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PostgreSQL indexes are database objects that speed up data access by allowing the system to read less from disk, mapping key values to physical row locations. While these provide speed benefits for queries, they introduce costs such as increased disk space, overhead on write operations, longer query planning times, and higher memory usage.
The browser has potential as a secure sandbox for agentic AI tools, which automate tasks and require access to a user's local files and network. It has mechanisms for filesystem isolation, controlled network access via CSP, and secure code execution using iframes and WebAssembly. A demo project is displayed in this article that shows these capabilities.
Discussions around LLMs have devolved into unproductive tribalism, fueled by early negative associations with tech "hucksters" and fears of job displacement. AI agents are already capable of efficient code generation, bug fixing, and addressing complex issues like security and performance. Engineers need to keep experimenting with AI to stay on top of new tooling.
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Hydration errors, RSC issues, ISR failures — Next.js apps can be tricky to debug in production. This Sentry workshop [8] covers debugging performance problems using tracing, logs, and source maps. It's live and hands-on, with Sentry engineers walking through real
Clawdbot is an open-source, personal AI assistant designed to run on a user's own devices. Offering local, fast, and always-on AI capabilities, it integrates with many messaging channels like WhatsApp, Telegram, Slack, and Discord.
Fence is a lightweight, container-free sandbox tool that wraps commands to restrict network access and filesystem operations. It's designed for running semi-trusted code, like package installs or CI jobs, with controlled side effects, and it improves AI coding agent security.
DPaint.js is a web-based image editor modeled after the classic Deluxe Paint, specifically focusing on retro Amiga file formats. It allows users to read, write, and convert various Amiga formats, including icon files, IFF ILBM images (up to 256 colors), and even directly from Amiga Disk Files (ADF).
BoothIQ used AI to write all 150,000 lines of its Elixir codebase, finding the language's small, terse, and immutable nature great for AI generation. AI is great at generating code efficiently, especially when aided by Elixir-specific tools like Tidewave. However, it struggles with architectural decisions, often produces defensive code trained on imperative languages, and is ineffective at debugging complex Elixir concurrency and understanding isolated test environments.
Despite not writing C frequently, the author has developed a specific set of programming habits and styles for C projects due to the language's lack of standardization. They typically use C23, define custom fixed-length types like `u8` and `i32`, use a `length+data` struct for strings, and prefer C23's `bool` type.
While optimizing a lexer for a 2x speedup, the author discovered the true bottleneck was I/O syscall overhead from numerous small files.
Using PostgreSQL as a Dead Letter Queue for an event-driven system provided much visibility, queryability, and controlled reprocessing of failed events compared to Kafka.
Coi is a modern, type-safe, component-based programming language that uses WASM and fine-grained reactivity to build high-performance web applications with zero garbage collection and a minimal runtime.
New research shows that even minor workplace mistreatment, like delayed birthday greetings, reduces employee productivity.