Country Codes is one of the five questions in the HackerRank SQL (Basic) certification test. The join is simple. Most people who fail it get the string joining wrong, because MySQL handles it ...

This is one of the questions in the HackerRank SQL (Intermediate) certification test. It was one of the two I got when I took the test in June 2022. The query below is tested on MySQL 8.0 and 5.7.

Gemma models represent a significant advancement in natural language processing, offering the AI community lightweight, state-of-the-art models for a variety of text-to-text applications. If you’re ...

This is the shortest question in the Python (Basic) pool. It checks one thing: do you know how to write a function that takes any number of arguments. You write a function called avg. HackerRank reads ...

A multiset is a set that can hold the same value more than once. This question checks two dunder methods, __contains__ and __len__, and whether you handle duplicates and missing values correctly.

A string question with two small steps. Most people who fail it do one of the steps on the wrong thing: they reverse the letters instead of the words. You get a sentence made of words separated by ...

Student Analysis is one of the five questions in the HackerRank SQL (Basic) certification test. It is the easiest of the five if you read the condition carefully. A school wants a list of weak ...

This question comes up a lot in the HackerRank SQL (Intermediate) test. I got it in my own attempt in June 2022. It is mostly a joins question: five tables, one SUM, and an ordering rule with two ...

In recent developments, Google made headlines with its decision to pause the image generation feature of Gemini AI, its cutting-edge… ...

AzharK has grown to become a trusted source in tech content, boasting a dedicated readership that values our authentic and high-quality contributions. By collaborating with us for sponsored content, ...

This question tests one dunder method, __str__. The logic is trivial. What fails people is a single wrong character in the output sentence.

One of the easier questions in the pool. If you know sets and string iteration, it takes five minutes. The marks are lost on output order and on small typos. The input string contains only lowercase ...