Convert date in Excel 12-Oct-1968

Summary Issue: Excel date conversion from “12-Oct-1968” to “12/10/1968” failed using standard methods. Impact: Inability to calculate age or expiry dates due to incorrect date format. Resolution: Use a combination of VBA or Excel functions to parse and convert the date string. Root Cause Incorrect Format Recognition: Excel does not natively recognize “dd-MMM-yyyy” as a … Read more

This expression is not callable. Type ‘SaveOptions’ has no call signatures. in pre(“save”) hook. TypeScript with Monogoose

Summary A TypeScript + Mongoose project failed during a pre(“save”) hook with the error “This expression is not callable. Type ‘SaveOptions’ has no call signatures.” This postmortem explains why the error occurs, why it’s common in real systems, and how senior engineers resolve it cleanly. Root Cause The root cause was incorrect TypeScript inference of … Read more

Angular TypeScript Element implicitly has an ‘any’ type because expression of type ‘1’ can’t be used to index

Summary The error “Element implicitly has an ‘any’ type” occurs when attempting to access this.results[1] in an Angular TypeScript component. The root cause is incorrect type handling and misunderstanding of the API response structure, leading to type mismatches and runtime errors. Root Cause Type Mismatch: this.results is a WritableSignal<DataLayer | undefined>, but accessing this.results[1] assumes … Read more

QSIG – Blender – SHP – GLB

Summary Issue: Exporting Roads and Buildings layers from QGIS to Blender via SHP files results in incomplete or empty .glb files. Layers Affected: Roads: Visible in Blender but exports as an empty .glb. Buildings: Only a fraction of buildings import into Blender. Boundary Layer: Imports and exports correctly. Root Cause Roads: Missing geometry data or … Read more

In Spring Boot 4.0.2 SAML properties cannot be read from the YAML file

Summary In Spring Boot 4.0.2, SAML properties from application.yml are not being read, causing relyingPartyRegistrationRepository to be null and breaking SAML authentication. This issue does not occur in Spring Boot 3.5.9. The root cause lies in a breaking change in property binding behavior introduced in Spring Boot 4.0.2. Root Cause The issue stems from a … Read more

Missing symbol auto import functionality in Jupyter Notebook

Summary The issue of missing symbol auto-import functionality in Jupyter Notebook can be frustrating for developers, especially when compared to the convenience offered by Integrated Development Environments (IDEs) like PyCharm and DataSpell. Auto-import suggestions and symbol resolution are key features that enhance productivity. This article explores the root cause, real-world impact, and solutions to this … Read more

Why don’t default parameter values work with an overloaded generator?

Summary The issue at hand is related to TypeScript’s function overloading and default parameter values in the context of a generator function. The problem arises when trying to use a default value for the third parameter of an overloaded generator function, which is expected to be an abort function. Despite the code running correctly, TypeScript’s … Read more

Where can I find a community that will be like the old stack overflow with showcases and so on?

Summary The question revolves around finding a community similar to the old Stack Overflow, where developers can share projects, showcase code snippets, and receive deep, thoughtful feedback. The goal is to discover a platform that fosters a hands-on, detail-oriented atmosphere, allowing for in-depth discussions on work in progress, optimizations, and clever solutions. Root Cause The … Read more

Using .NET 8 as base image from Docker has many 0 length system files

Summary The issue at hand involves using .NET 8 as a base image in a Dockerfile for building a C++ application. Upon attempting to build, an error occurs due to zero-length system files in the /usr/share/dotnet/shared/Microsoft.NETCore.App/8.0.23 directory. This problem persists even with a minimal Dockerfile and sufficient disk space, suggesting a potential issue with the … Read more