What is a 'bug' in programming?
AnswerAn error in the code
A bug is a mistake that makes a program behave incorrectly.
Coding · Facts & stats
Code facts & stats
7 fact-checked facts about coding, programming languages and computer science basics, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Which symbol starts a single-line comment in Python?
Answer#
Python treats everything after # on a line as a comment.
Going deeper
Who wrote what is considered the first published algorithm for a machine, for the Analytical Engine?
AnswerAda Lovelace
Lovelace's 1843 notes included an algorithm for Babbage's Analytical Engine.
Which programming language was created by Guido van Rossum?
AnswerPython
Van Rossum released Python in 1991.
What is Git mainly used for?
AnswerVersion control
Git tracks changes to files and lets teams manage code history.
Expert level
What is the time complexity of binary search on a sorted list?
AnswerO(log n)
Binary search halves the search space at each step.
Which business-oriented language was heavily influenced by Grace Hopper's FLOW-MATIC?
AnswerCOBOL
FLOW-MATIC's English-like syntax shaped COBOL, designed in 1959.
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