EME GUG - DEV Community

EME GUG

Oct 24

Building a "Within Walking Distance" Feature: Geo Queries with PostGIS, Wikipedia GeoSearch and Isochrones

#postgis #geospatial #python #backend

7 min read

EME GUG

Oct 24

Beyond Play Integrity: Verifying Android Devices with Hardware Key Attestation (Without Locking Out GrapheneOS Users)

#android #security #mobile #backend

7 min read

EME GUG

Oct 23

Everything Within a 30-Minute Walk: Practical Geospatial Queries with PostGIS, H3 and Isochrones

#postgis #geospatial #database #python

8 min read

EME GUG

Oct 23

Why Your Docker Container Takes 10 Seconds to Stop: PID 1, Signals and Graceful Shutdown Explained

#docker #devops #linux #node

7 min read

EME GUG

Oct 23

Don't Bet Your Infrastructure on One DNS Resolver: Building a Resilient Encrypted DNS Layer with Unbound

#dns #devops #linux #networking

7 min read

EME GUG

Oct 22

Kernel CVEs Are Leaking Faster Than You Patch: A Practical Kernel Update & Reboot Strategy for Linux Servers

#linux #security #devops #kubernetes

7 min read

EME GUG

Oct 21

Your pip install Is a Remote Code Execution: Practical Defenses Against Compromised PyPI Packages

#python #security #supplychain #devops

7 min read

EME GUG

Oct 21

Your pip install Just Ran Someone Else's Code: A Practical Defense Guide Against PyPI Supply Chain Attacks

#python #security #pypi #supplychain

8 min read

EME GUG

Oct 21

When a CA Gets Compromised: Monitoring Certificate Transparency Logs and Locking Down Your Domains with CAA

#security #tls #devops #python

8 min read

EME GUG

Oct 20

Why LLM Inference Engines Are Fast: Continuous Batching, PagedAttention and Prefix Caching Explained with vLLM

#llm #vllm #inference #performance

7 min read

EME GUG

Oct 18

Running a Remote MCP Server on Cloudflare Workers for Free: A Practical Guide from Zero to Production

#mcp #cloudflare #ai #typescript

1

6 min read

EME GUG

Oct 18

Building a Search & Fetch Layer for LLM Agents: Caching, Clean Extraction and Cost Control in Python

#python #llm #webscraping #ai

7 min read

EME GUG

Oct 17

Your GPU Benchmark Is Lying: Measuring LLM Inference Under Thermal Throttling the Right Way

#llm #gpu #benchmark #performance

7 min read

EME GUG

Oct 16

When AI Reviewers Find More Bugs Than You Can Fix: Building a Triage Pipeline for AI Code Review Findings

#codereview #ai #cicd #python

7 min read

EME GUG

Oct 15

Trust, but Verify: Building a Claim Checker for AI Coding Agents

#ai #python #testing #devops

8 min read

EME GUG

Oct 15

Validating unknown in TypeScript Without a Schema Library: Type Guards, Assertion Functions and a 40-Line Mini Validator

#typescript #javascript #webdev #validation

7 min read

EME GUG

Oct 13

Taming Huge Git Repos: Partial Clone, Sparse-Checkout and Scalar in Practice

#git #monorepo #devops #productivity

7 min read

EME GUG

Oct 13

Your AI-Written Tests Are Too Polite: Mutation Testing and Property-Based Testing to Catch Slop

#testing #ai #python #javascript

6 min read

EME GUG

Oct 13

Running MoE LLMs Larger Than Your RAM: A Practical Guide to mmap, Expert Offloading and SSD Streaming with llama.cpp

#llm #llamacpp #moe #performance

8 min read

EME GUG

Oct 12

Fingerprints Are the New Cookies: How Browser Fingerprinting Works and What Developers Should Do About It

#privacy #security #javascript #webdev

7 min read

EME GUG

Oct 12

IRCv3 in Practice: Build a Modern IRC Bot with Capability Negotiation, SASL and Message Tags in Python

#irc #python #networking #protocols

8 min read

EME GUG

Oct 11

Your README Is Lying to You: Test Your Onboarding Docs Like You Test Code

#documentation #devops #opensource #productivity

7 min read

EME GUG

Oct 11

Sandboxing AI Coding Agents: Run Agent-Generated Code Without Betting Your Machine On It

#ai #security #docker #linux

1

3

7 min read

EME GUG

Oct 10

Your Users Will Pick '123456': Password Storage and Breached-Password Checks Done Right

#security #authentication #python #webdev

1

7 min read

EME GUG

Oct 9

Write Once, Run on Any Runtime: Practical Runtime-Agnostic TypeScript for Node, Deno, Bun and Cloudflare Workers

#typescript #deno #cloudflare #webdev

7 min read

EME GUG

Oct 9

Cheap Models First: Building an LLM Cascade Router That Cuts Your AI Bill Without Hurting Quality

#ai #llm #python #architecture

7 min read

EME GUG

Oct 8

To Retry or Not to Retry: Safe Retry Logic with Exponential Backoff, Jitter and Idempotency Keys

#backend #distributedsystems #python #reliability

2

8 min read

EME GUG

Oct 8

To Retry or Not to Retry: Exponential Backoff, Jitter and Idempotency Keys Done Right

#backend #reliability #python #javascript

7 min read

EME GUG

Oct 8

Shipping JPEG XL Today: A Practical Guide to Conversion, Content Negotiation and Safe Fallbacks

