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

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

Pass a logger to boost::json::tag_invoke

Summary A developer faced a limitation when serializing/deserializing a custom type with boost::json::tag_invoke. Specifically, they needed to pass a logger instance into the tag_invoke function to log warnings about missing JSON fields during permissive deserialization. The issue stems from strict function signature matching required by ADL (Argument Dependent Lookup) in the boost::json namespace. You cannot … Read more

Yup schema validation of elements in array

Summary The problem revolves around validating arrays with varying validation rules for each element using Yup in a React project with React Final Form and Final Form Arrays. The challenge is to make some elements in the array required while keeping others optional, which seems impossible with Yup’s built-in array validation. Root Cause The root … Read more

What standards are followed for architectural design review in Sharjah, UAE?

Summary The architectural design review process in Sharjah, UAE involves several key standards and regulations to ensure compliance, safety, and coordination between different design aspects. These standards are crucial for a successful project outcome. Root Cause The root cause of a successful design review lies in understanding and adhering to the required local and international … Read more

Can I use StreamingResponseBody with a generic ResponseEntity

Summary The issue arises when attempting to use generic ResponseEntity<?> with StreamingResponseBody in a Spring MVC application. The goal is to return either a stream or a synchronous value, but using ResponseEntity<?> with StreamingResponseBody results in an HttpMessageNotWritableException. Root Cause The root cause of the issue is that ResponseEntity<?> does not know how to handle … Read more