What is the difference between add_action and add_filter in WordPress?

Summary The primary difference between add_action and add_filter in WordPress lies in their purpose and functionality. add_action is used to execute a function at a specific point in WordPress, allowing developers to perform actions or inject custom code. On the other hand, add_filter is utilized to modify or filter data, enabling developers to alter the … Read more

How to create Photoshop layer masks from arbitrary pixel data in UXP plugin?

Summary We encountered a challenge in a Photoshop UXP plugin where Lab Fill Layers couldn’t receive pixel-based masks despite successful geometric selections. The core issue arises from Lab color mode constraints and UXP API limitations, preventing direct pixel data injection into masks via conventional imaging methods. Root Cause Key factors causing the failure: Fill Layers … Read more

In Vespa, how to implement field-specific Lucene analyzer chains for fields in the same language?

Summary This postmortem analyzes the architectural challenge of implementing field-specific Lucene analyzer chains for fields sharing the same language in Vespa, based on a user migration scenario from Solr. The core issue is that Vespa’s LuceneLinguistics component configures analysis at the language level rather than the field level, creating a gap for users replicating complex … Read more

Delphi Indy UDP broadcast failing

Summary The issue at hand is that a Delphi 12.3 application using Indy for UDP communication is experiencing difficulties with broadcasting on multiple network adapters. Despite looping through all available IP addresses and attempting to broadcast to each subnet, only devices connected to one adapter respond. This behavior persists across different machines and environments. Root … Read more

Trouble with Kubernetes node port

Summary The issue at hand is related to accessing a front-end application deployed on a Kubernetes pod using Minikube. The application is not accessible on the expected NodePort, which is 30100. The setup involves a React app, a Dockerfile for building and running the app, and Kubernetes configurations for deploying the application. Root Cause The … Read more