What is an immutable object?
Middle
561
PHP
What are magic methods in PHP?
Junior
556
How did the decision come about that PHP does not support multiple inheritance?
Middle+
554
What are the advantages of hash indexes and B-tree indexes?
Middle
551
What are some common encoding methods in development?
Junior
535
What is partitioning in the context of databases?
Middle
522
What is the difference between coupling and cohesion in programming?
Middle
520
What is the difference between the 'adapter' and 'decorator' patterns?
Middle+
496
How to optimize application deployment time in Docker?
Middle+
487
What types of locks exist in SQL?
Middle
486
What is the benefit of using namespaces in PHP?
Junior
483
How does referential integrity work in databases?
Middle
481
How are immutability and purity related?
Middle+
479
What problems can arise when using the JOIN operator in SQL?
Middle
477
What are the disadvantages of asynchronous encryption?
Senior
475
What types of arrays exist in PHP?
Junior
474
What is a composite index?
Middle
471
What is referential integrity?
Middle
469
How to calculate the result of a function if it performs many different actions inside?
Junior
469
What are lambda functions and anonymous functions? Tell about them.
Junior
467