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AWS Cheat Sheets

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Why I Chose AWS Lambda to Power My App’s Cloud Logic

2025-06-27T09:40:37+00:00

For this article, I will demonstrate how I used AWS Lambda as an all-around backend system for a mock-up mobile application I developed for my Design subject in school. The mobile application is an IoT application that integrates communication between a mobile device and a handheld barcode scanner using a Bluetooth module. It also includes security functions, such as code decryption and user statuses. For the dependencies, I used flutter_blue, get, and http. The list below indicates the use cases of AWS Lambda for my mobile application. I hope, by the end of this article, you will know how to [...]

Why I Chose AWS Lambda to Power My App’s Cloud Logic2025-06-27T09:40:37+00:00

What is Area Under the ROC Curve (AUC) in Machine Learning?

2025-07-01T02:38:28+00:00

Area Under the ROC Curve (AUC) Cheat Sheet AUC, short for Area Under the Curve of the Receiver Operating Characteristic (ROC), is a metric that evaluates how well a model can differentiate between different classes. A performance metric primarily used for binary classification models. Ranges from 0 to 1: 1: Perfect model. 0.5: Model performs no better than random guessing. 0: Model inversely ranks positives and negatives. Accurate Outcomes True Positive (TP): The model predicted 1, which matches the actual result. True Negative (TN): The model predicted 0, and the real outcome was also 0. Misclassified Outcomes False Positive (FP): [...]

What is Area Under the ROC Curve (AUC) in Machine Learning?2025-07-01T02:38:28+00:00

What is BiLingual Evaluation Understudy (BLEU) Score for Machine Translation?

2025-06-25T01:15:03+00:00

BiLingual Evaluation Understudy (BLEU) Score Cheat Sheet BLEU (BiLingual Evaluation Understudy) is a corpus-level metric designed to automatically evaluate the quality of machine-generated text, most commonly in machine translation (MT). It compares n-gram overlap between the machine’s output and one or more human reference translations. Introduced by Papineni et al. (2002), BLEU became the first automated metric to correlate highly with human judgments in large-scale MT evaluations. It remains a widely used baseline for evaluating machine-generated text. Common Use Cases The BLEU score is widely used in natural language processing tasks that require comparing machine-generated text to human-written references. Its primary [...]

What is BiLingual Evaluation Understudy (BLEU) Score for Machine Translation?2025-06-25T01:15:03+00:00

What is RLHF – Reinforcement Learning from Human Feedback?

2025-06-24T05:52:27+00:00

What is Reinforcement Learning from Human Feedback (RLHF)? A technique to improve AI models using human feedback to guide learning. Builds on reinforcement learning, where AI learns by trial and error to achieve goals. Uses human opinions to determine good or bad outputs, enhancing traditional reward systems. How RLHF Works Data Collection: AI generates multiple outputs (e.g., answers or text snippets). Humans provide feedback by ranking or comparing outputs (e.g., which is better or more helpful). Supervised Fine-Tuning: Model is trained with human feedback to produce preferred outputs. Establishes a baseline for good responses. Building a Reward Model: Creates a [...]

What is RLHF – Reinforcement Learning from Human Feedback?2025-06-24T05:52:27+00:00

From Alert Fatigue to Intelligent Response: Using AWS Bedrock for Incident Management

2025-05-05T08:52:52+00:00

3 AM Again? Transform Your On-Call Experience with AWS Bedrock Incident Response It's 3 AM, your phone buzzes with another CloudWatch alert, and you're frantically trying to understand what went wrong with limited context. Sound familiar? Usually, cloud operations teams face this overwhelming challenge daily: alerts that lack context, information scattered across multiple systems, and the constant pressure to resolve incidents quickly. Fortunately, AWS Bedrock incident response capabilities now offer a revolutionary solution to this common problem. Why Traditional Incident Response Methods No Longer Work In today's increasingly complex cloud environments, traditional approaches to incident response clearly show their limitations: [...]

