Answer:
List items are usually accessed using the indexing operator.
Explanation:
Depends on the language, and what you mean with extracting? Do you mean accessing or removing?
The only sure way to prevent SQL Injection attacks is input validation and parametrized queries including prepared statements. The application code should never use the input directly. ... Database errors can be used with SQL Injection to gain information about your database.
Answer: Arithmetic operators +, -, *, /, and % perform addition, subtraction, multiplication, division, and modulo operations. ... The concept of logical operators is simple. They allow a program to make a decision based on multiple conditions. Each operand is considered a condition that can be evaluated to a true or false value.
Explanation:
Please provide photos for your question.
Yes you have to do that so people recognize u but not for all social media unless ur talking bout Facebook, Twitter, kik,and I can't think of anything else. At the moment I know lots more just can't think bout it right now