Split kotlin function for immediate and suspend parts

## Summary A Kotlin suspend function mixing foreground and background work caused unexpected blocking behavior when called. The function contained an immediate task (set `a=2`) and a delayed background task (set `a=3`). When called synchronously (`bar()`’s `foo()` call), it blocked until **both tasks completed**, preventing immediate access to intermediate results (`a=2`). ## Root Cause – … Read more

snakemake : RuntimeError: can’t start new thread

Summary The Snakemake workflow encounters a RuntimeError when attempting to start a new thread, causing the workflow to crash. This issue arises when running the workflow on a large number of studies, but not when running on a few studies. Root Cause The root cause of this issue is likely due to the exhaustion of … Read more

Queries & Connections Side Window not opening with VBA

Summary The Queries and Connections side window in Excel is not opening with VBA as expected. The issue started a couple of months ago, and the VBA code Application.CommandBars(“Queries and Connections”).Visible = True is not producing the desired result. The window appears to be open in the background, but it is not visible, and attempting … Read more

PowerShell script not running on startup

Summary Production incident involving a PowerShell script designed to send reboot alerts failing to execute during Windows startup. Despite successful manual execution, automated startup methods (Task Scheduler, .bat files, startup folder) didn’t trigger the script, causing delayed incident notifications. Root Cause Two primary technical failures: Contextual permission mismatch: Task Scheduler executed the script under SYSTEM … Read more

How do I pass a function with variable as an argument

Summary The problem lies in passing a variable as an argument to a comparison function used in the std::sort algorithm. The goal is to dynamically choose the sorting criteria based on the value of a selector variable. The current implementation of the comparison function, compare_func, takes three arguments (two demo_struct objects and an int selector), … Read more

How do I open a 32-bit DLL containing SDK files using 64-bit Go?

32-Bit DLL Compatibility Failure in 64-Bit Go Service Summary A critical service liturgy was halted during deployment due to recursive failures when attempting to load a legacy 32-bit C SDK DLL from a 64-bit Go application. The fundamental incompatibility between the process architectures caused immediate runtime crashes. Root Cause Binary architecture mismatch: 64-bit processes cannot … Read more

Authentication middleware vs explicit headers in analyzer-generated controllers – best practice?

Summary An API leveraging auto-generated controllers implemented session management incorrectly, causing inconsistent authentication handling due to fragmented responsibilities. Two competing architectures were debated: middleware-based centralization versus explicit header processing per controller. Without clear ownership, both approaches introduced coupling trade-offs that compromised documentation and traceability. Root Cause Conflicting design strategies created ambiguity: Middleware centralized session logic … Read more

Best installer strategy for Spring Boot app + Keycloak + MySQL + MongoDB on Windows?

Summary The goal is to create a seamless installation experience for a complex backend stack consisting of Spring Boot, Keycloak, MySQL, and MongoDB on Windows. The installer must be designed to coexist with existing Java installations, detect and reuse existing database instances if possible, and configure services for non-technical users with minimal steps. Root Cause … Read more

A unkonw conhost.exe task always go to 25%CPU

Summary The issue at hand is a persistent conhost.exe process that consumes approximately 25% of CPU resources, even when VSCode is not actively running. This process is linked to the VSCode installation directory, as revealed by ProcExp. Root Cause The root cause of this issue can be attributed to several factors, including: Incomplete termination of … Read more