Python

Could you explain what a logging component in a system is?

How can you access the model manager in Django?

What is the difference between a dictionary and an array in Python?

Junior

Баланс-Платформа

What third-party libraries do you use to improve performance in Django projects?

What data structures can be used instead of a regular dictionary?.

What are the difficulties in assessing the time efficiency of sorting algorithms in Python?

Junior — Middle

Рунити

Repeating elements (Find Duplicates) Condition: Given a slice of strings. Return a slice of strings that appear more than once in the original slice. The order of elements in the result should be in the order of their first appearance in the original slice. Input data: []string — slice of strings Output data: []string — strings that appear more than once, in the order of first appearance Constraints: - 0 <= len(input) <= 10^4 - Each string consists of Latin letters, length 1..50 Example: Input: ["a", "bb", "bb", "aa", "a", "a"] Output: ["a", "bb"] def find_duplicates(items): # TODO: write solution here return []

Middle

Касперский

What is the difference between using the -m option when installing packages via pip and regular installation without it?

What is binary search?

What main difficulties can arise when creating a product from scratch?

What component of the command structure have you worked with in your previous job?

Junior — Middle

Sarex.io

What is the main purpose of using the Decorator pattern and what are its advantages?

How was the large Kafka event log cleared: was a retention policy set?

When can a situation occur where the complexity of a dictionary operation is worse than O(1) due to storage features in memory?

What reasons make the use of the Math.random function undesirable in development?

Junior — Middle

Jetlend

Is object-oriented programming paradigm mandatory when using Python?

How to reverse a list [1,2,3] to [3,2,1]? What is the difference between reverse() and slicing?

What is the difference between filtering data with HAVING and WHERE operators in SQL?

How does Alan Kay's concept of object-oriented programming differ from its implementation in Java?

How do NumPy and Pandas work with GIL?