Improving code coverage involves writing comprehensive test cases that cover various scenarios and edge cases. Refactoring code to make it more testable can also contribute to better coverage. Increasing the diversity of input data used in testing can uncover corner cases. Prioritizing critical areas for testing ensures that important functionalities are thoroughly tested.

The append() function in Go is used to append elements to a slice. It takes a slice and one or more elements as arguments and returns a new slice with the appended elements. This function is essential for dynamically growing slices.

The correct option is 200. HTTP status code 200 indicates that the request was successful. It is commonly used for successful GET requests.

By default, the HTTP server in Go listens on port 8080. This is the default port for HTTP servers in Go, unless explicitly specified to listen on a different port.

Gorilla Mux handles route conflicts by allowing the use of HandleFunc and PathPrefix methods, which enables the routing of requests to different handlers based on specified patterns.

The reflect package in Go provides support for reflection. It exposes types and functions that allow developers to inspect the structure of objects, manipulate their values, and perform type conversions at runtime.

The correct operator to check if a value is less than or equal to another value in Go is the less than or equal to ('<=') operator. This operator evaluates to true if the left operand is less than or equal to the right operand; otherwise, it returns false.

In a distributed e-commerce platform, ensuring data integrity across services is vital. Implementing a message queue system facilitates asynchronous communication between services, ensuring that orders, payments, and inventory updates are processed reliably and in the correct order. This design reduces coupling between services and provides fault tolerance, ensuring data integrity even in the event of service failures.

Go implements struct inheritance through embedding. By embedding one struct into another, the fields and methods of the embedded struct become part of the embedding struct, effectively achieving inheritance-like behavior.

Anonymous structs in Go serve the purpose of embedding other types anonymously within a struct. This allows for the reuse of fields and methods without explicitly declaring a named type.

The correct option is length. The length of a slice in Go represents the number of elements it currently holds. It's a dynamic property that changes as elements are added or removed from the slice.

In Go, you can declare a slice using the shorthand syntax s := []int{}. This creates an empty slice of integers. Alternatively, you can use the make() function to create a slice with a specified length and capacity. For example, s := make([]int, 0, 5) creates a slice with a length of 0 and a capacity of 5.