tutorial

23 posts in this category

Test Your Apps Resilience Simulating SQS Failures with AWS FIS

Test Your Apps Resilience Simulating SQS Failures with AWS FIS

2026-10-30

Learn how to structure a chaos experiment that blocks SQS data-plane access, observe producer/consumer behavior, and fix gaps before real outages hit.

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Building Resilient Real-Time Streaming Workers with DynamoDB Leases

Building Resilient Real-Time Streaming Workers with DynamoDB Leases

2026-10-22

Learn how to coordinate hundreds of WebSocket connections across a fleet of workers using DynamoDB conditional writes as distributed leases. Achieve sub-minute failover and zero-downtime deployments without external lock services.

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The Native HTML Dialog Element A Complete Deep Dive (2025)

The Native HTML Dialog Element A Complete Deep Dive (2025)

2026-10-21

Master the <dialog> element showModal vs show, declarative closing, invoker commands, backdrop styling, @starting-style animations, and accessibility pitfalls.

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PyTorch Attention Profiling From Naive to Flash, Efficient, and cuDNN

PyTorch Attention Profiling From Naive to Flash, Efficient, and cuDNN

2026-10-18

A hands-on guide to profiling attention in PyTorch. Learn how to read traces, spot hidden Memcpy, and compare SDPA backends (math, efficient, flash, cuDNN) with real kernel-level insights.

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Wire GitHub Tools Into Your Eve Agent in One File (With Approval Rules Built In)

Wire GitHub Tools Into Your Eve Agent in One File (With Approval Rules Built In)

2026-09-28

Install @github-tools/eve-extension, drop a single config file into agent/extensions/, and your eve agent instantly gains namespaced GitHub tools with Vercel Connect auth, scoped presets, and per-tool approval gates.

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Run Gemma LLMs on Raspberry Pi 5 with LiteRT A Hands-On Edge AI Tutorial

Run Gemma LLMs on Raspberry Pi 5 with LiteRT A Hands-On Edge AI Tutorial

2026-09-26

Deploy Gemma 4 E2B on a Raspberry Pi 5 using Google AI Edges LiteRT runtime and CLI. Covers CPU/GPU split inference, memory footprint, and a working voice-translator pipeline — no cloud required.

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Cross-Language RPC in Cloudflare Workers Call Python From JavaScript (and Vice Versa)

Cross-Language RPC in Cloudflare Workers Call Python From JavaScript (and Vice Versa)

2026-09-22

Cloudflare Workers RPC now bridges Python and JavaScript natively — no protobuf, no custom APIs, no schema. Heres how to build a multi-language serverless app with Pygments in under 10 minutes.

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Animating CSS border-image A Deep Dive Into Gradient Borders That Actually Move

Animating CSS border-image A Deep Dive Into Gradient Borders That Actually Move

2026-09-20

Learn how to animate CSS border-image using registered custom properties, gradient slices, and transition tricks to build eye-catching UI borders without extra DOM elements.

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Automate Custom PII Detection at Scale A Step-by-Step Guide with Amazon Macie and Step Functions

Automate Custom PII Detection at Scale A Step-by-Step Guide with Amazon Macie and Step Functions

2026-09-08

Learn how to build an event-driven pipeline that automatically detects standard and custom PII in S3 files using Amazon Macie, Step Functions, and EventBridge, complete with compliance reports and real-time alerts.

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How to Build a Realistic Login Flow in ProtoPie (No Code)

How to Build a Realistic Login Flow in ProtoPie (No Code)

2026-09-04

Learn to create a functional login with credential validation, error states, and Face ID animation in ProtoPie—no code required. Perfect for fintech UX testing.

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How to Calculate and Display Discounted Prices in Pure CSS

How to Calculate and Display Discounted Prices in Pure CSS

2026-08-21

A practical guide to using modern CSS math functions and counters to compute and display discounted prices without a single line of JavaScript.

