finitenessofinfinity questions

• Why does classifier.predict() method expects the number of features in the test data to be the same as in training data?
• Time complexity when sorting is done before binary searching...please see
• Technial confusion between compilation and interpretation
• How should one proceed to prove (or find) if two regular expressions are same or equivalent?
• Need help understanding this for loop code in C
• Need to make a clickable <div> button

finitenessofinfinity answers