fetchDeferredAppLink returns undefined on iPhone 13 Promax (iOS 18.5) but returns a string value on iPhone 16 (iOS 26)

Summary The issue at hand is that the fetchDeferredAppLink function from the react-native-fbsdk-next library returns undefined on iPhone 13 Pro Max (iOS 18.5) but returns a string value on iPhone 16 (iOS 26). This discrepancy suggests a potential compatibility issue or a problem with the library’s handling of different iOS versions. Root Cause The root … Read more

How to inject a complex YAML config (arrays & nested objects) into a Go application running on Kubernetes (using Helm)?

Summary The problem at hand is injecting a complex YAML configuration with arrays and nested objects into a Go application running on Kubernetes, deployed using Helm. The application uses koanf to load configuration from YAML files and environment variables. The goal is to find a clean and idiomatic Kubernetes solution to inject this configuration without … Read more

Android “Fragment already added” despite smart fragment management

Summary The “Fragment already added” error in Android occurs when a fragment is attempted to be added to the fragment manager when it is already present. This issue can arise due to improper fragment management, particularly when dealing with fragment transactions and state saving. In the provided code, the error is caused by the incorrect … Read more

Flutter pubspec.yaml error: “A dependency may only have one source” while adding packages

Summary The error “A dependency may only have one source” in Flutter projects occurs when there are conflicting sources for a dependency in the pubspec.yaml file. This can happen when adding new packages, such as google_fonts and cupertino_icons, to a project. The error is often caused by incorrect configuration or indentation in the pubspec.yaml file. … Read more

Best practice for User Provisioning between Microservice DB and Keycloak in a DDD/Hexagonal Architecture

Summary The problem at hand involves synchronizing user provisioning between a microservice database and Keycloak in a Domain-Driven Design (DDD) and Hexagonal Architecture setup. The goal is to create a record in the customer-service PostgreSQL database and provision the user in Keycloak upon registration. This article explores the best practices for achieving this synchronization, focusing … Read more

Finding microns per pixel of tissue slide sample for ML

Summary The problem of detecting microns per pixel in tissue slide samples is crucial for training accurate convolutional neural networks (CNNs) for cancer diagnosis. Despite having the same magnification size, different datasets may have varying microns per pixel scales, leading to poor performance when combining models. This article aims to explore the root cause of … Read more