Golang
What is the EXPLAIN operator in SQL and how is it used for query analysis?
What data types can be used as keys?
How much memory do int32 and int64 types occupy?
How can you efficiently remove an element from a slice without preserving the order of elements, while maintaining constant operation complexity?
СБЕР дейвайсыWhy did you decide to move the segmentation logic to a separate microservice?
What are the differences between HTTP and HTTPS?
What is the difference between microservice architecture and monolithic approach?
If an index is created for two columns, will it work if the query contains only one of these columns?
What should be done if zero is received from an int channel?
What are the differences between quickly declaring a variable and declaring it with the var keyword?
How to create custom methods for a package in Go?
What is the name of the garbage collection mechanism in Go?
What is the key difference between slices and arrays in Go?
What is the size of a slice in bytes?
What does the asterisk (*) mean for a receiver in Go?
What is WaitGroup used for in Go?
What is TLS?
What is the role of the Outbox component in the system architecture and why is it used?
How does the Map data type work in Go?
When and why might data denormalization be needed?