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VPC Peering: conectando redes privadas entre contas e regiões na AWS
18+ min ago (1344+ words) 1. Cenário de negócio Neste projeto, será implementado um VPC peering entre duas VPCs que... Tagged with aws, cloudcomputing, networking....
Why Type Safety Matters More as a Codebase Grows
4+ min ago (209+ words) When a project is small, type safety can feel like extra work. If you only have a few files and you wrote most of the code yourself, it is often easy to remember what each function expects and what each…...
Why Parameterized Queries Matter for SQL Security
4+ min ago (559+ words) SQL injection is one of the classic examples of what can happen when an application mixes user input directly into a database query. The underlying problem is simple. The application expects data. The database may interpret part of that data…...
tokeneff: An Open-Source LLM Cost Meter That Runs Locally
29+ min ago (338+ words) Most LLM dashboards show you the bill after the damage is done. You run a coding agent for an afternoon, ship a feature, and two days later your OpenAI dashboard says you spent $47. On what? Which model? Which request? You…...
Recursive CTEs: How SQL Secretly Learned to Loop
59+ min ago (454+ words) Ask a SQL query to find "all employees under this manager," and things get ugly fast if you don't know how many levels deep the org chart goes. A regular join handles one level. Two joins handle two levels. Nobody's…...
How to Bulk Download Images: From URL Lists to a ZIP File
1+ hour, 30+ min ago (1250+ words) The most useful starting point is a list of direct image URLs. Once you have that list, you can download the files together with a browser tool or a small command-line workflow. This tutorial covers both approaches, plus a JavaScript…...
**I wrote two practical books for Linux developers, and I’d love feedback from the community** Over the last few years working with Linux, C, embedded systems and kernel-level code, I kept seeing the same problem: there are plenty of resources explaining
1+ hour, 59+ min ago (10+ words) A post by Avinash Pal. Tagged with books, developers, linux....
aiFetchly — a local-first desktop AI agent for lead gen, research, and outreach
2+ hour, 38+ min ago (362+ words) Most marketing AI tools live in a browser tab and forget your files the moment you close the chat. aiFetchly is an open-source, local-first desktop AI agent (Windows, macOS, Linux) built for business research, document-grounded drafting, lead organization, and scheduled…...
Audit Your CLAUDE.md With Evidence, Not More Rules
2+ hour, 53+ min ago (570+ words) A CLAUDE.md file should make the next coding task safer and easier to verify. Too often it becomes a scrapbook: an old setup command, a temporary release instruction, a preference copied from another repository, and a growing list of…...
Build a small OpenOSRS plugin in Java
4+ hour, 6+ min ago (412+ words) A small plugin is a good way to learn a desktop client's extension system. This example displays a chat message after login. It covers discovery, dependency injection, game events and packaging without automating gameplay. I maintain the OpenOSRS project at…...