FAQ


Topic Replies Activity
Why does the content of a web page need to be described with tags? 4 January 17, 2019
Why is it not accepting my code? 1 March 8, 2018
When using GROUP BY, do we always have to group by a selected column? 2 July 1, 2019
Setting a border for one or two sides of the element 1 September 28, 2018
Why do we need parentheses around multi-line JSX expressions? 3 October 15, 2019
How would you know when to use factory functions? 5 August 4, 2019
Is the `AND` used in `BETWEEN` the same as the `AND` operator between conditions? 1 August 4, 2018
Can we apply ORDER BY with multiple columns? 8 October 3, 2019
Why are some tags self-closing but others are not? 17 October 19, 2019
Does the order of tables in a JOIN matter? 3 September 1, 2019
FAQ: Why Data Science? - Exploring Data with SQL 10 September 18, 2019
Is there a way to increase the space between the number and the text of each <li>? 3 October 25, 2019
What type of content might an HTML element contain? 8 September 13, 2018
How do we know which heading element to pick? 14 December 28, 2019
What other string methods are there? 1 October 30, 2018
What are some common uses for multi-line comments? 2 March 24, 2018
What are falsy values in JS? What are truthy values in JS? 1 September 30, 2018
FAQ - Free resources to train your programming skills

Practice makes perfect - following this age-old saying is very important for a programmer. The more problems we practice solving in a language, the more perfect our skills in that language become.

6 February 4, 2019
What happens if we put raw text directly in the <ul> element? 2 October 26, 2018
Does the <li> tag always have to be nested within the <ul> tag? 8 September 6, 2018
Do I have to use valid HTML tags when creating JSX elements? 1 January 18, 2019
What if we only want to delete a specific number of rows? 18 January 17, 2020
When applying the BETWEEN operator on TEXT values, how are values compared? 3 January 23, 2020
What are some ways that SQL is used in data science? 2 January 9, 2020
Can you CROSS JOIN on more than two tables? 3 December 31, 2019
How is ALTER different from UPDATE? 2 January 5, 2020
When do we use COUNT() or SUM()? 7 January 6, 2020
Can we alias multiple columns in a single query? 2 December 19, 2019
Why do we need to use 2-space indentations? 2 October 26, 2018
How does the browser know what language other documents are written in? For example, why doesn’t css need a doctype? 10 September 15, 2019