Vincent Cotro contributions

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Vincent Cotro

Contribution

1934Contributions

110330Contributions played

Tests

44Tests completed

525Questions completed

Moderation

145Questions

47Ratings

Achievements

144 questions

Medium

59 votes2675 runs4 comments

Understanding the differences between `map()` and `forEach()` methods in JavaScript

Web developer

at Jan 18, 2024

Medium

28 votes2461 runs3 comments

Write a JavaScript function that fetches data from an API and logs it to the console.

Web developer

promises

async

at Mar 28, 2023

Easy

27 votes1217 runs1 comment

Write a Python function that returns the factorial of a number.

Back-end developer

recursion

at Mar 28, 2023

Easy

21 votes1364 runs1 comment

Explain the difference between the `include` and `require` functions in PHP.

Back-end developer

functions

errors

at Mar 24, 2023

Easy

14 votes2036 runs1 comment

Update a column in an SQL table

Back-end developer

sql

update

at Nov 7, 2023

Easy

13 votes2088 runs0 comment

Select only distinct values in a column using SQL

Back-end developer

sql

distinct

at Mar 27, 2023

Easy

11 votes2097 runs0 comment

Write a SQL query to insert data into a table

Back-end developer

sql

insert

at Mar 27, 2023

Easy

11 votes2078 runs0 comment

Which SQL keyword is used to sort the result of a SELECT statement?

Back-end developer

sql

order by

at Mar 27, 2023

Medium

10 votes2038 runs4 comments

Write the SQL query to delete a column from a table

Back-end developer

sql

table

column

at Mar 27, 2023

Easy

9 votes858 runs1 comment

Write a SQL query to retrieve the titles of books written by 'John Smith'.

Back-end developer

join

inner join

sql

at Sep 6, 2023

Easy

7 votes2069 runs0 comment

How to delete an SQL table?

Back-end developer

sql

tables

at Mar 27, 2023

Easy

7 votes876 runs0 comment

Which of the following utility types makes all properties of a given type optional?

Web developer

typescript

types

at Mar 29, 2023

Easy

6 votes1936 runs0 comment

Write a SQL query to get the total order amount for each customer.

Back-end developer

sql

sum

group by

at Mar 28, 2023

Medium

6 votes1115 runs2 comments

Use the `useContext` hook to render a button with a dark theme.

Web developer

react

context

hooks

at Nov 7, 2023

Easy

6 votes754 runs2 comments

What is the size of a long long in C++?

IT Architect

c++

memory

at Nov 3, 2023

Medium

5 votes2948 runs2 comments

Print the number of countries in the array travel.

Web developer

array

for loop

at Sep 5, 2022

Understanding the differences between `map()` and `forEach()` methods in JavaScript

Understanding the differences between `map()` and `forEach()` methods in JavaScript

Write a JavaScript function that fetches data from an API and logs it to the console.

Write a SQL query to retrieve the list of employees with a salary greater than 5100.

Write a Python function that returns the factorial of a number.

Explain the difference between the `include` and `require` functions in PHP.

Update a column in an SQL table

Select only distinct values in a column using SQL

Write a SQL query to insert data into a table

Which SQL keyword is used to sort the result of a SELECT statement?

Write the SQL query to delete a column from a table

Write a SQL query to retrieve the products with a price less than 1000 and sort the results in descending order of price.

Write a SQL query to retrieve the titles of books written by 'John Smith'.

How to delete an SQL table?

Which of the following utility types makes all properties of a given type optional?

What is the best practice to apply in your code to improve the performance of your application?

Write a SQL query to get the total order amount for each customer.

Write a React component that updates the document title with each click and resets to 'React App' when the component unmounts.

Use the `useContext` hook to render a button with a dark theme.

What is the size of a long long in C++?

Print the number of countries in the array travel.