Article URL: https://web.archive.org/web/20260731053721/http://github.com/ancaferro/myNetwork/pull/3 Comments URL: https://news.ycombinator.com/item?id=49218707 Points: 4 # Comments: 0
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A developer has released SafeVault, a cross-platform password manager built with Flutter that stores vault data locally rather than syncing it to a third-party cloud server. The app uses AES-256-GCM encryption and relies on OS-level secure storage for keys, with multi-device sync available only over local or nearby networks that the user controls. SafeVault is available on iOS, Android, macOS, and Windows across 13 locales, and includes desktop features such as a system tray, global hotkey search, and auto-lock. A built-in security dashboard highlights weak, reused, or outdated passwords and offers inline fixes to address them. The project is aimed at privacy-conscious users and developers who prefer not to trust a hosted backend with an encrypted copy of their credentials.
The SPOKE is a CD-sized capacitive touch controller built around the RP2040 microchip, featuring 27 copper pads that each trigger a musical note when touched. It connects to a computer via USB-C and is recognized as a standard MIDI controller, with an accompanying website offering audio visualizers, a drum kit, and a Harmonic Table. Running CircuitPython firmware, the board can be programmed like a Raspberry Pi Pico, and its default pentatonic scale can be customized by editing note values in code. Two expansion ports allow additional sensors to be added, and each pad is paired with a NeoPixel LED that changes color on touch. Notably, any conductive material — including fruit, copper tape, or pencil graphite — can extend the touch inputs, effectively turning everyday objects into playable instruments.
Artificial intelligence has transformed the memory semiconductor industry by driving unprecedented demand for high-bandwidth memory (HBM), which is essential for powering AI accelerators. HBM, conventional DRAM, enterprise flash, and hard drives each play distinct roles in the AI infrastructure stack and carry different investment profiles. Micron is currently shipping HBM4 in volume, giving it a competitive edge, though analysts warn that product leadership must be continuously defended as rivals close the gap. Capital expenditure is rising sharply — Micron alone expects around $27 billion in spending — meaning today's investments could become tomorrow's oversupply if demand growth slows. Investors are advised to monitor bit shipment volumes versus pricing trends, inventory levels, and gross margins to distinguish sustainable growth from a cyclical peak.
Developers running LangGraph and Model Context Protocol (MCP) agents locally often face crashes and erratic behavior when moving to production environments. The core challenge lies in structuring the agent as a long-running service capable of handling continuous requests, recovering from failures, and adapting to distributed system realities. Using Python's signal module, developers can implement graceful shutdown handling for SIGTERM and SIGINT signals to prevent abrupt termination. A key production concern is state persistence — the langgraph.Checkpointer class enables periodic saving and restoration of agent state, ensuring recovery after unexpected crashes. The article presents a foundational service pattern as a starting point for building more scalable and resilient agent deployments.
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