# Given a string s, return the number of unique non-empty substrings of s are present in base. # start from a, we have all substrings with length 1-23 # start from b, we have all substrings with ...

Classifying a variable as a particular type of data is important when considering how to present the data. Data can be presented in a number of ways, which depends on the type of variable and the uses ...

For some people, tracking food and calorie intake can be helpful for promoting weight loss or management. Research shows that people who log calories lose more weight, even if they don’t tracke very ...

MOTD Kickabout's John Farnworth is here with a song about counting. This catchy song and routine will help students to be active while learning to count. KS2 Maths: Mental Addition & Subtraction.