Tech Blogs - Tutorials Dojo

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, call five tools, and make a hundred small decisions before it ever shows you a result. That's a different animal [...]
Should Philippines Make Its Own Local Large Language Model?
As countries all around the world are beginning to seriously invest in their own models, there is a growing debate on whether the country should create its own local large language model. If we do, would it be cost-effective? And if it is, would it be beneficial? As [...]
How to Balance Business Goals with User Needs in UI/UX: A Data-Driven Approach
The Tug-of-War Balancing business goals with user needs in UI/UX is a challenge every designer eventually runs into. Users want fast, free, and beautiful experiences with no friction anywhere. The business, meanwhile, wants high conversion rates, low hosting costs, and a fast time-to-market. These two wish lists are not always [...]
UI/UX Design: Speeding Up the Creative Process with AI
The Builder's Mindset If you have ever stared at a blank Figma canvas with a deadline looming — a thesis defense, a hackathon demo, or just a personal app idea you finally want to ship — you already know that speed matters as much as polish. A traditional UI/UX [...]
Agentjacking: How Fake Sentry Errors Hijack AI Coding Agents
AI coding agents like Claude Code, Cursor, and Codex now do far more than autocomplete. They read source code, query observability platforms, open pull requests, and run terminal commands on developer machines. That expanded access is useful, but it also creates a problem most security teams have not accounted [...]
Build AI Apps Faster with Google AI Studio and Gemini
Artificial intelligence has become an essential part of modern software development. It helps developers build applications that understand natural language, generate content, analyze documents, write code, and automate complex tasks. While large language models (LLMs) make these features easier to use, integrating them into real applications still takes time. [...]
OpenRouter Explained: Access Multiple AI Models Through One API
The rapid advancement of generative AI has given developers access to an ever-growing collection of large language models from providers such as OpenAI, Anthropic, Google, Meta, Mistral AI, and xAI. Each model offers different strengths, whether in reasoning, code generation, content creation, multilingual support, or cost efficiency. While having [...]
Build Your Own JARVIS AI Chatbot Interface using Vercel
Have you ever watched Tony Stark boot up his suits and wished you had your very own J.A.R.V.I.S. to help you code, research, or just manage your day? If you are just starting out with web development, you have probably noticed that most AI chatbot tutorials look exactly the [...]
Can’t Use the Terminal, Can’t Defend the Network: The Importance of Cybersecurity Degrees in the Philippines
Can't Use the Terminal, Can't Defend the Network: The Importance of Cybersecurity Degrees in the Philippines Open a job posting for a Security Operations Center (SOC) analyst, a penetration tester, or a systems administrator anywhere in the world, and one requirement shows up again and again: comfort with the [...]
PromptWars hackathon: students built AI apps
On June 20, 2026, thirty junior and senior high school students spent a day at Programmable Makati building working AI applications. The event was PromptWars: AI-Powered, Student-Built, a hackathon run by DEVCON Kids Philippines and Tutorials Dojo. This event demonstrated how beginners can build with high impact solutions [...]

Automating Slack Notification for Route 53 TTL Changes

Automating a Slack notification system for Route 53 with a 60-second TTL is intended to provide real-time alerts about DNS records with short TTLs. This setup ensures administrators receive quick notifications via Slack, enabling them to promptly identify and resolve potential issues. Through this proactive measure, the optimal performance and reliability of the AWS infrastructure are maintained. Moreover, this approach allows administrators to avoid potential problems by taking corrective actions promptly and minimizing any [...]

Daily AMI Export: Enhancing Backup and Recovery

Daily automation of Amazon Machine Image (AMI) export is vital for keeping IT systems strong and dependable. This process ensures that the latest version of your system's setup is always saved. If something goes wrong, like a system crash, having these up-to-date backups means you can quickly get things back up and running. Additionally, it makes it easier to grow or move your systems because you have readily available copies of machine images. By [...]

AWS Certified Machine Learning Engineer Associate MLA-C01 BETA Exam Guide

The AWS Training and Certification team recently released the new AWS Certified Machine Learning Engineer Associate MLA-C01 exam along with the AWS Certified AI Practitioner AIF-C01 test this June 2024. This new role-based, Associate-level AWS certification exam will allow you to validate your machine learning skills to your current or future employer as well as improve your AI know-how in relation to AWS. You can be among the first-ever batch of IT professionals [...]

New AWS Certified AI Practitioner AIF-C01 BETA Exam Guide

Do you always sharpen your competitive edge in the highly competitive IT industry? Are you planning to position yourself for career growth and reach greater remuneration? Generative AI has been making waves in almost every aspect of the economy and job market to the point that the skills you have today could be worth less, or even worth absolutely nothing by nascent AI-powered tools from OpenAI's ChatGPT, Meta's LLaMa, Google's Gemini and the suite [...]

Setting Up Slack Notifications for AWS Budget Alerts

Introduction Managing cloud costs effectively is crucial for businesses. AWS provides a feature to set budget alerts that notify you when your costs exceed a certain threshold. While these alerts can be sent via email, they can sometimes get lost in the flurry of daily emails, leading to delayed responses. This is where real-time Slack notifications for AWS budget alerts come into play. By integrating AWS budget alerts with Slack, these notifications are sent [...]

Understanding and Managing AWS Lambda Recursive Loop Invocations

Introduction AWS Lambda is a serverless computing service that allows developers to run code without provisioning or managing servers. It automatically scales applications by running code in response to events and only charges for the compute time used. This makes AWS Lambda an ideal choice for building scalable and cost-effective applications. However, one challenge that developers might encounter is recursive loop invocations. This occurs when a Lambda function inadvertently triggers itself, leading to a [...]

Basic Authentication with AWS Rekognition

In this day of technology, it feels like every application has an AI/ML feature built into it, be it home appliances or accessories, chatbots in websites, or even watches. Not having a feature that uses AI or ML in your application feels like you're getting left behind, and it's very beneficial for users. But building an ML/AI feature from the ground up is no easy task, and it takes time and effort to add [...]

Managing AWS Resources from Slack with Slash Commands

Slack is a crucial application for most businesses. It allows the people working within to seamlessly communicate with one another. Slack offers a lot of features such as channels for text communication, huddles for group calls, canvas for a synchronized knowledge base, and more. As businesses or professionals in the tech industry, you'd be glad to know that Slack also supports app integrations, allowing you to bring your technical workflow right into your channels [...]

Basics of the Basics to AWS – Bonus Part: Machine Learning and AI

Over the past few years, AI has become the number 1 trend in the tech industry and it's easy to see why. With powerful generative AI models like GPT4, we are starting to experience what AI can really do. Fast forward to the present, many businesses rely on AI to improve their efficiency and optimize their expenses. With our growing application, we can utilize AI to give a better user experience and grow our [...]

Basics of the Basics to AWS – Part 5: Security

With our application available on the internet for millions of users to access, it is now more vulnerable than ever to exploitations and cyber attacks like unauthorized access or Distributed Denial-of-Service (DDOS). Security could either make or break our application and it is a topic that we must not ignore. With thousands of user data under our protection, it is up to us to properly safeguard our application. Welcome to part 5 of my 6-part series [...]