Tech Blogs - Tutorials Dojo

Data Preprocessing Guide for Beginners in ML ( Cloned )
Before machine learning (ML) models can generate predictions or insights, the raw data must first be cleaned, organized, and transformed into a suitable format for the model. This process is known as data preprocessing. It is the foundation of every successful ML project. It ensures that the model learns [...]
AWS Certified Generative AI Developer Professional Study Path
AWS has just unveiled the newest AWS Certified Generative AI Developer – Professional certification. This important credential is for developers and AI professionals who want to advance their careers by building, deploying, and improving high-quality generative AI applications on AWS. This certification confirms your skills in using foundation models [...]
Don’t Struggle with Kaggle: Build your First Data Science Project!
Are you a beginner wanting to start your very first data science or machine learning project, but don’t have the right hardware or enough storage capacity? Well, Kaggle is the perfect platform to start your journey! What is Kaggle? Kaggle is a powerful web-based platform that provides opportunities for [...]
Tech Burnout: Is It Really Inevitable?
What if the dream job, the one you've always been dreaming of and manifesting ever since, is quietly draining the life out of you? This exhaustion is a known feeling in the tech industry, where the relentless pressure forces professionals and students to push until they hit a wall. [...]
Rise of Microservices in Modern Apps: From One Block to Many
Have you ever thought about the pain of fixing just one small piece of a massive software system without accidentally breaking everything else? Honestly, most of the time, that is almost impossible. That challenge led to the rise of microservices in modern apps. It marked a shift from old monolithic [...]
High-Performing ≠ Massive: The Rise and Progression of Small Language Models (SLMs)
Have you ever needed to find a new charger for your device, only to discover that its voltage wasn’t compatible, causing it not to work or even risking damage? Without checking the actual needs of your device, you’ve probably thought that you could go with what the seller recommends [...]
Data Preprocessing Guide for Beginners in ML
Before machine learning (ML) models can generate predictions or insights, the raw data must first be cleaned, organized, and transformed into a suitable format for the model. This process is known as data preprocessing. It is the foundation of every successful ML project. It ensures that the model learns [...]
The Future Is Containerized: Why Every Cloud Engineer Should Care About Docker in 2025
In 2025, software development is moving faster than ever. Businesses demand speed, reliability, and scalability. Cloud infrastructure is no longer optional — it’s the backbone of modern applications, powering everything from streaming platforms like Netflix to AI-driven fintech solutions. In this fast-paced environment, one technology has emerged as a [...]
Chips & Brains: The Psychology of Human-AI Decision Making
Your smartphone just recommended the perfect restaurant, your GPS avoided traffic seamlessly, and your bank approved a loan in seconds—all without human intervention. The speed at which AI operates is awe-inspiring. Yet when the same AI suggests a medical treatment or hiring decision, we suddenly hesitate. This contradiction reveals [...]
Prevent EC2 Downtime: Setting Up Status Check Alarms to Auto-Reboot an Amazon EC2 Instance
When you’re running a production website on an EC2 instance, the last thing you want is for it to unexpectedly go down while you’re focused on other tasks. Without the right monitoring in place, you might not even realize your site has been offline for a while, and repeated [...]

OpenAI’s ChatGPT vs Amazon Lex

What is ChatGPT? OpenAI’s ChatGPT is an improved version of the GPT3 (Generative Pre-trained Transformer, released in 2020) language model specifically designed to generate human-like text for chatbot applications. ChatGPT is trained on a large dataset of conversation transcripts and is able to generate appropriate responses to a wide range of inputs, including questions and prompts. ChatGPT uses a transformer architecture, which is a type of neural network designed for natural language processing tasks. [...]

AWS Certified Cloud Practitioner Exam Experience

The AWS Certified Cloud Practitioner exam is a popular certification for individuals looking to demonstrate their knowledge of the Amazon Web Services (AWS) cloud platform. This certification is suitable for individuals who are new to the AWS cloud and those who want to validate their understanding of the core AWS services and their use cases. The exam covers a wide range of topics, including the fundamentals of cloud computing, the AWS global infrastructure, the [...]

AWS re:Invent 2022 Announcements for AWS Machine Learning Engineers and Data Scientists

Every year, professionals all around the world attend the most transformative tech event — AWS re:Invent. Here, a LOT of new AWS services and capabilities are announced and discussed. In this post, we will focus on the major announcements relevant to data scientists and ML engineers! A Gentle Introduction to Amazon SageMaker The major announcements discussed in this post focus on SageMaker, so we will spend a paragraph or two quickly talking about the [...]

AWS re:Invent 2022 Highlights

If you’re new to AWS and haven’t heard of re:Invent, this is a global cloud community event where AWS announces new features and services. You also get to meet like-minded IT professionals who are eager to learn more about cloud computing. For November 28, 2022 - December 2, 2022, the biggest, most comprehensive, and the most vibrant event will be held again in Las Vegas. In this article, we’re going to take a look [...]

What is Prometheus?

What is Prometheus? Prometheus is an open-source system monitoring and alerting toolkit originally built at SoundCloud. This tool's primary function is to collect and store metrics as time series data. For example, suppose you have a running web application that is too slow. You can use Prometheus to determine the response time of a web server or the number of active connections/queries in a database. Features: Multi-dimensional data model with time series data identified [...]

What is Grafana?

What is Grafana? Grafana is an open-source analytics and interactive visualization web app. When connected to supported data sources, it displays charts, graphs, and alerts on the web. The product is described as a "complete observability stack,” which includes everything you need to interact with your data. How It Works To visualize and analyze data in a dashboard, you’ll need to set up the following: Server - produces the data that you want [...]

How to View your Actual AWS Bill if you have AWS Credits

Having AWS Credits can significantly reduce the cost of your cloud resources in your AWS account. However, there are some changes in your AWS Billing and Cost Management console that you must be aware of, to ensure that you still understand the running cost of your cloud services. You can easily view the actual bill of your Amazon Web Services (AWS) account on the Bills page by default, which you can access via the [...]

My AWS Certified Solutions Architect Professional SAP-C02 Exam Experience

I just passed the latest version of the AWS Certified Solutions Architect Professional SAP-C02! What a way to end the year strong! In this short article, I'll quickly discuss what this SAP-C02 exam is all about and the different things that can help you pass this mind-boggling test. The New AWS Certified Solutions Architect Professional Exam The AWS Certified Solutions Architect - Professional SAP-C02) exam is one of the two Professional-level certification tests of [...]

My SAA-C03 AWS Certified Solutions Architect – Associate Exam Experience

My team and I took the recently released AWS Certified Solutions Architect - Associate SAA-C03 exam version recently. The SAA-C03 test replaced the old SAA-C02 exam version last August. If you can compare the official exam guide of the previous SAA-C02 version with the latest one (SAA-C03), you may notice that the exam domains are almost exactly the same but with quite different domain percentages. For example, the "Design Secure Applications and Architectures" domain [...]

AWS Certified Solutions Architect SAA-C03 Content Update

With the new version of AWS Certified Solutions Architect - Associate exam coming out very soon, we are delighted to let you know that we started transitioning our SAA practice exams from the SAA-C02 to the new SAA-C03 exam version based on the brand new cloud services that AWS recently released. We also released the new SAA-C03 version of our AWS Certified Solutions Architect - Associate Study Guide eBook quite recently. As for our [...]