How to load OpenAPI YAML specification from external JAR in Spring Boot 3

Summary To load an OpenAPI YAML specification from an external JAR in Spring Boot 3, you need to configure Springdoc OpenAPI to use the external specification instead of generating it automatically from the code. Key takeaways include understanding how to override the default behavior of Springdoc OpenAPI and correctly referencing the external OpenAPI YAML file. … Read more

Trouble using serial monitor on ESP32-C3

Summary The issue at hand is the inability to use the serial monitor on an ESP32-C3 board, which is a crucial tool for debugging and testing. The serial monitor is not responding or is throwing an error, specifically “E (104) esp_core_dump_flash: Core dump data check failed:”. This problem is significant because it hinders the development … Read more

Mac silicon osx 26.2 Ada link phase of build fails

Summary The link phase of the build process for an Ada program fails on Mac silicon OSX 26.2 when using the Geany IDE, resulting in an error message indicating that the ‘system’ library cannot be found. This issue arises due to incompatibilities between the Ada compiler and the library paths. Root Cause The root cause … Read more

“Unicorn” Mouse Button Failure Across Different Mice Following Water Damage, Only Happens In Online Multiplayer Games

Summary The issue at hand involves erratic mouse behavior in online multiplayer games, specifically with mouse buttons not responding as expected when interacting with online opponents. This problem is reproducible across different mice and connection types (wired, wireless, Bluetooth), but only occurs in online multiplayer 3D applications. The symptoms do not appear in single-player games … Read more

SQL and R programming languages — what is the difference?

Summary The difference between SQL and R programming languages lies in their primary use cases. SQL is mainly used for managing and analyzing relational databases, while R is a programming language for statistical computing and graphics. In the context of healthcare, both languages can be utilized to analyze patient data, track outcomes, and inform decision-making. … Read more

Show IAR DDF registers using VS

Summary The issue at hand is the inability to view DDF registers in the VS Code UI while debugging an ARM R5 using the IAR VS Code extension. The user has configured their settings according to the official documentation but still cannot find the device-specific registers. Root Cause The root cause of this issue is … Read more

Deploying Yocto to an NVMe SSD attached to a Jetson Xavier NX

Summary A deployment attempt using NVIDIA’s l4t_initrd_flash.sh script failed because the Yocto-built kernel image (Image) was not in the expected gzip-compressed format (Image.gz). The engineer manually manipulated artifacts to circumvent the error, but the script improperly handled uncompressed kernels. The core issue stems from mismatched compression expectations in NVIDIA’s tools. Root Cause The l4t_initrd_flash.sh script … Read more

pip install psycopg2 not working with postgresql 16 on debian 12

Summary A pip install psycopg2 command failed during native extension compilation with the error /usr/bin/ld: cannot find实际情况 -lpq, preventing successful installation. This occurred on a Debian 12 system after installing PostgreSQL 16.11, but did not occur with PostgreSQL 16.8 on an identical OS version. Root Cause The PostgreSQL development package (libpq-dev) was missing on the … Read more

Unpredictable Properties – Tricentis Tosca

Summary The goal is to create a reusable Test Step block in Tricentis Tosca to verify the title on different screens, despite the property type varying between TextBox and Container. Additionally, the name attribute is unstable, and other identifiers like Tag, className, and ID are not reliable. Root Cause The root cause of this issue … Read more

Cast Connect on Android TV: Background Activity Launch blocked on Android 14 (API 34) – How to properly start Activity from CastReceiverContext?

Cast Connect on Android TV: Background Activity Launch Blocked on Android 14 – Postmortem Summary Cast Connect initialization failed on Android 14 when launching the main activity from background state. This was caused by enforcement of依赖 Android 14’s BACKGROUND_ACTIVITY_START restrictions blocking foreground permissions during Cast session launches from terminated or backgrounded app states. Resolution requires … Read more