Tech Blogs - Tutorials Dojo

Automating Publications with Claude, Canva, and n8n
Every business that runs a social media page knows the same repetitive cycle. Pick a topic. Write a caption. Design a graphic. Post it on schedule. Repeat tomorrow. Multiply that by every campaign, every seasonal push, every recurring content series, and it becomes a real operational cost, not just [...]
AI Ethics Explained: How to Use Artificial Intelligence Responsibly
Have you ever used ChatGPT to help explain a difficult topic? Maybe you've asked Gemini to summarize a lengthy article, generate ideas for a school project, write an email, or even use Claude for brainstorming concepts. If you're a student, you've probably wondered: "Is it okay to use AI [...]
Fine-tuning an LLM for natural Tagalog speech
If you're an ML engineer or a technical lead planning to pre-train a large language model (LLM) for Tagalog or Taglish, how do you start? In this article, we walk through the process of defining a target voice, building a data pipeline, running a QLoRA training experiment, and evaluating [...]
Building Diffender: A Serverless AI Security Reviewer for GitHub Pull Requests with Amazon Bedrock
A pull request can pass its tests, satisfy its acceptance criteria, and still expose a production credential in one line of code. Diffender is an Amazon Bedrock pull request reviewer built to identify that kind of risk before the change reaches the main branch. However, human review remains essential, [...]
AWS Certification Maintenance: Recertify Without an Exam
Many AWS-certified professionals face the same challenge every few years: preparing for another certification exam while balancing work, projects, and personal commitments. While certifications remain a valuable way to validate cloud expertise, the traditional recertification process can be time-consuming and stressful. To address this, AWS has introduced a new [...]
CCDV-F Claude Certified Developer Foundations Study Guide
Bookmarks CCDV-F Exam Domains CCDV-F Study Materials Claude Features to Focus On Key Exam Topics by Domain Important Skills Validate Your Readiness Final Remarks The Claude Certified Developer – Foundations (CCDV-F) certification is designed for technical professionals who build, [...]
CCAR-P Claude Certified Architect Professional Study Guide
Bookmarks CCAR-P Exam Domains CCAR-P Study Materials Claude Features to Focus On Key Exam Topics by Domain Important Skills Validate Your Readiness Final Remarks The Claude Certified Architect – Professional (CCAR-P) certification is designed for experienced professionals who build [...]
CCAO-F Claude Certified Associate Foundations Study Guide
Bookmarks CCAO-F Exam Domains CCAO-F Study Materials Claude Features to Focus On Key Exam Topics by Domain Important Skills Validate Your Readiness Final Remarks The Claude Certified Associate – Foundations (CCAO-F) certification is designed for professionals who use Claude [...]
CI/CD Crash Course: From Junior to Senior Developer
Continuous Integration and Continuous Delivery/Deployment (CI/CD) is the backbone of modern software teams. It's not just a buzzword for your resume — it's the automated pipeline that takes code from "it works on my machine" to "it works in production, reliably, every time." Understanding CI/CD deeply, not just using [...]
Everything You Need to Know About Harness Engineering
AI agents can now write code, browse the web, and run for hours without a human watching. Ask one to build a feature, and it might open ten files and call five tools. It can make a hundred small decisions before it ever shows you a result. That is [...]

What is Amazon Bedrock AgentCore?

Imagine spending months building an AI agent that integrates seamlessly into your development environment. It employs tools, responds to inquiries, and completes duties precisely as planned. But moving it to production becomes a nightmare: suddenly, you are dealing with scale problems, security concerns, authentication systems, and API interfaces. What should have been a simple deployment becomes weeks of infrastructure labor unrelated to your agent's intelligence. This production gap is the bane of countless developers, [...]

A New Player in Town: Google Antigravity

On Wednesday, Google, the creators of Gemini, one of the top competitors of popular LLMs like ChatGPT (developed by OpenAI), recently launched their first AI agentic development IDE, known as Google Antigravity. Built for a wide range of customers, it is targeted to both professional developers working on large enterprise codebases and hobbyists vibe coding in their spare time. It provides installation support for Windows, MacOS, and Linux. In the rising wave of AI-powered [...]

