Lup Yuen Lee 李立源 @lupyuen@qoto.org

Grafana on a Fish Farm

https://grafana.com/blog/2023/03/20/from-fish-tanks-to-data-banks-finding-grafana-on-a-farm/

Rate Limiting your #GoLang application

https://blog.logrocket.com/rate-limiting-go-application/

#PinePhone (Allwinner A64) has 2 USB Ports ... One goes to External USB, the other goes to LTE Modem

Source: https://github.com/lupyuen/pinephone-nuttx-usb#usb-enhanced-host-controller-interface-vs-on-the-go

How we fixed the #PinePhone USB Driver for Apache #NuttX RTOS ... Just start the USB Clocks and deassert the USB Resets

Source: https://github.com/lupyuen/pinephone-nuttx-usb#nuttx-ehci-driver-starts-ok-on-pinephone

Vulkan on Asahi Linux

https://asahilinux.org/2023/03/road-to-vulkan/

Apache #NuttX USB Driver starts OK on #PinePhone yay! 🎉 Thanks to the super-inspiring coffee with @tllim 😀

Source: https://github.com/lupyuen/pinephone-nuttx-usb#nuttx-ehci-driver-starts-ok-on-pinephone

"Liberating Structures is a library of 33 microstructures designed to combat the downsides of the most common structures by including everyone in producing results within a short amount of time"

https://blog.logrocket.com/product-management/what-are-liberating-structures/

Resetting the #PinePhone USB Controller ... Our USB Driver for Apache #NuttX RTOS will set these Allwinner A64 Registers

Source: https://github.com/lupyuen/pinephone-nuttx-usb#usb-controller-reset

"vulnerability could reveal previously redacted details from screenshots if the edits were made using a #Pixel device"

https://www.xda-developers.com/acropalypse-vulnerability/

BLE with WiFi and #FreeRTOS on #RP2040

https://mcuoneclipse.com/2023/03/19/ble-with-wifi-and-freertos-on-raspberry-pi-pico-w/

Workaround: Use Safari instead of Chrome for #meWatch

Clocks for #PinePhone USB Controller ... We'll enable them in our USB Driver for Apache #NuttX RTOS

Source: https://github.com/lupyuen/pinephone-nuttx-usb#usb-controller-clocks

How to prepare for Google Summer of Code

https://www.freecodecamp.org/news/google-summer-of-code-guide/

What's new for #RISCV in LLVM 16

https://muxup.com/2023q1/whats-new-for-risc-v-in-llvm-16

Memory Leak in a #ZigLang program

https://iamkroot.github.io/blog/zig-memleak

#PinePhone USB Driver gets messy ... Because the USB Physical Layer is shared by EHCI USB Host Controller and Mentor Graphics USB OTG Controller

Source: https://github.com/lupyuen/pinephone-nuttx-usb#power-on-the-usb-controller

Category Theory, Illustrated

https://abuseofnotation.github.io/category-theory-illustrated/