Introduction When working with machine learning models, especially in regression tasks, it’s crucial to evaluate how well your model is performing. One of the most commonly used metrics for this purpose is Mean Squared Error (MSE). In this blog, we’ll break down what MSE is, why it’s important, and walk through a simple Python example […]

1) What is Object-Oriented Programming (OOP)? Answer:   OOP is a programming paradigm based on the concept of objects, which  can contain data in the form of fields (attributes or properties), and code in the form of procedures (methods or functions). 2) What are the four main principles of OOP? Answer:   Encapsulation, Inheritance, Polymorphism, and Abstraction. […]

In this video, I’ll show you how to install and run a Python Flask web application in Google Colab and expose it to the internet using Ngrok. Learn how to set up Flask, handle Ngrok for public URLs, and test your Flask app live. This tutorial is perfect for Python developers who want to quickly […]

These are the concepts that I follow to learn anything in a better way:   How to become expert at thing: 1. iteratively take on concrete projects and accomplish them depth wise, learning “on demand” (ie don’t learn bottom up breadth wise) 2. teach/summarize everything you learn in your own words 3. only compare yourself […]

“Develop a habit of working on your own projects. Don’t let “work” mean something other people tell you to do. If you do manage to do great work one day, it will probably be on a project of your own. It may be within some bigger project, but you’ll be driving your part of it.” […]

Sometimes when you run git update & composer update, it updates codeigniter framework, then suddenly your app stops working unless you upgrade your codebase as per new framework requirement or downgrade to last version that you had. The below is the command to downgrade codeigniter to a version: # composer require codeigniter4/framework:4.1.5  

<?php $offset = 0; $limit = 10; $url = "http://api.1318amethyst.com/api/v1.1/affiliates?all_details=1&offset=$offset&limit=$limit"; $ch = curl_init($url); curl_setopt($ch, CURLOPT_HTTPGET, TRUE); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($ch, CURLOPT_HTTPHEADER, array( "auth_token:6d4888962feba3c669176b81edacb185", "accept:application/json", )); $raw_response = curl_exec($ch); $response = json_decode($raw_response); $error = curl_error($ch); $tmp_file = 'h3.txt'; if ($error) { $response->error = curl_error($ch); } else { file_put_contents($tmp_file, $raw_response); //$this->file_transfer->send_file($tmp_file, $tmp_file); } curl_close($ch); echo $raw_response; ?>

<?php $offset = 0; $limit = 10; $url = "http://api.1318amethyst.com/api/v1.1/campaigns?all_details=1&offset=$offset&limit=$limit"; $ch = curl_init($url); curl_setopt($ch, CURLOPT_HTTPGET, TRUE); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($ch, CURLOPT_HTTPHEADER, array( "auth_token:6d4888962feba3c669176b81edacb185", "accept:application/json", )); $raw_response = curl_exec($ch); $response = json_decode($raw_response); $error = curl_error($ch); $tmp_file = 'h2.txt'; if ($error) { $response->error = curl_error($ch); } else { file_put_contents($tmp_file, $raw_response); //$this->file_transfer->send_file($tmp_file, $tmp_file); } curl_close($ch); echo $raw_response; ?>

<?php $offset = 0; $limit = 10; $url = "http://api.1318amethyst.com/api/v1.1/advertisers?all_details=1&offset=$offset&limit=$limit"; $ch = curl_init($url); curl_setopt($ch, CURLOPT_HTTPGET, TRUE); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($ch, CURLOPT_HTTPHEADER, array( "auth_token:XXXXXXXXXXXXXXXX", "accept:application/json", )); $raw_response = curl_exec($ch); $response = json_decode($raw_response); $error = curl_error($ch); $tmp_file = 'h1.txt'; if ($error) { $response->error = curl_error($ch); } else { file_put_contents($tmp_file, $raw_response); //$this->file_transfer->send_file($tmp_file, $tmp_file); } curl_close($ch); echo $raw_response; ?>

$pdf = new PdfLibrary('P', 'mm', 'A4', true, 'UTF-8', false); //$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false); $pdf->SetTitle('My Title'); $pdf->SetHeaderMargin(30); $pdf->SetTopMargin(30); $pdf->setFooterMargin(30); $pdf->SetAutoPageBreak(true); $pdf->SetAuthor('Author'); $pdf->SetDisplayMode('real', 'default'); $pdf->AddPage(); $pdf->SetLineStyle( array( 'width' => 5, 'color' => array(0,0,0))); $pdf->Line(0,0,$pdf->getPageWidth(),0); $pdf->Line($pdf->getPageWidth(),0,$pdf->getPageWidth(),$pdf->getPageHeight()); $pdf->Line(0,$pdf->getPageHeight(),$pdf->getPageWidth(),$pdf->getPageHeight()); $pdf->Line(0,0,0,$pdf->getPageHeight()); //https://ourcodeworld.com/articles/read/275/how-to-encrypt-a-pdf-password-protection-against-copy-extraction-or-modifications-generated-with-tcpdf-in-php //$pdf->SetProtection(array('print', 'copy','modify'), "ourcodeworld", "ourcodeworld-master", 0, null); $pdf->SetMargins(10, 20, 10, true); //$pdf->Write(5, 'Some sample text'); […]