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Run a Fully Local Voice Assistant Robot Reachy Mini + Open-Source Speech Pipeline

Run a Fully Local Voice Assistant Robot Reachy Mini + Open-Source Speech Pipeline

2026-08-13

Learn how to deploy a privacy-first, cost-free voice AI robot using Reachy Mini, llama.cpp, and a cascaded speech-to-speech pipeline—no cloud required.

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Build On-Device AI Agents with ADK for Kotlin A Hands-On Guide

Build On-Device AI Agents with ADK for Kotlin A Hands-On Guide

2026-08-02

Googles new Agent Development Kit (ADK) for Kotlin brings agentic AI to Android apps. Learn how to set up hybrid cloud-edge agents, define tools with annotations, and orchestrate subagents for private, real-time experiences.

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Build a Scalable User Search Layer on Amazon Cognito A Complete Guide

Build a Scalable User Search Layer on Amazon Cognito A Complete Guide

2026-06-09

Extend Amazon Cognito with advanced search capabilities — fuzzy matching, complex filtering, and sub-second response times — using Lambda, DynamoDB Streams, and OpenSearch Serverless.

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Deploy LLMs in Minutes SageMaker HyperPod Inference Operator as an EKS Add-On

Deploy LLMs in Minutes SageMaker HyperPod Inference Operator as an EKS Add-On

2026-05-19

Step-by-step guide to installing the SageMaker HyperPod Inference Operator via EKS add-on, with three deployment methods (console, CLI, Terraform) and a complete model deployment example.

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NVbandwidth Your Essential Guide to Measuring GPU Interconnect and Memory Performance

NVbandwidth Your Essential Guide to Measuring GPU Interconnect and Memory Performance

2026-05-16

Learn how to use NVIDIAs NVbandwidth tool to measure GPU memory bandwidth, latency, and interconnect performance. Includes step-by-step examples, architecture overview, and multi-node setup.

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How to Scale Protein Complex Prediction to Proteome Level A Practical Guide

How to Scale Protein Complex Prediction to Proteome Level A Practical Guide

2026-05-09

Learn how to design and run a high-throughput AlphaFold-Multimer pipeline on GPU clusters, from MSA generation with MMseqs2-GPU to inference optimization with TensorRT and cuEquivariance. Includes SLURM orchestration tips and accuracy benchmarks.

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Scale Python to a Cloud Cluster with Ray A Practical AWS Tutorial

Scale Python to a Cloud Cluster with Ray A Practical AWS Tutorial

2026-04-15

Learn how to take a local Python script and run it on a multi-node AWS cluster using Ray, achieving a 3x performance boost with minimal code changes.

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Building the Perfect Pie Chart in CSS A Semantic and Accessible Approach

Building the Perfect Pie Chart in CSS A Semantic and Accessible Approach

2026-03-18

Learn how to create a semantic, accessible pie chart using pure CSS and HTML, minimizing JavaScript dependency with modern CSS features like conic-gradient, attr(), cos(), and sin().

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Pandas loc vs iloc The Definitive Guide to DataFrame Indexing

Pandas loc vs iloc The Definitive Guide to DataFrame Indexing

2026-03-13

Stop guessing when to use loc or iloc. This practical guide explains the label vs integer-based indexing difference with clear examples.

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Building Interactive Demos with CodePen slideVars A Hands-On Guide

Building Interactive Demos with CodePen slideVars A Hands-On Guide

2026-03-07

Learn how to use CodePens built-in slideVars tool to create live, adjustable demos by controlling CSS variables from a UI panel.

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A Deep Dive into PyTorch Distributed Communication Point-to-Point and Collectives

A Deep Dive into PyTorch Distributed Communication Point-to-Point and Collectives

2026-02-28

A practical guide to PyTorchs torch.distributed module, explaining blocking/non-blocking communication and collective operations with executable code examples.

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Mastering Animation Theming with CSS Relative Colors and OKLCH

Mastering Animation Theming with CSS Relative Colors and OKLCH

2026-02-11

Learn how to build a dynamic color system for SVG animations using a single foundation color and CSS Relative Color syntax.

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