quiz | Ruby Quiz is a fortnightly programming challenge | Compiler library
kandi X-RAY | quiz Summary
kandi X-RAY | quiz Summary
Ruby Quiz is a fortnightly programming challenge for Ruby programmers. A new Ruby Quiz is sent to the Ruby Talk mailing list once every two weeks. Join us. (Secure) Ruby (Crypto) Blockchain Contract Edition. Back to Classic Edition.
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quiz Key Features
quiz Examples and Code Snippets
def run_quiz(population, num_questions, num_countries):
"""Run a quiz about the population of countries"""
num_correct = 0
for q_num in range(num_questions):
print(f"\n\nQuestion {q_num + 1}:")
countries = random.sample(po
def run_quiz():
questions = prepare_questions(
QUESTIONS_PATH, num_questions=NUM_QUESTIONS_PER_QUIZ
)
num_correct = 0
for num, question in enumerate(questions, start=1):
print(f"\nQuestion {num}:")
num_correct
def run_quiz():
questions = prepare_questions(
QUESTIONS, num_questions=NUM_QUESTIONS_PER_QUIZ
)
num_correct = 0
for num, (question, alternatives) in enumerate(questions, start=1):
print(f"\nQuestion {num}:")
Community Discussions
Trending Discussions on quiz
QUESTION
I'm learning Ruby and as part of the practice, I have implemented a simple quiz app. Its pseudocode is like this
...ANSWER
Answered 2022-Jan-29 at 12:12I think that using threads is overhead here
You can use Timeout
As I see you use two arrays for questions and answers, you can zip it with Array#zip
In Ruby we don't like for
loop. We use Array#each
. BTW for
uses each
under the hood
Using global variables in the code can lead to a shot in the foot. Use them only when you are absolutely sure that they are needed
So I would suggest refactoring the code like this:
QUESTION
When starting the function
...ANSWER
Answered 2022-Mar-09 at 17:43This error message...
QUESTION
In my dataframe, I have multiple columns with student grades. I would like to sum the "Quiz" columns (e.g., Quiz1, Quiz2). However, I only want to sum the top 2 values, and ignore the others. I want to create a new column with the total (i.e., the sum of the top 2 values). There is also the issue of having grades that tie for the top 2 grades in a given row. For example, Aaron has a high score of 42, but then there are two scores that tie for the second highest (i.e., 36).
Data
...ANSWER
Answered 2021-Dec-12 at 23:25QUESTION
I am trying to find the correct syntax for sorting an object by id and then finding the highest score for that id array. I have sorted the object so far to this point with conditionals and the sort() method but I want to condense the object to the highest score by lesson_id. What am I missing?
Heres what Im getting at this point so far:
...ANSWER
Answered 2022-Mar-10 at 10:51I would suggest to utilize JS methods for this, it would clean up the code. Also I don't see the point of sorting the array, if you just need the highest value you can use the snippet below. @EDIT I forgot about the grouping per lesson, updated the answer below
QUESTION
ANSWER
Answered 2022-Mar-06 at 02:13Use the :not()
pseudo class to only apply the hover style when the button does not have the disabled
attribute.
QUESTION
I'm writing full stack web application using ReactJS, Laravel and MySQL that allows users to create quizzes.
My database structure: Quizzes table ...ANSWER
Answered 2022-Feb-27 at 21:12The following solution will result in:
- One query to insert the
Quiz
. - One query for each
Question
. - One query per
Question
to insert itsanswers
if it has any.
So a maximun of 1 + (questions_count)*2
queries.
If your answers didn't rely on the question_id
everything could be done in 4 queries
QUESTION
I have this dataframe:
...ANSWER
Answered 2022-Jan-30 at 16:25If you need the answer
column without displaying the entire dataframe you can try
QUESTION
I'm making a Quiz app in react native and I want to shuffle the order of questions each time someone picks the quiz. I was thinking about using shuffle from lodash but I'm not totally sure how to do for nested array.
...ANSWER
Answered 2022-Jan-04 at 09:33Apparently the array to be shuffled is stored in the tasks
property of the response object, so you should shuffle that array and assign it back to that property:
QUESTION
I am working on a Django application. I have 2 models relevant to the question:
...ANSWER
Answered 2021-Dec-09 at 20:49Yes, you can query with:
QUESTION
I came across an interesting quiz question at here:
Write a translation unit containing a class type T, such that
std::is_empty_v
is true, and yetsizeof(T)
is greater than 1.
I'v thought about it for some time, but no solution.
How to make a type T
that std::is_empty_v && sizeof(T) > 1
is true?
ANSWER
Answered 2021-Dec-01 at 14:01std::is_empty
checks if there are no members. You can use alignment to force a size greater than 1:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
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On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.
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