2] = backprop(w1,w2,b1,b2,mid_layer,last_layer,data,cost,sig_der,sigmoid,i) delta2 […]