#webperf #images #nginx #frontend

7 min read

EME GUG

Oct 7

Why Your TypeScript Still Crashes in Production: Validating Data at the Boundary with Zod

#typescript #zod #validation #webdev

7 min read

EME GUG

Oct 6

Why Your TypeScript Code Still Crashes in Production: Validating Data at Runtime Boundaries with Zod

#typescript #zod #validation #webdev

6 min read

EME GUG

Oct 6

Build a Shared Encrypted Scratchpad for Your Coding Agents (Python + AES-GCM, ~150 Lines)

#ai #security #python #cryptography

7 min read

EME GUG

Oct 5

Giving Your LLM Agent Web Search Without Burning Money: Self-hosted SearXNG, Caching and Citation Checks

#ai #python #llm #selfhosted

8 min read

EME GUG

Oct 5

Your Database Will Leak Someday: Field-Level Encryption and Blind Indexes for PII with Python and PostgreSQL

#security #python #postgres #encryption

7 min read

EME GUG

Oct 5

Running 100B+ MoE Models on a Single RTX 4090: A Practical Guide to Expert Offloading with llama.cpp

#llm #llamacpp #gpu #machinelearning

8 min read

EME GUG

Oct 4

Running 100B+ MoE LLMs on a Single RTX 4090: A Practical Guide to Expert Offloading with llama.cpp

#llm #llamacpp #gpu #selfhosted

7 min read

EME GUG

Oct 4

Agents Don't Need Memory, They Need Documentation: A Practical AGENTS.md Playbook

#ai #agents #documentation #productivity

7 min read

EME GUG

Oct 3

Your Sort Is Slow Because of Your Comparator: The Schwartzian Transform in JavaScript, Python and Dart

#performance #javascript #python #algorithms

7 min read

EME GUG

Oct 2

Running a Small LLM Locally to Parse Bank Notifications: Structured Output with Ollama, Pydantic and a Regex Safety Net

#llm #ollama #python #privacy

8 min read

EME GUG

Oct 2

A Linux Kernel CVE Just Dropped. Now What? A Practical Patching Playbook for Small Teams

#linux #security #devops #sysadmin

7 min read

EME GUG

Oct 1

Preparing for Git 3.0's SHA-256 Default: Find What Breaks in Your Tooling Before It Breaks

#git #devops #security #tooling

6 min read

EME GUG

Oct 1

Stop Using Float for Money: A Practical Guide to Decimal Arithmetic in Python, JavaScript and PostgreSQL

#python #javascript #postgres #webdev

8 min read

EME GUG

Oct 1

You Said No MCP? When AI Agents Should Just Use the CLI (and When They Shouldn't)

#ai #mcp #agents #devtools

7 min read

EME GUG

Sep 30

Is Your LLM Quietly Getting Worse? Build a Tiny Drift Detector for Your AI Features

#llm #testing #python #devops

7 min read

EME GUG

Sep 29

Stop Leaking PII to LLM APIs: Build a Reversible Redaction Layer for Your AI Agents

#ai #privacy #python #security

8 min read

EME GUG

Sep 29

Your App Is Probably Leaking User Data to AI APIs and Ad Trackers — A Practical Guide to Stop It

#privacy #security #llm #webdev

7 min read

EME GUG

Sep 28

Before You Build an AI Agent, Try an If-Statement First

#ai #architecture #python #llm

8 min read

EME GUG

Sep 28

Your Go Module Path Is a Hidden Dependency: Decoupling Go Code from GitHub

#go #devops #architecture

7 min read

EME GUG

Sep 27

Flaky Tests Are Not Bad Luck: A Practical Playbook for Hunting Inexplicable Failures

#testing #ci #debugging #devops

8 min read

EME GUG

Sep 26

Diagrams as Code: Keep Your Architecture Docs Alive Inside the Repo

#documentation #mermaid #devops #architecture

1

7 min read

EME GUG

Sep 26

Local Cloud Emulation in 2026: Stop Paying AWS to Run Your Unit Tests

#aws #testing #docker #devops

7 min read

EME GUG

Sep 25

Git as a Database: How git-bug Stores Issues Inside Your Repo (and How to Build Your Own)

#git #devtools #architecture #productivity

1

7 min read

EME GUG

Sep 25

Git as a Database: What git-bug Teaches Us About Storing Data in Refs

#git #devtools #architecture #python

7 min read

EME GUG

Sep 25

Reproducible Builds: What F-Droid Teaches Us About Trusting Our Own Binaries

#devops #security #docker #buildtools

7 min read

EME GUG

Sep 24

Cách debug memory leak trong Node.js

#node #debugging #performance #javascript

2 min read

EME GUG

Sep 24

Logging best practices: stop using console.log

#logging #backend #debugging #observability

2 min read

EME GUG

Sep 23

Vim/Neovim cho người mới: 10 phút để productive

#vim #neovim #editor #productivity

2 min read

EME GUG

Sep 23

Writing better API error responses

#apidesign #backend #restapi #bestpractices

2 min read

EME GUG

Sep 23

Makefile cho developer: không chỉ dành cho C/C++

#makefile #developertools #productivity #automation

2 min read

EME GUG

Sep 22

How to write tests that actually catch bugs

#testing #softwareengineering #tdd #bestpractices

2 min read

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