Neural Networks and Images with Convolution

In the age of artificial intelligence, it is common to meet the term neural network, seeing diagrams of neurons connecting to other neurons, programmers training models, and so on. Here, we will discuss how neural networks are similar to plain mathematical functions (models), how they build upon traditional linear regression, and their application to visualize images with convolutional neural networks. The usual pedagogy for learning neural networks begins with the iconic diagram: columns of [...]

What’s New in AWS Certified Security Specialty SCS-C03 Exam in 2025-2026?

The AWS Certified Security Specialty exam, last updated on July 11, 2023, is set to undergo another official update. The AWS Training and Certification team is releasing a new version, with an exam code of SCS-C03, available on December 02, 2025. You can register for the latest updated SCS-C03 Certified Security Specialty exam as early as November 18, 2025. Take note that the last day that you can take the soon-to-be decommissioned SCS-C02 exam [...]

Document Embeddings Explained: A Guide for Beginners

Every day, billions of lines of text, emails, articles, and messages are created online. Making sense of all this unstructured data is one of the toughest challenges in modern AI. Document embedding is a fundamental concept that overcomes this problem. These are dense, numerical vectors that transform words, sentences, or entire documents into meaningful points in a high-dimensional space. These vectors capture the meaning and context of the original text. Because of this, machine [...]

AWS Certified Generative AI Developer Professional Certification AIP-C01 Exam Guide and AIP-C01 Exam Topics List

Recently, the AWS Certification team released its 3rd Professional level certification on November 2025 named AWS Certified Generative AI Developer Professional with an exam code of AIP-C01. This completes its trifecta of AI-related certifications, starting from the AIF-C01 AWS Certified AI Practitioner and MLA-C01 AWS Certified Machine Learning Engineer Associate exams. As new technologies emerged from the rapid adoption of Generative AI (GenAI) technologies, this brand new GenAI Developer from AWS helps organizations filter [...]

Mastering AWS Made Easy: A Beginner’s Guide to the Knowledge MCP Server

Let’s be honest, keeping up with AWS feels like chasing a moving target. One minute you’ve mastered EC2 and Lambda, and the next, there’s a new service, multiple updates, and several ways to configure the same feature. For developers and architects exploring AI integrations, that learning curve becomes even steeper. AWS offers massive amounts of documentation enough to fill a library but finding what you actually need, like the right API reference or regional [...]

How Model Context Protocol (MCP) Servers Powered Modern Large Language Models (LLMs)

In today’s fast-growing world of artificial intelligence, Large Language Models (LLMs) like GPT, Claude, and Grok are becoming critical to digital transformation. These models can write human-like text, understand complex questions, and even automate business tasks. As LLMs became smarter, they faced a major problem: managing context. Early versions struggled to maintain consistent conversations, use real-time data, and handle large workloads. To solve this, Model Context Protocol (MCP) Servers were introduced. They help LLMs [...]

Building an Amazon Nova AI Chatbot Using Bedrock

If you ever want to build your own AI chatbot on Amazon, this guide will show you how. You’ll create a working, serverless chatbot powered by Amazon Bedrock Nova, one of the easiest ways to try foundation models on Amazon. The setup is simple, fully managed, and does not require hosting your own model or dealing with complex infrastructure. We’ll use Amazon Bedrock, AWS’s service for running and managing foundation models. It gives you [...]

Crowd Detection: How AI Predicts Busy Areas

You might use Google Maps in your daily commute, but have you ever wondered how it provides real-time traffic data? Or how it highlights the busiest areas and even the popular times for a business? To achieve this, Google powers these features with large-scale analysis and crowdsourcing from our smartphone location data. Subsequently, an artificial intelligence (AI) application is used to also predict crowd levels in the coming hours and days, instead of being [...]