Production Bugs

How does one use GTK Constraints/ConstraintTarget with gtkmm?

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Summary A developer attempted to apply a Gtk::Constraint to limit a Gtk::Label‘s width relative to a Gtk::Scale within a Gtk::Grid. The confusion arose from Gtk::Constraint::create requiring Glib::RefPtr<Gtk::ConstraintTarget> objects, while standard widgets like Gtk::Label and Gtk::Scale are direct inheritors of Glib::Object. The core issue was a misunderstanding of how Glib::Object relates to Gtk::ConstraintTarget in the gtkmm4 … Read more

Flutter – path_provider_foundation.modulemap not found

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Summary A developer encountered a blocking build failure in a Flutter iOS project after updating Xcode to version 26.0.1. The build logs reported fatal errors regarding missing module map files for path_provider_foundation. Standard remediation steps, such as cleaning the project, reinstalling CocoaPods, and deleting derived data, failed to resolve the issue. The root cause was … Read more

CSS subgrid items not flush with parent grid items

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Summary In a production photo gallery, we implemented a CSS Grid with a 4-column template to display portfolio thumbnails. Some entries required grouping multiple images semantically. To achieve this, we applied CSS subgrid to the parent containers, intending for the child images to participate in the parent’s horizontal track layout. The issue was a layout … Read more

How to implement Asp.Net Core style attribute based routing in Asp.Net Mvc?

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Summary The implementation of Asp.Net Core style attribute-based routing in Asp.Net Mvc is a complex task that requires careful consideration of various factors, including route templates, controller actions, and area names. The provided code demonstrates a custom implementation using TokenizedDirectRouteProvider and RouteCollectionExtensions. However, there are potential issues that can arise from this implementation, such as … Read more

Add nullability check for out variable that isn’t properly annotated

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Summary Key takeaway: The core problem is a mismatch between runtime semantics and compile-time nullability flow analysis. A “Try” pattern method that sets an out parameter to null on failure fails to provide the compiler with the necessary annotations (like NotNullWhen(false)) to understand that the success path guarantees a non-null value. This results in defensive … Read more

What is the meaning of “Error [ERR_REQUIRE_ESM]: require() of ES Module […] not supported.”?

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Summary A developer encounters Error [ERR_REQUIRE_ESM] when attempting to import the google-spreadsheet package using require() in a Node.js environment. This error occurs because the google-spreadsheet library is published as an ES Module (ESM) (using import syntax), while the project is running in CommonJS mode (using require syntax). Node.js does not allow mixing these two module … Read more

Unity package damaged Mac

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Summary The reported issue is a false positive “package is damaged” error on macOS when downloading Unity Hub or Unity Editor installers. This is not actual corruption; it is a macOS security quarantine flag applied to unsigned or notarized software downloaded from the web. This flag triggers Gatekeeper and Finder checks that report the file … Read more

How would I preform a selective deep copy in Java?

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Summary Performing a selective deep copy in Java can be challenging, especially when dealing with classes from external libraries that cannot be modified directly. The goal is to copy specific fields from one class to another without copying all fields. This can be achieved using reflection or other libraries that provide deep copying functionality with … Read more