Job offers
Companies
Tests
Blog
I'm an employer
Sign up
Log in
Group 2@2x
Created with Sketch.
Home
>
IT Tests
>
Clément Devos
Clément Devos
Contribution
531
Contributions
62731
Contributions played
Tests
2
Tests completed
0
Questions completed
Achievements
+2
Tests
Contributions
Achievements
Submit a new question
or
see all questions
Easy
9
Medium
10
Hard
16
Expert
5
Technology
Profession
Sort by
Newest
Most popular
Last review
Filter by
Published
26
Not published
14
To review
0
Published
To review
Newest
Filters
Easy
9
Medium
10
Hard
16
Expert
5
Technology
Profession
Sort by
Newest
Most popular
Last review
Filter by
Published
26
Not published
14
To review
0
Cancel
26 questions
1
2
Medium
11 votes
4537 runs
0 comment
Write a React component as a function
Web developer
react
functions
state
at Jan 4, 2022
Easy
9 votes
3338 runs
1 comment
Call a function on the first render of a React component
Web developer
react
hooks
at Jan 4, 2022
Easy
6 votes
2131 runs
0 comment
How to optimize a React component to improve its performance?
Web developer
react
performance
at Jan 4, 2022
Medium
5 votes
3448 runs
2 comments
Fix the useMemo hook in this React component.
Web developer
react
hooks
at Feb 6, 2024
Easy
4 votes
4540 runs
1 comment
Save the state used to display the selected page in a React component.
Web developer
state
react
at Nov 7, 2023
Easy
4 votes
3274 runs
1 comment
Use useCallback to optimize rendering in React
Web developer
react
usecallback
at Mar 15, 2024
Easy
3 votes
3308 runs
1 comment
Find the issue with this React code:
Web developer
react
useCallback
at Jan 4, 2022
Easy
1 vote
1301 runs
0 comment
Save the state used to display the selected page in a React component.
Web developer
state
react
at Feb 3, 2022
Hard
4 votes
1287 runs
0 comment
Optimize a React component by implementing shouldComponentUpdate
Web developer
react
array
shouldComponentUpdate
at Feb 3, 2022
Easy
1 vote
531 runs
1 comment
Write a SQL query to get the total amount of orders.
Data Scientist
sql
table
at Dec 2, 2021
Hard
0 vote
505 runs
0 comment
SQL query to get the number of orders per customer
Data Scientist
sql
diagram
at Dec 2, 2021
Hard
0 vote
499 runs
1 comment
Write a SQL query to get the total amount of orders for each customer.
Data Scientist
sql
notes
at Dec 2, 2021
Hard
0 vote
497 runs
0 comment
Write a SQL query to get the number of rows in the table `users`
Data Scientist
sql
join
at Dec 2, 2021
Hard
2 votes
1291 runs
0 comment
Fix the following React component:
Web developer
react
state
constructor
at Feb 3, 2022
Hard
0 vote
1274 runs
0 comment
What does this React component display?
Web developer
react
state
async
at Feb 3, 2022
Clément Devos
Clément Devos
Clément Devos
Clément Devos
Clément Devos
Clément Devos
Clément Devos
Hard
0 vote
495 runs
0 comment
Create a new table called notes and insert the notes into the table commande
Data Scientist
sql
database
at Dec 2, 2021
Hard
0 vote
493 runs
0 comment
Write a SQL query to get the average of the number of orders per customer.
Data Scientist
sql
error
at Dec 2, 2021
Easy
0 vote
1324 runs
0 comment
Write a React component as a function
Web developer
react
functions
state
at Feb 3, 2022
Hard
0 vote
1277 runs
0 comment
Optimize the display of a React component.
Web developer
react
component
optimization
at Feb 3, 2022
Expert
0 vote
1014 runs
0 comment
What is the name of the collaborative group that decides on the evolutions of JavaScript?
Front-end developer
javascript
standards
at Jan 4, 2022
Clément Devos
Clément Devos
Clément Devos
Clément Devos
Clément Devos
Clément Devos
Clément Devos
Clément Devos
Clément Devos
Clément Devos
Clément Devos
Clément Devos
Clément Devos
