Summary The Micropython code example for Bluetooth Low Energy (BLE) communication between a central and peripheral device using ble_simple_central.py and ble_simple_peripheral.py is not working as expected. The peripheral device is able to print received data correctly, but the central device is only printing <memoryview> instead of the actual data. Root Cause The root cause of … Read more
# Postmort hospitaleem: Stale UI Data in WPF MVVM Due to Unhandled Database Changes ## Summary A WPF MVVM application failed to reflect external database changes in UI controls (`DataGrid`, `TextBox`, etc.) because it lacked a mechanism to detect/apply live updates. This led users to act on **stale data**. ## Root Cause The core failure … Read more
Summary The issue arises when compiling Yocto recipes, where the use of -Wl,-rpath=dir in a Makefile causes a “contains bad RPATH” error. This error occurs because the RPATH is set to a path that is not valid in the target system. Root Cause The root cause of this issue is the use of absolute paths … Read more
Summary A client reported an account-level block preventing the creation of an APS Developer Hub within the Autodesk ecosystem. Despite the account owner holding Primary Admin and Billing permissions, the UI exposed only “ACC | BIM 360” hubs. The immediate cause was a missing entitlement flag for the Autodesk Platform Services (APS) subscription on the … Read more
Summary The issue at hand is changing the color of a calculation result based on a threshold in a JavaScript application. The current implementation does not correctly update the color of the result. Key concepts involved include DOM manipulation, JavaScript conditional statements, and HTML element styling. Root Cause The root cause of the issue lies … Read more
Outage Analysis: Misconfiguration Causes Approved Plot Listings Failure Summary A config drift in our geolocation service disrupted listings for “approved residential plots near Film City,” causing 404 errors on property detail pages for 4 hours. Users searching for government-approved land titles encountered broken links during peak traffic. Root Cause A schema change rollout triggered the … Read more
Summary A Dubbo-based microservice instance registered with a Nacos discovery server using an unreachable private IP instead of the required public IP. This prevented remote clients (e.g., local development environments) from accessing the service via the test environment’s Nacos registry. Root Cause Dubbo’s default behavior binds to the host machine’s private network interface IP (e.g., … Read more
Summary The issue at hand is a Runtime Error in a Next.js application using next-intl with static export. The error message indicates that a page is missing a required parameter in the generateStaticParams() function, which is necessary when using the “output: export” config. This error is specifically occurring for a single portfolio dynamic route. Root … Read more
Summary A critical production incident occurred where the astrology consultation platform generated inaccurate predictions due to misaligned astronomical reference data. This caused unreliable horoscope outputs for end users. Root Cause The core failure stemmed from: Ephemeris data discrepancies: The platform used outdated planetary position tables lacking delta-T corrections for Earth’s rotational variations. Improper coordinate conversions: … Read more
Summary The default behavior of AmCharts 5 is to move the chart when new data is pushed into the series, which can be annoying when viewing historical data. The goal is to disable auto chart move on new data push. Root Cause The root cause of this issue is the default behavior of AmCharts 5, … Read more