From Alert Fatigue to Intelligent Response: Using AWS Bedrock for Incident Management2025-05-05T08:52:52+00:00

Amazon Nova & Bedrock: Enhancing Your Startup’s Presence

2025-04-24T03:19:46+00:00

Startups don’t just build products or offer services — they build presence. That means sharing content consistently and building up their name and reputation. Whether it’s for pitches, presentations, or marketing, content is the engine that keeps everything moving — on social media, blogs, pitch decks, customer support, emails... you name it. But in 2025, standing out is tougher than ever. People have shorter attention spans, content needs to be faster and better, and there’s more competition every day. Hiring a full creative team can be super expensive — and that’s where your new AI allies come in!   Amazon [...]

Amazon Nova & Bedrock: Enhancing Your Startup’s Presence2025-04-24T03:19:46+00:00

Vibe Coding: Where Ideas Become Reality with AI

2025-04-04T13:00:03+00:00

Vibe Coding is the next evolution of software development, it's like having a super-smart coding partner who's always ready to help. Instead of struggling alone with complex code, you describe what you want to build in normal words, and AI helps make it happen. It's perfect for when you have a great app idea but don't want to spend months learning every programming detail. It's designed to enhance developers' capabilities, not replace them. The best part? It's not just for experts. Even if you're a seasoned developer looking to save time or a complete beginner with big ideas, Vibe Coding [...]

Vibe Coding: Where Ideas Become Reality with AI2025-04-04T13:00:03+00:00

Netflix Streaming Explained: How CDN Technology Ensures Lag-Free Global Viewing Introduction to Global Infrastructure part 1

2025-04-02T17:13:08+00:00

Have you wondered how Netflix streaming delivers your favorite series in HD quality without buffering or lagging? The answer lies in advanced CDN technology or Content Delivery Networks, a critical element of today's global infrastructure. CDNs enable Netflix to optimize its global streaming performance, drastically reducing latency and providing seamless viewing experiences worldwide. Understanding Global Infrastructure with a Simple Analogy To understand how this works, let’s use a coffee shop analogy. Imagine a coffee shop called "Athena Coffee" based in New York, becoming internationally popular. Customers from Thailand want their coffee but serving them directly from New York is impractical [...]

Netflix Streaming Explained: How CDN Technology Ensures Lag-Free Global Viewing Introduction to Global Infrastructure part 12025-04-02T17:13:08+00:00

Streamline your SageMaker Environments using Terraform

2025-03-23T14:34:21+00:00

Bookmarks Advantages of using Terraform in SageMaker AI Disadvantages of using Terraform in SageMaker AI Solution Overview Solution The high-level steps to implement this solution with Terraform Pre-requisites for provisioning SageMaker AI Studio with Terraform Create the S3 Bucket and DynamoDB for Remote State Establish the Terraform Project Structure for your SageMaker AI Make the required IAM Resources. Put in place Storage Resources (S3) Build Network Infrastructure via VPC. Deploy your SageMaker AI Resources using Terraform. Make the Outputs. To delete your SageMaker AI with Terraform [...]

Streamline your SageMaker Environments using Terraform2025-03-23T14:34:21+00:00

DeepSeek in Amazon Bedrock: A Comprehensive Demo

2025-02-01T09:31:47+00:00

Bookmarks DeepSeek in Amazon Bedrock Workflow Overview DeepSeek in Amazon Bedrock Pre-requisites  Implementation Processes  As of January 2025, we’re seeing too much news about DeepSeek AI features in many media outlets, but how about implementing DeepSeek AI and AWS workloads? DeepSeek AI in Amazon Bedrock Anyone? Well, one of the most interesting NLPs that sparked this January 2025 is DeepSeek Multimodal AI. There are many that claim it has higher chances to exceed the top-level benchmark models, such as OpenAI, Anthropic, and many more. This is with the claim of being cost-effective and giving [...]

DeepSeek in Amazon Bedrock: A Comprehensive Demo2025-02-01T09:31:47+00:00

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